/* ============================================
   Interactive Universe Widgets
   ============================================ */

.interactive-universe {
  background:
    radial-gradient(circle at 12% 18%, rgba(46, 230, 166, 0.08), transparent 34%),
    radial-gradient(circle at 82% 10%, rgba(86, 199, 255, 0.07), transparent 36%),
    var(--bg-secondary);
}

.lab-home-effect {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.78;
}

.universe-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: var(--space-xl);
  align-items: stretch;
}

.widget-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: color-mix(in srgb, var(--bg-terminal) 90%, transparent);
  box-shadow: var(--shadow-md);
}

.widget-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), transparent 38%);
}

.widget-card-header {
  position: relative;
  z-index: 1;
  padding: var(--space-lg) var(--space-lg) 0;
}

.widget-eyebrow {
  display: inline-flex;
  margin-bottom: var(--space-xs);
  color: var(--accent-1);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.widget-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
}

.widget-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.galaxy-card {
  min-height: 520px;
}

.galaxy-stage {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: minmax(300px, 1fr) auto;
  height: calc(100% - 128px);
  padding: var(--space-lg);
  gap: var(--space-md);
}

#dev-galaxy-canvas,
#mini-lab-canvas {
  width: 100%;
  min-height: 320px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background:
    linear-gradient(rgba(46, 230, 166, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(86, 199, 255, 0.04) 1px, transparent 1px),
    rgba(0, 0, 0, 0.12);
  background-size: 22px 22px;
}

.galaxy-info {
  min-height: 156px;
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-card);
}

.galaxy-info h3 {
  margin-bottom: 0.35rem;
}

.galaxy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.7rem 0;
}

.galaxy-tags span {
  padding: 0.18rem 0.45rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.widget-link {
  display: inline-flex;
  margin-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.timeline-card-wrap,
.lab-card {
  min-height: 248px;
}

.timeline-river {
  position: relative;
  z-index: 1;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 72%);
  gap: var(--space-md);
  overflow-x: auto;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  scroll-snap-type: x proximity;
  cursor: grab;
}

.timeline-river.dragging {
  cursor: grabbing;
}

.timeline-card {
  position: relative;
  scroll-snap-align: start;
  padding: var(--space-lg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-card);
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 28px;
  left: -50%;
  right: 100%;
  height: 1px;
  background: var(--border-hover);
}

.timeline-card:first-child::before {
  display: none;
}

.timeline-dot {
  position: absolute;
  top: 21px;
  left: var(--space-lg);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-1);
  box-shadow: 0 0 14px var(--accent-1);
}

.timeline-card time {
  display: block;
  margin-left: 1.5rem;
  margin-bottom: 0.9rem;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.timeline-card h3 {
  font-size: 1rem;
}

.timeline-card a {
  display: inline-flex;
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.lab-card {
  margin-top: var(--space-xl);
}

.lab-card.active {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.lab-controls {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: var(--space-lg) var(--space-lg) 0;
}

.lab-controls button {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  cursor: pointer;
}

.lab-controls button:hover,
.lab-controls button.active {
  border-color: var(--border-hover);
  color: var(--accent-1);
  background: var(--bg-card-hover);
}

.lab-stage {
  position: relative;
  z-index: 1;
  padding: var(--space-lg);
}

#mini-lab-canvas {
  min-height: 220px;
}

.widget-empty {
  padding: var(--space-lg);
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .universe-grid {
    grid-template-columns: 1fr;
  }

  .galaxy-card {
    min-height: auto;
  }

  .galaxy-stage {
    height: auto;
  }
}

@media (max-width: 640px) {
  .widget-card-header,
  .galaxy-stage,
  .timeline-river,
  .lab-controls,
  .lab-stage {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  .timeline-river {
    grid-auto-columns: minmax(220px, 86%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lab-card.active {
    box-shadow: var(--shadow-md);
  }
}