/* ══════════════════════════════════════════════
   SYNONANCE · style.css
   Terminal core + modern glass overlay
   ══════════════════════════════════════════════ */

:root {
  --bg:           #07070f;
  --surface:      rgba(13, 13, 22, 0.80);
  --surface2:     rgba(20, 20, 36, 0.90);
  --glass:        rgba(255,255,255,0.035);
  --text:         #ddd8c0;
  --dim:          #5a5468;
  --dim2:         #3d3a48;
  --accent:       #c8a058;
  --accent-lo:    rgba(200,160,88,0.10);
  --accent-mid:   rgba(200,160,88,0.22);
  --purple:       #8b6cc4;
  --purple-lo:    rgba(139,108,196,0.10);
  --pink:         #ff9dac;
  --pink-lo:      rgba(255,157,172,0.12);
  --teal:         #3eb8c8;
  --teal-lo:      rgba(62,184,200,0.10);
  --green:        #4caf82;
  --green-lo:     rgba(76,175,130,0.12);
  --red:          #cf6679;
  --border:       rgba(200,160,88,0.15);
  --border-hi:    rgba(200,160,88,0.28);
  --border-dim:   rgba(255,255,255,0.06);
  --settings-overlay-bg: rgba(5, 6, 10, 0.84);
  --settings-card-bg: rgba(10, 12, 18, 0.97);
  --settings-card-border: rgba(255,255,255,0.08);
  --settings-panel-bg: rgba(16, 18, 24, 0.96);
  --settings-panel-bg-strong: rgba(22, 26, 34, 0.96);
  --settings-field-bg: rgba(8, 10, 14, 0.96);
  --settings-field-border: rgba(255,255,255,0.10);
  --settings-field-focus: rgba(200,160,88,0.12);
  --settings-pill-bg: rgba(8, 10, 14, 0.92);
  --settings-active-bg: rgba(200,160,88,0.14);
  --settings-active-bg-hover: rgba(200,160,88,0.22);
  --settings-active-border: rgba(200,160,88,0.34);
  --settings-danger-bg: rgba(207,102,121,0.12);
  --settings-danger-bg-hover: rgba(207,102,121,0.18);
  --settings-danger-border: rgba(207,102,121,0.28);
  --settings-danger-strong: #8c2430;
  --settings-danger-strong-hover: #a22a38;
  --flow-shell-width: 720px;
  --flow-shell-min-height: 660px;
  --flow-shell-pad-y: 40px;
  --flow-shell-pad-x: 48px;
}

/* ══════════════════════════════════════════════
   LIGHT THEME  (follows system prefers-color-scheme)
   ══════════════════════════════════════════════ */
@media (prefers-color-scheme: light) {
  :root {
    --bg:           #f5f0e6;
    --surface:      rgba(255, 252, 244, 0.88);
    --surface2:     rgba(248, 244, 235, 0.94);
    --glass:        rgba(0,0,0,0.028);
    --text:         #1c1810;
    --dim:          #8a7e6a;
    --dim2:         #b8aa94;
    --accent:       #9a6c28;
    --accent-lo:    rgba(154,108,40,0.10);
    --accent-mid:   rgba(154,108,40,0.20);
    --purple:       #6040a8;
    --purple-lo:    rgba(96,64,168,0.09);
    --pink:         #c84d78;
    --pink-lo:      rgba(200,77,120,0.10);
    --teal:         #1e7a8c;
    --teal-lo:      rgba(30,122,140,0.10);
    --green:        #286e4a;
    --green-lo:     rgba(40,110,74,0.10);
    --red:          #b03448;
    --border:       rgba(154,108,40,0.20);
    --border-hi:    rgba(154,108,40,0.36);
    --border-dim:   rgba(0,0,0,0.08);
    --settings-overlay-bg: rgba(232, 227, 218, 0.78);
    --settings-card-bg: rgba(252, 250, 245, 0.98);
    --settings-card-border: rgba(0,0,0,0.10);
    --settings-panel-bg: rgba(245, 240, 232, 0.96);
    --settings-panel-bg-strong: rgba(238, 231, 220, 0.98);
    --settings-field-bg: rgba(255, 253, 248, 0.98);
    --settings-field-border: rgba(0,0,0,0.10);
    --settings-field-focus: rgba(154,108,40,0.12);
    --settings-pill-bg: rgba(255, 253, 248, 0.98);
    --settings-active-bg: rgba(154,108,40,0.12);
    --settings-active-bg-hover: rgba(154,108,40,0.18);
    --settings-active-border: rgba(154,108,40,0.32);
    --settings-danger-bg: rgba(176,52,72,0.10);
    --settings-danger-bg-hover: rgba(176,52,72,0.16);
    --settings-danger-border: rgba(176,52,72,0.24);
    --settings-danger-strong: #b03448;
    --settings-danger-strong-hover: #c33b52;
  }

  /* Background gradient — warm light tones */
  #bg-gradient {
    background:
      radial-gradient(ellipse 55% 45% at 15% 25%,  rgba(96,64,168,0.07)  0%, transparent 70%),
      radial-gradient(ellipse 50% 40% at 85% 75%,  rgba(154,108,40,0.07) 0%, transparent 70%),
      radial-gradient(ellipse 40% 55% at 75% 15%,  rgba(30,122,140,0.06) 0%, transparent 70%),
      radial-gradient(ellipse 60% 60% at 50% 110%, rgba(96,64,168,0.05)  0%, transparent 60%);
  }

  /* Noise canvas: much more subtle on light */
  #bg-noise { opacity: 0.018; }

  /* Scanlines: barely visible on light bg */
  #scanlines {
    background: repeating-linear-gradient(
      to bottom,
      transparent 0px, transparent 3px,
      rgba(0,0,0,0.03) 3px, rgba(0,0,0,0.03) 4px
    );
    opacity: 0.6;
  }

  /* Vignette: much lighter */
  #vignette { opacity: 0.25; }

  /* Glass cards: light surface */
  .glass-card {
    box-shadow:
      0 0 0 1px rgba(0,0,0,0.06) inset,
      0 16px 48px rgba(0,0,0,0.10),
      0 0 24px rgba(154,108,40,0.04);
  }

  /* Logo glow: warm sepia instead of amber phosphor */
  .logo-text {
    text-shadow: 0 0 10px rgba(154,108,40,0.30), 0 0 24px rgba(154,108,40,0.12);
    color: var(--accent);
  }
  .logo-text-project {
    color: #4a5568;
    text-shadow:
      0 0 8px  rgba(74,85,104,0.25),
      0 0 28px rgba(74,85,104,0.10);
  }
  .intro-logo-line {
    text-shadow: 0 0 10px rgba(154,108,40,0.28), 0 0 22px rgba(154,108,40,0.10);
  }

  /* Flip cells: light bg */
  .flap-cell { background: #e8e2d4; border-color: rgba(0,0,0,0.10); }
  .flap-top, .flap-bottom { background: #e0d9c8; color: #5a4e38; }

  /* Chat bubbles: subtle light border */
  .msg-bubble { border-left-color: rgba(154,108,40,0.30); }
  .msg-bubble.msg-user { border-left-color: rgba(96,64,168,0.30); }
  .msg-bubble.msg-err  { border-left-color: rgba(176,52,72,0.30); }

  /* Sidebar */
  #sidebar {
    background: rgba(248, 244, 234, 0.94);
    border-right-color: rgba(0,0,0,0.09);
  }

  /* VM overlay — surface + agent tokens (base tokens handled by VM shell block further below) */
  #vm-overlay {
    background: #ede8dc;
    --vm-app:      rgba(252,248,240,0.98);
    --vm-toolbar:  rgba(0,0,0,0.025);
    --vm-sep:      rgba(0,0,0,0.07);
    --vm-hover:    rgba(0,0,0,0.05);
    --vm-hover2:   rgba(0,0,0,0.08);
    --vm-input:    rgba(0,0,0,0.04);
    --vm-input-br: rgba(0,0,0,0.10);
    --vm-card:     rgba(255,255,255,0.72);
    --vm-card-br:  rgba(0,0,0,0.09);
    --ac-bg:       rgba(248,244,234,0.99);
    --ac-composer: rgba(244,240,228,0.98);
    --ac-status:   rgba(0,0,0,0.03);
    --ac-text:     #1c1810;
    --ac-meta:     rgba(0,0,0,0.36);
    --ac-meta-user:#2a7e8c;
    --ac-meta-asst:#8a6020;
    --ac-meta-tool:#3a7a50;
    --ac-caret:    rgba(0,0,0,0.28);
    --ac-tool-name:#3a7a50;
    --ac-tool-args:rgba(0,0,0,0.38);
    --ac-tool-fg:  rgba(0,0,0,0.50);
    --ac-tool-br:  rgba(0,0,0,0.14);
    --ac-tool-bg:  rgba(0,0,0,0.04);
  }
  .vm-topbar {
    background: rgba(240, 235, 222, 0.98);
    border-bottom-color: rgba(0,0,0,0.08);
  }
  .vm-topbar-logo  { color: var(--accent); }
  .vm-topbar-osname { color: var(--text); }
  .vm-menu-item { color: var(--dim); }
  .vm-menu-item:hover { background: rgba(0,0,0,0.05); color: var(--text); }
  .vm-clock, .vm-topbar-user { color: var(--dim); }
  .vm-topbar-user { color: var(--text); }
  .vm-exit-btn {
    color: var(--dim);
    background: rgba(176,52,72,0.07);
    border-color: rgba(176,52,72,0.18);
  }
  .vm-exit-btn:hover { background: rgba(176,52,72,0.14); color: var(--red); }

  .vm-desktop {
    background:
      radial-gradient(ellipse 65% 60% at 22% 75%, rgba(120,80,200,0.22) 0%, transparent 60%),
      radial-gradient(ellipse 50% 50% at 80% 20%, rgba(60,130,220,0.18) 0%, transparent 55%),
      radial-gradient(ellipse 45% 45% at 60% 88%, rgba(180,80,130,0.14) 0%, transparent 48%),
      #ddd8cc;
  }

  .vm-window {
    background: rgba(252, 248, 240, 0.97);
    border-color: rgba(0,0,0,0.10);
    box-shadow: 0 16px 48px rgba(0,0,0,0.18), 0 0 0 1px rgba(0,0,0,0.06) inset;
  }
  .vm-window.focused {
    border-color: rgba(154,108,40,0.25);
    box-shadow: 0 20px 56px rgba(0,0,0,0.22), 0 0 0 1px rgba(154,108,40,0.10) inset;
  }

  .vm-titlebar {
    background: rgba(0,0,0,0.03);
    border-bottom-color: rgba(0,0,0,0.07);
  }
  .vm-win-title { color: var(--dim); }

  .vm-dock {
    background: rgba(232,226,214,0.92);
    border-top-color: rgba(0,0,0,0.07);
  }
  .vm-dock-apps {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-start-btn {
    background: rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.10);
  }
  .vm-start-btn:hover { background: rgba(0,0,0,0.10); }
  .vm-dock-btn:hover { background: rgba(0,0,0,0.05); transform: translateY(-2px); }
  .vm-dock-label { color: rgba(0,0,0,0.4); }
  .vm-dock-user { background: rgba(0,0,0,0.04); color: rgba(0,0,0,0.45); }
  .vm-dock-time { color: rgba(0,0,0,0.7); }
  .vm-dock-date { color: rgba(0,0,0,0.35); }
  .vm-dock-minimized {
    color: var(--dim);
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.09);
  }
  .vm-dock-minimized:hover { background: rgba(0,0,0,0.09); color: var(--text); }

  .vm-terminal { background: #1a1812; }
  .vm-term-output { color: #c8c0a8; }
  .vm-term-line { color: #c8c0a8; }
  .vm-term-line.cmd { color: #6a6058; }
  .vm-term-line.ok  { color: #4a9a6a; }
  .vm-term-line.err { color: #c04858; }
  .vm-term-input-row { border-top-color: rgba(255,255,255,0.06); }
  .vm-term-prompt { color: #c8a058; }
  .vm-term-input  { color: #c8c0a8; }

  .vm-browser { background: rgba(252,248,240,0.98); }
  .vm-browser-bar { background: rgba(0,0,0,0.03); border-bottom-color: rgba(0,0,0,0.07); }
  .vm-browser-nav { color: var(--dim); background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.09); }
  .vm-browser-nav:hover { background: rgba(0,0,0,0.08); color: var(--text); }
  .vm-browser-status { background: rgba(0,0,0,0.04); color: var(--dim2); }
  .vm-url-input { background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.10); color: var(--text); }
  .vm-url-input:focus { border-color: var(--accent); background: rgba(0,0,0,0.06); }
  .vm-blocked { background: rgba(252,248,240,0.98); }
  .vm-blocked-icon { color: var(--dim2); }
  .vm-blocked-msg { color: var(--dim); }

  .vm-files { background: rgba(252,248,240,0.98); }
  .vm-files-nav { border-bottom-color: rgba(0,0,0,0.07); }
  .vm-files-path { color: var(--dim); }
  .vm-files-item:hover {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-files-name { color: var(--text); }
  .vm-files-size { color: var(--dim2); }
  .vm-file-viewer { background: rgba(250,246,238,0.99); }
  .vm-fv-header { border-bottom-color: rgba(0,0,0,0.07); color: var(--dim); }
  .vm-fv-body { color: var(--text); }

  /* Settings overlay */
  #settings-overlay > .settings-card {
    background: var(--settings-card-bg);
    border-color: var(--settings-card-border);
    box-shadow: 0 24px 60px rgba(0,0,0,0.15);
  }
}

/* ── Reset ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'Courier New', Courier, monospace;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Gradient color mesh background ────────── */
#bg-gradient {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 15% 25%,  rgba(110,70,200,0.13) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 85% 75%,  rgba(200,130,40,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 40% 55% at 75% 15%,  rgba(40,180,190,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 60% at 50% 110%, rgba(139,108,196,0.07) 0%, transparent 60%);
}

/* ── Background noise canvas ───────────────── */
#bg-noise {
  position: fixed; inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
}

/* ── Scanlines ─────────────────────────────── */
#scanlines {
  position: fixed; inset: 0;
  z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 3px,
    rgba(0,0,0,0.12) 3px, rgba(0,0,0,0.12) 4px
  );
  animation: scanDrift 14s linear infinite;
}
@keyframes scanDrift {
  from { background-position: 0 0; }
  to   { background-position: 0 140px; }
}

/* ── Vignette ──────────────────────────────── */
#vignette {
  position: fixed; inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, transparent 50%, rgba(0,0,0,0.72) 100%);
}

/* ── Layout shell (sidebar + app side by side) */
#layout {
  position: fixed; inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: row;
}

/* ── App root ──────────────────────────────── */
#app {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* ══════════════════════════════════════════════
   SHARED GLASS CARD
   ══════════════════════════════════════════════ */
.glass-card {
  background: var(--surface);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 24px 60px rgba(0,0,0,0.55),
    0 0 40px rgba(200,160,88,0.04);
}

.intro-wrap,
.setup-wrap,
.byok-wrap {
  width: min(var(--flow-shell-width), 96%);
  max-height: min(calc(100vh - 56px), 920px);
}

.intro-card,
.setup-card,
.byok-card {
  width: 100%;
  min-height: var(--flow-shell-min-height);
  max-height: min(calc(100vh - 56px), 920px);
  padding: var(--flow-shell-pad-y) var(--flow-shell-pad-x) calc(var(--flow-shell-pad-y) - 4px);
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

/* ══════════════════════════════════════════════
   STATE 0 — BYOK SETUP
   ══════════════════════════════════════════════ */

.byok-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  animation: fadeSlideUp 0.5s cubic-bezier(0.2,0,0,1) both;
}

.byok-logo-small {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 4px;
  text-transform: uppercase;
}
.byok-logo-glyph { color: var(--dim2); }
.byok-logo-word {
  min-width: 13ch;
  color: var(--accent);
  text-align: center;
  text-transform: none;
  letter-spacing: 0.34em;
  transition: color 0.2s ease, text-shadow 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}
.byok-logo-word.is-swapping {
  color: #f3d89a;
  text-shadow: 0 0 14px rgba(200,160,88,0.35);
  transform: translateY(-1px);
}

.byok-heading {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: 1.7rem;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.byok-sub {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 300;
  color: var(--dim);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.byok-provider-deck {
  margin-bottom: 24px;
  padding: 14px 14px 12px;
  border: 1px solid rgba(200,160,88,0.14);
  border-radius: 14px;
  background:
    radial-gradient(circle at top, rgba(200,160,88,0.1), transparent 58%),
    rgba(255,255,255,0.02);
}

.byok-provider-head {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.byok-provider-sub {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: var(--dim2);
  letter-spacing: 0.03em;
  line-height: 1.5;
  margin-bottom: 14px;
}

.byok-provider-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.byok-provider {
  position: relative;
  appearance: none;
  -webkit-appearance: none;
  aspect-ratio: 1 / 1;
  min-width: 0;
  padding: 12px 7px 10px;
  border: 1px solid rgba(200,160,88,0.16);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(0,0,0,0.18)),
    rgba(14,14,18,0.92);
  clip-path: polygon(26% 0, 74% 0, 100% 26%, 100% 74%, 74% 100%, 26% 100%, 0 74%, 0 26%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  color: var(--text);
}

.byok-provider::before {
  content: '';
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(200,160,88,0.08);
  clip-path: inherit;
  pointer-events: none;
}

.byok-provider:hover,
.byok-provider:focus-visible {
  transform: translateY(-3px) scale(1.02);
  border-color: rgba(200,160,88,0.42);
  box-shadow: 0 12px 26px rgba(0,0,0,0.28), 0 0 22px rgba(200,160,88,0.1);
  outline: none;
}

.byok-provider.active {
  border-color: rgba(200,160,88,0.62);
  box-shadow: 0 14px 30px rgba(0,0,0,0.3), 0 0 28px rgba(200,160,88,0.18);
  transform: translateY(-2px);
}

.byok-provider.live {
  background:
    radial-gradient(circle at top, rgba(200,160,88,0.18), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(0,0,0,0.22)),
    rgba(14,14,18,0.92);
}

.byok-provider-code {
  font-family: 'Courier New', monospace;
  font-size: 16px;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.byok-provider-name {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  color: var(--text);
  word-break: break-word;
}

.byok-provider-status {
  font-family: 'Courier New', monospace;
  font-size: 7px;
  letter-spacing: 0.18em;
  color: var(--dim2);
}

.byok-field {
  margin-bottom: 18px;
}

.byok-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
  display: block;
}

.byok-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 10px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.byok-input-wrap:focus-within {
  border-color: var(--border-hi);
  box-shadow: 0 0 0 3px rgba(200,160,88,0.08), 0 0 16px rgba(200,160,88,0.06);
}
.byok-input-pre {
  color: var(--dim);
  font-size: 12px;
  white-space: nowrap;
  user-select: none;
}

.byok-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 13px;
  caret-color: var(--accent);
  letter-spacing: 0.04em;
}
.byok-input::placeholder { color: var(--dim2); }

.byok-hint {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: var(--dim2);
  margin-top: 6px;
  letter-spacing: 0.03em;
}

.byok-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--dim2);
  font-size: 11px;
}
.byok-divider::before,
.byok-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-dim);
}

.byok-btn {
  width: 100%;
  padding: 11px 20px;
  background: linear-gradient(135deg, rgba(200,160,88,0.18) 0%, rgba(200,160,88,0.08) 100%);
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 6px;
}
.byok-btn:hover {
  background: linear-gradient(135deg, rgba(200,160,88,0.28) 0%, rgba(200,160,88,0.14) 100%);
  box-shadow: 0 0 20px rgba(200,160,88,0.12);
  transform: translateY(-1px);
}
.byok-btn:active { transform: translateY(0); }

.byok-skip {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  color: var(--dim);
  text-align: center;
  cursor: pointer;
  letter-spacing: 0.04em;
  margin-top: 14px;
  transition: color 0.2s;
}
.byok-skip:hover { color: var(--text); }
.byok-skip span { border-bottom: 1px solid var(--dim2); }

@media (max-width: 560px) {
  .intro-wrap,
  .setup-wrap,
  .byok-wrap {
    width: min(var(--flow-shell-width), 94%);
    max-height: calc(100vh - 28px);
  }

  .intro-card,
  .setup-card,
  .byok-card {
    min-height: auto;
    max-height: calc(100vh - 28px);
    padding: 30px 24px 28px;
  }

  .byok-provider-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .byok-logo-small {
    gap: 8px;
    letter-spacing: 2px;
  }

  .byok-logo-word {
    min-width: 10ch;
    font-size: 11px;
    letter-spacing: 0.18em;
  }
}

/* ══════════════════════════════════════════════
   STATE 1 — HOME
   ══════════════════════════════════════════════ */

.home-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  animation: fadeSlideUp 0.55s cubic-bezier(0.2,0,0,1) both;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

/* ── Logo banner ───────────────────────────── */
.logo-frame {
  position: relative;
  padding: 14px 24px;
  user-select: none;
}
.logo-frame-project {
  min-width: min(72vw, 560px);
  text-align: center;
}
.logo-frame::before, .logo-frame::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: repeating-linear-gradient(
    to right, var(--border-hi) 0, var(--border-hi) 4px, transparent 4px, transparent 8px
  );
}
.logo-frame::before { top: 0; }
.logo-frame::after  { bottom: 0; }

.logo-text {
  color: var(--accent);
  line-height: 1.2;
  white-space: pre;
  font-size: 12px;
  text-shadow:
    0 0 8px  rgba(200,160,88,0.50),
    0 0 28px rgba(200,160,88,0.18);
  animation: phosphorBreath 5.5s ease-in-out infinite;
}
.logo-text-project {
  font-size: clamp(8px, 1.4vw, 12px);
  line-height: 1.15;
  letter-spacing: 0;
  white-space: pre;
  word-break: normal;
  color: #5a6a7a;
  text-shadow:
    0 0 8px  rgba(90,106,122,0.35),
    0 0 28px rgba(90,106,122,0.12);
  text-align: left;
  display: inline-block;
}
@keyframes phosphorBreath {
  0%,100% { text-shadow: 0 0 8px rgba(200,160,88,0.50), 0 0 28px rgba(200,160,88,0.18); }
  50%     { text-shadow: 0 0 14px rgba(200,160,88,0.80), 0 0 44px rgba(200,160,88,0.32), 0 0 2px #fff8e0; }
}

.logo-version {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 300;
  color: var(--dim);
  text-align: right;
  margin-top: 6px;
  letter-spacing: 3px;
}

/* ── Welcome header ────────────────────────── */
.welcome-header {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 300;
  font-size: 2.2rem;
  color: var(--text);
  letter-spacing: 0.05em;
  text-align: center;
}
.welcome-header .name {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(200,160,88,0.40);
}

