/* ============================================================
   WeView Observatory 3D — Realistic Human DensePose
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --bg-deep:     #06080f;
  --bg-panel:    rgba(6, 12, 22, 0.88);
  --bg-panel-border: rgba(0, 210, 120, 0.18);
  --green-glow:  #00d878;
  --green-bright:#3eff8a;
  --green-dim:   #0a6b3a;
  --amber:       #ffb020;
  --cyan:        #00c8ff;
  --blue-signal: #2090ff;
  --red-alert:   #ff3040;
  --red-heart:   #ff4060;
  --purple:      #a060ff;
  --text-primary:   #e8ece0;
  --text-secondary: rgba(232,236,224,0.55);
  --text-label:     rgba(232,236,224,0.38);
  --panel-radius: 14px;
}

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

body {
  background: var(--bg-deep);
  overflow: hidden;
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

#observatory-canvas {
  position: fixed;
  top:0; left:0;
  width:100vw; height:100vh;
}

/* ---- HUD ---- */
#hud {
  position: fixed;
  top:0; left:0;
  width:100%; height:100%;
  pointer-events: none;
  z-index: 10;
}

/* ---- Brand ---- */
#brand {
  position: absolute;
  top: 24px; left: 28px;
}
#brand-logo {
  font-weight: 700;
  font-size: 30px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  text-shadow: 0 0 30px rgba(0,216,120,0.3);
}
.pi { color: var(--green-glow); font-style:italic; margin-right:2px; }
#brand-tagline {
  font-size: 10px;
  color: var(--text-secondary);
  letter-spacing: 1.8px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ---- Status bar ---- */
#status-bar {
  position: absolute;
  top: 24px; right: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
#data-source-badge {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(0,216,120,0.08);
  border: 1px solid rgba(0,216,120,0.22);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 1px;
  color: var(--green-glow);
}
#render-mode-badge {
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(160,96,255,0.1);
  border: 1px solid rgba(160,96,255,0.25);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 1px;
  color: var(--purple);
}
.dot { width:7px; height:7px; border-radius:50%; display:inline-block; }
.dot--demo { background:var(--amber); box-shadow:0 0 6px var(--amber); }
.dot--live { background:var(--green-glow); box-shadow:0 0 6px var(--green-glow); animation:pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:0.4} }

#scenario-area {
  display:flex; align-items:center; gap:8px;
  padding: 5px 14px;
  border-radius: 20px;
  background: rgba(255,176,32,0.08);
  border: 1px solid rgba(255,176,32,0.22);
  pointer-events: auto;
}
#autoplay-icon { font-size:10px; color:var(--green-glow); animation:pulse-dot 2s infinite; }
#autoplay-icon.hidden { display:none; }
#scenario-quick-select {
  background:none; border:none; padding:0;
  font-family:'JetBrains Mono',monospace; font-size:11px;
  color:var(--amber); cursor:pointer; outline:none;
}
#scenario-quick-select option { background:#0c1420; color:var(--text-primary); }
#scenario-description {
  position:absolute; top:60px; right:28px;
  max-width:340px; font-size:11px;
  color:var(--text-secondary); font-style:italic;
  letter-spacing:0.3px; line-height:1.4;
  pointer-events:none; opacity:0.7;
}
#fps-counter { font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--text-secondary); }
#settings-btn {
  pointer-events:auto;
  background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.1);
  color:var(--text-secondary); font-size:18px;
  width:34px; height:34px; border-radius:50%; cursor:pointer;
  transition:all 0.2s; display:flex; align-items:center; justify-content:center; padding:0;
}
#settings-btn:hover { background:rgba(0,216,120,0.15); border-color:var(--green-glow); color:var(--green-glow); }

