/* ============================================================
   RuView Observatory — Foundation Color Scheme
   Warm dark background, electric green wireframe, amber data
   ============================================================ */

@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:     #080c14;
  --bg-panel:    rgba(8, 16, 28, 0.85);
  --bg-panel-border: rgba(0, 210, 120, 0.2);
  --green-glow:  #00d878;
  --green-bright:#3eff8a;
  --green-dim:   #0a6b3a;
  --amber:       #ffb020;
  --amber-dim:   #a06800;
  --blue-signal: #2090ff;
  --blue-dim:    #0a3060;
  --red-alert:   #ff3040;
  --red-heart:   #ff4060;
  --text-primary:   #e8ece0;
  --text-secondary: rgba(232,236,224, 0.55);
  --text-label:     rgba(232,236,224, 0.4);
}

* { 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;
  touch-action: none;
}

/* ---- HUD Overlay ---- */
#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-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 32px;
  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: 11px;
  color: var(--text-secondary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ---- Status bar (top right) ---- */
#status-bar {
  position: absolute;
  top: 24px; right: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

#data-source-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(0, 216, 120, 0.1);
  border: 1px solid rgba(0, 216, 120, 0.25);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--green-glow);
}

.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, 0.1);
  border: 1px solid rgba(255, 176, 32, 0.25);
  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;
  letter-spacing: 0.5px;
  color: var(--amber);
  cursor: pointer;
  outline: none;
}
#scenario-quick-select:hover,
#scenario-quick-select:focus { color: var(--green-glow); }
#scenario-quick-select option {
  background: #0c1420;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  padding: 4px 8px;
}

#fps-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
}

/* ---- Data Panels ---- */
.data-panel {
  position: absolute;
  width: 220px;
  background: var(--bg-panel);
  border: 1px solid var(--bg-panel-border);
  border-radius: 12px;
  padding: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  pointer-events: auto;
}

.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);
}

/* ---- Vitals Panel (left) ---- */
#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;
}

.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%; }

/* ---- Signal Panel (right) ---- */
#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 */
.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);
  box-shadow: 0 0 20px rgba(255, 176, 32, 0.1);
}

.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; }
}

/* ---- Capabilities Bar (bottom center) ---- */
#capabilities-bar {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0;
  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(--blue-signal); }

.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);
}

/* ---- Settings button ---- */
#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);
}

/* ---- Settings Dialog ---- */
.settings-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 100;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.settings-dialog {
  background: rgba(10, 16, 28, 0.96);
  border: 1px solid rgba(0, 216, 120, 0.2);
  border-radius: 16px;
  width: 440px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 0;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px rgba(0,216,120,0.05);
}

.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;
  color: var(--text-primary);
}

.settings-header button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
  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 input[type="color"] {
  -webkit-appearance: none;
  width: 36px; height: 24px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px;
  background: none;
  cursor: pointer;
  padding: 0;
}
.setting-row input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
.setting-row input[type="color"]::-webkit-color-swatch { border-radius: 2px; border: none; }

.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 select:focus,
.setting-row input[type="text"]:focus {
  border-color: var(--green-glow);
}
.setting-row select option {
  background: #0c1420;
  color: var(--text-primary);
  padding: 6px 10px;
}
.setting-row select optgroup {
  background: #0a1018;
  color: var(--green-glow);
  font-style: normal;
  font-weight: 600;
  padding: 4px 0;
}

.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);
  border-color: var(--green-glow);
}

/* ---- Scenario Description ---- */
#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;
  transition: opacity 0.5s ease;
}

/* ---- Edge Module 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));
  box-shadow: 0 0 6px color-mix(in srgb, var(--badge-color, transparent) 30%, transparent);
}

/* ---- Person Count 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: background 0.4s ease, border-color 0.4s ease, box-shadow 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);
}

/* ---- Vital Value Color Transitions ---- */
.vital-value span:first-child {
  transition: color 0.6s ease;
}

.vital-bar-fill {
  transition: width 0.5s ease, background 0.6s ease;
}

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

@media (max-width: 800px) {
  /* Brand — smaller, top-left */
  #brand { top: 12px; left: 14px; }
  #brand-logo { font-size: 22px; }
  #brand-tagline { font-size: 9px; letter-spacing: 1px; }

  /* Status bar — compact, below brand */
  #status-bar {
    top: 12px; right: 14px;
    gap: 6px;
  }
  #data-source-badge { padding: 3px 8px; font-size: 9px; }
  #scenario-area { padding: 3px 10px; }
  #scenario-quick-select { font-size: 10px; }
  #settings-btn { width: 30px; height: 30px; font-size: 15px; }

  /* Scenario description — under status bar */
  #scenario-description {
    top: 46px; right: 14px;
    max-width: 200px;
    font-size: 10px;
  }

  /* Data panels — horizontal strip at bottom instead of side panels */
  .data-panel {
    position: fixed;
    width: auto;
    left: 8px;
    right: 8px;
    top: auto;
    transform: none;
    border-radius: 10px;
    padding: 10px 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    align-items: center;
  }

  #panel-vitals {
    bottom: 100px;
    left: 8px;
    right: 8px;
    transform: none;
  }
  #panel-vitals .panel-header { display: none; }
  #panel-vitals .vital-row {
    margin-bottom: 0;
    flex: 1;
    min-width: 90px;
  }
  #panel-vitals .vital-icon { font-size: 16px; }
  #panel-vitals .vital-value { font-size: 18px; }
  #panel-vitals .vital-bar { display: none; }
  #panel-vitals .vital-label { font-size: 8px; }
  #panel-vitals .vital-unit { font-size: 10px; }

  #panel-signal {
    bottom: 8px;
    left: 8px;
    right: 8px;
    transform: none;
  }
  #panel-signal .panel-header { display: none; }
  #panel-signal .signal-row { margin-bottom: 2px; }
  #panel-signal .signal-label { font-size: 10px; }
  #panel-signal .signal-value { font-size: 11px; }
  #panel-signal #rssi-sparkline { display: none; }
  #panel-signal .presence-state {
    display: inline-block;
    padding: 4px 12px;
    font-size: 11px;
  }
  #panel-signal .fall-alert { padding: 4px 8px; font-size: 10px; }

  /* Key hints — hidden on mobile (no keyboard) */
  #key-hints { display: none; }

  /* Capabilities bar — hidden */
  #capabilities-bar { display: none; }

  /* Edge modules — smaller */
  #edge-modules-bar { bottom: 196px; }
  .edge-badge { font-size: 8px; padding: 1px 6px; }

  /* Settings dialog — full width on mobile */
  .settings-dialog {
    width: 96vw;
    max-height: 85vh;
    border-radius: 12px;
  }
  .settings-header { padding: 12px 16px; font-size: 12px; }
  .stab { padding: 8px 10px; font-size: 9px; }
  .stab-content { padding: 12px 16px; }
  .setting-row { font-size: 11px; gap: 8px; margin-bottom: 10px; }
  .setting-row span:first-child { min-width: 90px; }
}

/* Extra small screens (phones in portrait) */
@media (max-width: 480px) {
  #brand-tagline { display: none; }
  #scenario-area { display: none; }
  #scenario-description { display: none; }

  #panel-vitals {
    bottom: 70px;
  }
  #panel-vitals .vital-row { min-width: 70px; }
  #panel-vitals .vital-value { font-size: 16px; }

  #panel-signal {
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 2px 12px;
  }

  #edge-modules-bar { display: none; }
}