/* ── Home main card ────────────────────────── */
.home-card {
  width: min(600px, 94%);
  padding: 0;
  overflow: hidden;
  position: relative;
}
.home-card.home-card-drop-active {
  box-shadow:
    0 24px 70px rgba(0,0,0,0.42),
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 0 0 1px rgba(200,160,88,0.2);
}

.home-card-top {
  padding: 16px 24px 20px;
  border-bottom: 1px solid var(--border-dim);
  position: relative;
}

/* Colored top accent bar */
.home-card-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--purple) 0%, var(--accent) 50%, var(--teal) 100%);
  opacity: 0.7;
}

/* Status row */
.home-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

/* Clean terminal input bar */
.home-input-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.home-file-thumbs {
  flex-direction: row;
  align-items: stretch;
  max-height: 78px;
  width: 0;
  border-left: 1px solid transparent;
  overflow: hidden;
}
.home-file-thumbs.has-files {
  width: 164px;
  padding: 6px 0 6px 10px;
  overflow-x: auto;
  overflow-y: hidden;
  border-left-color: var(--border-dim);
}
.home-file-thumbs .chat-file-thumb {
  width: 72px;
}
.home-file-thumbs .chat-file-thumb-img,
.home-file-thumbs .chat-file-thumb-icon {
  height: 44px;
}
.home-file-thumbs .chat-file-thumb-name {
  font-size: 8px;
}
.home-input-bar:focus-within {
  border-color: var(--border-hi);
  box-shadow: 0 0 0 3px rgba(200,160,88,0.07), 0 0 20px rgba(200,160,88,0.06);
}

.term-prompt { color: var(--accent); font-size: 14px; flex-shrink: 0; }

#home-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 14px;
  caret-color: var(--accent);
  min-width: 0;
}
#home-input::placeholder { color: var(--dim2); }

.home-input-enter {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  color: var(--dim2);
  flex-shrink: 0;
  transition: color 0.2s;
}
.home-input-bar:focus-within .home-input-enter { color: var(--dim); }

.status-badge {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--green);
  background: var(--green-lo);
  border: 1px solid rgba(76,175,130,0.22);
  border-radius: 20px;
  padding: 2px 10px;
}

.status-hint {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 300;
  color: var(--dim);
  letter-spacing: 0.05em;
}

/* Suggestion chips */
.home-card-bottom {
  padding: 14px 24px 18px;
}

.chips-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 400;
  color: var(--dim2);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 300;
  color: var(--dim);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-dim);
  border-radius: 20px;
  padding: 4px 14px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  white-space: nowrap;
}
.chip:hover {
  color: var(--text);
  border-color: var(--border);
  background: rgba(200,160,88,0.05);
}

/* ── Dot trail ─────────────────────────────── */
.dot-trail {
  font-family: 'Courier New', monospace;
  color: var(--dim2);
  font-size: 11px;
  letter-spacing: 5px;
  opacity: 0;
  animation: dotFade 1s 0.9s ease both;
  user-select: none;
}
@keyframes dotFade { from { opacity: 0; } to { opacity: 1; } }

/* ══════════════════════════════════════════════
   STATE 2 — EXPANDED
   ══════════════════════════════════════════════ */

.expanded-wrap {
  /* flex child of #app — stretches to fill all available space */
  flex: 1;
  align-self: stretch;
  min-height: 0;
  min-width: 0;
  display: grid;
  grid-template-areas: "chat study";
  grid-template-rows: 1fr;
  grid-template-columns: minmax(520px, 1fr) minmax(320px, 0.78fr);
  padding: 10px;
  gap: 8px;
}
.expanded-wrap.history-focus {
  grid-template-areas: "chat";
  grid-template-columns: 1fr;
}
.expanded-wrap.history-focus .panel-study {
  display: none;
}

/* ── Shared panel ──────────────────────────── */
.panel {
  background: var(--surface);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border: 1px solid var(--border-dim);
  border-radius: 5px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;   /* allows flex child to shrink & scroll */
  font-size: 13px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.03) inset;
  opacity: 1;
}

.panel-chat  {
  grid-area: chat;
  border-top: 2px solid var(--accent);
  position: relative;
}
.panel-rag   {
  grid-area: rag;
  border-top: 2px solid var(--teal);
}
.panel-dashboard  {
  grid-area: files;
  border-top: 2px solid var(--purple);
  max-height: 220px;
}
.panel-study {
  grid-area: study;
  border-top: 2px solid var(--teal);
}
.panel-chat.chat-panel-drop-active {
  box-shadow:
    0 18px 44px rgba(0,0,0,0.5),
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 0 0 1px rgba(200,160,88,0.18);
}

/* ── Panel header ──────────────────────────── */
.panel-header {
  background: var(--surface2);
  border-bottom: 1px solid var(--border-dim);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  user-select: none;
}

.panel-header-label {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--accent);
  text-shadow: 0 0 6px rgba(200,160,88,0.35);
}
.panel-chat  .panel-header-label { color: var(--accent); }
.panel-rag   .panel-header-label { color: var(--teal);   text-shadow: 0 0 6px rgba(62,184,200,0.3); }
.panel-dashboard .panel-header-label { color: var(--purple); text-shadow: 0 0 6px rgba(139,108,196,0.3); }

.panel-header-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
  animation: dotPulse 2.5s ease-in-out infinite;
}
@keyframes dotPulse {
  0%,100% { opacity: 0.6; transform: scale(1); }
  50%     { opacity: 1;   transform: scale(1.3); }
}

.panel-header-right {
  margin-left: auto;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 400;
  color: var(--dim2);
  letter-spacing: 1px;
}
.panel-header-right.clickable {
  cursor: pointer;
  transition: color 0.15s, opacity 0.15s;
}
.panel-header-right.clickable:hover,
.panel-header-right.clickable:focus-visible {
  color: var(--accent);
  opacity: 1;
}
.chat-panel-header-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.chat-panel-model {
  border: 0;
  background: transparent;
  padding: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 400;
  color: var(--dim2);
  letter-spacing: 1px;
  cursor: pointer;
  transition: color 0.15s, opacity 0.15s;
}
.chat-panel-model:hover,
.chat-panel-model:focus-visible {
  color: var(--accent);
  opacity: 1;
}

/* ── Panel body ────────────────────────────── */
.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 10px 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}

/* ── Dashboard panel ────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  height: 100%;
}
.dashboard-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dashboard-card-title {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--dim);
}
.dashboard-card-value {
  font-size: 16px;
  color: var(--text);
  font-weight: bold;
}
.dashboard-card-sub {
  font-size: 10px;
  color: var(--dim2);
}
.dashboard-stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}
.dashboard-stat-label { color: var(--dim); }
.dashboard-stat-value { color: var(--text); }

/* ── Study center panel ─────────────────────── */
.study-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-dim);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0));
}
.study-search-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 0 8px;
  background: rgba(255,255,255,0.02);
}
.study-search-icon {
  color: var(--dim2);
  font-size: 12px;
  flex-shrink: 0;
}
.study-search-input {
  flex: 1;
  min-width: 0;
  height: 32px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
}
.study-search-input::placeholder { color: var(--dim2); }
.study-new-course-btn {
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  height: 32px;
  padding: 0 10px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, transform 0.15s;
}
.study-new-course-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.canvas-body {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.study-rag-tree {
  margin: 0;
  flex: 1;
  min-height: 0;
  max-height: none;
  overflow: auto;
  padding: 12px 14px;
}
.resolver-file-shelf {
  display: none;
  margin: 0 14px 10px;
  padding: 10px 10px 8px;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.028), rgba(255,255,255,0.01)),
    rgba(0,0,0,0.12);
}
.resolver-file-shelf.has-files {
  display: block;
}
.resolver-file-label {
  margin-bottom: 8px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--dim2);
}
.resolver-file-thumbs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}
.study-hover-card {
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  background:
    radial-gradient(circle at top right, rgba(62,184,200,0.08), transparent 45%),
    rgba(255,255,255,0.02);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.study-hover-card:hover {
  transform: translateY(-2px);
  border-color: rgba(62,184,200,0.45);
  box-shadow: 0 10px 26px rgba(0,0,0,0.3);
}
.study-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.study-card-title {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--teal);
  text-transform: uppercase;
}
.study-card-meta {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: var(--dim2);
}
.study-session-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.study-session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
}
.study-session-title {
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.study-session-date {
  color: var(--dim2);
  font-size: 10px;
  flex-shrink: 0;
}
.study-course-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.study-course-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-dim);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 10px;
  color: var(--dim);
  background: rgba(255,255,255,0.025);
}
.study-meter {
  display: grid;
  grid-template-columns: 66px 1fr auto;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
}
.study-meter span { color: var(--dim); }
.study-meter strong {
  color: var(--text);
  font-size: 10px;
}
.study-meter-bar {
  height: 7px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.study-meter-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--accent));
}
.study-understanding-stat {
  font-size: 11px;
  color: var(--dim);
  line-height: 1.45;
}
.study-understanding-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}
.study-understanding-grid div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  color: var(--dim2);
}
.study-understanding-grid strong { color: var(--text); }
.study-empty {
  font-size: 10px;
  color: var(--dim2);
  font-style: italic;
}
.rag-tree-hidden {
  display: none;
}

@media (max-width: 1100px) {
  .expanded-wrap {
    grid-template-areas:
      "chat"
      "study";
    grid-template-columns: 1fr;
    grid-template-rows: minmax(300px, 1fr) minmax(320px, auto);
  }
}

@media (min-width: 1101px) and (max-width: 1320px) {
  .expanded-wrap {
    grid-template-columns: minmax(500px, 1fr) minmax(300px, 0.62fr);
  }
}

/* ── Chat panel ────────────────────────────── */
.chat-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}

/* ── Message bubbles — rounded terminal art ── */
.msg-bubble {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  animation: msgSlideIn 0.26s cubic-bezier(0.2,0,0,1) both;
  min-width: 0;
  position: relative;
}
.msg-bubble:hover .msg-actions { opacity: 1; pointer-events: auto; }

.msg-actions {
  position: absolute;
  top: 2px;
  right: 4px;
  display: flex;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.msg-action-btn {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--dim);
  background: var(--surface2);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 2px 7px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.msg-action-btn:hover {
  color: var(--accent);
  border-color: var(--border);
  background: var(--accent-lo);
}
.msg-action-btn.copied {
  color: var(--green);
  border-color: rgba(76,175,130,0.3);
  background: var(--green-lo);
}
.upload-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 4px 14px 6px;
}
.upload-btn {
  cursor: pointer; font-family: 'Courier New', monospace; font-size: 0.7rem;
  color: var(--dim); border: 1px dashed var(--border); padding: 2px 8px;
  border-radius: 2px; transition: color 0.15s, border-color 0.15s;
}
.upload-btn:hover { color: var(--accent); border-color: var(--accent); }
.upload-badge {
  font-family: 'Courier New', monospace; font-size: 0.68rem;
  color: var(--green); animation: fadeIn 0.3s ease;
}
@keyframes msgSlideIn {
  from { opacity:0; transform: translateY(8px); }
  to   { opacity:1; transform: none; }
}

.msg-header, .msg-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  line-height: 1.4;
  overflow: hidden;
  white-space: nowrap;
}
.msg-header .mh-r,
.msg-footer .mf-r {
  flex: 1;
  text-align: right;
  overflow: hidden;
  color: inherit;
  opacity: 0.6;
}

.msg-body {
  padding: 5px 0 5px 10px;
  border-left: 2px solid;
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.46;
  font-family: 'Courier New', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', monospace;
  white-space: pre-wrap;
  word-break: break-word;
  min-width: 0;
}
.msg-body b { color: inherit; }
.msg-body a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(62,184,200,0.35);
}
.msg-body a:hover {
  border-bottom-color: var(--teal);
}
.msg-body ul,
.msg-body ol {
  margin: 5px 0;
  padding-left: 18px;
}
.msg-body li {
  margin: 2px 0;
  line-height: 1.38;
}
.msg-body .inline-code {
  background: rgba(255,255,255,0.08);
  color: #e2cca9;
}
.msg-body .code-block-wrap {
  border-color: rgba(255,255,255,0.08);
}
.msg-body .code-block-header {
  background: rgba(255,255,255,0.04);
  color: var(--dim2);
  border-bottom-color: rgba(255,255,255,0.06);
}
.msg-body .code-block {
  background: #020408;
  color: var(--text);
}

.msg-sources {
  font-size: 9.5px;
  color: var(--dim);
  padding: 3px 0 0 10px;
  border-left: 2px solid;
  opacity: 0.75;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Role colors */
.msg-bubble.msg-user .msg-header { color: var(--accent); }
.msg-bubble.msg-user .msg-footer { color: var(--accent); opacity: 0.5; }
.msg-bubble.msg-user .msg-body   { border-color: var(--accent); }

.msg-bubble.msg-bot  .msg-header { color: var(--teal); }
.msg-bubble.msg-bot  .msg-footer { color: var(--teal); opacity: 0.5; }
.msg-bubble.msg-bot  .msg-body   { border-color: var(--teal); }
.msg-bubble.msg-bot  .msg-sources { border-color: var(--teal); }

.msg-bubble.msg-err  .msg-header { color: var(--red); }
.msg-bubble.msg-err  .msg-footer { color: var(--red); opacity: 0.5; }
.msg-bubble.msg-err  .msg-body   { border-color: var(--red); color: var(--red); }

/* Thinking dots */
.msg-dots span { animation: blink 1.1s infinite; color: var(--dim); }
.msg-dots span:nth-child(2) { animation-delay: 0.2s; }
.msg-dots span:nth-child(3) { animation-delay: 0.4s; }

@media (prefers-color-scheme: light) {
  .msg-body .inline-code {
    background: rgba(154,108,40,0.10);
    color: #7b5520;
  }
  .msg-body .code-block-wrap {
    border-color: rgba(0,0,0,0.10);
  }
  .msg-body .code-block-header {
    background: rgba(0,0,0,0.04);
    color: rgba(47,39,28,0.50);
    border-bottom-color: rgba(0,0,0,0.06);
  }
  .msg-body .code-block {
    background: rgba(255,255,255,0.72);
    color: #201910;
  }
}

@keyframes blink {
  0%,100% { opacity: 1; }
  50%      { opacity: 0; }
}

.chat-divider {
  font-family: 'Courier New', monospace;
  color: var(--dim2);
  font-size: 12px;
  letter-spacing: 3.8px;
  text-align: center;
  padding: 6px 0 5px;
  flex-shrink: 0;
  user-select: none;
}

.chat-input-row {
  border-top: 1px solid var(--border-dim);
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-shrink: 0;
  background: var(--surface2);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-input-row:focus-within {
  border-color: rgba(200,160,88,0.4);
  box-shadow: 0 -4px 16px rgba(200,160,88,0.06);
}

/* Input section (prompt + text field) */
.chat-input-section {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  min-width: 0;
}

.chat-prompt {
  color: var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}

#chat-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  overflow-y: auto;
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 15px;
  line-height: 1.45;
  min-height: calc(1.45em * 3);
  max-height: calc(1.45em * 8);
  padding: 0;
  margin: 0;
  caret-color: var(--accent);
}
#chat-input::placeholder { color: var(--dim2); }

/* ── File thumbnail strip ───────────────────── */
.chat-file-thumbs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  max-height: 200px;
  overflow: hidden;
  border-left: 1px solid transparent;
  width: 0;
  transition: width 0.22s ease, border-color 0.22s ease, padding 0.22s ease;
}
.chat-file-thumbs.has-files {
  width: 88px;
  padding: 6px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
  border-left-color: var(--border-dim);
}
.chat-file-thumb {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
}
.chat-file-thumb-compact {
  width: 76px;
}
.chat-file-thumb-compact .chat-file-thumb-img,
.chat-file-thumb-compact .chat-file-thumb-icon {
  height: 48px;
}
.chat-file-thumb-compact .chat-file-thumb-name {
  font-size: 8px;
}
.chat-file-thumb-img {
  display: block;
  width: 100%;
  height: 56px;
  object-fit: cover;
}
.chat-file-thumb-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  font-size: 22px;
}
.chat-file-thumb-name {
  display: block;
  font-size: 9px;
  line-height: 1.3;
  padding: 2px 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--dim);
  font-family: 'Courier New', monospace;
}
.chat-file-thumb-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: rgba(0,0,0,0.75);
  color: #ff9dac;
  font-size: 11px;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.chat-file-thumb:hover .chat-file-thumb-remove { opacity: 1; }
.chat-file-thumb-remove:hover,
.chat-file-thumb-remove:focus-visible {
  color: #ff5e74;
}

/* ── Chat messages wrapper (positions drop overlay) */
.chat-messages-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
/* ── Chat drop overlay ──────────────────────── */
.chat-drop-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(5, 8, 14, 0.84);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  pointer-events: none;
}
.chat-drop-overlay.active { display: flex; }
.home-drop-overlay {
  border-radius: inherit;
}
.chat-drop-overlay[data-mode="chat"] {
  background: rgba(5, 8, 14, 0.84);
}
.chat-drop-overlay[data-mode="history"] {
  background: rgba(18, 24, 34, 0.56);
}
.chat-messages.drop-dim {
  opacity: 0.28;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.chat-history-browser.drop-lift {
  opacity: 0.68;
  filter: brightness(1.1) saturate(1.08);
  transition: opacity 0.18s ease, filter 0.18s ease;
}
.chat-drop-card {
  min-width: min(78%, 420px);
  padding: 18px 22px;
  border: 1px solid rgba(200,160,88,0.28);
  border-radius: 12px;
  background:
    radial-gradient(circle at top, rgba(200,160,88,0.16), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)),
    rgba(8, 12, 20, 0.86);
  box-shadow: 0 24px 70px rgba(0,0,0,0.4), 0 0 30px rgba(200,160,88,0.08);
  text-align: center;
}
.chat-drop-overlay[data-mode="history"] .chat-drop-card {
  border-color: rgba(62,184,200,0.26);
  background:
    radial-gradient(circle at top, rgba(62,184,200,0.15), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.018)),
    rgba(12, 18, 28, 0.72);
}
.chat-drop-kicker {
  margin-bottom: 8px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  letter-spacing: 0.28em;
  color: var(--dim2);
}
.chat-drop-icon {
  font-size: 28px;
  animation: dropBounce 0.9s ease-in-out infinite;
}
@keyframes dropBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}
.chat-drop-text {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: 0 0 10px rgba(200,160,88,0.5);
}
.chat-drop-subtext {
  margin-top: 8px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  line-height: 1.5;
  color: rgba(231, 236, 247, 0.72);
}

/* ── RAG panel ─────────────────────────────── */
.rag-tree {
  white-space: pre;
  font-size: 12px;
  line-height: 1.75;
  color: var(--dim);
}
.rag-tree .node-root  { color: var(--text); }
.rag-tree .node-label { color: var(--teal); }
.rag-tree .node-label.resolved {
  color: var(--green);
  animation: resolveFlash 0.55s ease both;
}
@keyframes resolveFlash {
  0%   { color: #fff; text-shadow: 0 0 20px #fff, 0 0 40px var(--green); }
  60%  { color: var(--green); text-shadow: 0 0 10px rgba(76,175,130,0.6); }
  100% { color: var(--green); text-shadow: 0 0 3px rgba(76,175,130,0.25); }
}
.rag-tree .node-dir       { color: var(--accent); }
.rag-tree .node-file      { color: var(--text); }
.rag-tree .node-bar       { color: var(--teal); }
.rag-tree .node-bar-empty { color: var(--dim2); }
.rag-tree .node-check     { color: var(--green); text-shadow: 0 0 5px rgba(76,175,130,0.45); }
.rag-tree .node-tree      { color: var(--dim2); }
.rag-tree .node-blink     { color: var(--teal); animation: blink 0.75s infinite; }
.rag-tree .dim            { color: var(--dim); }
.rag-tree .node-mode      { color: var(--accent); }
.rag-tree .node-held      { color: var(--purple); }
.rag-tree .node-delta-up  { color: var(--green); }
.rag-tree .node-delta-down { color: var(--red); }
.rag-tree .node-delta-flat { color: var(--dim); }
.rag-tree .node-delta-new { color: var(--accent); }
.rag-tree .node-delta-hold { color: var(--teal); }
.rag-tree .node-delta-drop { color: var(--purple); }
.rag-tree .node-agent-search { color: var(--pink); text-shadow: 0 0 6px var(--pink-lo); }
.resolver-retrieve-block {
  color: var(--dim);
  display: inline-block;
  min-height: 0;
}
.resolver-trace-block {
  color: var(--dim);
  display: inline-block;
  min-height: 1.2em;
}

/* ── Files panel ───────────────────────────── */
.file-table-head {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dim);
  border-bottom: 1px solid var(--border-dim);
  padding-bottom: 6px;
  margin-bottom: 4px;
}
.held-list {
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.held-row {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: var(--dim);
  padding: 2px 4px;
  border-left: 2px solid var(--purple);
  background: rgba(139,108,196,0.06);
}
.file-tree { display: flex; flex-direction: column; gap: 0; }

/* ── File tree ── */
.ft-row     { display: flex; align-items: baseline; gap: 2px; padding: 1px 0; cursor: default; white-space: nowrap; overflow: hidden; }
.ft-row:hover { background: rgba(139,108,196,0.07); }
.ft-indent  { color: var(--dim2); font-family: 'Courier New', monospace; font-size: 11px; flex-shrink: 0; }
.ft-toggle  { color: var(--dim); font-size: 10px; flex-shrink: 0; cursor: pointer; }
.ft-toggle:hover { color: var(--accent); }
.ft-dir     { color: var(--dim); font-size: 11.5px; font-family: 'Courier New', monospace; }
.ft-icon    { color: var(--dim2); font-size: 10px; flex-shrink: 0; }
.ft-file    { color: var(--dim2); font-size: 11px; font-family: 'Courier New', monospace; overflow: hidden; text-overflow: ellipsis; }
.ft-file.ft-hit { color: var(--text); }
.ft-bar     { flex-shrink: 0; margin-left: 6px; font-family: 'Courier New', monospace; font-size: 11px; }
.ft-pct     { color: var(--accent); font-size: 10px; margin-left: 2px; flex-shrink: 0; }
.ft-count   { color: var(--dim2); font-size: 10px; margin-left: 6px; flex-shrink: 0; }
.ft-children { padding-left: 0; }

.file-row {
  display: grid;
  grid-template-columns: 190px 150px 1fr;
  gap: 10px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  transition: background 0.15s;
  cursor: default;
  border-radius: 2px;
  padding-left: 4px;
}
.file-row:hover   { background: rgba(139,108,196,0.08); }
.file-bar-rel     { color: var(--accent); font-family: 'Courier New', monospace; }
.file-bar-conf    { color: var(--teal);   font-family: 'Courier New', monospace; }
.file-bar-empty   { color: var(--dim2);   font-family: 'Courier New', monospace; }
.file-pct         { color: var(--dim); font-size: 11px; margin-left: 4px; }
.file-name        { color: var(--text); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Scrollbars ────────────────────────────── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-dim); border-radius: 2px; }

