:root {
  color-scheme: light;

  &:has(> head > meta[name="color-scheme"][content="dark"]) {
    color-scheme: dark;
  }

  /* Raw Light / Dark Token Pairs */
  --bg-obsidian-light: #eef2f7;
  --bg-obsidian-dark: #090a0f;
  --bg-elevated-light: #ffffff;
  --bg-elevated-dark: #12141c;
  --bg-glass-light: rgba(255, 255, 255, 0.84);
  --bg-glass-dark: rgba(18, 20, 26, 0.72);
  --bg-glass-strong-light: rgba(255, 255, 255, 0.96);
  --bg-glass-strong-dark: rgba(14, 16, 22, 0.88);
  --topbar-bg-light: rgba(248, 250, 252, 0.92);
  --topbar-bg-dark: rgba(9, 10, 15, 0.88);
  --dock-bg-light: rgba(255, 255, 255, 0.86);
  --dock-bg-dark: rgba(18, 20, 28, 0.68);
  --card-surface-light: rgba(15, 23, 42, 0.04);
  --card-surface-dark: rgba(255, 255, 255, 0.035);
  --card-subtle-light: rgba(15, 23, 42, 0.055);
  --card-subtle-dark: rgba(255, 255, 255, 0.045);
  --seg-bg-light: rgba(15, 23, 42, 0.07);
  --seg-bg-dark: rgba(255, 255, 255, 0.06);
  --seg-active-bg-light: #ffffff;
  --seg-active-bg-dark: rgba(255, 255, 255, 0.16);
  --pill-hover-light: rgba(226, 232, 240, 0.95);
  --pill-hover-dark: rgba(30, 34, 46, 0.85);
  --border-subtle-light: rgba(15, 23, 42, 0.16);
  --border-subtle-dark: rgba(255, 255, 255, 0.10);
  --border-strong-light: rgba(15, 23, 42, 0.30);
  --border-strong-dark: rgba(255, 255, 255, 0.20);
  --text-primary-light: #0f172a;
  --text-primary-dark: #f5f5f7;
  --text-secondary-light: #334155;
  --text-secondary-dark: #b4bccb;
  --text-muted-light: #475569;
  --text-muted-dark: #8d95a6;
  --app-grad-light: #dce5f1;
  --app-grad-dark: #161b26;
  --vp-grad-start-light: #e2e8f0;
  --vp-grad-start-dark: #191d28;
  --vp-grad-end-light: #cbd5e1;
  --vp-grad-end-dark: #07080d;
  --scrollbar-track-light: #e2e8f0;
  --scrollbar-track-dark: #141720;
  --scrollbar-thumb-light: #64748b;
  --scrollbar-thumb-dark: #6f788a;
  --brand-badge-fg-light: #0052a3;
  --brand-badge-fg-dark: #64b5ff;
  --brand-subtitle-fg-light: #1e40af;
  --brand-subtitle-fg-dark: #93c5fd;
  --nav-controls-fg-light: #0052a3;
  --nav-controls-fg-dark: #7cc4ff;
  --nav-controls-hover-fg-light: #003d80;
  --nav-controls-hover-fg-dark: #bae0ff;
  --nav-horizon-fg-light: #0369a1;
  --nav-horizon-fg-dark: #67e8f9;
  --nav-horizon-hover-fg-light: #075985;
  --nav-horizon-hover-fg-dark: #cffafe;
  --nav-ops-fg-light: #5b21b6;
  --nav-ops-fg-dark: #c4b5fd;
  --nav-ops-hover-fg-light: #4c1d95;
  --nav-ops-hover-fg-dark: #ede9fe;
  --brand-subtitle-fg: var(--brand-subtitle-fg-light);
  --nav-controls-fg: var(--nav-controls-fg-light);
  --nav-controls-hover-fg: var(--nav-controls-hover-fg-light);
  --nav-horizon-fg: var(--nav-horizon-fg-light);
  --nav-horizon-hover-fg: var(--nav-horizon-hover-fg-light);
  --nav-ops-fg: var(--nav-ops-fg-light);
  --nav-ops-hover-fg: var(--nav-ops-hover-fg-light);
  --provenance-fg-light: #1e293b;
  --provenance-fg-dark: #cdd6e4;
  --provenance-live-fg-light: #0f5e28;
  --provenance-live-fg-dark: #a9f5bc;
  --audit-fg-light: #0f5e28;
  --audit-fg-dark: #30d158;
  --audit-fail-fg-light: #b91c1c;
  --audit-fail-fg-dark: #ff6b63;
  --hero-safe-fg-light: #0b5323;
  --hero-safe-fg-dark: #7df299;
  --hero-caution-fg-light: #854000;
  --hero-caution-fg-dark: #ffc566;
  --hero-exceeded-fg-light: #991b1b;
  --hero-exceeded-fg-dark: #ff8e88;
  --sample-fg-light: #854000;
  --sample-fg-dark: #ffca74;
  --sar-fg-light: #0052a3;
  --sar-fg-dark: #8cc8ff;
  --act-fg-light: #0052a3;
  --act-fg-dark: #70b7ff;
  --canvas-card-bg-light: #f2f5fa;
  --canvas-card-bg-dark: #05070c;
  --slider-track-light: rgba(15, 23, 42, 0.22);
  --slider-track-dark: rgba(255, 255, 255, 0.16);
  --dialog-bg-light: rgba(255, 255, 255, 0.97);
  --dialog-bg-dark: rgba(14, 16, 23, 0.94);

