/*
 * Drop Room — mobile-first immersive 3D vinyl viewer page.
 * SSOT: yoyaku-theme/page-templates/drop-room.php
 */

.drop-room-page {
  --drop-bg: #0a0a0a;
  --drop-fg: #eee;
  --drop-accent: #f0c14b;
  --drop-card: #1a1a1a;
  --drop-border: #2a2a2a;
  --drop-radius: 0.5rem;
  --drop-gap: 0.75rem;

  background: var(--drop-bg);
  color: var(--drop-fg);
  min-height: 100vh;
  padding: 1rem 0.75rem 4rem;
  font-family: ui-monospace, "SF Mono", Monaco, monospace;
}

.drop-room__hero {
  text-align: center;
  margin-bottom: 1.5rem;
}
.drop-room__title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  letter-spacing: 0.25em;
  margin: 0 0 0.5rem;
  font-weight: 700;
}
.drop-room__subtitle {
  font-size: 0.85rem;
  opacity: 0.7;
  margin: 0;
}

.drop-room__viewer {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 65vh;
  background: var(--drop-card);
  border-radius: var(--drop-radius);
  margin-bottom: var(--drop-gap);
  position: relative;
  touch-action: none; /* viewer owns gestures */
  overflow: hidden;
}

.drop-room__noscript p {
  padding: 2rem;
  text-align: center;
  opacity: 0.7;
}

.drop-room__viewer--fallback {
  touch-action: pan-y;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drop-room__fallback-view {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  background:
    radial-gradient(circle at 50% 42%, rgba(255,255,255,0.08), transparent 55%),
    var(--drop-card);
}

.drop-room__fallback-cover {
  width: min(72vw, 420px);
  max-width: 78%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 0.25rem;
  box-shadow: 0 1.25rem 4rem rgba(0,0,0,0.45);
}

.drop-room__fallback-meta {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-align: center;
  text-shadow: 0 2px 12px rgba(0,0,0,0.9);
}

.drop-room__fallback-artist {
  font-size: 0.72rem;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.drop-room__fallback-title {
  font-size: 0.95rem;
}

/* Combo */
.drop-room__combo {
  background: var(--drop-card);
  border-radius: var(--drop-radius);
  padding: 0.75rem;
  margin-bottom: 1.5rem;
}
.drop-room__combo-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
.drop-room__combo-header h2 {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.drop-room__combo-count {
  font-size: 0.85rem;
  opacity: 0.7;
}
.drop-room__combo-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  min-height: 4rem;
}
.drop-room__combo-list li {
  background: var(--drop-bg);
  border: 1px solid var(--drop-border);
  border-radius: var(--drop-radius);
  aspect-ratio: 1 / 1;
  position: relative;
}
.drop-room__combo-list li img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--drop-radius);
}
.drop-room__combo-add {
  width: 100%;
  padding: 0.85rem;
  background: var(--drop-accent);
  color: #000;
  border: 0;
  border-radius: var(--drop-radius);
  font-family: inherit;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem;
  cursor: pointer;
}
.drop-room__combo-add:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Grid */
.drop-room__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--drop-gap);
}
@media (min-width: 640px) {
  .drop-room__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 960px) {
  .drop-room__grid { grid-template-columns: repeat(4, 1fr); }
}

.drop-room__card {
  background: var(--drop-card);
  border-radius: var(--drop-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.drop-room__card-spin {
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.drop-room__card-spin img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.drop-room__card-spin:active img { transform: scale(0.97); }
.drop-room__card-meta {
  padding: 0.5rem 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.8rem;
}
.drop-room__card-artist {
  opacity: 0.7;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.drop-room__card-title { font-weight: 600; }
.drop-room__card-price { opacity: 0.8; }
.drop-room__card-actions {
  display: flex;
  gap: 0.25rem;
  padding: 0 0.6rem 0.6rem;
}
.drop-room__card-combo,
.drop-room__card-link {
  flex: 1;
  padding: 0.45rem;
  font-size: 0.75rem;
  border: 1px solid var(--drop-border);
  border-radius: 0.25rem;
  background: transparent;
  color: var(--drop-fg);
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  font-family: inherit;
}
.drop-room__card-combo.is-active {
  background: var(--drop-accent);
  color: #000;
  border-color: var(--drop-accent);
}

.drop-room__empty {
  padding: 4rem 1rem;
  text-align: center;
  opacity: 0.6;
}

/* Standalone PWA / full-screen tweaks */
@media (display-mode: standalone) {
  .drop-room-page { padding-top: 2rem; }
  .drop-room__viewer { max-height: 50vh; }
}