/* ══════════════════════════════════════════════
   SETTINGS FAB + PAGE
   ══════════════════════════════════════════════ */

.settings-fab {
  position: fixed;
  bottom: 18px; right: 18px;
  z-index: 15;
  width: 36px; height: 36px;
  background: var(--surface2);
  border: 1px solid var(--border-dim);
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Courier New', monospace;
  font-size: 15px;
  color: var(--dim);
  transition: color 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  user-select: none;
}
.settings-fab:hover {
  color: var(--accent);
  border-color: var(--border);
  box-shadow: 0 0 14px rgba(200,160,88,0.18);
  transform: rotate(20deg);
}

/* Settings overlay — full-screen over expanded */
#settings-overlay {
  position: fixed; inset: 0;
  z-index: 20;
  background: var(--settings-overlay-bg);
  backdrop-filter: blur(10px) saturate(1.05);
  -webkit-backdrop-filter: blur(10px) saturate(1.05);
  display: flex; align-items: center; justify-content: center;
  animation: fadeSlideUp 0.3s cubic-bezier(0.2,0,0,1) both;
}

.settings-card {
  width: min(1240px, calc(100vw - 48px));
  max-height: min(92vh, 1100px);
  overflow-y: auto;
  padding: 40px 42px 44px;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
  background: var(--settings-card-bg);
  border: 1px solid var(--settings-card-border);
  border-radius: 20px;
  box-shadow:
    0 28px 72px rgba(0,0,0,0.42),
    0 0 0 1px rgba(255,255,255,0.03) inset;
}

.settings-back {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--dim);
  cursor: pointer;
  letter-spacing: 1.2px;
  margin-bottom: 26px;
  transition: color 0.2s;
  width: fit-content;
}
.settings-back:hover { color: var(--accent); }

.settings-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 300;
  font-size: 2.2rem;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 26px;
}

.settings-section {
  margin-bottom: 28px;
}
.settings-panel {
  padding: 22px 24px 24px;
  border: 1px solid var(--settings-card-border);
  border-radius: 16px;
  background: var(--settings-panel-bg);
  margin-bottom: 0;
}
.settings-span-2 { grid-column: span 2; }

.settings-section-head {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--dim);
  border-bottom: 1px solid var(--settings-card-border);
  padding-bottom: 10px;
  margin-bottom: 18px;
}

.settings-row {
  margin-bottom: 18px;
}

.settings-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  display: block;
  margin-bottom: 8px;
}

/* reuse byok-input-wrap styles */
.settings-input-wrap {
  display: flex; align-items: center; gap: 8px;
  min-height: 46px;
  background: var(--settings-field-bg);
  border: 1px solid var(--settings-field-border);
  border-radius: 10px;
  padding: 11px 14px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.settings-input-wrap:focus-within {
  border-color: var(--settings-active-border);
  box-shadow: 0 0 0 3px var(--settings-field-focus);
  background: var(--settings-field-bg);
}
.settings-input, .settings-select {
  flex: 1;
  background: transparent;
  border: none; outline: none;
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 13px;
  caret-color: var(--accent);
}
.settings-select option { background: var(--settings-field-bg); }
.settings-input--env-locked {
  filter: blur(4px);
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  opacity: 0.6;
  cursor: default;
}
.settings-model-picker {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  padding: 0;
  text-align: left;
}
.settings-model-value {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.settings-model-caret {
  font-size: 11px;
  color: var(--dim2);
  flex-shrink: 0;
}

.model-picker-overlay {
  position: fixed;
  inset: 0;
  z-index: 240;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(5, 8, 14, 0.55);
  backdrop-filter: blur(12px);
}
.model-picker-card {
  width: min(440px, calc(100vw - 32px));
  max-height: min(560px, calc(100vh - 48px));
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  border: 1px solid var(--settings-card-border);
  background:
    radial-gradient(circle at top right, rgba(216,166,75,0.12), transparent 28%),
    var(--settings-panel-bg-strong);
  box-shadow: 0 30px 70px rgba(0,0,0,0.35);
  overflow: hidden;
}
.model-picker-head {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--settings-card-border);
}
.model-picker-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text);
}
.model-picker-subtitle {
  margin-top: 6px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  line-height: 1.55;
  color: var(--dim);
}
.model-picker-list {
  padding: 12px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.model-picker-list::-webkit-scrollbar {
  width: 8px;
}
.model-picker-list::-webkit-scrollbar-thumb {
  background: rgba(200,160,88,0.52);
  border-radius: 999px;
}
.model-picker-item {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 12px 14px;
  margin-bottom: 8px;
  text-align: left;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.model-picker-item:hover,
.model-picker-item:focus-visible,
.model-picker-item.active {
  background: rgba(255,255,255,0.06);
  border-color: var(--settings-active-border);
  transform: translateY(-1px);
}
.model-picker-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--settings-card-border);
}
.model-picker-btn {
  border: 1px solid var(--settings-field-border);
  border-radius: 999px;
  background: var(--settings-field-bg);
  color: var(--text);
  padding: 8px 14px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.model-picker-btn:hover,
.model-picker-btn:focus-visible {
  border-color: var(--settings-active-border);
  color: var(--accent);
}

.settings-file-list {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--dim);
  line-height: 1.95;
}
.settings-file-list .sf-name { color: var(--text); }
.settings-file-list .sf-size { color: var(--dim); float: right; }
.settings-inline-note {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  color: var(--dim);
  line-height: 1.65;
}
.settings-hero {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 26px;
  align-items: stretch;
  margin-bottom: 28px;
}
.settings-help-strip {
  margin-bottom: 24px;
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--settings-card-border);
  background: var(--settings-panel-bg-strong);
}
.settings-help-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.settings-avatar-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.settings-avatar-preview {
  min-height: 180px;
  border-radius: 20px;
  border: 1px solid var(--settings-card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4.5rem;
  color: var(--accent);
  background: var(--settings-panel-bg-strong);
}
.settings-icon-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.settings-icon-btn {
  border: 1px solid var(--settings-field-border);
  background: var(--settings-field-bg);
  color: var(--text);
  border-radius: 10px;
  min-height: 42px;
  cursor: pointer;
  font-family: 'Courier New', monospace;
  font-size: 16px;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
}
.settings-icon-btn:hover,
.settings-icon-btn.active {
  color: var(--accent);
  border-color: var(--settings-active-border);
  background: var(--settings-active-bg);
  transform: translateY(-1px);
}
.settings-hero-meta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 10px 4px 10px 0;
}
.settings-hero-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.35rem;
  font-weight: 300;
  line-height: 1.1;
  color: var(--text);
}
.settings-hero-sub {
  color: var(--dim);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
}
.settings-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.settings-stat-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--settings-field-border);
  padding: 7px 12px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  background: var(--settings-pill-bg);
}
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 22px;
}
.settings-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid var(--settings-field-border);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--settings-field-bg);
  margin-bottom: 12px;
}
.settings-toggle-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.settings-toggle-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  color: var(--text);
}
.settings-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.conn-list { display: flex; flex-direction: column; }
.conn-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--settings-card-border);
  flex-wrap: wrap;
}
.conn-row:last-child { border-bottom: none; }
.conn-info { flex: 1; min-width: 0; }
.conn-name {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 3px;
  transition: color 0.2s;
}
.conn-row.active .conn-name { color: var(--accent); }
.conn-desc { font-size: 12px; color: var(--dim); line-height: 1.5; }
.conn-switch { display: flex; align-items: center; cursor: pointer; flex-shrink: 0; }
.conn-switch input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--settings-field-bg);
  border: 1px solid var(--settings-field-border);
  cursor: pointer;
  position: relative;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.conn-switch input[type="checkbox"]::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--dim);
  transition: transform 0.2s, background 0.2s;
}
.conn-switch input[type="checkbox"]:checked {
  background: var(--settings-active-bg);
  border-color: var(--settings-active-border);
}
.conn-switch input[type="checkbox"]:checked::after {
  transform: translateX(16px);
  background: var(--accent);
}
.conn-switch input[type="checkbox"]:disabled { opacity: 0.4; cursor: default; }
.conn-bind {
  width: 100%;
  display: flex;
  gap: 8px;
  align-items: center;
  padding-top: 8px;
}
.conn-bind .settings-input { flex: 1; min-width: 0; }
.conn-bind-btn {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--settings-field-border);
  background: var(--settings-field-bg);
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.conn-bind-btn:hover { background: var(--settings-active-bg); border-color: var(--settings-active-border); color: var(--accent); }
.conn-bind-btn.danger { color: var(--red); border-color: var(--settings-danger-border); background: var(--settings-danger-bg); }
.conn-bind-btn.danger:hover { background: var(--settings-danger-bg-hover); }
.settings-mcp-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}
.settings-mcp-row {
  display: grid;
  grid-template-columns: 24px 1fr 128px 1.3fr 1.2fr 44px;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--settings-card-border);
  border-radius: 12px;
  background: var(--settings-field-bg);
}

.settings-btn-row {
  display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap;
}

.settings-keys-toggle {
  display: flex;
  align-items: center;
  width: 100%;
  margin-top: 16px;
  padding: 8px 12px;
  background: var(--settings-field-bg);
  border: 1px solid var(--settings-field-border);
  border-radius: 8px;
  font-family: 'Courier New', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dim);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  text-align: left;
}
.settings-keys-toggle:hover {
  background: var(--settings-active-bg);
  border-color: var(--settings-active-border);
  color: var(--accent);
}
.settings-keys-caret {
  margin-left: auto;
  font-size: 10px;
}

.settings-btn {
  flex: 1 1 220px;
  padding: 12px 18px;
  border-radius: 10px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, border-color 0.2s;
  text-align: center;
  border: 1px solid var(--settings-field-border);
  background: var(--settings-field-bg);
  color: var(--text);
}
.settings-btn.primary {
  background: var(--settings-active-bg);
  border: 1px solid var(--settings-active-border);
  color: var(--accent);
}
.settings-btn.primary:hover { background: var(--settings-active-bg-hover); box-shadow: 0 10px 20px rgba(0,0,0,0.10); }
.settings-btn.danger {
  background: var(--settings-danger-bg);
  border: 1px solid var(--settings-danger-border);
  color: var(--red);
}
.settings-btn.danger:hover { background: var(--settings-danger-bg-hover); }
.settings-btn.factory-reset {
  flex: 1 1 100%;
  background: var(--settings-danger-strong);
  border: 1px solid rgba(255, 190, 190, 0.35);
  color: #fff4f4;
  box-shadow: none;
}
.settings-btn.factory-reset:hover {
  background: var(--settings-danger-strong-hover);
  box-shadow: 0 10px 18px rgba(0,0,0,0.16);
}

@media (max-width: 1100px) {
  .settings-card {
    width: min(1080px, calc(100vw - 32px));
    padding: 32px 30px 34px;
  }
  .settings-hero {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 22px;
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
  .settings-span-2 { grid-column: auto; }
}

@media (max-width: 840px) {
  .settings-card {
    width: min(760px, calc(100vw - 20px));
    padding: 24px 18px 28px;
  }
  .settings-hero,
  .settings-grid {
    grid-template-columns: 1fr;
  }
  .settings-span-2 { grid-column: auto; }
  .settings-mcp-row {
    grid-template-columns: 24px 1fr;
  }
  .settings-panel {
    padding: 18px;
  }
  .settings-title {
    font-size: 1.9rem;
  }
}

/* ══════════════════════════════════════════════
   STATE –2 — INTRO / LANDING
   ══════════════════════════════════════════════ */

.intro-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  animation: fadeSlideUp 0.55s cubic-bezier(0.2,0,0,1) both;
}

.intro-card { position: relative; overflow: hidden; }

/* top accent stripe */
.intro-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--purple) 30%, var(--accent) 60%, var(--teal) 90%, transparent 100%);
}

.intro-badge {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.intro-badge::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-dim);
}
.intro-badge-dot { color: var(--accent); }

/* ASCII logo block inside intro card */
.intro-logo-wrap {
  font-family: 'Courier New', monospace;
  font-size: 9.5px;
  line-height: 1.15;
  letter-spacing: 0.01em;
  white-space: pre;
  margin-bottom: 26px;
  overflow: hidden;
}
.intro-logo-line {
  display: block;
  color: var(--accent);
  text-shadow: 0 0 12px rgba(200,160,88,0.35), 0 0 28px rgba(200,160,88,0.12);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.intro-logo-line.visible {
  opacity: 1;
  transform: translateY(0);
}

.intro-tagline {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: 1.55rem;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-bottom: 6px;
  min-height: 1.9rem;
}
.intro-tagline-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--accent);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

.intro-sub {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 300;
  color: var(--dim);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
}

.intro-divider {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--dim2);
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}

.intro-features {
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 14px 18px;
  margin-bottom: 28px;
  background: rgba(255,255,255,0.018);
}
.intro-features-head {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim2);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-dim);
  padding-bottom: 8px;
}
.intro-feature {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 5px 0;
  font-size: 12px;
  color: var(--dim);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease, color 0.2s;
}
.intro-feature.visible { opacity: 1; transform: translateX(0); }
.intro-feature:hover { color: var(--text); }
.intro-feature-icon {
  color: var(--accent);
  font-size: 11px;
  flex-shrink: 0;
  width: 14px;
}
.intro-feature-text { flex: 1; line-height: 1.4; }
.intro-feature-badge {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 2px;
  background: var(--accent-lo);
  color: var(--accent);
  border: 1px solid rgba(200,160,88,0.2);
}

.intro-cta {
  width: 100%;
  padding: 13px 20px;
  background: linear-gradient(135deg, rgba(200,160,88,0.2) 0%, rgba(200,160,88,0.08) 100%);
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 13px;
  letter-spacing: 2.5px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 14px;
}
.intro-cta:hover {
  background: linear-gradient(135deg, rgba(200,160,88,0.3) 0%, rgba(200,160,88,0.15) 100%);
  box-shadow: 0 0 24px rgba(200,160,88,0.14), 0 4px 16px rgba(0,0,0,0.3);
  transform: translateY(-1px);
}
.intro-cta:active { transform: translateY(0); }
.intro-cta-arrow {
  display: inline-block;
  transition: transform 0.2s;
}
.intro-cta:hover .intro-cta-arrow { transform: translateX(4px); }

.intro-skip {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  color: var(--dim2);
  text-align: center;
  cursor: pointer;
  transition: color 0.2s;
}
.intro-skip:hover { color: var(--dim); }

/* ══════════════════════════════════════════════
   STATE –1 — SETUP GUIDE
   ══════════════════════════════════════════════ */

.setup-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  animation: fadeSlideUp 0.45s cubic-bezier(0.2,0,0,1) both;
}

.setup-card { position: relative; overflow: hidden; }
.setup-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--teal) 40%, var(--accent) 80%, transparent 100%);
}

.setup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.setup-brand {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}
.setup-brand span { color: var(--accent); }
.setup-progress-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}
.setup-progress-pip {
  width: 22px;
  height: 3px;
  border-radius: 2px;
  background: var(--border-dim);
  transition: background 0.3s;
}
.setup-progress-pip.done { background: var(--accent); }
.setup-progress-pip.active {
  background: linear-gradient(90deg, var(--accent), var(--teal));
  box-shadow: 0 0 8px rgba(200,160,88,0.4);
}

.setup-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 300;
  font-style: italic;
  font-size: 1.45rem;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-bottom: 6px;
}
.setup-subtitle {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 300;
  color: var(--dim);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.setup-choice-box {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.setup-choice-card {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  border-radius: 6px;
  border: 1px solid var(--border-dim);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015)),
    rgba(255,255,255,0.015);
  color: inherit;
  cursor: pointer;
  display: grid;
  gap: 8px;
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.setup-choice-card:hover,
.setup-choice-card:focus-visible {
  transform: translateY(-1px);
  border-color: var(--border-hi);
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  background:
    linear-gradient(180deg, rgba(200,160,88,0.08), rgba(255,255,255,0.018)),
    rgba(255,255,255,0.02);
}

.setup-choice-card.disabled,
.setup-choice-card:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none;
  box-shadow: none;
}

.setup-choice-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(200,160,88,0.25);
  background: rgba(200,160,88,0.08);
  color: var(--accent);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.setup-choice-badge--free {
  border-color: rgba(62,184,200,0.24);
  background: rgba(62,184,200,0.08);
  color: var(--teal);
}

.setup-choice-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--text);
}

.setup-choice-copy {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  line-height: 1.6;
  color: var(--dim);
}

.setup-choice-cta {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.setup-choice-note {
  margin-bottom: 20px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  color: var(--dim2);
  text-align: center;
}

.setup-auth-card {
  border: 1px solid rgba(62,184,200,0.18);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(62,184,200,0.05), rgba(255,255,255,0.018)),
    rgba(255,255,255,0.012);
  padding: 16px 18px;
  margin-bottom: 18px;
}

.setup-auth-head {
  margin-bottom: 14px;
}

.setup-auth-kicker {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 5px;
}

.setup-auth-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 4px;
}

.setup-auth-sub {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  line-height: 1.55;
  color: var(--dim);
}

.setup-auth-status,
.setup-auth-session-summary,
.setup-auth-message {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  line-height: 1.55;
  color: var(--dim);
}

.setup-auth-status {
  margin-bottom: 12px;
}

.setup-auth-mode-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.setup-auth-mode,
.setup-auth-submit,
.setup-auth-secondary {
  border-radius: 4px;
  border: 1px solid var(--border-dim);
  background: rgba(255,255,255,0.018);
  color: var(--text);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.setup-auth-mode {
  padding: 8px 12px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.setup-auth-mode.is-active {
  border-color: rgba(62,184,200,0.28);
  background: rgba(62,184,200,0.08);
  color: var(--teal);
}

.setup-auth-form {
  display: grid;
  gap: 10px;
}

.setup-auth-input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 4px;
  border: 1px solid var(--border-dim);
  background: rgba(0,0,0,0.16);
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 12px;
}

.setup-auth-input:focus {
  outline: none;
  border-color: rgba(62,184,200,0.34);
  box-shadow: 0 0 0 1px rgba(62,184,200,0.18);
}

.setup-auth-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.setup-auth-submit,
.setup-auth-secondary {
  padding: 10px 12px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.setup-auth-submit:hover,
.setup-auth-secondary:hover,
.setup-auth-mode:hover {
  transform: translateY(-1px);
  border-color: var(--border-hi);
  background: rgba(255,255,255,0.035);
}

.setup-auth-submit {
  color: var(--accent);
}

.setup-auth-secondary {
  color: var(--teal);
}

.setup-auth-message {
  min-height: 1.55em;
}

.setup-auth-session {
  display: grid;
  gap: 12px;
}

.setup-steps-box {
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  background: rgba(255,255,255,0.018);
  padding: 6px 0;
  margin-bottom: 18px;
}

.setup-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--border-dim);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.28s ease, transform 0.28s ease;
}
.setup-step:last-child { border-bottom: none; }
.setup-step.visible { opacity: 1; transform: translateX(0); }

.setup-step-num {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-lo);
  border: 1px solid rgba(200,160,88,0.2);
  border-radius: 2px;
  padding: 2px 6px;
  flex-shrink: 0;
  margin-top: 2px;
}
.setup-step-body { flex: 1; }
.setup-step-title {
  font-size: 12.5px;
  color: var(--text);
  margin-bottom: 2px;
  line-height: 1.4;
}
.setup-step-hint {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  font-weight: 300;
  color: var(--dim);
  line-height: 1.5;
}
.setup-step-hint a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(62,184,200,0.3);
}
.setup-step-hint a:hover { border-bottom-color: var(--teal); }
.setup-step-warn {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  color: var(--accent);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.setup-privacy {
  border: 1px solid rgba(76,175,130,0.18);
  border-radius: 4px;
  background: rgba(76,175,130,0.04);
  padding: 12px 18px;
  margin-bottom: 24px;
}
.setup-privacy-head {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
  opacity: 0.7;
}
.setup-privacy-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 300;
  color: var(--dim);
  padding: 3px 0;
}
.setup-privacy-check { color: var(--green); font-size: 12px; }

.setup-cta {
  width: 100%;
  padding: 12px 20px;
  background: linear-gradient(135deg, rgba(200,160,88,0.2) 0%, rgba(200,160,88,0.08) 100%);
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}
.setup-cta:hover {
  background: linear-gradient(135deg, rgba(200,160,88,0.3) 0%, rgba(200,160,88,0.15) 100%);
  box-shadow: 0 0 20px rgba(200,160,88,0.13);
  transform: translateY(-1px);
}
.setup-cta:active { transform: translateY(0); }

.setup-back {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  color: var(--dim2);
  text-align: center;
  cursor: pointer;
  transition: color 0.2s;
}
.setup-back:hover { color: var(--dim); }

/* ══════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════ */

#sidebar {
  /* flex child of #layout — pushes #app naturally */
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: rgba(8, 8, 14, 0.92);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border-right: 1px solid var(--border-dim);
  transition: width 0.25s cubic-bezier(0.2,0,0,1);
  overflow: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  z-index: 50;
  position: relative;
}
#sidebar::-webkit-scrollbar { display: none; }
#sidebar.open      { width: 240px; }
#sidebar.collapsed { width: 52px; }

@media (prefers-color-scheme: light) {
  #sidebar {
    background: rgba(248, 244, 234, 0.94);
    border-right-color: rgba(0,0,0,0.09);
  }
  .sb-list-item:hover { background: rgba(0,0,0,0.05); }
  .sb-list-item.active { background: var(--accent-lo); }
  .sb-profile-action {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.10);
  }
  .sb-profile-action:hover { background: rgba(0,0,0,0.09); }
  .sb-proj-count { background: rgba(0,0,0,0.08); }
  .sb-project-picker-btn,
  .sb-project-create-input,
  .sb-project-create-btn {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.12);
  }
  .sb-project-picker-btn:hover,
  .sb-project-create-input:focus,
  .sb-project-create-btn:hover {
    background: rgba(0,0,0,0.07);
    border-color: rgba(0,0,0,0.18);
  }
  .sb-study-center-btn {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.12);
  }
  .sb-study-center-btn:hover {
    background: rgba(0,0,0,0.07);
    border-color: rgba(0,0,0,0.2);
  }
  .study-search-wrap,
  .study-new-course-btn {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.12);
  }
  .study-hover-card {
    background: rgba(0,0,0,0.03);
    border-color: rgba(0,0,0,0.1);
  }
  .study-rag-section {
    background: transparent;
    border-color: transparent;
  }
}

.sb-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 0 10px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-dim);
  color: var(--dim);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s;
  flex-shrink: 0;
}
.sb-toggle:hover { color: var(--accent); }