  /* Fallback tokens (light baseline -> prefers-color-scheme: dark) */
  --bg-obsidian: var(--bg-obsidian-light);
  --bg-elevated: var(--bg-elevated-light);
  --bg-glass: var(--bg-glass-light);
  --bg-glass-strong: var(--bg-glass-strong-light);
  --topbar-bg: var(--topbar-bg-light);
  --dock-bg: var(--dock-bg-light);
  --card-surface: var(--card-surface-light);
  --card-subtle: var(--card-subtle-light);
  --seg-bg: var(--seg-bg-light);
  --seg-active-bg: var(--seg-active-bg-light);
  --pill-hover: var(--pill-hover-light);
  --border-subtle: var(--border-subtle-light);
  --border-strong: var(--border-strong-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --text-muted: var(--text-muted-light);
  --app-grad-start: var(--app-grad-light);
  --viewport-grad-start: var(--vp-grad-start-light);
  --viewport-grad-end: var(--vp-grad-end-light);
  --scrollbar-track: var(--scrollbar-track-light);
  --scrollbar-thumb: var(--scrollbar-thumb-light);
  --brand-badge-fg: var(--brand-badge-fg-light);
  --provenance-fg: var(--provenance-fg-light);
  --provenance-live-fg: var(--provenance-live-fg-light);
  --audit-fg: var(--audit-fg-light);
  --audit-fail-fg: var(--audit-fail-fg-light);
  --hero-safe-fg: var(--hero-safe-fg-light);
  --hero-caution-fg: var(--hero-caution-fg-light);
  --hero-exceeded-fg: var(--hero-exceeded-fg-light);
  --sample-fg: var(--sample-fg-light);
  --sar-fg: var(--sar-fg-light);
  --act-fg: var(--act-fg-light);
  --canvas-card-bg: var(--canvas-card-bg-light);
  --slider-track-bg: var(--slider-track-light);
  --dialog-bg: var(--dialog-bg-light);

  &:has(> head > meta[name="color-scheme"][content="dark"]) {
    --bg-obsidian: var(--bg-obsidian-dark);
    --bg-elevated: var(--bg-elevated-dark);
    --bg-glass: var(--bg-glass-dark);
    --bg-glass-strong: var(--bg-glass-strong-dark);
    --topbar-bg: var(--topbar-bg-dark);
    --dock-bg: var(--dock-bg-dark);
    --card-surface: var(--card-surface-dark);
    --card-subtle: var(--card-subtle-dark);
    --seg-bg: var(--seg-bg-dark);
    --seg-active-bg: var(--seg-active-bg-dark);
    --pill-hover: var(--pill-hover-dark);
    --border-subtle: var(--border-subtle-dark);
    --border-strong: var(--border-strong-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    --app-grad-start: var(--app-grad-dark);
    --viewport-grad-start: var(--vp-grad-start-dark);
    --viewport-grad-end: var(--vp-grad-end-dark);
    --scrollbar-track: var(--scrollbar-track-dark);
    --scrollbar-thumb: var(--scrollbar-thumb-dark);
    --brand-badge-fg: var(--brand-badge-fg-dark);
    --brand-subtitle-fg: var(--brand-subtitle-fg-dark);
    --nav-controls-fg: var(--nav-controls-fg-dark);
    --nav-controls-hover-fg: var(--nav-controls-hover-fg-dark);
    --nav-horizon-fg: var(--nav-horizon-fg-dark);
    --nav-horizon-hover-fg: var(--nav-horizon-hover-fg-dark);
    --nav-ops-fg: var(--nav-ops-fg-dark);
    --nav-ops-hover-fg: var(--nav-ops-hover-fg-dark);
    --provenance-fg: var(--provenance-fg-dark);
    --provenance-live-fg: var(--provenance-live-fg-dark);
    --audit-fg: var(--audit-fg-dark);
    --audit-fail-fg: var(--audit-fail-fg-dark);
    --hero-safe-fg: var(--hero-safe-fg-dark);
    --hero-caution-fg: var(--hero-caution-fg-dark);
    --hero-exceeded-fg: var(--hero-exceeded-fg-dark);
    --sample-fg: var(--sample-fg-dark);
    --sar-fg: var(--sar-fg-dark);
    --act-fg: var(--act-fg-dark);
    --canvas-card-bg: var(--canvas-card-bg-dark);
    --slider-track-bg: var(--slider-track-dark);
    --dialog-bg: var(--dialog-bg-dark);
  }

  @supports (color: light-dark(white, black)) {
    --bg-obsidian: light-dark(var(--bg-obsidian-light), var(--bg-obsidian-dark));
    --bg-elevated: light-dark(var(--bg-elevated-light), var(--bg-elevated-dark));
    --bg-glass: light-dark(var(--bg-glass-light), var(--bg-glass-dark));
    --bg-glass-strong: light-dark(var(--bg-glass-strong-light), var(--bg-glass-strong-dark));
    --topbar-bg: light-dark(var(--topbar-bg-light), var(--topbar-bg-dark));
    --dock-bg: light-dark(var(--dock-bg-light), var(--dock-bg-dark));
    --card-surface: light-dark(var(--card-surface-light), var(--card-surface-dark));
    --card-subtle: light-dark(var(--card-subtle-light), var(--card-subtle-dark));
    --seg-bg: light-dark(var(--seg-bg-light), var(--seg-bg-dark));
    --seg-active-bg: light-dark(var(--seg-active-bg-light), var(--seg-active-bg-dark));
    --pill-hover: light-dark(var(--pill-hover-light), var(--pill-hover-dark));
    --border-subtle: light-dark(var(--border-subtle-light), var(--border-subtle-dark));
    --border-strong: light-dark(var(--border-strong-light), var(--border-strong-dark));
    --text-primary: light-dark(var(--text-primary-light), var(--text-primary-dark));
    --text-secondary: light-dark(var(--text-secondary-light), var(--text-secondary-dark));
    --text-muted: light-dark(var(--text-muted-light), var(--text-muted-dark));
    --app-grad-start: light-dark(var(--app-grad-light), var(--app-grad-dark));
    --viewport-grad-start: light-dark(var(--vp-grad-start-light), var(--vp-grad-start-dark));
    --viewport-grad-end: light-dark(var(--vp-grad-end-light), var(--vp-grad-end-dark));
    --scrollbar-track: light-dark(var(--scrollbar-track-light), var(--scrollbar-track-dark));
    --scrollbar-thumb: light-dark(var(--scrollbar-thumb-light), var(--scrollbar-thumb-dark));
    --brand-badge-fg: light-dark(var(--brand-badge-fg-light), var(--brand-badge-fg-dark));
    --brand-subtitle-fg: light-dark(var(--brand-subtitle-fg-light), var(--brand-subtitle-fg-dark));
    --nav-controls-fg: light-dark(var(--nav-controls-fg-light), var(--nav-controls-fg-dark));
    --nav-controls-hover-fg: light-dark(var(--nav-controls-hover-fg-light), var(--nav-controls-hover-fg-dark));
    --nav-horizon-fg: light-dark(var(--nav-horizon-fg-light), var(--nav-horizon-fg-dark));
    --nav-horizon-hover-fg: light-dark(var(--nav-horizon-hover-fg-light), var(--nav-horizon-hover-fg-dark));
    --nav-ops-fg: light-dark(var(--nav-ops-fg-light), var(--nav-ops-fg-dark));
    --nav-ops-hover-fg: light-dark(var(--nav-ops-hover-fg-light), var(--nav-ops-hover-fg-dark));
    --provenance-fg: light-dark(var(--provenance-fg-light), var(--provenance-fg-dark));
    --provenance-live-fg: light-dark(var(--provenance-live-fg-light), var(--provenance-live-fg-dark));
    --audit-fg: light-dark(var(--audit-fg-light), var(--audit-fg-dark));
    --audit-fail-fg: light-dark(var(--audit-fail-fg-light), var(--audit-fail-fg-dark));
    --hero-safe-fg: light-dark(var(--hero-safe-fg-light), var(--hero-safe-fg-dark));
    --hero-caution-fg: light-dark(var(--hero-caution-fg-light), var(--hero-caution-fg-dark));
    --hero-exceeded-fg: light-dark(var(--hero-exceeded-fg-light), var(--hero-exceeded-fg-dark));
    --sample-fg: light-dark(var(--sample-fg-light), var(--sample-fg-dark));
    --sar-fg: light-dark(var(--sar-fg-light), var(--sar-fg-dark));
    --act-fg: light-dark(var(--act-fg-light), var(--act-fg-dark));
    --canvas-card-bg: light-dark(var(--canvas-card-bg-light), var(--canvas-card-bg-dark));
    --slider-track-bg: light-dark(var(--slider-track-light), var(--slider-track-dark));
    --dialog-bg: light-dark(var(--dialog-bg-light), var(--dialog-bg-dark));
  }