/* ---- Data Panels ---- */
.data-panel {
  position:absolute;
  width:220px;
  background:var(--bg-panel);
  border:1px solid var(--bg-panel-border);
  border-radius:var(--panel-radius);
  padding:16px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  pointer-events:auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03);
}
.panel-header {
  font-family:'JetBrains Mono',monospace; font-size:10px; font-weight:600;
  letter-spacing:2px; text-transform:uppercase;
  color:var(--text-label); margin-bottom:14px;
  padding-bottom:8px; border-bottom:1px solid rgba(255,255,255,0.06);
}
#panel-vitals { left:28px; top:50%; transform:translateY(-50%); }
.vital-row { display:flex; align-items:flex-start; gap:12px; margin-bottom:18px; }
.vital-row:last-child { margin-bottom:0; }
.vital-icon { font-size:20px; line-height:1; margin-top:2px; width:24px; text-align:center; }
.vital-row:nth-child(2) .vital-icon { color:var(--red-heart); }
.vital-row:nth-child(3) .vital-icon { color:var(--green-glow); }
.vital-row:nth-child(4) .vital-icon { color:var(--amber); }
.vital-data { flex:1; }
.vital-label { font-size:10px; color:var(--text-label); letter-spacing:1px; text-transform:uppercase; margin-bottom:3px; }
.vital-value { font-family:'JetBrains Mono',monospace; font-size:26px; font-weight:600; line-height:1.1; }
.vital-unit { font-size:12px; font-weight:400; color:var(--text-secondary); }
.vital-bar { height:3px; background:rgba(255,255,255,0.06); border-radius:2px; margin-top:6px; overflow:hidden; }
.vital-bar-fill { height:100%; border-radius:2px; transition:width 0.5s ease, background 0.6s ease; }
.vital-bar--hr { background:var(--red-heart); width:0; }
.vital-bar--br { background:var(--green-glow); width:0; }
.vital-bar--conf { background:var(--amber); width:0; }

#panel-signal { right:28px; top:50%; transform:translateY(-50%); }
.signal-row { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.signal-label { font-size:11px; color:var(--text-label); letter-spacing:0.5px; }
.signal-value { font-family:'JetBrains Mono',monospace; font-size:13px; font-weight:600; color:var(--blue-signal); }
#rssi-sparkline { width:100%; height:48px; margin-top:8px; border-radius:6px; background:rgba(0,0,0,0.3); }
.presence-state {
  text-align:center; padding:8px; border-radius:8px;
  font-family:'JetBrains Mono',monospace; font-size:14px;
  font-weight:600; letter-spacing:2px; transition:all 0.5s ease;
}
.presence--absent { background:rgba(255,255,255,0.03); color:var(--text-label); border:1px solid rgba(255,255,255,0.05); }
.presence--present { background:rgba(0,216,120,0.1); color:var(--green-glow); border:1px solid rgba(0,216,120,0.3); box-shadow:0 0 20px rgba(0,216,120,0.1); }
.presence--active { background:rgba(255,176,32,0.1); color:var(--amber); border:1px solid rgba(255,176,32,0.3); }
.fall-alert {
  margin-top:10px; text-align:center; padding:8px; border-radius:8px;
  font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:700; letter-spacing:2px;
  background:rgba(255,48,64,0.15); color:var(--red-alert); border:1px solid rgba(255,48,64,0.4);
  animation:pulse-alert 0.8s infinite;
}
@keyframes pulse-alert { 0%,100%{opacity:1} 50%{opacity:0.5} }

/* ---- DensePose Panel ---- */
.densepose-panel {
  left: 28px;
  bottom: 100px;
  width: 200px;
  padding: 14px;
}
#densepose-canvas { width:100%; border-radius:8px; margin-bottom:8px; }
.densepose-legend {
  display:grid; grid-template-columns:1fr 1fr; gap:4px;
}
.dp-leg-item { display:flex; align-items:center; gap:5px; font-size:9px; color:var(--text-label); letter-spacing:0.5px; }
.dp-swatch { width:8px; height:8px; border-radius:2px; background:var(--dp-color); display:inline-block; flex-shrink:0; }

/* ---- Persons dots ---- */
.persons-dots { display:inline-flex; align-items:center; gap:3px; margin-left:6px; vertical-align:middle; }
.person-dot { width:6px; height:6px; border-radius:50%; display:inline-block; background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.1); transition:all 0.4s ease; }
.person-dot--active { background:var(--green-glow); border-color:var(--green-glow); box-shadow:0 0 4px rgba(0,216,120,0.4); }

