:root {
  --demo-max-width: 1200px;
}

/* Two-panel layout for orbital and globe views */
.viz-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: var(--space-md);
}

.panel-note {
  margin: calc(var(--space-sm) * -0.5) 0 var(--space-sm) 0;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-align: center;
}

#orbital-view, #globe-view {
  width: 100%;
  height: auto;
  display: block;
}

/* Controls grid */
.controls-grid {
  grid-template-columns: 1fr 1fr;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* Preset buttons */
.presets-section {
  margin-top: 0.75rem;
}

.presets-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.presets-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.preset-btn.season {
  border-color: var(--accent-blue);
}

.preset-btn.season:hover {
  border-color: var(--accent-blue);
  background: rgba(93, 173, 226, 0.2);
}

.preset-btn.season.active {
  background: var(--accent-blue);
  color: var(--space-black);
}

/* Readout panel */
.readout-panel {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.readout-value.season-summer {
  color: var(--accent-gold);
}

.readout-value.season-winter {
  color: var(--accent-blue);
}

.readout-value.season-spring,
.readout-value.season-fall {
  color: var(--accent-green);
}

/* Overlay toggles */
.overlays-section {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.overlays-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.5rem;
}

.overlay-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.overlay-toggle input[type="checkbox"] {
  accent-color: var(--cosmic-teal);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.overlay-toggle:hover {
  color: var(--text-primary);
}

/* Insight box */
.insight-box {
  background: rgba(18, 18, 31, 0.9);
  border-left: 3px solid var(--accent-blue);
  padding: 1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
}

.insight-box strong {
  color: var(--accent-blue);
}

.insight-box .misconception {
  color: var(--accent-red);
  font-style: italic;
}

.model-note {
  margin-top: var(--space-md);
  background: rgba(18, 18, 31, 0.9);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-gold);
  padding: 0.75rem 1rem;
  border-radius: 0 8px 8px 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.model-note strong {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 800px) {
  .viz-layout {
    grid-template-columns: 1fr;
  }

  .controls-grid {
    grid-template-columns: 1fr;
  }

  .readout-panel {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .readout-panel {
    grid-template-columns: 1fr;
  }

  .overlays-grid {
    grid-template-columns: 1fr;
  }
}

/* SVG styles */
.orbit-path {
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 1.5;
  stroke-dasharray: 6 4;
  opacity: 0.5;
}

.axis-line {
  stroke: #ff6b6b;
  stroke-width: 2;
}

.axis-arrow {
  fill: #ff6b6b;
}

.sunlight-ray {
  stroke: var(--sun-glow);
  stroke-width: 1.5;
  opacity: 0.6;
}

.terminator {
  fill: rgba(0, 0, 0, 0.5);
}

.latitude-line {
  fill: none;
  stroke: var(--accent-blue);
  stroke-width: 1;
  stroke-dasharray: 3 3;
  opacity: 0.5;
}

.latitude-line.equator {
  stroke: var(--accent-green);
  stroke-width: 1.5;
  opacity: 0.7;
}

.latitude-line.tropic {
  stroke: var(--accent-gold);
}

.latitude-line.arctic {
  stroke: var(--accent-blue);
}

.celestial-equator {
  fill: none;
  stroke: var(--accent-green);
  stroke-width: 1.5;
  stroke-dasharray: 8 4;
  opacity: 0.6;
}

.ecliptic-line {
  fill: none;
  stroke: var(--accent-gold);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
  opacity: 0.6;
}

.hour-grid {
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 0.8;
  opacity: 0.45;
}

.polaris-label {
  font-size: 10px;
  fill: #ff6b6b;
}

.distance-label {
  font-size: 10px;
  fill: var(--text-muted);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}