  --safe: #30d158;
  --caution: #ff9f0a;
  --critical: #ff453a;
  --primary: #0a84ff;
  accent-color: var(--primary);

  --font-display: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, monospace;
}

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

html,
body {
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg-obsidian);
  color: var(--text-primary);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

.mono-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

#app {
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  display: grid;
  grid-template-rows: 48px 1fr 28px;
  background: radial-gradient(circle at 22% 18%, var(--app-grad-start) 0%, var(--bg-obsidian) 62%);
}

/* Top Header Bar (48px) */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--topbar-bg);
  backdrop-filter: blur(20px);
  min-width: 0;
  min-height: 48px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.5px;
  min-width: 0;
  flex-shrink: 0;
}

.brand-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.14);
  color: var(--brand-badge-fg);
  border: 1px solid rgba(10, 132, 255, 0.35);
  white-space: nowrap;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.022em;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  color: var(--text-primary);
  color: light-dark(#000000, #ffffff);
  white-space: nowrap;
}

.brand-subtitle {
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.008em;
  -webkit-font-smoothing: antialiased;
  color: var(--brand-subtitle-fg);
  white-space: nowrap;
}

@media (max-width: 1280px) {
  #app {
    grid-template-rows: auto 1fr 28px;
  }

  .top-bar {
    flex-wrap: wrap;
    padding: 6px 12px;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* Segmented Control */
.segmented-control {
  display: inline-flex;
  padding: 2px;
  border-radius: 10px;
  background: var(--seg-bg);
  border: 1px solid var(--border-subtle);
}

.seg-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
  white-space: nowrap;
}

.seg-btn:hover {
  color: var(--text-primary);
}

.seg-btn.active {
  background: var(--seg-active-bg);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
}

/* Top Workspace Navigation Dock (Aerospace Cobalt / Cyan-Indigo / Violet) */
.top-nav-tabs.segmented-control {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  padding: 3px;
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.12), rgba(99, 102, 241, 0.12));
  border: 1px solid rgba(10, 132, 255, 0.34);
}

.top-nav-tabs .seg-btn {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 4px 9px;
  border-radius: 7px;
  border: 1px solid transparent;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.top-nav-tabs .seg-btn[data-dock-tab="controls"] {
  color: var(--nav-controls-fg);
  background: rgba(10, 132, 255, 0.08);
  border-color: rgba(10, 132, 255, 0.20);
}

.top-nav-tabs .seg-btn[data-dock-tab="controls"]:hover {
  color: var(--nav-controls-hover-fg);
  background: rgba(10, 132, 255, 0.18);
  border-color: rgba(10, 132, 255, 0.38);
}

.top-nav-tabs .seg-btn[data-dock-tab="controls"].active {
  background: linear-gradient(135deg, #0a84ff, #0055d4);
  border-color: rgba(10, 132, 255, 0.72);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(10, 132, 255, 0.34);
}

.top-nav-tabs .seg-btn[data-dock-tab="horizon"] {
  color: var(--nav-horizon-fg);
  background: rgba(14, 165, 233, 0.09);
  border-color: rgba(14, 165, 233, 0.22);
}

.top-nav-tabs .seg-btn[data-dock-tab="horizon"]:hover {
  color: var(--nav-horizon-hover-fg);
  background: rgba(14, 165, 233, 0.18);
  border-color: rgba(14, 165, 233, 0.40);
}

.top-nav-tabs .seg-btn[data-dock-tab="horizon"].active {
  background: linear-gradient(135deg, #0284c7, #4f46e5);
  border-color: rgba(56, 189, 248, 0.72);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(79, 70, 229, 0.34);
}

.top-nav-tabs .seg-btn[data-open-dialog="ops-dialog"] {
  color: var(--nav-ops-fg);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.13), rgba(79, 70, 229, 0.13));
  border-color: rgba(109, 40, 217, 0.30);
}

.top-nav-tabs .seg-btn[data-open-dialog="ops-dialog"]:hover {
  color: var(--nav-ops-hover-fg);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.24), rgba(79, 70, 229, 0.24));
  border-color: rgba(124, 58, 237, 0.56);
  box-shadow: 0 2px 8px rgba(109, 40, 217, 0.22);
}