/* ---- Edge badges ---- */
#edge-modules-bar {
  position:absolute; bottom:58px; left:50%; transform:translateX(-50%);
  display:flex; align-items:center; gap:6px; pointer-events:none;
}
.edge-badge {
  display:inline-block; padding:2px 8px; border-radius:10px;
  font-family:'JetBrains Mono',monospace; font-size:9px; font-weight:600; letter-spacing:1px;
  color:var(--badge-color,var(--text-secondary)); background:rgba(255,255,255,0.04);
  border:1px solid var(--badge-color,rgba(255,255,255,0.1));
}

/* ---- Capabilities bar ---- */
#capabilities-bar {
  position:absolute; bottom:20px; left:50%; transform:translateX(-50%);
  display:flex; align-items:center;
  background:var(--bg-panel); border:1px solid var(--bg-panel-border);
  border-radius:30px; padding:8px 24px; backdrop-filter:blur(12px);
}
.cap-item { display:flex; align-items:center; gap:8px; font-size:12px; font-weight:500; color:var(--text-secondary); padding:0 16px; }
.cap-icon { font-size:16px; color:var(--green-glow); }
.cap-item:nth-child(3) .cap-icon { color:var(--red-heart); }
.cap-item:nth-child(5) .cap-icon { color:var(--cyan); }
.cap-divider { width:1px; height:20px; background:rgba(255,255,255,0.1); }

/* ---- Key hints ---- */
#key-hints {
  position:absolute; bottom:24px; right:28px;
  display:flex; gap:8px;
}
.key-hint {
  font-family:'JetBrains Mono',monospace; font-size:10px;
  color:rgba(255,255,255,0.2); letter-spacing:0.5px;
  padding:3px 8px; border-radius:4px;
  background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.05);
}

/* ---- CV Inset ---- */
.cv-inset {
  position:fixed; bottom:100px; right:28px;
  width:280px; z-index:20;
  background:var(--bg-panel);
  border:1px solid rgba(0,200,255,0.2);
  border-radius:var(--panel-radius);
  backdrop-filter:blur(16px);
  overflow:hidden;
  box-shadow:0 8px 32px rgba(0,0,0,0.6);
  transition:all 0.3s ease;
}
.cv-inset.collapsed .cv-inset-body { display:none; }
.cv-inset-header {
  display:flex; align-items:center; gap:8px;
  padding:8px 12px;
  border-bottom:1px solid rgba(0,200,255,0.15);
}
.cv-inset-title {
  font-family:'JetBrains Mono',monospace; font-size:10px; font-weight:600;
  letter-spacing:2px; color:var(--cyan); flex:1;
}
.cv-mode-selector { display:flex; gap:4px; }
.cv-mode-btn {
  padding:2px 7px; border-radius:8px; border:1px solid rgba(255,255,255,0.1);
  background:none; color:var(--text-label);
  font-family:'JetBrains Mono',monospace; font-size:9px; cursor:pointer; transition:all 0.2s;
}
.cv-mode-btn.active { background:rgba(0,200,255,0.15); border-color:var(--cyan); color:var(--cyan); }
.cv-toggle-btn {
  background:none; border:none; color:var(--text-label); cursor:pointer;
  font-size:12px; padding:2px 4px; transition:transform 0.3s;
}
.cv-inset.collapsed .cv-toggle-btn { transform:rotate(180deg); }
.cv-inset-body {
  position:relative;
}
#webcam {
  width:100%; display:block;
  min-height:157px; background:#000;
  object-fit:cover;
}
#cv-skeleton-canvas {
  position:absolute; top:0; left:0;
  width:100%; height:calc(100% - 48px);
  pointer-events:none;
}
.cv-no-camera {
  position:absolute; top:0; left:0; right:0;
  height:157px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px;
  background:rgba(0,0,0,0.7);
}
.cv-start-btn {
  padding:7px 18px; border-radius:20px;
  background:rgba(0,200,255,0.15); border:1px solid var(--cyan);
  color:var(--cyan); font-size:12px; cursor:pointer; transition:all 0.2s;
}
.cv-start-btn:hover { background:rgba(0,200,255,0.25); }
.cv-hint { font-size:10px; color:var(--text-label); }
.cv-fusion-bar {
  padding:8px 12px;
  display:flex; flex-direction:column; gap:4px;
  border-top:1px solid rgba(255,255,255,0.06);
}
.fusion-item { display:flex; align-items:center; gap:6px; }
.fusion-label { font-size:9px; color:var(--text-label); width:32px; font-family:'JetBrains Mono',monospace; }
.fusion-track { flex:1; height:4px; background:rgba(255,255,255,0.06); border-radius:2px; overflow:hidden; }
.fusion-fill { height:100%; border-radius:2px; transition:width 0.4s ease; }
.fusion-fill--video { background:var(--cyan); width:0; }
.fusion-fill--wifi  { background:var(--green-glow); width:0; }
.fusion-fill--fused { background:var(--purple); width:0; }
.fusion-val { font-size:9px; font-family:'JetBrains Mono',monospace; color:var(--text-secondary); width:28px; text-align:right; }