.sb-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 0;
  color: var(--dim);
  font-size: 16px;
  cursor: pointer;
  transition: color 0.2s;
}
.sb-icon-btn:hover { color: var(--accent); }

.sb-section {
  border-bottom: 1px solid var(--border-dim);
  padding: 14px 16px;
  flex-shrink: 0;
}

.sb-section-projects {
  margin-top: auto;
}
.sb-section-study {
  border-bottom: 0;
  padding-top: 10px;
}

.sb-section-head {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim2);
  margin-bottom: 10px;
}
.sb-section-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sb-head-action {
  font-size: 10px;
  letter-spacing: 0;
  color: var(--dim);
  cursor: pointer;
  transition: color 0.2s;
}
.sb-head-action:hover { color: var(--accent); }

/* Profile */
.sb-profile-card {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.sb-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px; font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}
.sb-profile-info { flex: 1; min-width: 0; }
.sb-profile-name {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px; font-weight: 500;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sb-profile-role {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px; color: var(--dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sb-profile-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.sb-profile-action {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px; font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 3px 8px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.sb-profile-action:hover { color: var(--accent); border-color: var(--border); }

/* Lists */
.sb-list { display: flex; flex-direction: column; gap: 2px; }
.sb-empty {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  color: var(--dim2);
  padding: 4px 0;
  font-style: italic;
}
.sb-list-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 6px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}
.sb-list-item:hover { background: rgba(255,255,255,0.04); }
.sb-list-item.active { background: var(--accent-lo); border-left: 2px solid var(--accent); padding-left: 6px; }
.sb-chat-history-item { position: relative; }
.sb-chat-history-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.sb-chat-history-delete {
  opacity: 0;
  pointer-events: none;
  border: 0;
  background: transparent;
  color: #ff7f8f;
  font-size: 13px;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s, color 0.15s;
}
.sb-chat-history-item:hover .sb-chat-history-delete,
.sb-chat-history-item:focus-within .sb-chat-history-delete {
  opacity: 1;
  pointer-events: auto;
}
.sb-chat-history-delete:hover,
.sb-chat-history-delete:focus-visible {
  color: #ff5e74;
}
.sb-item-title {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  flex: 1; min-width: 0;
}
.sb-item-date {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9.5px;
  color: var(--dim2);
  flex-shrink: 0;
}
.sb-item-preview {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  color: var(--dim2);
  width: 100%;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  opacity: 0.7;
}

/* Projects */
.sb-proj-item { }
.sb-proj-icon { color: var(--dim); font-size: 12px; flex-shrink: 0; }
.sb-proj-count {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9.5px;
  color: var(--dim2);
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 1px 6px;
}
.sb-proj-del {
  color: #ff7f8f;
  font-size: 13px;
  flex-shrink: 0;
  transition: color 0.15s;
}
.sb-proj-del:hover { color: #ff5e74; }

.sb-project-picker-wrap {
  gap: 8px;
}

.sb-project-picker-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 7px 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.sb-project-picker-btn:hover {
  border-color: var(--border);
  background: rgba(255,255,255,0.05);
}
.sb-project-picker-main {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 4px 6px;
  flex-wrap: wrap;
  flex: 1;
}
.sb-project-picker-caret {
  color: var(--dim2);
  font-size: 10px;
  flex-shrink: 0;
}

.sb-project-picker-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sb-project-picker-item {
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
}

.sb-project-create-row {
  margin-top: 4px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 6px;
}
.sb-project-create-input {
  min-width: 0;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 11px;
  padding: 6px 8px;
}
.sb-project-create-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.05);
}
.sb-project-create-btn {
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 500;
  padding: 0 8px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.sb-project-create-btn:hover {
  border-color: var(--border);
  color: var(--accent);
}
.sb-project-create-btn-sec {
  color: var(--dim);
}

.sb-study-center-btn {
  width: 100%;
  border: 1px solid var(--border-dim);
  border-radius: 5px;
  background: rgba(255,255,255,0.025);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.sb-study-center-btn:hover {
  border-color: rgba(62,184,200,0.5);
  background: rgba(62,184,200,0.08);
}
.sb-study-center-icon {
  font-size: 14px;
  line-height: 1;
}
.sb-study-center-hover {
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  color: var(--teal);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: opacity 0.15s, max-width 0.15s;
}
.sb-study-center-btn:hover .sb-study-center-hover {
  opacity: 1;
  max-width: 140px;
}

@media (prefers-color-scheme: dark) {
  .sb-toggle,
  .sb-icon-btn {
    color: rgba(229, 234, 245, 0.9);
  }
  .sb-toggle:hover,
  .sb-icon-btn:hover {
    color: rgba(244, 248, 255, 0.98);
  }
  .sb-section-head {
    color: rgba(220, 224, 235, 0.78);
  }
  .sb-head-action {
    color: rgba(218, 223, 236, 0.86);
  }
  .sb-profile-role {
    color: rgba(218, 223, 236, 0.74);
  }
  .sb-empty {
    color: rgba(218, 223, 236, 0.72);
  }
  .sb-item-date {
    color: rgba(218, 223, 236, 0.78);
  }
  .sb-item-preview {
    color: rgba(228, 232, 242, 0.84);
    opacity: 0.92;
  }
  .sb-proj-count {
    color: rgba(232, 236, 246, 0.82);
  }
  .sb-profile-action,
  .sb-project-picker-btn,
  .sb-project-create-btn,
  .sb-study-center-btn {
    color: rgba(233, 237, 247, 0.92);
    border-color: rgba(188, 197, 216, 0.28);
  }
  .sb-project-create-btn-sec {
    color: rgba(224, 230, 242, 0.86);
  }
  .sb-profile-action:hover,
  .sb-project-picker-btn:hover,
  .sb-project-create-btn:hover,
  .sb-study-center-btn:hover {
    color: rgba(242, 246, 252, 0.98);
  }
  .logo-version {
    color: rgba(228, 233, 244, 0.86);
  }
  .status-hint {
    color: rgba(226, 231, 242, 0.84);
  }
  .status-badge {
    color: rgba(188, 255, 220, 0.95);
    border-color: rgba(116, 215, 165, 0.38);
    background: rgba(76,175,130,0.12);
  }
  .term-prompt {
    color: rgba(226, 184, 97, 0.98);
  }
  .home-input-enter {
    color: rgba(225, 231, 243, 0.84);
  }
  .chips-label {
    color: rgba(227, 232, 243, 0.82);
  }
  .chip {
    color: rgba(226, 231, 242, 0.9);
    border-color: rgba(192, 200, 219, 0.22);
  }
  .dot-trail {
    color: rgba(227, 232, 244, 0.8);
  }
  .chat-divider {
    color: rgba(227, 232, 243, 0.84);
  }
  .chat-input-row {
    border-top-color: rgba(206, 214, 231, 0.2);
    background: rgba(18, 22, 31, 0.92);
  }
  .chat-input-row:focus-within {
    border-color: rgba(233, 188, 95, 0.52);
    box-shadow: 0 -6px 18px rgba(233, 188, 95, 0.1);
  }
  .chat-prompt {
    color: rgba(236, 191, 97, 0.98);
    text-shadow: 0 0 10px rgba(236, 191, 97, 0.16);
  }
  .chat-panel-model {
    color: rgba(227, 233, 244, 0.88);
  }
  .chat-panel-model:hover,
  .chat-panel-model:focus-visible {
    color: rgba(244, 248, 255, 0.98);
  }
  .msg-sources {
    color: rgba(221, 227, 239, 0.78);
    opacity: 0.88;
  }
  .rag-tree .node-bar-empty,
  .rag-tree .node-tree {
    color: rgba(219, 225, 237, 0.74);
  }
  .rag-tree .dim,
  .resolver-trace-block {
    color: rgba(217, 223, 235, 0.7);
  }
  #chat-input {
    color: rgba(241, 245, 251, 0.98);
  }
  #chat-input::placeholder {
    color: rgba(219, 225, 237, 0.58);
  }
  .settings-back {
    color: rgba(222, 228, 241, 0.86);
  }
  .settings-section-head {
    color: rgba(224, 229, 241, 0.84);
  }
  .settings-inline-note,
  .settings-hero-sub,
  .settings-file-list,
  .settings-file-list .sf-size,
  .conn-desc {
    color: rgba(226, 231, 242, 0.84);
  }
  .settings-help-title {
    color: rgba(236, 195, 108, 0.95);
  }
  .settings-toggle-title {
    color: rgba(236, 240, 249, 0.95);
  }
  .settings-model-caret {
    color: rgba(222, 228, 241, 0.8);
  }
}

/* VM */
.sb-vm-dot { color: var(--green); font-size: 8px; flex-shrink: 0; }

/* ══════════════════════════════════════════════
   CHAT HISTORY BROWSER
   ══════════════════════════════════════════════ */

.chat-history-browser {
  display: none;
  flex: 1;
  min-height: 0;
  flex-direction: column;
  background:
    radial-gradient(circle at top left, rgba(200,160,88,0.08), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent 30%);
}
.chat-history-browser.open { display: flex; }

.chat-panel-history-mode {
  box-shadow:
    0 10px 40px rgba(0,0,0,0.46),
    0 0 0 1px rgba(200,160,88,0.08) inset;
}

.chat-history-topbar {
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0));
  flex-shrink: 0;
}

.chat-history-topcopy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chat-history-eyebrow {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.chat-history-subtitle {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  line-height: 1.55;
  color: var(--dim);
  max-width: 520px;
}

.chat-history-topactions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.chat-history-meta {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: var(--dim2);
  letter-spacing: 0.04em;
}

.chat-history-layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  overflow: hidden;
}

.hp-list {
  min-width: 0;
  border-right: 1px solid var(--border-dim);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}

.hp-list-header {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  gap: 8px;
}

.hp-list-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim2);
  flex: 1;
}

.chat-history-count {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: var(--accent);
  background: var(--accent-lo);
  border: 1px solid var(--border);
  border-radius: 999px;
  min-width: 24px;
  text-align: center;
  padding: 2px 7px;
}

.hp-sessions {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--dim2) transparent;
}
.hp-sessions::-webkit-scrollbar { width: 4px; }
.hp-sessions::-webkit-scrollbar-thumb { background: var(--dim2); border-radius: 2px; }

.hp-session-item {
  padding: 9px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  border: 1px solid transparent;
  margin-bottom: 3px;
}
.hp-session-item:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.05);
  transform: translateY(-1px);
}
.hp-session-head {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.hp-session-item.active {
  background: var(--accent-lo);
  border-color: var(--border);
}
.hp-session-delete {
  opacity: 0;
  pointer-events: none;
  border: 0;
  background: transparent;
  color: #ff7f8f;
  font-size: 15px;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.15s, color 0.15s;
}
.hp-session-item:hover .hp-session-delete,
.hp-session-item:focus-within .hp-session-delete {
  opacity: 1;
  pointer-events: auto;
}
.hp-session-delete:hover,
.hp-session-delete:focus-visible {
  color: #ff5e74;
}

.hp-session-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.hp-session-meta {
  font-size: 10px;
  color: var(--dim);
  font-family: 'Inter', system-ui, sans-serif;
  margin-bottom: 3px;
}

.hp-session-preview {
  font-size: 11px;
  color: var(--dim);
  font-family: 'Inter', system-ui, sans-serif;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.hp-fs-row {
  padding: 10px 14px;
  border-top: 1px solid var(--border-dim);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hp-fs-status {
  font-size: 9px;
  color: var(--green);
  font-family: 'Inter', system-ui, sans-serif;
  letter-spacing: 0.06em;
}

.hp-fs-btn {
  background: none;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  color: var(--dim);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  padding: 4px 9px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.hp-fs-btn:hover { color: var(--accent); border-color: var(--border); }

.hp-fs-label {
  font-size: 9px;
  color: var(--dim);
  font-family: 'Inter', system-ui, sans-serif;
  letter-spacing: 0.05em;
}

.hp-detail {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent 22%);
}

.hp-detail-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-shrink: 0;
  gap: 12px;
}

.chat-history-detail-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hp-detail-title {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-style: italic;
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hp-detail-meta {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: var(--dim);
  flex-shrink: 0;
}

.hp-detail-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.hp-btn {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--dim);
  background: none;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.hp-btn:hover { color: var(--accent); border-color: var(--border); }

.hp-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--dim2) transparent;
}
.hp-messages::-webkit-scrollbar { width: 4px; }
.hp-messages::-webkit-scrollbar-thumb { background: var(--dim2); border-radius: 2px; }

.hp-msg { max-width: 720px; display: flex; flex-direction: column; }
.hp-msg.user { align-self: flex-end; align-items: flex-end; }
.hp-msg.bot  { align-self: flex-start; align-items: flex-start; }

.hp-msg-role {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 5px;
}
.hp-msg.user .hp-msg-role { color: var(--accent); }

.hp-msg-text {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  line-height: 1.68;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  padding: 11px 15px;
  border-radius: 8px;
}
.hp-msg.user .hp-msg-text {
  background: var(--accent-lo);
  border: 1px solid var(--border);
  border-radius: 10px 2px 10px 10px;
}
.hp-msg.bot .hp-msg-text {
  background: var(--glass);
  border: 1px solid var(--border-dim);
  border-radius: 2px 10px 10px 10px;
}

.hp-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: var(--dim);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.hp-empty-icon {
  font-size: 28px;
  opacity: 0.35;
  margin-bottom: 4px;
}

@media (max-width: 980px) {
  .chat-history-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(200px, 40%) minmax(0, 1fr);
  }

  .hp-list {
    border-right: none;
    border-bottom: 1px solid var(--border-dim);
  }
}

@media (max-width: 640px) {
  .chat-history-topbar,
  .hp-detail-header {
    padding-left: 14px;
    padding-right: 14px;
  }

  .chat-history-topbar,
  .hp-detail-header {
    flex-direction: column;
    align-items: stretch;
  }

  .chat-history-topactions,
  .hp-detail-actions {
    justify-content: flex-start;
  }

  .hp-messages {
    padding: 16px 14px 20px;
  }
}

/* Dark mode — boost history panel text contrast
   (--dim/#5a5468 is too faint against near-black backgrounds) */
@media (prefers-color-scheme: dark) {
  .chat-history-subtitle,
  .chat-history-meta,
  .hp-list-title,
  .hp-session-meta,
  .hp-session-preview,
  .hp-detail-meta,
  .hp-msg-role,
  .hp-empty,
  .hp-fs-label,
  .hp-btn,
  .hp-fs-btn {
    color: rgba(221, 216, 192, 0.50);
  }
  .hp-btn:hover,
  .hp-fs-btn:hover { color: var(--accent); }
}

/* ══════════════════════════════════════════════
   VM OVERLAY
   ══════════════════════════════════════════════ */

/* Force dark-theme color tokens inside the VM — overrides light-mode CSS variables
   so text is always readable on the dark desktop background. */
#vm-overlay {
  --bg:         #07070f;
  --surface:    rgba(13, 13, 22, 0.80);
  --surface2:   rgba(20, 20, 36, 0.90);
  --text:       #ddd8c0;
  --dim:        #9690a8;
  --dim2:       #4d4a5a;
  --accent:     #c8a058;
  --accent-lo:  rgba(200,160,88,0.10);
  --accent-mid: rgba(200,160,88,0.22);
  --green:      #4caf82;
  --green-lo:   rgba(76,175,130,0.12);
  --red:        #cf6679;
  --teal:       #3eb8c8;
  --teal-lo:    rgba(62,184,200,0.10);
  --purple:     #8b6cc4;
  --border:     rgba(200,160,88,0.15);
  --border-hi:  rgba(200,160,88,0.28);
  --border-dim: rgba(255,255,255,0.06);
  --glass:      rgba(255,255,255,0.035);
  /* ── Surface tokens — flip these for light mode ── */
  --vm-app:      rgba(5,5,10,0.98);
  --vm-toolbar:  rgba(255,255,255,0.025);
  --vm-sep:      rgba(255,255,255,0.05);
  --vm-hover:    rgba(255,255,255,0.05);
  --vm-hover2:   rgba(255,255,255,0.08);
  --vm-input:    rgba(255,255,255,0.05);
  --vm-input-br: rgba(255,255,255,0.08);
  --vm-card:     rgba(255,255,255,0.035);
  --vm-card-br:  rgba(255,255,255,0.07);
  /* ── Agent-console colour tokens ─────────────── */
  --ac-bg:       rgba(7,9,14,0.98);
  --ac-composer: rgba(3,5,9,0.98);
  --ac-status:   rgba(0,0,0,0.22);
  --ac-text:     #d8d1bd;
  --ac-meta:     #8c8374;
  --ac-meta-user:#66b7c5;
  --ac-meta-asst:#d6b06a;
  --ac-meta-tool:#93c68f;
  --ac-caret:    #445;
  --ac-tool-name:#93c68f;
  --ac-tool-args:#556;
  --ac-tool-fg:  #778;
  --ac-tool-br:  #334;
  --ac-tool-bg:  rgba(0,0,0,0.18);

  position: fixed; inset: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  background: #06060e;
  color-scheme: dark;
  overflow: hidden;
}

/* Top menu bar */
.vm-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 30px;
  padding: 0 14px;
  background: rgba(10,10,18,0.96);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  z-index: 2;
  user-select: none;
  -webkit-user-select: none;
}
.vm-topbar-left  { display: flex; align-items: center; gap: 14px; }
.vm-topbar-right { display: flex; align-items: center; gap: 14px; }

.vm-topbar-logo {
  font-size: 15px;
  color: var(--accent);
  font-weight: 700;
  font-family: 'Courier New', monospace;
}
.vm-topbar-osname {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px; font-weight: 600;
  color: var(--text);
  letter-spacing: 0.05em;
}

.vm-app-menu { display: flex; align-items: center; gap: 2px; }
.vm-menu-item {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px;
  color: var(--dim);
  padding: 3px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.vm-menu-item:hover { background: rgba(255,255,255,0.06); color: var(--text); }

.vm-clock, .vm-topbar-user {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px; font-weight: 500;
  color: var(--dim);
  letter-spacing: 0.04em;
}
.vm-topbar-user { color: var(--text); }

.vm-exit-btn {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: var(--dim);
  background: rgba(207,102,121,0.08);
  border: 1px solid rgba(207,102,121,0.2);
  border-radius: 3px;
  padding: 2px 10px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.vm-exit-btn:hover { background: rgba(207,102,121,0.18); color: var(--red); }

/* Desktop area — Windows 11 / macOS hybrid wallpaper */
.vm-desktop {
  flex: 1;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 65% at 22% 78%, rgba(90,50,200,0.50) 0%, transparent 60%),
    radial-gradient(ellipse 55% 55% at 82% 18%, rgba(30,110,230,0.42) 0%, transparent 55%),
    radial-gradient(ellipse 48% 48% at 62% 88%, rgba(170,60,130,0.32) 0%, transparent 48%),
    radial-gradient(ellipse 36% 36% at 42% 35%, rgba(40,170,160,0.20) 0%, transparent 42%),
    #08080f;
}

.vm-desktop-icons {
  position: absolute;
  inset: 18px;
  z-index: 1;
  user-select: none;
  -webkit-user-select: none;
}

.vm-desktop-item {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 84px;
  min-height: 84px;
  padding: 8px 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: default;
  color: var(--text);
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
}

.vm-desktop-item:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
}

.vm-desktop-item:focus {
  outline: none;
  background: rgba(200,160,88,0.08);
  border-color: rgba(200,160,88,0.2);
}

.vm-desktop-item.selected {
  background: rgba(100,140,255,0.15);
  border-color: rgba(100,140,255,0.4);
}

/* Rubber-band selection rectangle */
.vm-select-rect {
  position: absolute;
  background: rgba(100,140,255,0.10);
  border: 1px solid rgba(100,140,255,0.55);
  border-radius: 3px;
  pointer-events: none;
  z-index: 9999;
}

.vm-desktop-item-icon {
  font-size: 34px;
  line-height: 1;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.5));
}

.vm-desktop-item-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10.5px;
  line-height: 1.35;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 1px 4px rgba(0,0,0,0.8), 0 0 12px rgba(0,0,0,0.6);
  word-break: break-word;
}

/* Windows — macOS-style chrome */
.vm-window {
  position: absolute;
  min-width: 300px; min-height: 200px;
  display: flex; flex-direction: column;
  background: rgba(14, 14, 24, 0.93);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  box-shadow:
    0 8px 24px rgba(0,0,0,0.55),
    0 28px 72px rgba(0,0,0,0.50),
    0 0 0 0.5px rgba(255,255,255,0.06) inset;
  overflow: hidden;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.vm-window.focused {
  border-color: rgba(255,255,255,0.16);
  box-shadow:
    0 10px 30px rgba(0,0,0,0.65),
    0 36px 90px rgba(0,0,0,0.60),
    0 0 0 0.5px rgba(255,255,255,0.10) inset;
}

.vm-titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px 9px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  cursor: move;
  user-select: none;
  -webkit-user-select: none;
}

/* Window controls — macOS traffic lights */
.vm-controls { display: flex; align-items: center; gap: 7px; }
.vm-ctrl {
  width: 12px; height: 12px;
  border-radius: 50%;
  cursor: pointer;
  flex-shrink: 0;
  transition: filter 0.12s, transform 0.1s;
}
.vm-ctrl:hover { filter: brightness(1.18); transform: scale(1.1); }
.vm-ctrl-close { background: #FF5F57; box-shadow: 0 0 0 0.5px rgba(0,0,0,0.3); }
.vm-ctrl-min   { background: #FEBC2E; box-shadow: 0 0 0 0.5px rgba(0,0,0,0.25); }
.vm-ctrl-max   { background: #28C840; box-shadow: 0 0 0 0.5px rgba(0,0,0,0.25); }

.vm-resize-handle {
  position: absolute;
  z-index: 5;
}
.vm-resize-n,
.vm-resize-s {
  left: 10px;
  right: 10px;
  height: 8px;
  cursor: ns-resize;
}
.vm-resize-n { top: -3px; }
.vm-resize-s { bottom: -3px; }
.vm-resize-e,
.vm-resize-w {
  top: 10px;
  bottom: 10px;
  width: 8px;
  cursor: ew-resize;
}
.vm-resize-e { right: -3px; }
.vm-resize-w { left: -3px; }
.vm-resize-ne,
.vm-resize-nw,
.vm-resize-se,
.vm-resize-sw {
  width: 14px;
  height: 14px;
}
.vm-resize-ne {
  top: -4px;
  right: -4px;
  cursor: nesw-resize;
}
.vm-resize-nw {
  top: -4px;
  left: -4px;
  cursor: nwse-resize;
}
.vm-resize-se {
  right: -4px;
  bottom: -4px;
  cursor: nwse-resize;
}
.vm-resize-sw {
  left: -4px;
  bottom: -4px;
  cursor: nesw-resize;
}