/* Planetary Landing Site Location Switcher (Martian geological tones vs neutral workspace tabs) */
.site-location-switcher {
  align-items: center;
  gap: 2px;
  background: linear-gradient(135deg, rgba(200, 75, 32, 0.14), rgba(184, 98, 20, 0.10));
  border: 1px solid rgba(200, 75, 32, 0.38);
}

.site-loc-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.site-loc-btn[hidden] {
  display: none;
}

.site-loc-btn::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  flex-shrink: 0;
}

.site-loc-btn[data-site="MOUNT_SHARP_BOXWORK"]::before {
  background: #d95326;
  box-shadow: 0 0 6px rgba(217, 83, 38, 0.65);
}

.site-loc-btn[data-site="JEZERO_DELTA"]::before {
  background: #c97316;
  box-shadow: 0 0 6px rgba(201, 115, 22, 0.65);
}

.site-loc-btn[data-site="CUSTOM_MISSION_DEM"]::before {
  background: #109e78;
  box-shadow: 0 0 6px rgba(16, 158, 120, 0.65);
}

.site-loc-btn[data-site="MOUNT_SHARP_BOXWORK"]:hover:not(.active) {
  background: rgba(200, 75, 32, 0.14);
}

.site-loc-btn[data-site="JEZERO_DELTA"]:hover:not(.active) {
  background: rgba(184, 98, 20, 0.14);
}

.site-loc-btn[data-site="CUSTOM_MISSION_DEM"]:hover:not(.active) {
  background: rgba(13, 122, 95, 0.14);
}

.site-location-switcher .site-loc-btn[data-site="MOUNT_SHARP_BOXWORK"].active {
  background: linear-gradient(135deg, #c84b20, #a63612);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(166, 54, 18, 0.38);
}

.site-location-switcher .site-loc-btn[data-site="JEZERO_DELTA"].active {
  background: linear-gradient(135deg, #b86214, #944808);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(148, 72, 8, 0.38);
}

.site-location-switcher .site-loc-btn[data-site="CUSTOM_MISSION_DEM"].active {
  background: linear-gradient(135deg, #0d7a5f, #095c47);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(9, 92, 71, 0.38);
}

.site-location-switcher .site-loc-btn.active::before {
  background: #ffffff;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.9);
}

.hud-pill {
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s ease, transform 0.12s ease, background 0.15s ease;
}

.hud-pill:hover {
  border-color: var(--border-strong);
  background: var(--pill-hover);
}

.provenance-pill {
  max-width: 310px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--provenance-fg);
}

.provenance-pill.is-live {
  border-color: rgba(48, 209, 88, 0.45);
  color: var(--provenance-live-fg);
  background: rgba(48, 209, 88, 0.14);
}

.audit-pill {
  border-color: rgba(48, 209, 88, 0.45);
  color: var(--audit-fg);
  background: rgba(48, 209, 88, 0.12);
}

.audit-pill.is-fail {
  border-color: rgba(255, 69, 58, 0.55);
  color: var(--audit-fail-fg);
  background: rgba(255, 69, 58, 0.14);
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 28px;
  padding: 0;
  font-size: 13.5px;
  line-height: 1;
}

.primary-btn {
  background: var(--primary);
  border-color: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.primary-btn:hover {
  background: #1d8fff;
}

/* Main Split Workspace */
.workspace-split {
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr minmax(335px, 410px);
  gap: 10px;
  padding: 10px 12px;
  overflow: hidden;
}

.workspace-split[hidden],
.guide-page[hidden] {
  display: none !important;
}

/* Left 68% 3D Stage */
#viewport-stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 50% 42%, var(--viewport-grad-start) 0%, var(--viewport-grad-end) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

#three-canvas-host {
  width: 100%;
  height: 100%;
  display: block;
}

#three-canvas-host canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.floating-hud {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  z-index: 5;
}

.hud-top-left {
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  pointer-events: none;
}

.hud-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
}

.hud-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  min-width: 78px;
}

.hud-label .layer-info {
  margin-left: 0;
}

.hud-trn-link {
  pointer-events: auto;
  cursor: pointer;
  color: var(--brand-badge-fg);
  font-weight: 700;
  text-decoration: underline dotted rgba(10, 132, 255, 0.55);
  text-underline-offset: 2px;
  border-radius: 4px;
  transition: opacity 0.15s ease, background 0.15s ease;
}

.hud-trn-link:hover,
.hud-trn-link:focus-visible {
  background: rgba(10, 132, 255, 0.12);
  outline: 1px solid rgba(10, 132, 255, 0.45);
}

.hud-top-right {
  top: 12px;
  right: 12px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}

.legend-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10.5px;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
}

.dot-safe {
  background: var(--safe);
  box-shadow: 0 0 8px rgba(48, 209, 88, 0.7);
}

.dot-caution {
  background: var(--caution);
  box-shadow: 0 0 8px rgba(255, 159, 10, 0.7);
}

.dot-exceeded {
  background: var(--critical);
  box-shadow: 0 0 8px rgba(255, 69, 58, 0.8);
}

.dot-path {
  background: var(--primary);
  box-shadow: 0 0 8px rgba(10, 132, 255, 0.8);
}

.active-layer-key {
  font-size: 10.5px;
  line-height: 1.3;
  color: var(--text-primary);
  background: var(--card-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 4px 8px;
  max-width: 420px;
  text-align: right;
  transition: opacity 0.15s ease, border-color 0.15s ease;
}

.active-layer-key.is-bypassed {
  opacity: 0.72;
  color: var(--text-secondary);
}

.waypoint-pills {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.wp-jump-btn {
  border: 1px solid var(--border-subtle);
  background: var(--card-subtle);
  color: var(--text-primary);
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.wp-jump-btn:hover {
  border-color: var(--primary);
  background: rgba(10, 132, 255, 0.18);
}

