/* ===========================================================
   Sealed Capsule — Device Viewer Styles
   Dark lab palette, 60/40 split desktop, stacked mobile
   =========================================================== */

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

:root {
  --bg:        #06060c;
  --bg-panel:  #0c0c18;
  --bg-glass:  rgba(12, 12, 24, 0.75);
  --border:    rgba(51, 136, 255, 0.15);
  --accent:    #3388ff;
  --accent-dim:#1a4488;
  --amber:     #ffa040;
  --text:      #c8ccd4;
  --text-dim:  #6a7080;
  --text-bright:#e8ecf4;
  --verified:  #40c060;
  --hypothesis:#ffa040;
  --circular:  #ff4040;
  --model:     #60a0ff;
  --untested:  #888;
  --copper:    #d4884a;
  --mercury:   #c0c8d0;
  --lead:      #4a4a50;
  --energy:    #3388ff;
  --shell:     rgba(200, 210, 230, 0.6);
  --coil-x:    #dd3b3b;
  --coil-y:    #3bdd3b;
  --coil-z:    #3b64dd;
  --axis-x:    #ff5555;
  --axis-y:    #55ff55;
  --axis-z:    #5588ff;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 14px;
  line-height: 1.5;
}

/* --- Intro Overlay --- */
#intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.5s ease;
}
#intro-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}
#intro-overlay.hidden { display: none; }

#intro-text {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  font-size: 15px;
  color: var(--accent);
  text-align: left;
  max-width: 520px;
  padding: 2rem;
  white-space: pre-wrap;
  line-height: 1.8;
}
#intro-text .amber { color: var(--amber); }
#intro-text .dim   { color: var(--text-dim); }

/* --- App Layout --- */
#app {
  display: flex;
  height: 100vh;
  width: 100vw;
  opacity: 0;
  transition: opacity 1s ease;
}
#app.visible { opacity: 1; }

/* --- Viewport --- */
#viewport-container {
  position: relative;
  flex: 0 0 60%;
  height: 100%;
  background: var(--bg);
  overflow: hidden;
}

#viewer-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}
#viewer-canvas:active { cursor: grabbing; }

/* --- Layer Panel (glassmorphic, top-left of viewport) --- */
#layer-panel {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  z-index: 10;
  min-width: 160px;
  user-select: none;
}

#layer-panel h3 {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.layer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
  cursor: pointer;
  transition: opacity 0.2s;
}
.layer-row:hover { opacity: 0.8; }
.layer-row.off { opacity: 0.35; }
.layer-row.off .layer-dot { opacity: 0.3; }

.layer-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.layer-check {
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}

.layer-label {
  font-size: 12px;
  color: var(--text);
}

/* --- Component Info Panel (bottom of viewport) --- */
#component-info {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  z-index: 10;
  display: none;
  max-height: 200px;
  overflow-y: auto;
}
#component-info.visible { display: block; }

#component-info .info-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 4px;
}
#component-info .info-role {
  font-size: 12px;
  color: var(--text);
  margin-bottom: 6px;
}
#component-info .info-params {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 6px;
}
#component-info .info-params span {
  display: inline-block;
  background: rgba(51, 136, 255, 0.1);
  border: 1px solid rgba(51, 136, 255, 0.15);
  border-radius: 3px;
  padding: 1px 6px;
  margin: 2px 4px 2px 0;
  font-family: inherit;
}

/* --- Rigor Tags --- */
.rigor-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 3px;
  margin-top: 2px;
}
.rigor-verified    { background: rgba(64, 192, 96, 0.15); color: var(--verified); border: 1px solid rgba(64, 192, 96, 0.3); }
.rigor-hypothesis  { background: rgba(255, 160, 64, 0.15); color: var(--hypothesis); border: 1px solid rgba(255, 160, 64, 0.3); }
.rigor-circular    { background: rgba(255, 64, 64, 0.15); color: var(--circular); border: 1px solid rgba(255, 64, 64, 0.3); }
.rigor-model       { background: rgba(96, 160, 255, 0.15); color: var(--model); border: 1px solid rgba(96, 160, 255, 0.3); }
.rigor-untested    { background: rgba(136, 136, 136, 0.15); color: var(--untested); border: 1px solid rgba(136, 136, 136, 0.3); }