.vm-win-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11.5px; font-weight: 500;
  color: rgba(255,255,255,0.55);
  flex: 1;
  text-align: center;
  pointer-events: none;
  letter-spacing: 0.01em;
}

.vm-win-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Taskbar — Windows 11 / macOS hybrid */
.vm-dock {
  height: 52px;
  background: rgba(8,8,16,0.88);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  flex-shrink: 0;
  gap: 10px;
  user-select: none;
  -webkit-user-select: none;
}
.vm-dock-left {
  display: flex; align-items: center; gap: 8px;
  flex: 1; min-width: 0;
}
.vm-dock-center {
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  gap: 0;
}
.vm-dock-right {
  display: flex; align-items: center; gap: 12px;
  flex: 1; justify-content: flex-end;
}

/* Start button — Σ centered in dock */
.vm-start-btn {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 10px;
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-right: 8px;
  transition: background 0.15s, box-shadow 0.15s;
  box-shadow: 0 0 0 0 rgba(var(--accent-rgb, 180,130,60), 0);
}
.vm-start-btn:hover {
  background: rgba(255,255,255,0.14);
  box-shadow: 0 0 12px 2px rgba(180,130,60,0.18);
}

/* Open/minimized windows strip */
.vm-dock-open { display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; overflow: hidden; }

/* Pinned apps */
.vm-dock-apps {
  display: flex; align-items: center; gap: 2px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 3px 6px;
}

.vm-dock-btn {
  display: flex; flex-direction: column;
  align-items: center; gap: 1px;
  padding: 5px 11px 4px;
  border-radius: 7px;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s;
}
.vm-dock-btn:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }
.vm-dock-icon { font-size: 19px; line-height: 1; }
.vm-dock-label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 8px; color: rgba(255,255,255,0.42);
  letter-spacing: 0.04em;
}

.vm-dock-minimized {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px; font-weight: 500;
  color: var(--dim);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 5px;
  padding: 4px 10px;
  cursor: pointer;
  white-space: nowrap;
  max-width: 100px;
  overflow: hidden; text-overflow: ellipsis;
  transition: background 0.15s, color 0.15s;
}
.vm-dock-minimized:hover { background: rgba(255,255,255,0.11); color: var(--text); }

/* System tray */
.vm-dock-user {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px; color: rgba(255,255,255,0.5);
  padding: 4px 8px;
  border-radius: 5px;
  background: rgba(255,255,255,0.04);
  cursor: default;
  white-space: nowrap;
}
.vm-dock-datetime {
  display: flex; flex-direction: column; align-items: flex-end; gap: 0;
  cursor: default;
}
.vm-dock-time {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px; font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.04em; line-height: 1.3;
}
.vm-dock-date {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9.5px;
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.03em; line-height: 1.2;
}

/* Legacy clock — kept for compatibility */
.vm-dock-clock {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px; font-weight: 500;
  color: var(--dim);
  letter-spacing: 0.06em;
}

/* ── Terminal App ─────────────────────────── */
.vm-terminal {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: rgba(5, 5, 10, 0.98);
  overflow: hidden;
}
.vm-term-output {
  flex: 1;
  overflow-y: auto;
  overflow-x: auto;
  padding: 10px 14px 4px;
  font-family: 'Courier New', monospace;
  font-size: 12.5px;
  line-height: 1.55;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}
.vm-term-line { color: var(--text); white-space: pre-wrap; word-break: break-all; }
.vm-term-line.cmd  { color: var(--dim); }
.vm-term-line.ok   { color: var(--green); }
.vm-term-line.err  { color: var(--red); }
.vm-term-line.art  {
  color: #b7fff4;
  text-shadow: 0 0 8px rgba(132, 246, 226, 0.18);
}
.vm-term-line.ansi {
  white-space: pre;
  word-break: normal;
  line-height: 1;
}
.vm-term-line.ansi > span {
  white-space: pre;
}

.vm-term-input-row {
  display: flex;
  align-items: center;
  padding: 6px 14px 10px;
  border-top: 1px solid rgba(255,255,255,0.05);
  gap: 6px;
}
.vm-term-prompt {
  font-family: 'Courier New', monospace;
  font-size: 12.5px;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}
.vm-term-input {
  flex: 1;
  background: transparent;
  border: none; outline: none;
  font-family: 'Courier New', monospace;
  font-size: 12.5px;
  color: var(--text);
  caret-color: var(--accent);
}

/* ── Browser App ─────────────────────────── */
.vm-browser {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: rgba(5,5,10,0.98);
  overflow: hidden;
}
.vm-browser-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 10px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
}
.vm-browser-nav {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dim);
  border-radius: 3px;
  padding: 2px 8px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.vm-browser-nav:hover { color: var(--text); background: rgba(255,255,255,0.08); }
.vm-browser-lock {
  font-size: 11px;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
  color: var(--dim2);
}
.vm-browser-lock.lock-secure { color: var(--green); }
.vm-browser-lock.lock-warn   { color: #e0a040; }
.vm-url-input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 4px 10px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  min-width: 0;
}
.vm-url-input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.07);
}
.vm-browser-go {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-lo);
  border: 1px solid rgba(200,160,88,0.25);
  border-radius: 3px;
  padding: 4px 12px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s;
}
.vm-browser-go:hover { background: var(--accent-mid); }
.vm-browser-status {
  font-family: 'Courier New', monospace;
  font-size: 9.5px;
  color: var(--dim2);
  padding: 2px 10px;
  height: 18px;
  flex-shrink: 0;
  background: rgba(0,0,0,0.15);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vm-browser-status.status-err { color: #e05050; }
/* Home page rendered in parent DOM — no iframe sandboxing issues */
.vm-browser-home {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background: #07070f;
}
.vbh-logo { font-size: 38px; color: var(--accent); letter-spacing: 3px; }
.vbh-sub  { font-size: 11px; color: var(--dim2); letter-spacing: 2px; text-transform: uppercase; }
.vbh-grid { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; max-width: 420px; }
.vbh-link {
  padding: 6px 14px;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 11px;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s;
}
.vbh-link:hover { background: var(--accent-lo); }
.vbh-hint { font-size: 9px; color: var(--dim2); opacity: 0.5; letter-spacing: 1px; }

.vm-frame-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}
.vm-iframe {
  width: 100%; height: 100%;
  border: none;
  background: #fff;
}
.vm-blocked {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 14px;
  background: rgba(5,5,10,0.98);
}
.vm-blocked-icon { font-size: 36px; color: var(--dim2); }
.vm-blocked-msg {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px; color: var(--dim);
  text-align: center; line-height: 1.6;
}
.vm-blocked-msg strong { color: var(--text); }
.vm-blocked-actions { display: flex; gap: 10px; }
.vm-blocked-btn {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-lo);
  border: 1px solid rgba(200,160,88,0.25);
  border-radius: 3px;
  padding: 7px 16px;
  cursor: pointer;
  transition: background 0.15s;
}
.vm-blocked-btn:hover { background: var(--accent-mid); }
.vm-blocked-btn-sec {
  color: var(--teal);
  background: var(--teal-lo);
  border-color: rgba(62,184,200,0.2);
}
.vm-blocked-btn-sec:hover { background: rgba(62,184,200,0.12); }

/* ── Files App ───────────────────────────── */
.vm-files {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: rgba(5,5,10,0.98);
  overflow: hidden;
  position: relative;
}
.vm-files-nav {
  padding: 8px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.vm-files-path {
  font-family: 'Courier New', monospace;
  font-size: 11.5px;
  color: var(--dim);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.vm-files-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}
.vm-files-btn {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: var(--accent);
  background: var(--accent-lo);
  border: 1px solid rgba(200,160,88,0.25);
  border-radius: 4px;
  padding: 5px 10px;
  cursor: pointer;
}
.vm-files-btn:hover { background: var(--accent-mid); }
.vm-files-btn-sec {
  color: var(--teal);
  background: var(--teal-lo);
  border-color: rgba(62,184,200,0.22);
}
.vm-files-btn-sec:hover { background: rgba(62,184,200,0.12); }
.vm-files-btn-ghost {
  color: var(--dim);
  background: rgba(255,255,255,0.04);
  border-color: var(--border-dim);
}
.vm-files-btn-ghost:hover { background: rgba(255,255,255,0.08); color: var(--text); }
.vm-files-status {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: var(--dim2);
}
.vm-files-grid {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
  padding: 16px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}
.vm-files.vm-files-drop-target {
  outline: 1px dashed rgba(200, 160, 88, 0.55);
  outline-offset: -10px;
  background: rgba(200, 160, 88, 0.06);
}
.vm-files-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 4px;
  width: 88px;
  padding: 12px 8px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
  border: 1px solid transparent;
}
.vm-files-item:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border-dim);
}
.vm-files-icon { font-size: 28px; line-height: 1; }
.vm-files-name {
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: var(--text);
  text-align: center;
  word-break: break-all;
  line-height: 1.3;
}
.vm-files-size {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 9px;
  color: var(--dim2);
}

body.file-drop-active::after {
  content: attr(data-drop-scope);
  position: fixed;
  inset: 18px;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  border: 1px dashed rgba(200, 160, 88, 0.65);
  background: rgba(5, 8, 14, 0.72);
  color: rgba(248, 236, 214, 0.96);
  font: 600 12px/1.2 "Courier New", monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  pointer-events: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

body[data-drop-scope="cache"].file-drop-active::after { content: "Drop To Cache"; }
body[data-drop-scope="desktop"].file-drop-active::after { content: "Drop To Desktop"; }
body[data-drop-scope="folder"].file-drop-active::after { content: "Drop Into Folder"; }

.global-drop-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10001;
  max-width: min(480px, calc(100vw - 36px));
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(200, 160, 88, 0.28);
  background: rgba(9, 13, 20, 0.92);
  color: var(--text);
  font: 500 12px/1.4 "Inter", system-ui, sans-serif;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
}

.global-drop-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.global-drop-toast[data-tone="err"] {
  border-color: rgba(207, 102, 121, 0.35);
}

/* File viewer overlay inside Files app */
.vm-file-viewer {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  background: rgba(6,6,14,0.98);
  z-index: 5;
}
.vm-fv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--dim);
  flex-shrink: 0;
}
.vm-fv-close {
  background: transparent;
  border: none;
  color: var(--dim);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
}
.vm-fv-close:hover { color: var(--red); background: rgba(207,102,121,0.1); }
.vm-fv-body {
  flex: 1;
  overflow: auto;
  padding: 14px;
  font-family: 'Courier New', monospace;
  font-size: 11.5px;
  color: var(--text);
  line-height: 1.7;
  white-space: pre-wrap;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}
.vm-editor-area {
  flex: 1;
  width: 100%;
  resize: none;
  border: none;
  outline: none;
  padding: 18px;
  background: rgba(8,8,14,0.98);
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.65;
}

/* ── Notes App ───────────────────────────────────── */
.vm-notes-app {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden; background: var(--vm-app);
}
.vm-notes-toolbar {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px;
  background: var(--vm-toolbar);
  border-bottom: 1px solid var(--vm-sep);
  flex-shrink: 0;
}
.vm-notes-btn {
  font-family: 'Courier New', monospace; font-size: 10px;
  color: var(--dim); background: var(--vm-hover);
  border: 1px solid var(--border-dim); border-radius: 3px;
  padding: 3px 10px; cursor: pointer;
  transition: color 0.15s, background 0.15s;
}
.vm-notes-btn:hover { color: var(--text); background: var(--vm-hover2); }
.vm-notes-status {
  font-family: 'Courier New', monospace; font-size: 10px;
  color: var(--dim); margin-left: auto;
}
.vm-notes-area {
  flex: 1; width: 100%; resize: none;
  border: none; outline: none;
  font-family: 'Courier New', monospace;
  font-size: 12.5px; line-height: 1.65;
  color: var(--text); background: transparent;
  padding: 16px 18px;
  caret-color: var(--accent);
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}

/* ── Chat History App ────────────────────────────── */
.vm-chat-app {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden; background: var(--vm-app);
  font-family: 'Inter', system-ui, sans-serif;
}
.vm-chat-header {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--vm-sep);
  flex-shrink: 0;
}
.vm-chat-header-title {
  font-size: 12px; font-weight: 600; color: var(--text);
  letter-spacing: 0.02em;
}
.vm-chat-header-sub {
  font-size: 10px; color: var(--dim);
}
.vm-chat-list {
  flex: 1; overflow-y: auto;
  padding: 10px;
  display: flex; flex-direction: column; gap: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}
.vm-chat-session {
  background: var(--vm-card);
  border: 1px solid var(--vm-card-br);
  border-radius: 7px; padding: 10px 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.vm-chat-session:hover { background: var(--vm-hover2); border-color: var(--vm-card-br); }
.vm-chat-session-title {
  font-size: 12px; font-weight: 500; color: var(--text);
  margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.vm-chat-session-preview {
  font-size: 10.5px; color: var(--dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-bottom: 4px;
}
.vm-chat-session-date { font-size: 9.5px; color: var(--dim2); }
.vm-chat-empty {
  flex: 1; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 10px;
  color: var(--dim); font-size: 12px; letter-spacing: 0.06em;
}
.vm-chat-empty-icon { font-size: 30px; opacity: 0.3; }
.vm-chat-footer {
  padding: 10px 12px;
  border-top: 1px solid var(--vm-sep);
  flex-shrink: 0;
}
.vm-chat-new-btn {
  width: 100%; padding: 8px;
  background: var(--accent-lo);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--accent);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px; font-weight: 500;
  cursor: pointer; letter-spacing: 0.04em;
  transition: background 0.15s;
}
.vm-chat-new-btn:hover { background: rgba(200,160,88,0.12); }

/* ── VM Settings App ─────────────────────────────── */
/* ── VM Settings App — redesigned ─────────────────────────── */
.vm-stg-root {
  flex: 1; min-height: 0;
  display: flex; overflow: hidden;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
}

/* Sidebar */
.vm-stg-sidebar {
  width: 112px; flex-shrink: 0;
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 8px;
  background: rgba(0,0,0,0.30);
  border-right: 1px solid rgba(255,255,255,0.055);
  overflow-y: auto; scrollbar-width: none;
}
.vm-stg-sidebar::-webkit-scrollbar { display: none; }

/* Sidebar mini-profile */
.vm-stg-side-profile {
  display: flex; flex-direction: column; align-items: center;
  gap: 7px; padding: 6px 0 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 10px;
}
.vm-stg-side-avatar {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 600; letter-spacing: -0.02em;
  color: var(--accent);
  background: radial-gradient(circle at 35% 35%, var(--accent-lo), rgba(139,108,196,0.18));
  border: 1.5px solid var(--border);
}
.vm-stg-side-name {
  font-size: 10px; font-weight: 600; color: var(--text);
  text-align: center; max-width: 90px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* Nav items */
.vm-stg-nav-item {
  display: flex; flex-direction: column; align-items: center;
  gap: 4px; padding: 8px 6px 7px; border-radius: 8px; cursor: pointer;
  transition: background 0.12s, color 0.12s; color: var(--dim);
}
.vm-stg-nav-item:hover   { background: rgba(255,255,255,0.045); color: var(--text); }
.vm-stg-nav-item.active  { background: var(--accent-lo); color: var(--accent); }
.vm-stg-nav-icon         { font-size: 16px; line-height: 1; }
.vm-stg-nav-label        { font-size: 9px; font-weight: 600; letter-spacing: 0.04em; text-align: center; }

/* Content area */
.vm-stg-content {
  flex: 1; min-width: 0; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px 14px 14px;
  scrollbar-width: thin; scrollbar-color: var(--border-dim) transparent;
}

/* Panes — only .active is shown */
.vm-stg-pane               { display: none; flex-direction: column; gap: 10px; }
.vm-stg-pane.active        { display: flex; }
.vm-stg-pane-title         { font-size: 14px; font-weight: 700; color: var(--text); padding: 2px 0 4px; letter-spacing: -0.01em; }

/* Profile hero header */
.vm-stg-profile-hdr {
  display: flex; align-items: center; gap: 14px;
  padding: 16px;
  background: rgba(255,255,255,0.024);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
}
.vm-stg-avatar {
  width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; color: var(--accent);
  background: radial-gradient(circle at 35% 35%, var(--accent-lo), rgba(139,108,196,0.20));
  border: 1.5px solid var(--border);
}
.vm-stg-hdr-info           { flex: 1; min-width: 0; }
.vm-stg-hdr-name           { font-size: 15px; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.vm-stg-hdr-email          { font-size: 11px; color: var(--dim); margin-top: 3px; }

/* Cards */
.vm-stg-card {
  background: rgba(255,255,255,0.026);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 11px; overflow: hidden;
}
.vm-stg-card-title {
  font-size: 9px; font-weight: 700; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--accent);
  padding: 10px 14px 7px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Rows inside cards */
.vm-stg-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 10px 14px; min-height: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.vm-stg-row:last-child { border-bottom: none; }
.vm-stg-row-info       { flex: 1; min-width: 0; }
.vm-stg-row-label      { font-size: 12px; font-weight: 500; color: var(--text); }
.vm-stg-row-desc       { font-size: 10px; color: var(--dim); margin-top: 2px; line-height: 1.45; }
.vm-stg-row-value      { font-size: 11px; color: var(--dim); text-align: right; flex-shrink: 0; }

/* Inputs */
.vm-stg-input {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10); border-radius: 7px;
  color: var(--text); font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px; padding: 6px 10px; outline: none;
  width: 168px; flex-shrink: 0;
  transition: border-color 0.15s, background 0.15s;
}
.vm-stg-input:focus        { border-color: var(--accent); background: rgba(255,255,255,0.09); }
.vm-stg-input::placeholder { color: var(--dim2); }
.vm-stg-select {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10); border-radius: 7px;
  color: var(--text); font-family: 'Inter', system-ui, sans-serif;
  font-size: 11px; padding: 6px 10px; outline: none; cursor: pointer;
  flex-shrink: 0; transition: border-color 0.15s;
}
.vm-stg-select:focus { border-color: var(--accent); }

/* API key wrapper */
.vm-stg-key-wrap  { position: relative; display: flex; align-items: center; flex-shrink: 0; }
.vm-stg-key-input { width: 168px; padding-right: 30px; }
.vm-stg-eye-btn {
  position: absolute; right: 8px; background: none; border: none;
  cursor: pointer; color: var(--dim); padding: 0; line-height: 1;
  display: flex; align-items: center;
  transition: color 0.12s, opacity 0.12s;
}
.vm-stg-eye-btn:hover { color: var(--text); }

/* Status indicator */
.vm-stg-status-cell        { display: flex; align-items: center; flex-shrink: 0; }
.vm-stg-status-wrap        { display: flex; align-items: center; gap: 6px; font-size: 11px; }
.vm-stg-status-dot         { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.vm-stg-status-wrap.ok  .vm-stg-status-dot { background: var(--green); box-shadow: 0 0 5px rgba(76,175,130,0.55); }
.vm-stg-status-wrap.ok  .vm-stg-status-lbl { color: var(--green); }
.vm-stg-status-wrap.err .vm-stg-status-dot { background: var(--red); }
.vm-stg-status-wrap.err .vm-stg-status-lbl { color: var(--dim); }

/* Connector badge */
.vm-stg-conn-badge     { font-size: 11px; color: var(--dim); flex-shrink: 0; }
.vm-stg-conn-badge.on  { color: var(--green); }

/* Toggle switches (iOS-style) */
.vm-stg-toggle { position: relative; display: inline-block; width: 36px; height: 20px; flex-shrink: 0; }
.vm-stg-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.vm-stg-toggle-track {
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; cursor: pointer;
  transition: background 0.22s, border-color 0.22s;
}
.vm-stg-toggle-track::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: rgba(255,255,255,0.50); border-radius: 50%;
  transition: transform 0.22s, background 0.22s;
}
.vm-stg-toggle input:checked + .vm-stg-toggle-track { background: var(--accent); border-color: transparent; }
.vm-stg-toggle input:checked + .vm-stg-toggle-track::after { transform: translateX(16px); background: #fff; }

/* Save button */
.vm-stg-save-btn {
  background: var(--accent-lo); border: 1px solid var(--border); border-radius: 9px;
  color: var(--accent); font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em;
  padding: 11px 0; cursor: pointer; margin-top: auto; flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.vm-stg-save-btn:hover { background: var(--accent-mid); border-color: var(--border-hi); }
.vm-stg-save-btn.saved { background: var(--green-lo); border-color: var(--green); color: var(--green); }

/* Light theme overrides */
@media (prefers-color-scheme: light) {
  .vm-stg-sidebar       { background: rgba(0,0,0,0.06); }
  .vm-stg-card          { background: rgba(0,0,0,0.032); border-color: rgba(0,0,0,0.10); }
  .vm-stg-profile-hdr   { background: rgba(0,0,0,0.028); border-color: rgba(0,0,0,0.09); }
  .vm-stg-input         { background: rgba(0,0,0,0.05);  border-color: rgba(0,0,0,0.15); }
  .vm-stg-input:focus   { background: rgba(0,0,0,0.07); }
  .vm-stg-select        { background: rgba(0,0,0,0.05);  border-color: rgba(0,0,0,0.15); }
  .vm-stg-toggle-track  { background: rgba(0,0,0,0.14);  border-color: rgba(0,0,0,0.10); }
  .vm-stg-toggle-track::after { background: rgba(0,0,0,0.45); }
  .vm-stg-toggle input:checked + .vm-stg-toggle-track::after { background: #fff; }
}