/* Bottom-Center 5 NASA Layer Pills Bar — Forced Single Horizontal Row */
.layer-bar {
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 5px;
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  justify-content: flex-start;
  gap: 4px;
  width: max-content;
  max-width: calc(100% - 14px);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.layer-bar::-webkit-scrollbar {
  display: none;
}

.layer-pill {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 4px 7px;
  border-radius: 9px;
  background: var(--card-surface);
  border: 1px solid var(--border-subtle);
  transition: border-color 0.15s ease, background 0.15s ease;
  min-width: 0;
  flex: 0 0 auto;
  white-space: nowrap;
}

.layer-pill.active {
  background: rgba(10, 132, 255, 0.16);
  border-color: rgba(10, 132, 255, 0.55);
}

.layer-pill.is-disabled {
  opacity: 0.62;
}

.layer-pill-top {
  display: inline-flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 4px;
  white-space: nowrap;
}

.layer-toggle {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.layer-toggle input {
  accent-color: var(--safe);
  width: 12px;
  height: 12px;
  cursor: pointer;
}

.layer-shader-btn {
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  padding: 0;
  text-align: left;
  white-space: nowrap;
}

.layer-info {
  position: relative;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--card-subtle);
  color: var(--brand-badge-fg);
  font-size: 10px;
  cursor: help;
  flex-shrink: 0;
  pointer-events: auto;
  transition: background 0.14s ease, border-color 0.14s ease, transform 0.14s ease;
}

.layer-info:hover,
.layer-info:focus-visible,
.layer-info[aria-expanded="true"] {
  background: rgba(10, 132, 255, 0.18);
  border-color: rgba(10, 132, 255, 0.72);
  transform: scale(1.08);
  outline: none;
}

.layer-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: 248px;
  padding: 9px 11px;
  border-radius: 11px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid var(--border-strong);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 400;
  line-height: 1.42;
  color: var(--text-primary);
  text-align: left;
  white-space: normal;
  z-index: 30;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

body.ui-tooltips-ready .layer-tooltip {
  display: none !important;
}

.layer-pill[data-layer="topo"] .layer-tooltip {
  left: 0;
  transform: none;
}

.layer-pill[data-layer="rad"] .layer-tooltip {
  left: auto;
  right: 0;
  transform: none;
}

.layer-info:hover .layer-tooltip,
.layer-info:focus .layer-tooltip,
.layer-info:focus-visible .layer-tooltip {
  opacity: 1;
  visibility: visible;
}

.layer-impact {
  font-size: 8.8px;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Global Viewport-Clamped Tooltip Portal */
.global-ui-tooltip {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: min(278px, calc(100vw - 24px));
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--border-strong);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.34);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.44;
  color: var(--text-primary);
  text-align: left;
  white-space: normal;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, visibility 0.12s ease;
}

.global-ui-tooltip.is-visible {
  opacity: 1;
  visibility: visible;
}

.global-ui-tooltip code {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--card-subtle);
  border: 1px solid var(--border-subtle);
}

/* Eco Mode Frosted Low-Power Overlay on 3D Stage */
.eco-overlay {
  position: absolute;
  inset: 0;
  padding-bottom: 112px;
  z-index: 12;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 7, 10, 0.72);
  backdrop-filter: blur(18px) saturate(60%);
  -webkit-backdrop-filter: blur(18px) saturate(60%);
}

.eco-overlay.hidden {
  display: none;
}

.eco-overlay-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 26px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(48, 209, 88, 0.45);
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
}

.eco-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--safe);
}

.eco-overlay-card strong {
  font-size: 17px;
  color: #ffffff;
}

.eco-overlay-card p {
  font-size: 12px;
  color: var(--safe);
}

/* On-Screen 30s Story Narration Banner */
.story-caption-banner {
  bottom: 72px;
  left: 50%;
  transform: translateX(-50%);
  width: min(670px, calc(100% - 24px));
  z-index: 15;
  padding: 10px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--safe);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28);
  transition: border-color 0.2s ease, opacity 0.2s ease;
}

.story-caption-banner[hidden] {
  display: none !important;
}

.story-caption-banner[data-story-tone="safe"] {
  border-left-color: var(--safe);
}

.story-caption-banner[data-story-tone="exceeded"] {
  border-left-color: var(--critical);
}

.story-caption-banner[data-story-tone="caution"] {
  border-left-color: var(--caution);
}

.story-caption-banner[data-story-tone="jezero"] {
  border-left-color: var(--primary);
}

.story-caption-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.story-caption-kicker {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand-subtitle-fg);
}

.story-act-pills {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.story-act-pill {
  border: 1px solid var(--border-subtle);
  background: var(--card-subtle);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease, border-color 0.14s ease;
}

.story-act-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.story-act-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.story-caption-close {
  border: 1px solid var(--border-subtle);
  background: var(--card-subtle);
  color: var(--text-secondary);
  width: 20px;
  height: 20px;
  border-radius: 999px;
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.story-caption-close:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.story-caption-title {
  font-family: var(--font-display);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  line-height: 1.2;
}

.story-caption-body {
  font-size: 11.5px;
  line-height: 1.38;
  color: var(--text-secondary);
}

.story-caption-live {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--card-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 4px 8px;
}

.story-progress-track {
  height: 3px;
  border-radius: 999px;
  background: var(--card-subtle);
  overflow: hidden;
  margin-top: 2px;
}

.story-progress-fill {
  height: 100%;
  width: 25%;
  background: linear-gradient(90deg, var(--primary), var(--safe));
  transition: width 0.35s ease;
}

/* Right 32% Flight Dock */
#flight-dock {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  overflow-y: auto;
  border-radius: 18px;
  background: var(--dock-bg);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(24px) saturate(180%);
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.bento-card {
  background: var(--card-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 10px 12px;
  flex-shrink: 0;
}

/* Hero Status Card */
.hero-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.hero-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--text-secondary);
}

.hero-status-pill {
  padding: 9px 11px;
  border-radius: 11px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.hero-status-pill.state-safe {
  background: rgba(48, 209, 88, 0.16);
  border-color: rgba(48, 209, 88, 0.55);
  color: var(--hero-safe-fg);
  box-shadow: 0 0 20px rgba(48, 209, 88, 0.16);
}

