/* --------------------------------------------------
 * Modern Glassmorphism Styling for Medieval Diorama
 * Clean, non-intrusive floating HUD overlay
 * -------------------------------------------------- */

:root {
  --hud-bg: rgba(18, 24, 38, 0.72);
  --hud-border: rgba(255, 255, 255, 0.14);
  --hud-blur: 16px;
  --text-main: #f0f4f8;
  --text-muted: #94a3b8;
  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-active: #d97706;
  --btn-bg: rgba(255, 255, 255, 0.08);
  --btn-bg-hover: rgba(255, 255, 255, 0.16);
  --btn-active-bg: rgba(245, 158, 11, 0.28);
  --btn-active-border: rgba(245, 158, 11, 0.8);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-full: 9999px;
  --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #1a202c;
  font-family: var(--font-family);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}

canvas:active {
  cursor: grabbing;
}

/* --------------------------------------------------
 * Floating Top Header
 * -------------------------------------------------- */
.header-card {
  position: absolute;
  top: 20px;
  left: 24px;
  z-index: 10;
  background: var(--hud-bg);
  backdrop-filter: blur(var(--hud-blur));
  -webkit-backdrop-filter: blur(var(--hud-blur));
  border: 1px solid var(--hud-border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 3px;
  pointer-events: auto;
}

.header-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
}

.header-title span.badge {
  font-size: 11px;
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.header-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

/* --------------------------------------------------
 * Right-Docked Floating Control Panel
 * -------------------------------------------------- */
.control-panel {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 10;
  background: var(--hud-bg);
  backdrop-filter: blur(var(--hud-blur));
  -webkit-backdrop-filter: blur(var(--hud-blur));
  border: 1px solid var(--hud-border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 290px;
  pointer-events: auto;
}

.control-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Weather Button Grid */
.button-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.hud-btn {
  background: var(--btn-bg);
  border: 1px solid var(--hud-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 8px 4px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.hud-btn .icon {
  font-size: 16px;
}

.hud-btn:hover {
  background: var(--btn-bg-hover);
  transform: translateY(-1px);
}

.hud-btn.active {
  background: var(--btn-active-bg);
  border-color: var(--btn-active-border);
  color: #fff;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.35);
}

/* Time of Day Slider & Presets */
.time-display-pill {
  font-size: 12px;
  font-family: monospace;
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  color: var(--accent);
  font-weight: 700;
}

.slider-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.custom-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.18);
  outline: none;
  cursor: pointer;
  transition: background 0.2s;
}

.custom-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.8);
  transition: transform 0.15s;
}

.custom-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.time-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.time-pill {
  background: var(--btn-bg);
  border: 1px solid var(--hud-border);
  border-radius: var(--radius-full);
  padding: 4px 6px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
}

.time-pill:hover {
  background: var(--btn-bg-hover);
  color: var(--text-main);
}

.time-pill.active {
  background: var(--btn-active-bg);
  border-color: var(--btn-active-border);
  color: #fff;
  font-weight: 600;
}

/* Camera Vantage Presets */
.camera-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.cam-btn {
  background: var(--btn-bg);
  border: 1px solid var(--hud-border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  padding: 6px 2px;
  font-size: 11px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
}

.cam-btn:hover {
  background: var(--btn-bg-hover);
  color: var(--text-main);
}

.cam-btn.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  font-weight: 600;
}

/* Action Pills (Auto-rotate, sound) */
.action-row {
  display: flex;
  gap: 8px;
}

.toggle-pill {
  flex: 1;
  background: var(--btn-bg);
  border: 1px solid var(--hud-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 7px 10px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.toggle-pill:hover {
  background: var(--btn-bg-hover);
}

.toggle-pill.active {
  background: rgba(34, 197, 94, 0.22);
  border-color: rgba(34, 197, 94, 0.7);
  color: #86efac;
}

/* --------------------------------------------------
 * Bottom-Left Interaction Hint Tooltip
 * -------------------------------------------------- */
.hint-tooltip {
  position: absolute;
  bottom: 20px;
  left: 24px;
  z-index: 10;
  background: rgba(18, 24, 38, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  padding: 7px 16px;
  font-size: 11.5px;
  color: var(--text-muted);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --------------------------------------------------
 * Responsive Adjustments
 * -------------------------------------------------- */
@media (max-width: 768px) {
  .header-card {
    top: 12px;
    left: 12px;
    padding: 10px 14px;
  }
  .header-title {
    font-size: 15px;
  }
  .control-panel {
    top: auto;
    bottom: 16px;
    right: 12px;
    left: 12px;
    width: auto;
    padding: 12px 14px;
    gap: 12px;
  }
  .hint-tooltip {
    display: none;
  }
}