/* ── VM Extensions App ───────────────────────────── */
.vm-extensions-app {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 16px;
  background:
    radial-gradient(circle at top right, rgba(216,166,75,0.12), transparent 30%),
    rgba(7,7,14,0.97);
  font-family: 'Inter', system-ui, sans-serif;
  scrollbar-width: thin;
  scrollbar-color: var(--border-dim) transparent;
}
.vm-extensions-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.95fr);
  gap: 14px;
  min-height: 100%;
}
.vm-extensions-manager,
.vm-extensions-library {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 24px 40px rgba(0,0,0,0.18);
}
.vm-extensions-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.03em;
}
.vm-extensions-subtitle {
  font-size: 11px;
  line-height: 1.55;
  color: var(--dim);
}
.vm-extensions-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}
.vm-extensions-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.vm-extensions-label {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.vm-extensions-input,
.vm-extensions-select,
.vm-extensions-editor {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  background: rgba(10,12,20,0.82);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.vm-extensions-input,
.vm-extensions-select {
  height: 38px;
  padding: 0 12px;
  font-size: 11px;
}
.vm-extensions-editor {
  min-height: 132px;
  padding: 12px 13px;
  resize: vertical;
  font-family: 'Courier New', monospace;
  font-size: 11.5px;
  line-height: 1.55;
}
.vm-extensions-input:focus,
.vm-extensions-select:focus,
.vm-extensions-editor:focus {
  border-color: var(--accent);
  background: rgba(16,19,30,0.96);
}
.vm-extensions-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.vm-extensions-btn {
  border: 1px solid rgba(216,166,75,0.18);
  border-radius: 999px;
  padding: 9px 14px;
  background: rgba(216,166,75,0.16);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s, border-color 0.15s;
}
.vm-extensions-btn:hover {
  transform: translateY(-1px);
  background: rgba(216,166,75,0.22);
}
.vm-extensions-btn-sec {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.10);
  color: var(--dim);
}
.vm-extensions-btn-danger {
  background: rgba(207,102,121,0.12);
  border-color: rgba(207,102,121,0.28);
  color: #ffb9c2;
}
.vm-extensions-btn-mini {
  padding: 7px 11px;
  font-size: 10px;
}
.vm-extensions-status {
  margin-left: auto;
  font-size: 11px;
  color: var(--dim);
}
.vm-extensions-status[data-state="ok"] { color: var(--green); }
.vm-extensions-status[data-state="err"] { color: var(--red); }
.vm-extensions-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vm-extensions-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 13px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.vm-extensions-card-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.vm-extensions-card-title {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vm-extensions-card-sub {
  font-size: 10px;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vm-extensions-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.vm-store-hero {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.vm-store-meta {
  font-size: 11px;
  color: rgba(255,255,255,0.42);
}
.vm-store-layout {
  align-items: start;
}
.vm-store-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vm-store-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
}
.vm-store-card-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.vm-store-card-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(216,166,75,0.16);
  font-size: 20px;
  flex-shrink: 0;
}
.vm-store-card-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.vm-store-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
}
.vm-store-card-sub {
  font-size: 11px;
  line-height: 1.5;
  color: var(--dim);
}
.vm-store-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.vm-store-card-footnote {
  font-size: 10.5px;
  color: rgba(255,255,255,0.42);
}

.vm-extension-runtime {
  flex: 1;
  min-height: 0;
  display: flex;
  background: rgba(6,7,14,0.98);
}
.vm-extension-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #0b0d15;
}
.vm-extension-empty {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 24px;
}
.vm-extension-empty-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.vm-extension-empty-body {
  font-size: 11px;
  line-height: 1.6;
  color: var(--dim);
}

.vm-launcher {
  position: absolute;
  left: 50%;
  bottom: 84px;
  transform: translateX(-50%);
  width: min(720px, calc(100vw - 40px));
  padding: 16px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(216,166,75,0.14), transparent 24%),
    rgba(10,12,20,0.94);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 30px 70px rgba(0,0,0,0.45);
  backdrop-filter: blur(18px);
  z-index: 12;
}
.vm-launcher.hidden { display: none; }
.vm-launcher.visible { display: block; }
.vm-launcher-search {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.vm-launcher-sigma {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(216,166,75,0.18);
  color: var(--accent);
  font-size: 20px;
  flex-shrink: 0;
}
.vm-launcher-input {
  width: 100%;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  color: var(--text);
  outline: none;
  padding: 0 14px;
  font-size: 13px;
}
.vm-launcher-input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.06);
}
.vm-launcher-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vm-launcher-section + .vm-launcher-section {
  margin-top: 12px;
}
.vm-launcher-section-title {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.42);
}
.vm-launcher-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.vm-launcher-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 13px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
}
.vm-launcher-item:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.10);
}
.vm-launcher-item-meta {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}
.vm-launcher-item-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(216,166,75,0.16);
  font-size: 18px;
  flex-shrink: 0;
}
.vm-launcher-item-copy {
  min-width: 0;
}
.vm-launcher-item-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vm-launcher-item-sub {
  margin-top: 3px;
  font-size: 10.5px;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vm-launcher-pin {
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(216,166,75,0.16);
  color: var(--accent);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}
.vm-launcher-empty {
  padding: 10px 2px;
  font-size: 11px;
  color: rgba(255,255,255,0.46);
}

@media (max-width: 1120px) {
  .vm-extensions-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .vm-extensions-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ── VM Extensions light mode ─────────────── */
@media (prefers-color-scheme: light) {
  .vm-extensions-app {
    background:
      radial-gradient(circle at top right, rgba(216,166,75,0.08), transparent 30%),
      rgba(248,244,234,0.98);
    scrollbar-color: rgba(0,0,0,0.14) transparent;
  }
  .vm-extensions-manager,
  .vm-extensions-library {
    background: rgba(255,255,255,0.72);
    border-color: rgba(0,0,0,0.09);
    box-shadow: 0 8px 24px rgba(0,0,0,0.07);
  }
  .vm-extensions-input,
  .vm-extensions-select,
  .vm-extensions-editor {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.13);
    color: var(--text);
  }
  .vm-extensions-input:focus,
  .vm-extensions-select:focus,
  .vm-extensions-editor:focus {
    border-color: var(--accent);
    background: rgba(0,0,0,0.06);
  }
  .vm-extensions-btn {
    background: var(--accent);
    color: #fff;
  }
  .vm-extensions-btn-sec {
    background: rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.12);
    color: var(--text);
  }
  .vm-extensions-btn-danger {
    background: rgba(180,40,55,0.10);
    border-color: rgba(180,40,55,0.22);
    color: var(--red);
  }
  .vm-extensions-card {
    background: rgba(255,255,255,0.72);
    border-color: rgba(0,0,0,0.09);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  }
  .vm-launcher-empty { color: rgba(0,0,0,0.32); }
}

/* ── Agent Console ─────────────────────────── */
#agent-overlay {
  position: fixed;
  inset: 0;
  z-index: 140;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background:
    radial-gradient(circle at top, rgba(200,160,88,0.14), transparent 44%),
    rgba(4, 6, 10, 0.72);
  backdrop-filter: blur(14px);
}
.agent-overlay-shell {
  width: min(1240px, 100%);
  height: min(820px, calc(100vh - 56px));
  display: flex;
}
.agent-overlay-window {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  border: 1px solid rgba(200,160,88,0.20);
  background:
    linear-gradient(180deg, rgba(19,23,33,0.97), rgba(8,10,16,0.98));
  box-shadow:
    0 30px 90px rgba(0,0,0,0.45),
    inset 0 1px 0 rgba(255,255,255,0.05);
  overflow: hidden;
}
.agent-overlay-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
}
.agent-overlay-titlewrap {
  display: grid;
  grid-template-columns: auto auto;
  gap: 2px 12px;
  align-items: center;
}
.agent-overlay-badge {
  grid-row: 1 / span 2;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(200,160,88,0.12);
  color: var(--accent);
  font-size: 16px;
}
.agent-overlay-title {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.agent-overlay-subtitle {
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.04em;
}
.agent-overlay-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.agent-overlay-hint {
  color: var(--dim2);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.agent-overlay-close {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}
.agent-overlay-close:hover {
  background: rgba(207,102,121,0.12);
  color: #ff9aa5;
}

.agent-console {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, rgba(6,9,14,0.94), rgba(8,11,18,0.98));
  color: var(--text);
  font-family: 'SFMono-Regular', 'Menlo', 'Consolas', monospace;
}
.agent-console-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background:
    linear-gradient(180deg, rgba(200,160,88,0.08), rgba(255,255,255,0));
}
.agent-console-headcopy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.agent-console-eyebrow {
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.agent-console-headline {
  color: #f2ead7;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.agent-console-subline {
  color: var(--dim);
  font-size: 11px;
  line-height: 1.5;
  max-width: 760px;
}
.agent-console-header-meta {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.agent-console-status,
.agent-console-model {
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.agent-console-status.ready {
  color: #81c995;
  background: rgba(74,154,106,0.10);
}
.agent-console-status.running {
  color: #ffd38a;
  background: rgba(200,160,88,0.12);
}
.agent-console-status.error {
  color: #ff9aa5;
  background: rgba(207,102,121,0.12);
}
.agent-console-model {
  color: var(--dim);
  background: rgba(255,255,255,0.03);
}
.agent-console-body {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
}
.agent-console-transcript {
  min-height: 0;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0)),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.015) 0, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 28px);
}
.agent-console-entry {
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  background: rgba(9, 13, 20, 0.84);
  overflow: hidden;
}
.agent-console-entry.user {
  border-color: rgba(62,184,200,0.18);
  background: rgba(12, 18, 26, 0.88);
}
.agent-console-entry.assistant {
  border-color: rgba(200,160,88,0.15);
}
.agent-console-entry.system {
  border-style: dashed;
  background: rgba(255,255,255,0.02);
}
.agent-console-entry-meta {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--dim2);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.agent-console-entry-body {
  margin: 0;
  padding: 12px;
  color: var(--text);
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
.agent-console-sidebar {
  min-height: 0;
  border-left: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.025);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
}
.agent-console-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.agent-console-stat {
  padding: 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.agent-console-stat strong {
  color: #f2ead7;
  font-size: 16px;
  font-weight: 600;
}
.agent-console-stat span {
  color: var(--dim2);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.agent-console-sidehead {
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.agent-console-tool-log {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.agent-console-tool-item {
  padding: 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(7, 10, 16, 0.84);
}
.agent-console-tool-item.pending {
  border-color: rgba(200,160,88,0.18);
}
.agent-console-tool-title {
  color: #f0e5cb;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.agent-console-tool-meta,
.agent-console-tool-output,
.agent-console-helper {
  color: var(--dim);
  font-size: 11px;
  line-height: 1.55;
  margin-top: 5px;
  word-break: break-word;
}
.agent-console-composer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  padding: 16px 18px 18px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(5, 7, 12, 0.94);
}
.agent-console-prompt {
  color: var(--accent);
  font-size: 18px;
  line-height: 1;
  padding-bottom: 11px;
}
.agent-console-input {
  width: 100%;
  min-height: 46px;
  max-height: 160px;
  resize: none;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  line-height: 1.6;
  outline: none;
}
.agent-console-input:focus {
  border-color: rgba(200,160,88,0.42);
  box-shadow: 0 0 0 1px rgba(200,160,88,0.18);
}
.agent-console-send {
  min-width: 88px;
  height: 46px;
  border: 1px solid rgba(200,160,88,0.22);
  border-radius: 14px;
  background: rgba(200,160,88,0.10);
  color: #f0e5cb;
  cursor: pointer;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.agent-console-send:hover {
  background: rgba(200,160,88,0.16);
}
.agent-console-send:disabled,
.agent-console-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.agent-console-vm {
  background: rgba(7,7,14,0.97);
}

@media (max-width: 980px) {
  #agent-overlay {
    padding: 16px;
  }
  .agent-overlay-shell {
    height: min(860px, calc(100vh - 32px));
  }
  .agent-console-body {
    grid-template-columns: 1fr;
  }
  .agent-console-sidebar {
    border-left: 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    max-height: 220px;
  }
}

@media (max-width: 720px) {
  .agent-overlay-bar,
  .agent-console-header,
  .agent-console-composer {
    padding-left: 14px;
    padding-right: 14px;
  }
  .agent-overlay-titlewrap {
    grid-template-columns: auto 1fr;
  }
  .agent-overlay-subtitle,
  .agent-console-subline,
  .agent-overlay-hint {
    display: none;
  }
  .agent-console-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── Agent CLI Overrides ───────────────────── */
#agent-overlay {
  padding: 0;
  align-items: stretch;
  justify-content: stretch;
  background:
    radial-gradient(circle at top, rgba(200,160,88,0.10), transparent 42%),
    rgba(3, 5, 9, 0.94);
}
#agent-overlay > .agent-console {
  width: 100%;
  height: 100%;
}
.agent-terminal-layer {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 0;
  pointer-events: auto;
  overflow: hidden;
}
.agent-console {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
  height: 100%;
  min-height: 0;
  background: var(--ac-bg, rgba(7,9,14,0.98));
  color: var(--ac-text, #d8d1bd);
  font-family: 'SFMono-Regular', 'Menlo', 'Consolas', monospace;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: hidden;
}
.agent-console-transcript {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px 10px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.015), transparent),
    repeating-linear-gradient(180deg, rgba(255,255,255,0.022) 0, rgba(255,255,255,0.022) 1px, transparent 1px, transparent 24px);
}
.agent-console-entry {
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: visible;
}
.agent-console-entry-meta {
  padding: 0;
  border: 0;
  color: var(--ac-meta, #8c8374);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}
.agent-console-entry.user .agent-console-entry-meta { color: var(--ac-meta-user, #66b7c5); }
.agent-console-entry.assistant .agent-console-entry-meta { color: var(--ac-meta-asst, #d6b06a); }
.agent-console-entry.tool .agent-console-entry-meta { color: var(--ac-meta-tool, #93c68f); }
.agent-console-entry.system .agent-console-entry-meta { color: var(--ac-meta, #8c8374); }
.agent-console-entry.user .agent-console-entry-body { color: var(--ac-user-text, var(--ac-text, #d8d1bd)); }
.agent-console-entry-body {
  margin: 0;
  padding: 4px 0 0;
  color: var(--ac-text, #d8d1bd);
  font-size: 12px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
/* ── Collapsible tool rows ─────────────────── */
.agent-tool-row { padding: 2px 0; }
.agent-tool-header {
  display: flex;
  align-items: baseline;
  gap: 0;
  cursor: pointer;
  padding: 1px 0;
  border-radius: 2px;
  user-select: none;
  line-height: 1.5;
}
.agent-tool-header:hover { background: var(--vm-hover, rgba(255,255,255,0.04)); }
.agent-tool-caret {
  color: var(--ac-caret, #445);
  font-size: 9px;
  width: 14px;
  flex-shrink: 0;
  padding-top: 1px;
}
.agent-tool-name {
  color: var(--ac-tool-name, #93c68f);
  font-size: 11px;
  letter-spacing: 0.05em;
}
.agent-tool-args {
  color: var(--ac-tool-args, #556);
  font-size: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 340px;
}
.agent-tool-status {
  color: var(--ac-meta-tool, #4a6);
  font-size: 10px;
  font-style: italic;
  flex-shrink: 0;
}
.agent-tool-status.done { color: var(--green, #3a7); }
.agent-tool-body {
  margin: 2px 0 4px 14px;
  padding: 4px 8px;
  font-size: 10px;
  line-height: 1.55;
  color: var(--ac-tool-fg, #778);
  white-space: pre-wrap;
  word-break: break-word;
  border-left: 1px solid var(--ac-tool-br, #334);
  background: var(--ac-tool-bg, rgba(0,0,0,0.18));
  border-radius: 0 2px 2px 0;
}
.agent-console-statusline {
  flex-shrink: 0;
  border-top: 1px solid var(--vm-sep, rgba(255,255,255,0.06));
  border-bottom: 1px solid var(--vm-sep, rgba(255,255,255,0.06));
  padding: 10px 22px;
  color: var(--ac-meta, #8c8374);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  background: var(--ac-status, rgba(0,0,0,0.22));
}
.agent-console-composer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  flex-shrink: 0;
  padding: 14px 22px 18px;
  border-top: 0;
  background: var(--ac-composer, rgba(3,5,9,0.98));
}
.agent-console-prompt {
  color: var(--accent);
  font-size: 12px;
  line-height: 1.7;
  padding-top: 12px;
  white-space: nowrap;
}
.agent-console-input {
  width: 100%;
  min-height: 44px;
  max-height: 180px;
  resize: none;
  padding: 10px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ac-text, #f2ead7);
  font-family: inherit;
  font-size: 12px;
  line-height: 1.7;
  outline: none;
  box-shadow: none;
}
.agent-console-input:focus {
  border: 0;
  box-shadow: none;
}
.agent-console-input:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}
.agent-console-header,
.agent-console-body,
.agent-console-sidebar,
.agent-console-send,
.agent-overlay-shell,
.agent-overlay-window,
.agent-overlay-bar {
  display: none !important;
}

@media (max-width: 720px) {
  .agent-console-transcript,
  .agent-console-statusline,
  .agent-console-composer {
    padding-left: 14px;
    padding-right: 14px;
  }
  .agent-console-composer {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .agent-console-prompt {
    padding-top: 0;
  }
}

/* ── Agent console light mode ──────────────── */
@media (prefers-color-scheme: light) {
  #agent-overlay {
    background:
      radial-gradient(circle at top, rgba(200,160,88,0.10), transparent 44%),
      rgba(220,214,200,0.72);
  }
  .agent-console {
    background:
      linear-gradient(180deg, rgba(252,248,240,0.99), rgba(246,241,231,1));
    color: var(--text);
  }
  .agent-console-transcript {
    background:
      linear-gradient(180deg, rgba(0,0,0,0.012), transparent),
      repeating-linear-gradient(180deg, rgba(0,0,0,0.018) 0, rgba(0,0,0,0.018) 1px, transparent 1px, transparent 24px);
  }
  .agent-console-entry-meta { color: rgba(47,39,28,0.58); }
  .agent-console-entry.user  .agent-console-entry-meta { color: #2a7e8c; }
  .agent-console-entry.assistant .agent-console-entry-meta { color: #8a6020; }
  .agent-console-entry.tool .agent-console-entry-meta { color: #3a7a50; }
  .agent-console-entry.system .agent-console-entry-meta { color: rgba(47,39,28,0.48); }
  .agent-console-entry-body { color: var(--text); }
  .agent-console-statusline {
    border-top-color: rgba(0,0,0,0.07);
    border-bottom-color: rgba(0,0,0,0.07);
    color: rgba(47,39,28,0.60);
    background: rgba(255,255,255,0.45);
  }
  .agent-console-composer {
    background: rgba(250,246,238,0.98);
  }
  .agent-console-input {
    color: #201910;
    caret-color: var(--accent);
  }
  .agent-console-prompt { color: #8b5f24; }

  /* Collapsible tool rows */
  .agent-tool-header:hover { background: rgba(0,0,0,0.04); }
  .agent-tool-caret  { color: rgba(0,0,0,0.28); }
  .agent-tool-name   { color: #3a7a50; }
  .agent-tool-args   { color: rgba(0,0,0,0.38); }
  .agent-tool-status { color: #5a8a60; }
  .agent-tool-status.done { color: #2a7040; }
  .agent-tool-body {
    color: rgba(0,0,0,0.50);
    border-left-color: rgba(0,0,0,0.14);
    background: rgba(0,0,0,0.04);
  }
}

/* ── VM shell light mode ───────────────────── */
@media (prefers-color-scheme: light) {
  #vm-overlay {
    --bg:         #f5f0e6;
    --surface:    rgba(255,252,244,0.88);
    --surface2:   rgba(248,244,235,0.94);
    --glass:      rgba(0,0,0,0.028);
    --text:       #1c1810;
    --dim:        #7a6c58;
    --dim2:       #b19f86;
    --accent:     #9a6c28;
    --accent-lo:  rgba(154,108,40,0.10);
    --accent-mid: rgba(154,108,40,0.20);
    --green:      #286e4a;
    --green-lo:   rgba(40,110,74,0.10);
    --red:        #b03448;
    --teal:       #1e7a8c;
    --teal-lo:    rgba(30,122,140,0.10);
    --purple:     #6040a8;
    --border:     rgba(154,108,40,0.20);
    --border-hi:  rgba(154,108,40,0.36);
    --border-dim: rgba(0,0,0,0.08);
    background: #ede8dc;
    color-scheme: light;
  }

  .vm-topbar {
    background: rgba(240,235,222,0.98);
    border-bottom-color: rgba(0,0,0,0.08);
  }
  .vm-topbar-logo { color: var(--accent); }
  .vm-topbar-osname { color: var(--text); }
  .vm-menu-item { color: var(--dim); }
  .vm-menu-item:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text);
  }
  .vm-clock,
  .vm-topbar-user { color: var(--dim); }
  .vm-topbar-user { color: var(--text); }
  .vm-exit-btn {
    color: var(--dim);
    background: rgba(176,52,72,0.07);
    border-color: rgba(176,52,72,0.18);
  }
  .vm-exit-btn:hover {
    background: rgba(176,52,72,0.14);
    color: var(--red);
  }

  .vm-desktop {
    background:
      radial-gradient(ellipse 65% 60% at 22% 75%, rgba(120,80,200,0.22) 0%, transparent 60%),
      radial-gradient(ellipse 50% 50% at 80% 20%, rgba(60,130,220,0.18) 0%, transparent 55%),
      radial-gradient(ellipse 45% 45% at 60% 88%, rgba(180,80,130,0.14) 0%, transparent 48%),
      #ddd8cc;
  }
  .vm-desktop-item {
    color: var(--text);
  }
  .vm-desktop-item:hover {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-desktop-item:focus {
    background: rgba(154,108,40,0.10);
    border-color: rgba(154,108,40,0.22);
  }
  .vm-desktop-item-label {
    color: rgba(24,20,14,0.88);
    text-shadow: 0 1px 0 rgba(255,255,255,0.75), 0 2px 10px rgba(255,255,255,0.55);
  }

  .vm-window {
    background: rgba(252,248,240,0.96);
    border-color: rgba(0,0,0,0.10);
    box-shadow:
      0 16px 48px rgba(0,0,0,0.18),
      0 0 0 1px rgba(0,0,0,0.06) inset;
  }
  .vm-window.focused {
    border-color: rgba(154,108,40,0.25);
    box-shadow:
      0 20px 56px rgba(0,0,0,0.22),
      0 0 0 1px rgba(154,108,40,0.10) inset;
  }
  .vm-titlebar {
    background: rgba(0,0,0,0.03);
    border-bottom-color: rgba(0,0,0,0.07);
  }
  .vm-win-title { color: rgba(78,66,49,0.72); }

  .vm-dock {
    background: rgba(232,226,214,0.92);
    border-top-color: rgba(0,0,0,0.07);
  }
  .vm-start-btn {
    background: rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.10);
    box-shadow: none;
  }
  .vm-start-btn:hover {
    background: rgba(0,0,0,0.10);
    box-shadow: 0 0 12px 2px rgba(154,108,40,0.14);
  }
  .vm-dock-apps {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-dock-btn:hover {
    background: rgba(0,0,0,0.05);
    transform: translateY(-2px);
  }
  .vm-dock-label { color: rgba(0,0,0,0.42); }
  .vm-dock-user {
    background: rgba(0,0,0,0.04);
    color: rgba(0,0,0,0.48);
  }
  .vm-dock-time { color: rgba(0,0,0,0.72); }
  .vm-dock-date { color: rgba(0,0,0,0.38); }
  .vm-dock-minimized {
    color: var(--dim);
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.09);
  }
  .vm-dock-minimized:hover {
    background: rgba(0,0,0,0.09);
    color: var(--text);
  }