.hero-status-pill.state-caution {
  background: rgba(255, 159, 10, 0.18);
  border-color: rgba(255, 159, 10, 0.62);
  color: var(--hero-caution-fg);
  box-shadow: 0 0 20px rgba(255, 159, 10, 0.18);
}

.hero-status-pill.state-exceeded {
  background: rgba(255, 69, 58, 0.22);
  border-color: rgba(255, 69, 58, 0.85);
  color: var(--hero-exceeded-fg);
  animation: pulse-critical 1.15s ease-in-out infinite;
}

@keyframes pulse-critical {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 69, 58, 0.45);
  }
  50% {
    box-shadow: 0 0 22px 3px rgba(255, 69, 58, 0.55);
  }
}

.hero-submetrics {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.hero-submetrics .layer-info {
  margin-left: 2px;
}

/* Flight Dock Panels & Waypoint Grid */
.dock-tab-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  flex: 1;
}

.dock-tab-panel[hidden] {
  display: none !important;
}

.waypoints-card {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.card-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}

.waypoints-card .waypoint-pills {
  justify-content: flex-start;
  gap: 6px;
}

.waypoints-card .wp-jump-btn {
  flex: 1 1 auto;
  text-align: center;
  padding: 6px 10px;
  font-size: 11px;
}

/* Watch Chronometer Card */
.watch-card {
  padding: 9px 11px;
}

.watch-layout {
  display: flex;
  align-items: center;
  gap: 12px;
}

#chronometer-canvas {
  width: clamp(148px, 17.5vh, 188px);
  height: clamp(148px, 17.5vh, 188px);
  flex-shrink: 0;
  border-radius: 36px;
  background: var(--canvas-card-bg);
  border: 1px solid var(--border-subtle);
}

body.eco-active #chronometer-canvas {
  background: #000000;
  border-color: var(--safe);
  box-shadow: 0 0 18px rgba(48, 209, 88, 0.24);
}

.watch-side-controls {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
  flex: 1;
}

.watch-btn-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.watch-btn-row .layer-info {
  margin-left: 0;
}

.eco-toggle-btn {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border-strong);
  background: var(--card-subtle);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  transition: all 0.16s ease;
}

.eco-toggle-btn[aria-pressed="true"] {
  background: #000000;
  border-color: var(--safe);
  color: var(--safe);
  box-shadow: 0 0 14px rgba(48, 209, 88, 0.25);
}

.power-readout {
  font-size: 10.5px;
  line-height: 1.35;
  color: var(--text-secondary);
}

body.eco-active .power-readout {
  color: var(--safe);
}

.act-indicator {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--act-fg);
  padding: 3px 7px;
  border-radius: 6px;
  background: rgba(10, 132, 255, 0.14);
  border: 1px solid rgba(10, 132, 255, 0.3);
  width: fit-content;
}

/* Primary Sliders & Sample Button */
.controls-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11.5px;
}

.slider-header label {
  color: var(--text-secondary);
  font-weight: 500;
}

.label-with-info {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.label-with-info .layer-info {
  margin-left: 0;
}

.slider-header > span {
  font-weight: 700;
  color: var(--text-primary);
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 999px;
  background: var(--slider-track-bg);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--primary);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.sample-btn-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.sample-btn-row .layer-info {
  margin-left: 0;
}

.sample-btn {
  flex: 1;
  min-width: 0;
  border: 1px solid rgba(255, 159, 10, 0.55);
  background: rgba(255, 159, 10, 0.16);
  color: var(--sample-fg);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.sample-btn:hover {
  background: rgba(255, 159, 10, 0.24);
}

.sample-btn:active {
  transform: scale(0.99);
}

/* Collapsible Apple-Styled Accordions */
.bento-accordion {
  background: var(--card-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
}

.bento-accordion summary {
  list-style: none;
  padding: 9px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.bento-accordion summary::-webkit-details-marker {
  display: none;
}

.drawer-body {
  padding: 0 12px 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  border-top: 1px solid var(--border-subtle);
}

#skyline-canvas,
#sparkline-canvas {
  width: 100%;
  height: auto;
  border-radius: 8px;
  background: var(--canvas-card-bg);
  border: 1px solid var(--border-subtle);
  margin-top: 8px;
}

.drawer-caption {
  font-size: 10px;
  color: var(--text-secondary);
}

.deliverable-callout {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(10, 132, 255, 0.34);
  background: rgba(10, 132, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.deliverable-tag {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--brand-badge-fg);
}

.deliverable-desc {
  margin: 0;
  font-size: 11px;
  line-height: 1.42;
  color: var(--text-primary);
}

.trn-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 4px;
}

.trn-stat {
  padding: 6px 8px;
  border-radius: 9px;
  background: var(--card-subtle);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trn-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.trn-value {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-primary);
}

.vitals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}

.vital-cell {
  padding: 6px 8px;
  border-radius: 9px;
  background: var(--card-subtle);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vital-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.vital-cell strong {
  font-size: 11px;
  color: var(--text-primary);
}

/* Bottom Footer (28px) */
.bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px;
  border-top: 1px solid var(--border-subtle);
  background: var(--topbar-bg);
  font-size: 10.5px;
  color: var(--text-muted);
}

.footer-hint {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sar-pill {
  border: 1px solid rgba(10, 132, 255, 0.35);
  background: rgba(10, 132, 255, 0.12);
  color: var(--sar-fg);
  font-family: var(--font-ui);
  font-size: 10.5px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.sar-pill:hover {
  background: rgba(10, 132, 255, 0.22);
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.footer-actions .hud-pill {
  padding: 2px 10px;
  font-size: 10.5px;
  line-height: 1.25;
}

.header-actions .dock-tab-btn.active {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.42);
}

/* Dedicated Full-Page Astronaut User Guide View */
.guide-page {
  min-height: 0;
  overflow-y: auto;
  padding: 16px 20px 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.guide-page-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.guide-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 18px;
}

.guide-page-title {
  margin: 4px 0 6px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.guide-page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 12px;
}

.guide-lede {
  margin: 6px 0 0;
  max-width: 74ch;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.guide-lede em {
  color: var(--text-primary);
  font-style: italic;
}