/* --- Docs Sidebar --- */
#docs-sidebar {
  flex: 0 0 40%;
  height: 100%;
  overflow-y: auto;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  padding: 24px 28px 60px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-dim) transparent;
}
#docs-sidebar::-webkit-scrollbar { width: 6px; }
#docs-sidebar::-webkit-scrollbar-track { background: transparent; }
#docs-sidebar::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 3px; }

/* --- Documentation Content --- */
#docs-content h1 {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  font-size: 20px;
  color: var(--text-bright);
  margin-bottom: 4px;
}

#docs-content .subtitle {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 24px;
}

details {
  margin-bottom: 2px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
details + details { margin-top: 4px; }

summary {
  font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  padding: 10px 14px;
  cursor: pointer;
  background: rgba(51, 136, 255, 0.04);
  border-bottom: 1px solid transparent;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
  transition: background 0.15s;
}
summary:hover { background: rgba(51, 136, 255, 0.08); }
summary::before {
  content: '\25B6';
  font-size: 9px;
  color: var(--accent);
  transition: transform 0.2s;
}
details[open] > summary::before { transform: rotate(90deg); }
details[open] > summary { border-bottom-color: var(--border); }

.section-body {
  padding: 14px 18px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
}

.section-body p { margin-bottom: 12px; }
.section-body p:last-child { margin-bottom: 0; }

.section-body strong { color: var(--text-bright); }
.section-body em { color: var(--amber); font-style: normal; }

.section-body code {
  font-family: 'SF Mono', 'Cascadia Code', monospace;
  font-size: 12px;
  background: rgba(51, 136, 255, 0.08);
  border: 1px solid rgba(51, 136, 255, 0.12);
  border-radius: 3px;
  padding: 1px 5px;
}

.section-body blockquote {
  border-left: 3px solid var(--amber);
  padding: 8px 14px;
  margin: 12px 0;
  background: rgba(255, 160, 64, 0.05);
  color: var(--text);
  font-style: italic;
}

/* Tables in docs */
.section-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 12px;
}
.section-body th {
  text-align: left;
  padding: 6px 10px;
  background: rgba(51, 136, 255, 0.06);
  border-bottom: 1px solid var(--border);
  color: var(--text-bright);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.section-body td {
  padding: 5px 10px;
  border-bottom: 1px solid rgba(51, 136, 255, 0.06);
  vertical-align: top;
}
.section-body tr:last-child td { border-bottom: none; }

/* Lists in docs */
.section-body ul, .section-body ol {
  margin: 8px 0;
  padding-left: 20px;
}
.section-body li { margin-bottom: 4px; }

/* Phase cards */
.phase-card {
  background: rgba(51, 136, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  margin: 8px 0;
}
.phase-card .phase-title {
  font-family: 'SF Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}
.phase-card .phase-cost {
  font-size: 11px;
  color: var(--amber);
  margin-bottom: 4px;
}
.phase-card .phase-desc {
  font-size: 12px;
  color: var(--text);
}

/* Audit trail colors */
.audit-verified {
  color: var(--verified);
}
.audit-hypothesis {
  color: var(--hypothesis);
}
.audit-model {
  color: var(--model);
}
.audit-circular {
  color: var(--circular);
}

/* --- Mobile: Stacked Layout --- */
@media (max-width: 900px) {
  #app {
    flex-direction: column;
  }

  #viewport-container {
    flex: 0 0 55vh;
    width: 100%;
  }

  #docs-sidebar {
    flex: 1;
    width: 100%;
    border-left: none;
    border-top: 1px solid var(--border);
    padding: 16px 18px 40px;
  }

  #layer-panel {
    top: 10px;
    left: 10px;
    padding: 8px 10px;
    font-size: 11px;
  }

  #component-info {
    bottom: 10px;
    left: 10px;
    right: 10px;
    padding: 10px 14px;
  }

  body { overflow-y: auto; }
  #app { height: auto; min-height: 100vh; }
}

@media (max-width: 480px) {
  #viewport-container { flex: 0 0 45vh; }

  #layer-panel {
    max-width: 140px;
    padding: 6px 8px;
  }
  .layer-label { font-size: 11px; }

  #docs-content h1 { font-size: 16px; }
  summary { font-size: 12px; padding: 8px 12px; }
  .section-body { padding: 10px 14px; font-size: 12px; }
}