  .vm-browser {
    background: rgba(252,248,240,0.98);
  }
  .vm-browser-bar {
    background: rgba(0,0,0,0.03);
    border-bottom-color: rgba(0,0,0,0.07);
  }
  .vm-browser-nav {
    color: var(--dim);
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.09);
  }
  .vm-browser-nav:hover {
    background: rgba(0,0,0,0.08);
    color: var(--text);
  }
  .vm-browser-status {
    background: rgba(0,0,0,0.04);
    color: var(--dim2);
  }
  .vm-url-input {
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.10);
    color: var(--text);
  }
  .vm-url-input:focus {
    border-color: var(--accent);
    background: rgba(0,0,0,0.06);
  }
  .vm-blocked {
    background: rgba(252,248,240,0.98);
  }
  .vm-blocked-icon { color: var(--dim2); }
  .vm-blocked-msg { color: var(--dim); }

  .vm-files {
    background: rgba(252,248,240,0.98);
  }
  .vm-files-nav { border-bottom-color: rgba(0,0,0,0.07); }
  .vm-files-path { color: var(--dim); }
  .vm-files-btn-ghost {
    color: var(--dim);
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.09);
  }
  .vm-files-btn-ghost:hover {
    background: rgba(0,0,0,0.08);
    color: var(--text);
  }
  .vm-files-status { color: var(--dim2); }
  .vm-files-item:hover {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-files-name { color: var(--text); }
  .vm-files-size { color: var(--dim2); }
  .vm-file-viewer {
    background: rgba(250,246,238,0.99);
  }
  .vm-fv-header {
    border-bottom-color: rgba(0,0,0,0.07);
    color: var(--dim);
  }
  .vm-fv-body { color: var(--text); }
  .vm-editor-area {
    background: rgba(250,246,238,0.99);
    color: var(--text);
  }

  .vm-notes-app {
    background: rgba(250,246,238,0.99);
  }
  .vm-notes-toolbar {
    background: rgba(0,0,0,0.025);
    border-bottom-color: rgba(0,0,0,0.06);
  }
  .vm-notes-btn {
    color: var(--dim);
    background: rgba(0,0,0,0.04);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-notes-btn:hover {
    color: var(--text);
    background: rgba(0,0,0,0.08);
  }
  .vm-notes-status { color: var(--dim); }
  .vm-notes-area {
    color: var(--text);
    background: transparent;
  }

  .vm-chat-app {
    background: rgba(250,246,238,0.99);
  }
  .vm-chat-header {
    border-bottom-color: rgba(0,0,0,0.06);
  }
  .vm-chat-header-title,
  .vm-chat-session-title { color: var(--text); }
  .vm-chat-header-sub,
  .vm-chat-session-preview,
  .vm-chat-empty,
  .vm-chat-session-date { color: var(--dim); }
  .vm-chat-session {
    background: rgba(0,0,0,0.025);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-chat-session:hover {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.12);
  }
  .vm-chat-footer {
    border-top-color: rgba(0,0,0,0.06);
  }

  .vm-terminal {
    background: linear-gradient(180deg, rgba(252,248,240,0.99), rgba(246,241,231,0.99));
  }
  .vm-term-output {
    color: #241d14;
    scrollbar-color: rgba(0,0,0,0.14) transparent;
  }
  .vm-term-line { color: #241d14; }
  .vm-term-line.cmd  { color: #7a6c58; }
  .vm-term-line.ok   { color: #2d774e; }
  .vm-term-line.err  { color: #b03448; }
  .vm-term-line.art  {
    color: #176c78;
    text-shadow: none;
  }
  .vm-term-input-row {
    border-top-color: rgba(0,0,0,0.08);
    background: rgba(255,255,255,0.36);
  }
  .vm-term-prompt { color: #8b5f24; }
  .vm-term-input {
    color: #201910;
    caret-color: var(--accent);
  }

  .vm-launcher {
    background:
      radial-gradient(circle at top right, rgba(216,166,75,0.10), transparent 24%),
      rgba(248,244,234,0.96);
    border-color: rgba(0,0,0,0.08);
    box-shadow: 0 30px 70px rgba(0,0,0,0.18);
  }
  .vm-launcher-sigma {
    background: rgba(154,108,40,0.12);
    color: var(--accent);
  }
  .vm-launcher-input {
    border-color: rgba(0,0,0,0.10);
    background: rgba(0,0,0,0.04);
    color: var(--text);
  }
  .vm-launcher-input:focus {
    border-color: var(--accent);
    background: rgba(0,0,0,0.06);
  }
  .vm-launcher-section-title { color: rgba(0,0,0,0.42); }
  .vm-launcher-item {
    background: rgba(255,255,255,0.74);
    border-color: rgba(0,0,0,0.08);
  }
  .vm-launcher-item:hover {
    background: rgba(255,255,255,0.92);
    border-color: rgba(0,0,0,0.12);
  }
  .vm-launcher-item-icon {
    background: rgba(154,108,40,0.12);
  }
  .vm-launcher-item-sub { color: var(--dim); }
  .vm-launcher-pin {
    background: rgba(154,108,40,0.14);
    color: var(--accent);
  }
  .vm-launcher-empty { color: rgba(0,0,0,0.36); }
}

/* ── VM Calendar App ──────────────────────── */
.vm-cal-root { flex: 1; min-height: 0; display: flex; flex-direction: column; background: var(--vm-app, rgba(5,5,10,0.98)); overflow: hidden; }
.vm-cal-topbar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--vm-toolbar); border-bottom: 1px solid var(--vm-sep); flex-shrink: 0; }
.vm-cal-month-lbl { flex: 1; font-size: 15px; font-weight: 600; letter-spacing: 0.02em; }
.vm-cal-nav { display: flex; gap: 2px; }
.vm-cal-nav button { background: var(--vm-hover); border: 1px solid var(--vm-input-br); color: var(--text); border-radius: 6px; width: 28px; height: 28px; cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: background 0.15s; }
.vm-cal-nav button:hover { background: var(--vm-hover2); }
.vm-cal-add-btn, .vm-cal-agent-btn { background: var(--vm-hover); border: 1px solid var(--vm-input-br); color: var(--text); border-radius: 6px; padding: 0 10px; height: 28px; cursor: pointer; font-size: 12px; display: flex; align-items: center; gap: 5px; transition: background 0.15s; white-space: nowrap; }
.vm-cal-add-btn:hover, .vm-cal-agent-btn:hover { background: var(--vm-hover2); }
.vm-cal-agent-btn.active { background: rgba(var(--accent-rgb, 100,160,255),0.18); border-color: var(--accent); }

.vm-cal-body { flex: 1; min-height: 0; display: flex; overflow: hidden; }
.vm-cal-panel { flex: 1; min-width: 0; display: flex; flex-direction: column; overflow: hidden; }
.vm-cal-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); border-bottom: 1px solid var(--vm-sep); flex-shrink: 0; }
.vm-cal-wd { padding: 6px 0; text-align: center; font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--dim2); }
.vm-cal-grid { flex: 1; display: grid; grid-template-columns: repeat(7, 1fr); grid-template-rows: repeat(6, 1fr); gap: 1px; background: var(--vm-sep); overflow: hidden; }
.vm-cal-cell { background: var(--vm-app); padding: 4px 6px; display: flex; flex-direction: column; gap: 2px; cursor: pointer; min-height: 0; overflow: hidden; transition: background 0.1s; }
.vm-cal-cell:hover { background: var(--vm-hover); }
.vm-cal-cell--out { background: rgba(0,0,0,0.15); opacity: 0.5; }
.vm-cal-cell--today .vm-cal-cell-num { background: var(--accent); color: #fff; border-radius: 50%; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; }
.vm-cal-cell--sel { background: var(--vm-hover2); outline: 1px solid var(--accent); outline-offset: -1px; }
.vm-cal-cell-num { font-size: 12px; font-weight: 500; line-height: 1.2; padding: 2px; flex-shrink: 0; }
.vm-cal-chips { display: flex; flex-direction: column; gap: 2px; overflow: hidden; }
.vm-cal-chip { font-size: 10px; border-radius: 3px; padding: 1px 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-left: 3px solid var(--chip, var(--accent)); background: var(--vm-card); color: var(--text); line-height: 1.6; }
.vm-cal-chip--more { font-size: 10px; color: var(--dim2); padding: 0 4px; }

.vm-cal-sidebar { width: 240px; min-width: 240px; border-left: 1px solid var(--vm-sep); display: flex; flex-direction: column; overflow: hidden; background: var(--vm-app); }
.vm-cal-dayview { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.vm-cal-dv-hdr { padding: 10px 12px 6px; border-bottom: 1px solid var(--vm-sep); flex-shrink: 0; }
.vm-cal-dv-date { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.vm-cal-today-badge { font-size: 10px; background: var(--accent); color: #fff; border-radius: 20px; padding: 1px 7px; font-weight: 600; }
.vm-cal-dv-events { flex: 1; overflow-y: auto; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.vm-cal-dv-empty { color: var(--dim2); font-size: 12px; text-align: center; padding: 24px 8px; }
.vm-cal-ev-card { border-radius: 6px; padding: 8px 10px; background: var(--vm-card); border: 1px solid var(--vm-card-br); border-left: 3px solid var(--ev, var(--accent)); display: flex; flex-direction: column; gap: 4px; }
.vm-cal-ev-top { display: flex; align-items: flex-start; gap: 4px; }
.vm-cal-ev-time { font-size: 10px; color: var(--dim2); flex-shrink: 0; padding-top: 1px; }
.vm-cal-ev-title { font-size: 12px; font-weight: 500; flex: 1; line-height: 1.4; }
.vm-cal-ev-acts { display: flex; gap: 4px; }
.vm-cal-ev-btn { font-size: 10px; padding: 2px 7px; border-radius: 4px; border: 1px solid var(--vm-input-br); background: var(--vm-hover); color: var(--text); cursor: pointer; transition: background 0.1s; }
.vm-cal-ev-btn:hover { background: var(--vm-hover2); }
.vm-cal-ev-btn--del { border-color: rgba(220,80,80,0.3); color: #e05468; }
.vm-cal-ev-btn--del:hover { background: rgba(220,80,80,0.12); }
.vm-cal-ev-notes { font-size: 11px; color: var(--dim2); line-height: 1.5; }
.vm-cal-quick-add { margin: 8px; padding: 6px 10px; border-radius: 6px; border: 1px dashed var(--vm-input-br); background: transparent; color: var(--dim2); font-size: 12px; cursor: pointer; text-align: left; transition: all 0.15s; }
.vm-cal-quick-add:hover { background: var(--vm-hover); color: var(--text); }

.vm-cal-agent-pane { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--ac-bg, rgba(7,9,14,0.98)); }
.vm-cal-agent-head { display: flex; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--vm-sep); flex-shrink: 0; }
.vm-cal-agent-title { flex: 1; font-size: 12px; font-weight: 600; color: var(--ac-text, #d8d1bd); }
.vm-cal-agent-close { background: none; border: none; color: var(--dim2); font-size: 16px; cursor: pointer; padding: 0 2px; line-height: 1; }
.vm-cal-agent-close:hover { color: var(--text); }
.vm-cal-agent-thread { flex: 1; overflow-y: auto; padding: 10px 12px; display: flex; flex-direction: column; gap: 10px; }
.vm-cal-amsg { display: flex; flex-direction: column; gap: 3px; }
.vm-cal-amsg-lbl { font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.vm-cal-amsg.user .vm-cal-amsg-lbl { color: var(--ac-meta-user, #66b7c5); }
.vm-cal-amsg.assistant .vm-cal-amsg-lbl { color: var(--ac-meta-asst, #d6b06a); }
.vm-cal-amsg-body { font-size: 12px; line-height: 1.6; color: var(--ac-text, #d8d1bd); white-space: pre-wrap; word-break: break-word; }
.vm-cal-agent-composer { display: flex; gap: 6px; padding: 8px; border-top: 1px solid var(--vm-sep); background: var(--ac-composer, rgba(3,5,9,0.98)); flex-shrink: 0; }
.vm-cal-agent-input { flex: 1; background: var(--vm-input); border: 1px solid var(--vm-input-br); border-radius: 6px; padding: 6px 10px; color: var(--ac-text, #d8d1bd); font-size: 12px; resize: none; min-height: 32px; max-height: 80px; font-family: inherit; }
.vm-cal-agent-input:focus { outline: none; border-color: var(--accent); }
.vm-cal-agent-send { background: var(--accent); border: none; border-radius: 6px; color: #fff; padding: 0 12px; font-size: 12px; cursor: pointer; font-weight: 600; flex-shrink: 0; }
.vm-cal-agent-send:disabled { opacity: 0.4; cursor: not-allowed; }

/* Calendar event modal */
.vm-cal-ov { position: absolute; inset: 0; z-index: 20; background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center; backdrop-filter: blur(2px); }
.vm-cal-modal { background: var(--vm-app); border: 1px solid var(--vm-sep); border-radius: 10px; width: 340px; max-height: 85%; display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 16px 48px rgba(0,0,0,0.4); }
.vm-cal-modal-hdr { display: flex; align-items: center; padding: 12px 14px 10px; border-bottom: 1px solid var(--vm-sep); flex-shrink: 0; }
.vm-cal-modal-title { flex: 1; font-size: 14px; font-weight: 600; }
.vm-cal-modal-close { background: none; border: none; color: var(--dim2); font-size: 18px; cursor: pointer; padding: 0; line-height: 1; }
.vm-cal-modal-close:hover { color: var(--text); }
.vm-cal-modal-form { flex: 1; overflow-y: auto; padding: 12px 14px; display: flex; flex-direction: column; gap: 10px; }
.vm-cal-mfield { display: flex; flex-direction: column; gap: 4px; }
.vm-cal-mlabel { font-size: 11px; font-weight: 600; color: var(--dim2); text-transform: uppercase; letter-spacing: 0.04em; }
.vm-cal-minput { background: var(--vm-input); border: 1px solid var(--vm-input-br); border-radius: 6px; padding: 7px 10px; color: var(--text); font-size: 13px; font-family: inherit; transition: border-color 0.15s; }
.vm-cal-minput:focus { outline: none; border-color: var(--accent); }
.vm-cal-minput--err { border-color: #e05468 !important; }
.vm-cal-mtextarea { background: var(--vm-input); border: 1px solid var(--vm-input-br); border-radius: 6px; padding: 7px 10px; color: var(--text); font-size: 12px; font-family: inherit; resize: vertical; min-height: 64px; }
.vm-cal-mtextarea:focus { outline: none; border-color: var(--accent); }
.vm-cal-mrow { display: flex; gap: 8px; }
.vm-cal-mrow .vm-cal-mfield { flex: 1; }
.vm-cal-cpick { display: flex; gap: 8px; flex-wrap: wrap; }
.vm-cal-cswatch { width: 24px; height: 24px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; transition: transform 0.1s, border-color 0.1s; }
.vm-cal-cswatch:hover { transform: scale(1.15); }
.vm-cal-cswatch.sel { border-color: var(--text); transform: scale(1.1); }
.vm-cal-modal-footer { display: flex; gap: 8px; padding: 10px 14px 12px; border-top: 1px solid var(--vm-sep); flex-shrink: 0; }
.vm-cal-modal-save { flex: 1; background: var(--accent); border: none; border-radius: 6px; color: #fff; padding: 8px; font-size: 13px; font-weight: 600; cursor: pointer; }
.vm-cal-modal-save:hover { opacity: 0.88; }
.vm-cal-modal-del { background: rgba(220,80,80,0.12); border: 1px solid rgba(220,80,80,0.3); border-radius: 6px; color: #e05468; padding: 8px 14px; font-size: 13px; cursor: pointer; }
.vm-cal-modal-del:hover { background: rgba(220,80,80,0.22); }

@media (prefers-color-scheme: light) {
  .vm-cal-cell--out { background: rgba(0,0,0,0.04); opacity: 0.6; }
  .vm-cal-ov { background: rgba(0,0,0,0.30); }
  .vm-cal-modal { box-shadow: 0 16px 48px rgba(0,0,0,0.16); }
}

/* ── Utility ───────────────────────────────── */
.hidden { display: none !important; }

/* ── Claude Code Agent CLI Enhancements ─────── */

.agent-console-vm-inline {
  --ac-text: #ddd8c0;
  --ac-user-text: #9ad9e8;
  --ac-strong: #f2ead7;
  --ac-meta: #8c8374;
  --ac-meta-user: #66b7c5;
  --ac-meta-asst: #d6b06a;
  --ac-meta-tool: #93c68f;
  --ac-caret: #586072;
  --ac-status: rgba(0,0,0,0.22);
  --ac-composer: rgba(3,5,9,0.98);
  --ac-tool-name: #d6b06a;
  --ac-tool-args: #6d6676;
  --ac-tool-fg: #8f889a;
  --ac-tool-br: #334;
  --ac-tool-bg: rgba(0,0,0,0.18);
  --ac-args-key: #8c8374;
  --ac-args-val: #66b7c5;
  --ac-banner-br: rgba(255,255,255,0.04);
  --ac-pill-model-bg: rgba(255,255,255,0.05);
  --ac-pill-model-br: rgba(255,255,255,0.10);
  --ac-pill-model-fg: var(--dim);
  --ac-inline-code-bg: rgba(255,255,255,0.08);
  --ac-inline-code-fg: #e2cca9;
  --ac-code-br: rgba(255,255,255,0.08);
  --ac-code-head-bg: rgba(255,255,255,0.04);
  --ac-code-head-br: rgba(255,255,255,0.06);
  --ac-code-head-fg: var(--dim2);
  --ac-code-bg: #020408;
  --ac-think-bg: rgba(255,255,255,0.02);
  --ac-think-br: rgba(200,160,88,0.15);
}

.agent-banner {
  padding: 12px 0 24px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  margin-bottom: 16px;
}
.banner-title {
  color: #f2ead7;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}
.banner-sub {
  color: var(--dim);
  font-size: 11px;
}
.banner-hint {
  margin-top: 12px;
  color: var(--dim2);
  font-size: 10px;
}

.status-pill {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 6px;
}
.status-pill.scope {
  background: rgba(200,160,88,0.1);
  color: var(--accent);
  border: 1px solid rgba(200,160,88,0.2);
}
.status-pill.model {
  background: rgba(255,255,255,0.05);
  color: var(--dim);
  border: 1px solid rgba(255,255,255,0.1);
}
.status-text {
  font-style: italic;
  opacity: 0.8;
}

/* Thinking Indicator */
.thinking-entry {
  margin: 4px 0 12px;
}
.thinking-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--dim);
  font-size: 11px;
}
.thinking-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid rgba(200,160,88,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.thinking-body {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.02);
  border-left: 2px solid rgba(200,160,88,0.15);
  color: var(--dim);
  font-size: 11px;
  line-height: 1.6;
  font-style: italic;
}
.thought-done .thinking-body {
  display: none;
}
.thinking-label.done {
  opacity: 0.6;
}

/* Markdown Styles */
.agent-console-entry-body b { color: #f2ead7; }
.inline-code {
  background: rgba(255,255,255,0.08);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: inherit;
  color: #e2cca9;
}
.code-block-wrap {
  margin: 12px 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
}
.code-block-header {
  background: rgba(255,255,255,0.04);
  padding: 6px 12px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dim2);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.code-block {
  margin: 0;
  padding: 12px;
  background: #020408;
  font-size: 12px;
  overflow-x: auto;
}
.agent-console-entry-body ul {
  margin: 8px 0;
  padding-left: 20px;
}
.agent-console-entry-body li {
  margin: 4px 0;
}

/* Tool Entries */
.agent-tool-header {
  background: rgba(255,255,255,0.02);
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: all 0.2s;
}
.agent-tool-header:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(200,160,88,0.2);
}
.expanded .agent-tool-header {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  background: rgba(200,160,88,0.05);
}
.agent-tool-icon {
  margin-right: 10px;
  font-size: 10px;
  opacity: 0.6;
}
.agent-tool-name {
  color: #d6b06a;
  font-weight: 500;
}
.arg-key { color: var(--dim2); }
.arg-val { color: #66b7c5; }
.agent-tool-status {
  margin-left: auto;
  font-size: 10px;
  color: var(--dim2);
}
.agent-tool-status.done {
  color: #81c995;
}
.agent-tool-body {
  border: 1px solid rgba(255,255,255,0.04);
  border-top: 0;
  background: #020408;
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
}

.agent-console-vm-inline .agent-banner {
  border-bottom-color: var(--ac-banner-br);
}
.agent-console-vm-inline .banner-title {
  color: var(--ac-strong);
}
.agent-console-vm-inline .banner-sub {
  color: var(--ac-meta);
}
.agent-console-vm-inline .banner-hint {
  color: var(--dim2);
}
.agent-console-vm-inline .status-pill.scope {
  background: var(--accent-lo);
  color: var(--accent);
  border-color: var(--border);
}
.agent-console-vm-inline .status-pill.model {
  background: var(--ac-pill-model-bg);
  color: var(--ac-pill-model-fg);
  border-color: var(--ac-pill-model-br);
}
.agent-console-vm-inline .status-text {
  color: var(--ac-meta);
  opacity: 1;
}
.agent-console-vm-inline .thinking-header {
  color: var(--ac-meta);
}
.agent-console-vm-inline .thinking-body {
  background: var(--ac-think-bg);
  border-left-color: var(--ac-think-br);
  color: var(--ac-meta);
}
.agent-console-vm-inline .agent-console-entry-body b {
  color: var(--ac-strong);
}
.agent-console-vm-inline .inline-code {
  background: var(--ac-inline-code-bg);
  color: var(--ac-inline-code-fg);
}
.agent-console-vm-inline .code-block-wrap {
  border-color: var(--ac-code-br);
}
.agent-console-vm-inline .code-block-header {
  background: var(--ac-code-head-bg);
  color: var(--ac-code-head-fg);
  border-bottom-color: var(--ac-code-head-br);
}
.agent-console-vm-inline .code-block {
  background: var(--ac-code-bg);
}
.agent-console-vm-inline .agent-tool-header {
  background: var(--vm-hover);
  border-color: var(--vm-sep);
}
.agent-console-vm-inline .agent-tool-header:hover {
  background: var(--vm-hover);
  border-color: var(--border);
}
.agent-console-vm-inline .expanded .agent-tool-header {
  background: var(--accent-lo);
}
.agent-console-vm-inline .agent-tool-icon {
  color: var(--ac-meta);
}
.agent-console-vm-inline .agent-tool-name {
  color: var(--ac-tool-name);
}
.agent-console-vm-inline .arg-key {
  color: var(--ac-args-key);
}
.agent-console-vm-inline .arg-val {
  color: var(--ac-args-val);
}
.agent-console-vm-inline .agent-tool-status {
  color: var(--ac-meta);
}
.agent-console-vm-inline .agent-tool-status.done {
  color: var(--green);
}
.agent-console-vm-inline .agent-tool-body {
  color: var(--ac-tool-fg);
  border-color: var(--vm-sep);
  border-left-color: var(--ac-tool-br);
  background: var(--ac-tool-bg);
}