/* Status legend strip — quick reference for SAFE / CAUTION / EXCEEDED */
.guide-status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.guide-status-chip {
  --chip-color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 12px 11px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  border-top: 2px solid var(--chip-color);
  background: var(--card-surface);
}

.guide-status-chip .guide-status-name {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--chip-color);
}

.guide-status-chip .guide-status-range {
  font-size: 10.5px;
  color: var(--text-secondary);
  opacity: 0.85;
}

.guide-status-chip p {
  margin: 2px 0 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--text-secondary);
}

.chip-safe { --chip-color: #30d158; }
.chip-caution { --chip-color: #ff9f0a; }
.chip-exceeded { --chip-color: #ff453a; }

.guide-list {
  margin: 0;
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.guide-list li {
  padding-left: 2px;
}

.guide-list li::marker {
  color: var(--text-secondary);
  opacity: 0.6;
}

.guide-section h3 .ui-icon {
  width: 15px;
  height: 15px;
  color: var(--primary);
}

.guide-list li > .ui-icon {
  margin-right: 5px;
}

.guide-swatch {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  margin-right: 6px;
  vertical-align: middle;
}

.swatch-safe {
  background: #30d158;
}

.swatch-caution {
  background: #ff9f0a;
}

.swatch-red {
  background: #ff453a;
}

.swatch-blue {
  background: #0a84ff;
}

.viewport-drop-overlay {
  position: absolute;
  inset: 12px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--accent-blue);
  border-radius: 16px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 700;
  pointer-events: none;
}

.viewport-drop-overlay[hidden] {
  display: none;
}

.ops-modal {
  width: min(860px, 94vw);
  overflow: visible;
}

.ops-header-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ops-header-sub {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.35;
}

.ops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

.ops-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 13px 14px;
  border-radius: 13px;
  border: 1px solid var(--border-strong);
  background: var(--card-surface);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.ops-card h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.ops-step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.16);
  border: 1px solid rgba(10, 132, 255, 0.45);
  color: var(--brand-badge-fg);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 800;
  flex-shrink: 0;
}

.ops-desc {
  margin: 0;
  font-size: 11px;
  line-height: 1.45;
  color: var(--text-secondary);
}

.ops-dropzone {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  width: 100%;
  padding: 11px;
  border-radius: 11px;
  border: 1.5px dashed rgba(10, 132, 255, 0.48);
  background: rgba(10, 132, 255, 0.05);
  font-size: 11px;
  color: var(--text-secondary);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.ops-dropzone.is-dragover {
  border-color: var(--accent-blue);
  background: rgba(10, 132, 255, 0.14);
}

.ops-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

.ops-btn-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  max-width: 100%;
}

.ops-btn-item .layer-info {
  margin-left: 0;
}

.hud-pill.ops-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 13px;
  border-radius: 9px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.12);
  transition: transform 0.12s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.hud-pill.ops-action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(10, 132, 255, 0.24);
}

.hud-pill.ops-action-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
}

.hud-pill.ops-btn-primary {
  background: linear-gradient(180deg, #1b90ff 0%, #0a84ff 100%);
  border: 1.5px solid #0a84ff;
  color: #ffffff;
}

.hud-pill.ops-btn-primary:hover {
  background: linear-gradient(180deg, #339cff 0%, #0070e0 100%);
  border-color: #339cff;
}

.hud-pill.ops-btn-secondary {
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.16), rgba(10, 132, 255, 0.08));
  border: 1.5px solid rgba(10, 132, 255, 0.48);
  color: var(--text-primary);
}

.hud-pill.ops-btn-secondary:hover {
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.25), rgba(10, 132, 255, 0.14));
  border-color: var(--accent-blue);
}

.hud-pill.ops-btn-danger {
  background: linear-gradient(180deg, rgba(255, 69, 58, 0.15), rgba(255, 69, 58, 0.07));
  border: 1.5px solid rgba(255, 69, 58, 0.48);
  color: var(--hero-exceeded-fg);
}

.hud-pill.ops-btn-danger:hover {
  background: linear-gradient(180deg, rgba(255, 69, 58, 0.24), rgba(255, 69, 58, 0.14));
  border-color: var(--critical);
  box-shadow: 0 5px 14px rgba(255, 69, 58, 0.22);
}

.ops-status {
  margin-top: auto;
  padding: 6px 9px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--card-subtle);
  font-size: 10.5px;
  color: var(--text-primary);
}

.hud-pill.ops-action-btn.is-live-ops,
.hud-pill.is-live-ops {
  border-color: var(--safe);
  background: linear-gradient(180deg, rgba(48, 209, 88, 0.28), rgba(48, 209, 88, 0.16));
  color: var(--hero-safe-fg);
}

/* Native <dialog> Modals */
.glass-dialog {
  margin: auto;
  width: min(740px, 92vw);
  max-height: 84vh;
  overflow: visible;
  border-radius: 18px;
  border: 1px solid var(--border-strong);
  background: var(--dialog-bg);
  backdrop-filter: blur(28px) saturate(180%);
  color: var(--text-primary);
  padding: 0;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

.glass-dialog::backdrop {
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(6px);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.dialog-header h2 {
  font-size: 15px;
  font-weight: 700;
}

.dialog-close {
  border: 1px solid var(--border-subtle);
  background: var(--card-subtle);
  color: var(--text-primary);
  width: 26px;
  height: 26px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
}

.dialog-body {
  padding: 16px 18px;
  overflow-y: auto;
  max-height: calc(84vh - 58px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 12.5px;
  line-height: 1.45;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.dialog-lead {
  color: var(--text-secondary);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
}

.spec-table th,
.spec-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

.spec-table th {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.tag-live {
  color: var(--audit-fg);
  font-weight: 700;
}

.tag-surrogate {
  color: var(--hero-caution-fg);
  font-weight: 700;
}

.tag-hybrid {
  color: var(--sar-fg);
  font-weight: 700;
}

/* Legacy WebKit scrollbar fallback when standard scrollbar-color is unsupported */
@supports not (scrollbar-color: auto) {
  #flight-dock::-webkit-scrollbar,
  .guide-page::-webkit-scrollbar,
  .dialog-body::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  #flight-dock::-webkit-scrollbar-thumb,
  .guide-page::-webkit-scrollbar-thumb,
  .dialog-body::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 999px;
  }

