/* EXPERIMENTS LAB — 実験プロダクトの動画カード一覧 */

#lab {
  --lab-card-bg: rgba(20, 20, 22, 0.78);
  --lab-card-border: rgba(255, 255, 255, 0.08);
  --lab-card-border-hover: rgba(255, 204, 0, 0.55);
  --lab-card-radius: 12px;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
  gap: 20px;
}

.lab-card {
  position: relative;
  border: 1px solid var(--lab-card-border);
  border-radius: var(--lab-card-radius);
  background: var(--lab-card-bg);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease,
              box-shadow 0.3s ease;
  cursor: pointer;
}

.lab-card:hover {
  transform: translateY(-4px);
  border-color: var(--lab-card-border-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4),
              0 0 24px rgba(255, 204, 0, 0.18);
}

.lab-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.lab-card__media video,
.lab-card__media img.lab-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lab-card__media .lab-poster {
  z-index: 1;
  transition: opacity 0.4s ease;
}

.lab-card__media video {
  z-index: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lab-card:hover .lab-card__media video,
.lab-card.is-playing .lab-card__media video {
  opacity: 1;
  z-index: 2;
}

.lab-card:hover .lab-card__media .lab-poster,
.lab-card.is-playing .lab-card__media .lab-poster {
  opacity: 0;
}

.lab-card__category {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.85);
  font-family: 'JetBrains Mono', 'SFMono-Regular', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.lab-card__category::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cat-accent, #ffcc00);
  box-shadow: 0 0 8px var(--cat-accent, #ffcc00);
}

.lab-card__deploy {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  padding: 3px 8px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', 'SFMono-Regular', monospace;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

.lab-card__deploy[data-state="deployed"] {
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.3);
}

.lab-card__deploy[data-state="wip"] {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.lab-card__body {
  padding: 18px 20px 20px;
}

.lab-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 4px 0;
  line-height: 1.2;
}

.lab-card__subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin: 0 0 10px 0;
}

.lab-card__summary {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  margin: 0 0 14px 0;
  line-height: 1.55;
}

.lab-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.lab-card__chip {
  font-family: 'JetBrains Mono', 'SFMono-Regular', monospace;
  font-size: 10px;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 3px 8px;
}

.lab-card__links {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.lab-card__link {
  color: var(--accent-color, #ffcc00);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.lab-card__link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.lab-card__link.is-disabled {
  color: rgba(255, 255, 255, 0.25);
  pointer-events: none;
  cursor: default;
}

.lab-empty-state {
  padding: 60px 20px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .lab-grid {
    grid-template-columns: 1fr;
  }
}

/* タッチ端末: IntersectionObserver で is-playing が付与されたとき再生中の見た目に */
@media (hover: none) {
  .lab-card.is-playing .lab-card__media video {
    opacity: 1;
    z-index: 2;
  }
  .lab-card.is-playing .lab-card__media .lab-poster {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lab-card .lab-card__media video {
    display: none;
  }
}