@media (prefers-color-scheme: light) {
  .agent-console-vm-inline {
    --ac-text: #201910;
    --ac-user-text: #0f5f70;
    --ac-strong: #201910;
    --ac-meta: rgba(47,39,28,0.60);
    --ac-meta-user: #2a7e8c;
    --ac-meta-asst: #8a6020;
    --ac-meta-tool: #3a7a50;
    --ac-caret: rgba(0,0,0,0.28);
    --ac-status: rgba(255,255,255,0.45);
    --ac-composer: rgba(250,246,238,0.98);
    --ac-tool-name: #3a7a50;
    --ac-tool-args: rgba(0,0,0,0.38);
    --ac-tool-fg: rgba(0,0,0,0.56);
    --ac-tool-br: rgba(0,0,0,0.14);
    --ac-tool-bg: rgba(0,0,0,0.04);
    --ac-args-key: rgba(47,39,28,0.48);
    --ac-args-val: #1e7a8c;
    --ac-banner-br: rgba(0,0,0,0.06);
    --ac-pill-model-bg: rgba(0,0,0,0.04);
    --ac-pill-model-br: rgba(0,0,0,0.10);
    --ac-pill-model-fg: rgba(47,39,28,0.70);
    --ac-inline-code-bg: rgba(154,108,40,0.10);
    --ac-inline-code-fg: #7b5520;
    --ac-code-br: rgba(0,0,0,0.10);
    --ac-code-head-bg: rgba(0,0,0,0.04);
    --ac-code-head-br: rgba(0,0,0,0.06);
    --ac-code-head-fg: rgba(47,39,28,0.50);
    --ac-code-bg: rgba(255,255,255,0.72);
    --ac-think-bg: rgba(0,0,0,0.03);
    --ac-think-br: rgba(154,108,40,0.18);
  }
  .agent-console-vm-inline {
    background:
      linear-gradient(180deg, rgba(252,248,240,0.99), rgba(246,241,231,1));
    color: #201910;
  }
  .agent-console-vm-inline .agent-console-transcript {
    color: #201910;
  }
  .agent-console-vm-inline .agent-console-entry,
  .agent-console-vm-inline .agent-console-entry.user,
  .agent-console-vm-inline .agent-console-entry.assistant,
  .agent-console-vm-inline .agent-console-entry.tool,
  .agent-console-vm-inline .agent-console-entry.system {
    color: #201910;
  }
  .agent-console-vm-inline .agent-console-entry-body,
  .agent-console-vm-inline .agent-console-entry.user .agent-console-entry-body,
  .agent-console-vm-inline .agent-console-entry.assistant .agent-console-entry-body,
  .agent-console-vm-inline .agent-console-entry.tool .agent-console-entry-body,
  .agent-console-vm-inline .agent-console-entry.system .agent-console-entry-body {
    color: #201910;
  }
  .agent-console-vm-inline .agent-console-entry-body a {
    color: #1e7a8c;
  }
}

/* ═══════════════════════════════════════════════════════════════
   STUDY CENTER
   ═══════════════════════════════════════════════════════════════ */
body[data-page="study-center"] {
  background: #f5efe6;
}

body[data-page="study-center"] #bg-noise,
body[data-page="study-center"] #bg-gradient,
body[data-page="study-center"] #scanlines,
body[data-page="study-center"] #vignette {
  display: none;
}

body[data-page="study-center"] #layout,
body[data-page="study-center"] #app {
  min-height: 100vh;
}

.study-wrap {
  --study-canvas: #f5efe6;
  --study-panel: #fff9f1;
  --study-panel-strong: #fffdf8;
  --study-line: rgba(28, 52, 66, 0.12);
  --study-line-strong: rgba(28, 52, 66, 0.18);
  --study-ink: #1d3441;
  --study-ink-strong: #102633;
  --study-muted: #6a7a84;
  --study-muted-soft: #8d9aa2;
  --study-accent: #f09c33;
  --study-accent-soft: rgba(240, 156, 51, 0.18);
  --study-accent-2: #7ecde7;
  --study-accent-2-soft: rgba(126, 205, 231, 0.2);
  position: relative;
  min-height: 100vh;
  background: var(--study-canvas);
  color: var(--study-ink);
  overflow-x: hidden;
  font-family: "Avenir Next", "Inter", sans-serif;
}

.study-wrap * {
  box-sizing: border-box;
}

.study-wrap button,
.study-wrap input {
  font: inherit;
}

@keyframes studyLiquidMorph {
  0% { border-radius: 42px 28px 40px 32px / 32px 44px 28px 40px; }
  50% { border-radius: 30px 48px 34px 46px / 46px 28px 44px 30px; }
  100% { border-radius: 46px 32px 38px 44px / 30px 42px 32px 48px; }
}

@keyframes studyLiftIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes studyFloat {
  from { transform: translateY(0); }
  to { transform: translateY(-6px); }
}

@keyframes studyInputShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  50% { transform: translateX(6px); }
  75% { transform: translateX(-4px); }
}

.study-input-shake {
  animation: studyInputShake 0.35s ease;
}

.study-command-stage,
.study-analytics-stage,
.study-coursework-stage {
  min-height: 100svh;
  padding: 28px 28px 40px;
  display: flex;
}

.study-stage-inner {
  width: min(1280px, 100%);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.study-topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
}

.study-back-btn {
  width: 42px;
  height: 42px;
  border: 1px solid var(--study-line);
  border-radius: 16px;
  background: transparent;
  color: var(--study-ink);
  font-size: 20px;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.study-back-btn:hover {
  background: rgba(255, 255, 255, 0.52);
  border-color: var(--study-line-strong);
  transform: translateY(-1px);
}

.study-topbar-brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.study-topbar-kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--study-muted);
}

.study-topbar-brand strong {
  font-family: "Playfair Display", serif;
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 400;
  color: var(--study-ink-strong);
}

.study-topbar-nav {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.study-jump-btn,
.study-secondary-btn,
.study-obj-btn,
.study-chat-send {
  border: 1px solid var(--study-line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--study-ink);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.study-jump-btn,
.study-secondary-btn {
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 12px;
}

.study-jump-btn:hover,
.study-secondary-btn:hover,
.study-obj-btn:hover,
.study-chat-send:hover {
  border-color: var(--study-line-strong);
  background: #fff;
  transform: translateY(-1px);
}

.study-stage-copy {
  max-width: 780px;
  padding-top: 10px;
}

.study-stage-title,
.study-section-banner h2 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-weight: 400;
  line-height: 1.02;
  color: var(--study-ink-strong);
}

.study-stage-title {
  font-size: clamp(3.2rem, 6vw, 5.9rem);
  max-width: 10ch;
}

.study-stage-sub,
.study-section-banner p,
.study-action-hint,
.study-command-preview-note,
.study-panel-empty,
.study-pulse-card small,
.study-chat-trace-pre {
  color: var(--study-muted);
  line-height: 1.65;
}

.study-stage-sub {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 16px;
}

.study-liquid-shell,
.study-liquid-panel,
.study-chat-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--study-line);
  background: var(--study-panel);
  box-shadow:
    0 24px 60px rgba(28, 52, 66, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.86);
  animation: studyLiquidMorph 16s ease-in-out infinite alternate;
}

.study-liquid-shell::before,
.study-liquid-panel::before,
.study-chat-panel::before {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -70px;
  top: -84px;
  border-radius: 54% 46% 44% 56% / 60% 42% 58% 40%;
  background: radial-gradient(circle, rgba(126, 205, 231, 0.32), rgba(126, 205, 231, 0) 70%);
  pointer-events: none;
}

.study-liquid-shell::after,
.study-liquid-panel::after,
.study-chat-panel::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  left: -80px;
  bottom: -110px;
  border-radius: 46% 54% 60% 40% / 44% 58% 42% 56%;
  background: radial-gradient(circle, rgba(240, 156, 51, 0.22), rgba(240, 156, 51, 0) 72%);
  pointer-events: none;
}

.study-command-shell {
  padding: 30px;
  display: grid;
  gap: 18px;
  background: linear-gradient(180deg, #fffdf8, #fff8ef);
  animation:
    studyLiquidMorph 18s ease-in-out infinite alternate,
    studyLiftIn 420ms cubic-bezier(0.2, 0, 0, 1) both;
}

.study-command-head,
.study-command-actions,
.study-panel-head,
.study-obj-top,
.study-obj-actions,
.study-chat-head,
.study-chat-meta {
  position: relative;
  z-index: 1;
}

.study-command-head,
.study-panel-head,
.study-chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.study-command-kicker,
.study-section-kicker,
.study-section-head,
.study-chat-trace-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--study-muted-soft);
}

.study-mode-toggle {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(28, 52, 66, 0.08);
}

.study-mode-btn {
  border: 0;
  background: transparent;
  color: var(--study-muted);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
}

.study-mode-btn.active {
  background: linear-gradient(135deg, rgba(240, 156, 51, 0.16), rgba(126, 205, 231, 0.16));
  color: var(--study-ink-strong);
}

.study-command-input-shell {
  position: relative;
  z-index: 1;
  padding: 6px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(240, 156, 51, 0.12), rgba(126, 205, 231, 0.16));
}

.study-command-input,
.study-chat-input {
  width: 100%;
  border: 0;
  outline: none;
  color: var(--study-ink-strong);
  background: #fffefb;
  caret-color: var(--study-accent);
}

.study-command-input {
  min-height: 74px;
  border-radius: 22px;
  padding: 20px 22px;
  font-size: 18px;
  box-shadow: inset 0 0 0 1px rgba(28, 52, 66, 0.06);
}

.study-command-input::placeholder,
.study-chat-input::placeholder {
  color: #93a0a8;
}

.study-source-deck {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.study-src-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px;
  border: 1px solid var(--study-line);
  border-radius: 26px 18px 22px 20px / 20px 24px 18px 26px;
  background: rgba(255, 255, 255, 0.72);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.study-src-card:hover,
.study-src-card.active {
  transform: translateY(-2px);
  border-color: rgba(28, 52, 66, 0.22);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(240, 156, 51, 0.08));
}

.study-src-icon {
  font-size: 18px;
  color: var(--study-accent);
}

.study-src-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.study-src-copy strong {
  color: var(--study-ink-strong);
  font-size: 13px;
}

.study-src-copy small {
  color: var(--study-muted);
  font-size: 12px;
  line-height: 1.45;
}

.study-suggestion-row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.study-suggestion-chip {
  padding: 9px 14px;
  border: 1px solid var(--study-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--study-ink);
  font-size: 12px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.study-suggestion-chip:hover {
  transform: translateY(-1px);
  border-color: var(--study-line-strong);
  background: #fff;
}

.study-command-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.study-primary-btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--study-accent), #f3bc66);
  color: #fffef9;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 16px 26px rgba(240, 156, 51, 0.24);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.study-primary-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 32px rgba(240, 156, 51, 0.3);
}

.study-command-preview {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  border-radius: 34px 24px 28px 30px / 30px 30px 24px 34px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(126, 205, 231, 0.08));
  border: 1px solid rgba(28, 52, 66, 0.08);
}

.study-command-preview-title {
  display: block;
  font-size: 22px;
  color: var(--study-ink-strong);
  margin-bottom: 8px;
}

.study-command-preview-note {
  margin: 0;
  font-size: 14px;
}

.study-command-preview-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.study-command-preview-stats div,
.study-source-foot div {
  padding: 14px;
  border-radius: 22px 16px 20px 18px / 18px 22px 16px 20px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(28, 52, 66, 0.08);
}

.study-command-preview-stats strong,
.study-source-foot strong {
  display: block;
  font-size: 18px;
  color: var(--study-ink-strong);
}

.study-command-preview-stats span,
.study-source-foot span {
  display: block;
  margin-top: 4px;
  color: var(--study-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.study-analytics-body,
.study-coursework-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.study-section-banner {
  max-width: 820px;
}

.study-section-banner h2 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.study-section-banner p {
  margin: 10px 0 0;
  font-size: 15px;
  max-width: 58ch;
}

.study-stats-ribbon {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.study-stat-ribbon-card {
  padding: 18px 16px;
  border-radius: 26px 18px 22px 24px / 22px 24px 18px 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 249, 241, 0.94));
  border: 1px solid var(--study-line);
  display: flex;
  flex-direction: column;
  gap: 6px;
  animation: studyLiftIn 400ms cubic-bezier(0.2, 0, 0, 1) both;
}

.study-stat-icon {
  font-size: 15px;
  color: var(--study-accent);
}

.study-stat-val {
  font-size: 28px;
  color: var(--study-ink-strong);
  line-height: 1;
}

.study-stat-label {
  font-size: 10px;
  color: var(--study-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.study-analytics-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.7fr);
  gap: 18px;
  align-items: start;
}

.study-liquid-panel {
  padding: 22px;
  border-radius: 38px 26px 34px 30px / 28px 38px 26px 34px;
}

.study-analytics-table {
  grid-column: 1 / -1;
}

.study-panel-glow {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--study-accent), var(--study-accent-2));
  box-shadow: 0 0 0 8px rgba(126, 205, 231, 0.08);
}

.study-orbit-lead {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.study-orbit-metric strong {
  display: block;
  font-size: clamp(2.5rem, 4vw, 4.3rem);
  color: var(--study-ink-strong);
  line-height: 0.95;
}

.study-orbit-metric span {
  display: inline-block;
  margin-top: 8px;
  color: var(--study-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
}

.study-orbit-lead p {
  margin: 0;
  max-width: 28ch;
}

.study-primary-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 16px;
}

.study-orbit-list,
.study-pulse-cluster,
.study-source-row,
.study-board-table,
.study-session-table {
  display: grid;
  gap: 12px;
}

.study-orbit-item,
.study-pulse-card,
.study-session-table-row {
  padding: 16px;
  border-radius: 28px 18px 22px 24px / 20px 26px 18px 28px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(28, 52, 66, 0.08);
}

.study-orbit-item-top,
.study-source-row-copy {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.study-orbit-item-top strong,
.study-source-row-copy strong,
.study-board-subject strong,
.study-session-main strong {
  color: var(--study-ink-strong);
}

.study-orbit-item-top em,
.study-source-row-copy em,
.study-board-cell,
.study-session-table-row {
  color: var(--study-muted);
  font-style: normal;
  font-size: 12px;
}

.study-orbit-meter,
.study-source-row-bar,
.study-obj-bar-wrap {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(28, 52, 66, 0.08);
}

.study-orbit-meter i,
.study-source-row-bar i,
.study-obj-bar {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--study-accent), var(--study-accent-2));
}

.study-pulse-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--study-muted-soft);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.study-pulse-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  color: var(--study-ink-strong);
  line-height: 1.4;
}

.study-pulse-card.warm {
  background: linear-gradient(180deg, rgba(240, 156, 51, 0.14), rgba(255, 255, 255, 0.78));
}

.study-pulse-card.cool {
  background: linear-gradient(180deg, rgba(126, 205, 231, 0.16), rgba(255, 255, 255, 0.78));
}

.study-source-foot {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.study-table-split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 18px;
}

.study-table-side-head {
  margin-bottom: 8px;
  color: var(--study-muted-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.study-board-head,
.study-board-row,
.study-session-table-row {
  display: grid;
  align-items: center;
  gap: 12px;
}

.study-board-head,
.study-board-row {
  grid-template-columns: minmax(0, 2fr) repeat(4, minmax(70px, 0.7fr));
}

.study-board-head {
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(28, 52, 66, 0.08);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--study-muted-soft);
}

.study-board-row {
  padding: 12px 0;
  border-bottom: 1px solid rgba(28, 52, 66, 0.06);
}

.study-board-subject,
.study-session-main {
  display: flex;
  align-items: center;
  gap: 12px;
}

.study-board-subject span,
.study-session-main span {
  font-size: 20px;
}

.study-board-subject small,
.study-session-main small {
  display: block;
  color: var(--study-muted);
}

.study-session-table-row {
  grid-template-columns: minmax(0, 2fr) repeat(3, minmax(70px, 0.7fr));
}

.study-coursework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.study-obj-card {
  position: relative;
  padding: 22px;
  border-radius: 42px 24px 34px 30px / 30px 40px 24px 34px;
  border: 1px solid var(--study-line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 249, 241, 0.98));
  box-shadow: 0 18px 42px rgba(28, 52, 66, 0.08);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.study-coursework-grid .study-obj-card:nth-child(2n) {
  transform: translateY(12px);
}

.study-obj-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 54px rgba(28, 52, 66, 0.12);
  border-color: var(--study-line-strong);
}

.study-obj-card.active {
  border-color: rgba(126, 205, 231, 0.58);
}

.study-obj-card.done {
  opacity: 0.76;
}

.study-obj-top,
.study-obj-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.study-obj-source-pill,
.study-obj-status-pill,
.study-chat-pill {
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(28, 52, 66, 0.08);
  color: var(--study-muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.study-obj-status-pill {
  margin-left: auto;
}

.study-obj-ring {
  margin-left: auto;
  position: relative;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.study-obj-ring canvas {
  position: absolute;
  inset: 0;
}

.study-obj-pct {
  position: relative;
  z-index: 1;
  font-size: 11px;
  color: var(--study-ink-strong);
}

.study-obj-emoji {
  font-size: 30px;
  flex-shrink: 0;
}

.study-obj-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.study-obj-subject {
  color: var(--study-ink-strong);
  font-size: 17px;
  font-weight: 600;
}

.study-obj-source {
  color: var(--study-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.study-obj-stats,
.study-obj-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  color: var(--study-muted);
  font-size: 12px;
}

.study-obj-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.study-obj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 12px;
}

.study-obj-btn-primary {
  width: 100%;
  justify-content: center;
  background: linear-gradient(135deg, rgba(240, 156, 51, 0.18), rgba(126, 205, 231, 0.16));
  border-color: rgba(28, 52, 66, 0.14);
  color: var(--study-ink-strong);
}

.study-obj-btn-chat {
  background: linear-gradient(135deg, rgba(126, 205, 231, 0.16), rgba(255, 255, 255, 0.84));
}

.study-obj-btn.mark-done {
  background: linear-gradient(135deg, rgba(76, 175, 130, 0.16), rgba(255, 255, 255, 0.8));
}

.study-obj-btn.del {
  margin-left: auto;
  min-width: 46px;
  text-align: center;
}

.study-empty-state {
  grid-column: 1 / -1;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px;
  border: 1px dashed rgba(28, 52, 66, 0.18);
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.62);
  text-align: center;
}

.study-empty-icon {
  font-size: 36px;
  color: var(--study-accent);
}

.study-chat-panel {
  position: fixed;
  right: 28px;
  bottom: 26px;
  width: min(560px, calc(100vw - 32px));
  height: min(72vh, 760px);
  z-index: 40;
  display: flex;
  flex-direction: column;
  border-radius: 38px 24px 34px 30px / 30px 38px 24px 34px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(26px) scale(0.98);
  transition: opacity 220ms ease, transform 220ms ease;
}

.study-chat-panel.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.study-chat-copy {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.study-chat-title {
  font-size: 22px;
  color: var(--study-ink-strong);
  font-family: "Playfair Display", serif;
}

.study-chat-head {
  padding: 20px 22px 14px;
}

.study-chat-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.study-chat-close {
  width: 38px;
  height: 38px;
  border: 1px solid var(--study-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--study-ink);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.study-chat-close:hover {
  background: #fff;
  border-color: var(--study-line-strong);
  transform: translateY(-1px);
}

.study-chat-body {
  position: relative;
  z-index: 1;
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 16px;
  padding: 0 22px 18px;
}

.study-chat-thread {
  min-height: 0;
  overflow-y: auto;
  padding: 10px 4px 10px 0;
}

.study-chat-trace {
  min-height: 0;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(28, 52, 66, 0.08);
  padding: 14px;
  overflow: hidden;
}

.study-chat-trace-pre {
  margin: 10px 0 0;
  height: calc(100% - 26px);
  overflow: auto;
  font-size: 11px;
  white-space: pre-wrap;
}

.study-chat-composer {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 0 22px 22px;
}

.study-chat-input {
  min-height: 54px;
  border-radius: 20px;
  padding: 0 18px;
  box-shadow: inset 0 0 0 1px rgba(28, 52, 66, 0.08);
}

.study-chat-send {
  border-radius: 20px;
  padding: 0 18px;
}

.study-chat-thread .msg-bubble {
  border-left: 0;
  margin-bottom: 10px;
}

.study-chat-thread .msg-header,
.study-chat-thread .msg-footer {
  color: var(--study-muted);
}

.study-chat-thread .msg-body {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(28, 52, 66, 0.08);
  color: var(--study-ink-strong);
  border-radius: 20px;
}

.study-chat-thread .msg-bubble.msg-user .msg-body {
  background: linear-gradient(135deg, rgba(126, 205, 231, 0.18), rgba(255, 255, 255, 0.88));
  border-color: rgba(126, 205, 231, 0.34);
}

.study-chat-thread .msg-bubble.msg-bot .msg-body {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(240, 156, 51, 0.08));
  border-color: rgba(240, 156, 51, 0.18);
}

.study-chat-thread .msg-actions {
  opacity: 1;
  pointer-events: auto;
}

.study-chat-thread .msg-action-btn {
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(28, 52, 66, 0.08);
  color: var(--study-muted);
}

.study-chat-thread .msg-sources {
  color: var(--study-muted);
  border-color: rgba(126, 205, 231, 0.24);
}

@media (max-width: 1120px) {
  .study-analytics-grid,
  .study-table-split,
  .study-primary-columns {
    grid-template-columns: 1fr;
  }

  .study-stats-ribbon {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .study-topbar {
    grid-template-columns: auto 1fr;
  }

  .study-topbar-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .study-source-deck,
  .study-command-preview,
  .study-command-preview-stats {
    grid-template-columns: 1fr;
  }

  .study-command-actions,
  .study-orbit-lead,
  .study-obj-meta-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .study-chat-body {
    grid-template-columns: 1fr;
  }

  .study-chat-panel {
    width: calc(100vw - 24px);
    right: 12px;
    bottom: 12px;
  }
}

@media (max-width: 640px) {
  .study-command-stage,
  .study-analytics-stage,
  .study-coursework-stage {
    padding: 18px 14px 26px;
    min-height: auto;
  }

  .study-stage-title,
  .study-section-banner h2 {
    font-size: 2.5rem;
  }

  .study-command-shell,
  .study-liquid-panel {
    padding: 18px;
  }

  .study-source-deck,
  .study-stats-ribbon,
  .study-coursework-grid {
    grid-template-columns: 1fr;
  }

  .study-board-head {
    display: none;
  }

  .study-board-row,
  .study-session-table-row {
    grid-template-columns: 1fr;
  }

  .study-coursework-grid .study-obj-card:nth-child(2n) {
    transform: none;
  }

  .study-chat-panel {
    left: 12px;
    right: 12px;
    width: auto;
    height: min(78vh, 760px);
  }
}