  #flight-dock::-webkit-scrollbar-track,
  .guide-page::-webkit-scrollbar-track,
  .dialog-body::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
}

/* Fallback class tokens when browser lacks light-dark() support */
@supports not (color: light-dark(white, black)) {
  body:not(.light-mode) {
    --bg-obsidian: var(--bg-obsidian-dark);
    --bg-elevated: var(--bg-elevated-dark);
    --bg-glass: var(--bg-glass-dark);
    --bg-glass-strong: var(--bg-glass-strong-dark);
    --topbar-bg: var(--topbar-bg-dark);
    --dock-bg: var(--dock-bg-dark);
    --card-surface: var(--card-surface-dark);
    --card-subtle: var(--card-subtle-dark);
    --seg-bg: var(--seg-bg-dark);
    --seg-active-bg: var(--seg-active-bg-dark);
    --pill-hover: var(--pill-hover-dark);
    --border-subtle: var(--border-subtle-dark);
    --border-strong: var(--border-strong-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    --app-grad-start: var(--app-grad-dark);
    --viewport-grad-start: var(--vp-grad-start-dark);
    --viewport-grad-end: var(--vp-grad-end-dark);
    --scrollbar-track: var(--scrollbar-track-dark);
    --scrollbar-thumb: var(--scrollbar-thumb-dark);
    --brand-badge-fg: var(--brand-badge-fg-dark);
    --brand-subtitle-fg: var(--brand-subtitle-fg-dark);
    --nav-controls-fg: var(--nav-controls-fg-dark);
    --nav-controls-hover-fg: var(--nav-controls-hover-fg-dark);
    --nav-horizon-fg: var(--nav-horizon-fg-dark);
    --nav-horizon-hover-fg: var(--nav-horizon-hover-fg-dark);
    --nav-ops-fg: var(--nav-ops-fg-dark);
    --nav-ops-hover-fg: var(--nav-ops-hover-fg-dark);
    --provenance-fg: var(--provenance-fg-dark);
    --provenance-live-fg: var(--provenance-live-fg-dark);
    --audit-fg: var(--audit-fg-dark);
    --audit-fail-fg: var(--audit-fail-fg-dark);
    --hero-safe-fg: var(--hero-safe-fg-dark);
    --hero-caution-fg: var(--hero-caution-fg-dark);
    --hero-exceeded-fg: var(--hero-exceeded-fg-dark);
    --sample-fg: var(--sample-fg-dark);
    --sar-fg: var(--sar-fg-dark);
    --act-fg: var(--act-fg-dark);
    --canvas-card-bg: var(--canvas-card-bg-dark);
    --slider-track-bg: var(--slider-track-dark);
    --dialog-bg: var(--dialog-bg-dark);
  }
}

/* Windows Forced Colors High Contrast Mode support */
@media (forced-colors: active) {
  .hud-pill,
  .seg-btn.active,
  .top-nav-tabs .seg-btn[data-open-dialog="ops-dialog"],
  .story-caption-banner,
  .hero-status-pill,
  .bento-card,
  .bento-accordion,
  .layer-pill.active,
  .glass-dialog {
    border: 1px solid CanvasText;
  }
}


/* ---------------------------------------------------------------------------
   Icon system & UI polish
--------------------------------------------------------------------------- */
.ui-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  vertical-align: -0.12em;
  pointer-events: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ui-icon-sm {
  width: 0.9em;
  height: 0.9em;
}

.ui-icon-lg {
  width: 1.3em;
  height: 1.3em;
}

/* Icon-bearing buttons align icon + label consistently */
.seg-btn:has(.ui-icon),
.hud-pill:has(.ui-icon),
.ops-action-btn:has(.ui-icon),
.sample-btn:has(.ui-icon),
.eco-toggle-btn:has(.ui-icon),
.story-act-pill:has(.ui-icon),
.wp-jump-btn:has(.ui-icon),
.sar-pill:has(.ui-icon),
.layer-shader-btn:has(.ui-icon),
.theme-toggle-btn:has(.ui-icon),
.dialog-close:has(.ui-icon),
.story-caption-close:has(.ui-icon) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.guide-page-title,
.ops-header-title h2 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.deliverable-tag > span:first-child,
.guide-list strong:has(.ui-icon) {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Focus visibility for icon controls */
.seg-btn:focus-visible,
.hud-pill:focus-visible,
.ops-action-btn:focus-visible,
.sample-btn:focus-visible,
.eco-toggle-btn:focus-visible,
.story-act-pill:focus-visible,
.wp-jump-btn:focus-visible,
.sar-pill:focus-visible,
.layer-shader-btn:focus-visible,
.theme-toggle-btn:focus-visible,
.dialog-close:focus-visible,
.story-caption-close:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

/* Header wrap & compactness */
.header-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.legend-strip {
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .brand-subtitle {
    display: none;
  }
  .brand-title {
    font-size: 14px;
  }
}

/* Stack workspace vertically on narrow screens */
@media (max-width: 1024px) {
  .workspace-split {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(300px, 1fr) auto;
  }
  #flight-dock {
    max-height: 44vh;
  }
  .hud-top-right .legend-strip {
    display: none;
  }
}

@media (max-width: 720px) {
  .hud-top-right {
    display: none;
  }
  .hud-top-left {
    max-width: calc(100% - 24px);
  }
}

/* Guide page: stack status chips and single-column sections on narrow screens */
@media (max-width: 860px) {
  .guide-status-strip {
    grid-template-columns: 1fr;
  }
  .guide-page-grid {
    grid-template-columns: 1fr;
  }
  .guide-page {
    padding: 12px 14px 20px;
  }
}

/* Production polish */
::selection {
  background: rgba(10, 132, 255, 0.30);
  color: inherit;
}

.guide-page {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  .guide-page {
    scroll-behavior: auto;
  }
  .layer-info,
  .hud-pill,
  .seg-btn,
  .ops-action-btn,
  .layer-shader-btn {
    transition: none;
  }
}