/* ---- Settings Dialog ---- */
.settings-overlay {
  position:fixed; top:0; left:0; width:100%; height:100%; z-index:100;
  background:rgba(0,0,0,0.55); backdrop-filter:blur(4px);
  display:flex; align-items:center; justify-content:center; pointer-events:auto;
}
.settings-dialog {
  background:rgba(8,14,24,0.97); border:1px solid rgba(0,216,120,0.2);
  border-radius:16px; width:440px; max-height:80vh; overflow-y:auto;
  box-shadow:0 20px 60px rgba(0,0,0,0.7);
}
.settings-header {
  display:flex; justify-content:space-between; align-items:center;
  padding:16px 20px; border-bottom:1px solid rgba(255,255,255,0.06);
  font-family:'JetBrains Mono',monospace; font-size:13px; font-weight:600;
  letter-spacing:1px; text-transform:uppercase;
}
.settings-header button { background:none; border:none; color:var(--text-secondary); font-size:22px; cursor:pointer; line-height:1; }
.settings-header button:hover { color:var(--red-alert); }
.settings-tabs { display:flex; border-bottom:1px solid rgba(255,255,255,0.06); padding:0 12px; }
.stab {
  background:none; border:none; color:var(--text-label);
  font-family:'JetBrains Mono',monospace; font-size:10px; letter-spacing:1px;
  text-transform:uppercase; padding:10px 14px; cursor:pointer;
  border-bottom:2px solid transparent; transition:all 0.2s;
}
.stab:hover { color:var(--text-secondary); }
.stab.active { color:var(--green-glow); border-bottom-color:var(--green-glow); }
.stab-content { display:none; padding:16px 20px; }
.stab-content.active { display:block; }
.setting-row {
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  margin-bottom:14px; font-size:12px; color:var(--text-secondary);
}
.setting-row span:first-child { min-width:120px; flex-shrink:0; }
.setting-row input[type="range"] {
  flex:1; height:4px; -webkit-appearance:none; appearance:none;
  background:rgba(255,255,255,0.08); border-radius:2px; outline:none;
}
.setting-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance:none; width:14px; height:14px; border-radius:50%;
  background:var(--green-glow); cursor:pointer; box-shadow:0 0 6px rgba(0,216,120,0.4);
}
.setting-row select, .setting-row input[type="text"] {
  flex:1; background:#0c1420; border:1px solid rgba(255,255,255,0.1);
  color:var(--text-primary); font-family:'JetBrains Mono',monospace; font-size:11px;
  padding:6px 10px; border-radius:6px; outline:none;
}
.setting-row input[type="checkbox"] { width:18px; height:18px; accent-color:var(--green-glow); cursor:pointer; }
.check-row { flex-direction:row; }
.range-val { font-family:'JetBrains Mono',monospace; font-size:10px; color:var(--green-glow); min-width:44px; text-align:right; }
.settings-btn {
  width:100%; padding:8px; margin-top:6px;
  background:rgba(0,216,120,0.08); border:1px solid rgba(0,216,120,0.2);
  color:var(--green-glow); font-family:'JetBrains Mono',monospace;
  font-size:11px; letter-spacing:1px; border-radius:6px; cursor:pointer; transition:all 0.2s;
}
.settings-btn:hover { background:rgba(0,216,120,0.15); }

/* ---- Responsive ---- */
@media (max-width:1200px) {
  .data-panel { width:190px; padding:12px; }
  .vital-value { font-size:22px; }
  #capabilities-bar { display:none; }
  .cv-inset { width:240px; }
}
@media (max-width:800px) {
  .data-panel { display:none; }
  #key-hints { display:none; }
  .cv-inset { display:none; }
  .densepose-panel { display:none; }
}