/* Moon Phases Demo - Demo-specific styles */

:root {
  --demo-max-width: 1000px;
}

/* Two-panel layout */
.viz-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  margin-bottom: var(--space-md);
}

#orbital-svg, #phase-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Readouts */
.readout-panel {
  grid-template-columns: repeat(3, 1fr);
}

/* Controls */
.controls-panel {
  background: rgba(18, 18, 31, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

/* Insights (optional) */
.insights-panel {
  background: rgba(18, 18, 31, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.insights-panel > summary {
  cursor: pointer;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.insights-panel > summary::-webkit-details-marker {
  display: none;
}

.insights-panel > summary::after {
  content: '\25B8';
  color: var(--text-muted);
  transition: transform 0.15s ease;
}

.insights-panel[open] > summary::after {
  transform: rotate(90deg);
}

.insights-panel > summary:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
  border-radius: 6px;
}

.insights-panel[open] > summary {
  border-bottom: 1px solid var(--border-color);
}

.insights-body {
  padding: 0.75rem 1rem 1rem;
  display: grid;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.insights-body strong {
  color: var(--text-primary);
}

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

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

.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);
}

/* Draggable hint */
.drag-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

.schematic-note {
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-top: var(--space-xs);
}

/* Moon in SVG */
.moon-draggable {
  cursor: grab;
}

.moon-draggable:active {
  cursor: grabbing;
}

/* Responsive */
@media (max-width: 700px) {
  .viz-layout {
    grid-template-columns: 1fr;
  }

  .readout-panel {
    grid-template-columns: 1fr;
  }
}

.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;
}

/* Timeline Strip */
.timeline-panel {
  background: rgba(18, 18, 31, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}

.timeline-direction {
  color: var(--accent-gold);
  font-weight: 600;
}

.timeline-direction.waning {
  color: var(--accent-blue);
}

.timeline-day {
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.timeline-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.25rem;
}

.timeline-phase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  flex: 1;
  min-width: 0;
}

.timeline-phase:hover {
  background: rgba(93, 173, 226, 0.1);
  border-color: var(--accent-blue);
}

.timeline-phase.active {
  background: rgba(244, 208, 63, 0.2);
  border-color: var(--accent-gold);
}

.timeline-phase span {
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-phase.active span {
  color: var(--accent-gold);
}

/* Phase icons */
.phase-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  position: relative;
  background: var(--moon-dark);
  overflow: hidden;
}

.phase-icon::after {
  content: '';
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background: var(--moon-light);
}

.phase-icon.new-moon::after { display: none; }
.phase-icon.full-moon::after { width: 100%; left: 0; border-radius: 50%; }
.phase-icon.first-quarter::after { left: 50%; }
.phase-icon.third-quarter::after { left: 0; }
.phase-icon.waxing-crescent::after { left: 50%; width: 25%; border-radius: 0 50% 50% 0; }
.phase-icon.waning-crescent::after { left: 25%; width: 25%; border-radius: 50% 0 0 50%; }
.phase-icon.waxing-gibbous::after { left: 25%; width: 75%; border-radius: 50% 50% 50% 50%; }
.phase-icon.waning-gibbous::after { left: 0; width: 75%; border-radius: 50% 50% 50% 50%; }

@media (max-width: 600px) {
  .timeline-phase span { display: none; }
  .phase-icon { width: 24px; height: 24px; }
}

/* Animation Controls */
.animation-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(18, 18, 31, 0.9);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.anim-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  background: var(--space-light);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.15s ease;
}

.anim-btn:hover:not(:disabled) {
  background: var(--space-medium);
  color: var(--text-primary);
  border-color: var(--accent-blue);
}

.anim-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.anim-btn.primary {
  background: var(--accent-blue);
  color: var(--space-black);
  border-color: var(--accent-blue);
}

.anim-btn.primary:hover:not(:disabled) {
  background: var(--ice-blue);
}

.btn-icon {
  font-size: 0.75rem;
}

.speed-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.speed-control select {
  padding: 0.25rem 0.5rem;
  background: var(--space-light);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
}

/* Insight popup animation */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.shadow-insight-popup {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(18, 18, 31, 0.95);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-green);
  color: var(--text-primary);
  padding: 1rem 1.25rem;
  border-radius: 12px;
  max-width: 420px;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  animation: slideUp 0.3s ease-out;
}

.insight-popup-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.insight-popup-content strong {
  color: var(--accent-green);
}

.insight-close {
  align-self: flex-end;
  background: var(--accent-green);
  color: var(--space-black);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
}

.insight-close:hover {
  filter: brightness(1.05);
}

.insight-close:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* Cross-demo navigation */
.demo-nav {
  margin-top: 1.5rem;
  text-align: center;
}

.demo-nav-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem 1.5rem;
  background: var(--space-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.demo-nav-link:hover {
  background: var(--space-medium);
  border-color: var(--cosmic-teal);
  color: var(--text-primary);
}

.demo-nav-hint {
  font-size: 0.75rem;
  opacity: 0.7;
}