/* ============================================
   RESPONSIVE
   Mobile & tablet adaptations
   ============================================ */

/* --- Tablet (<=1024px) --- */
@media (max-width: 1024px) {
  .lobby__rooms {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .doorway {
    aspect-ratio: 3 / 4;
  }

  /* Room wall: reduce gap on tablet */
  .room__wall {
    gap: clamp(30px, 4vw, 70px);
  }

  .viewer__hero {
    padding: 80px var(--space-lg);
    gap: var(--space-lg);
  }
}

/* --- Mobile (<=768px) --- */
@media (max-width: 768px) {
  :root {
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
  }

  .lobby {
    padding: var(--space-md) var(--space-sm);
  }

  .lobby__header {
    margin-bottom: var(--space-lg);
  }

  .lobby__rooms {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .doorway {
    aspect-ratio: 2 / 3;
  }

  .doorway__title {
    font-size: var(--font-size-artwork-title);
  }

  .doorway__subtitle {
    display: none;
  }

  /* Room wall: reduce gap/padding on mobile (stays horizontal scroll) */
  .room__wall {
    gap: clamp(24px, 4vw, 50px);
    padding: 0 8vw;
  }

  /* Viewer: stack to column on mobile */
  .viewer__hero {
    flex-direction: column;
    padding: var(--space-lg) var(--space-sm) var(--space-md);
    gap: 0;
    min-height: auto;
  }

  .viewer__artwork {
    flex: none;
    width: 100%;
  }

  .viewer__meta {
    flex: none;
    width: 100%;
    text-align: center;
    margin-top: var(--space-lg);
  }

  .viewer__artwork-placeholder,
  .viewer__artwork-img,
  .viewer__video {
    max-height: 50vh;
  }

  .viewer__close {
    top: var(--space-sm);
    left: var(--space-sm);
    padding: 6px 12px;
    font-size: 0.7rem;
  }

  .viewer__story {
    padding: var(--space-lg) var(--space-sm);
  }

  .viewer__nav {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-sm);
  }

  /* Story images strip */
  .story-image-item {
    width: 220px;
  }

  /* Audio player */
  .audio-player {
    padding: 8px var(--space-sm);
  }

  .audio-player__label {
    display: none;
  }
}

/* --- Small Mobile (<=480px) --- */
@media (max-width: 480px) {
  .lobby__rooms {
    grid-template-columns: 1fr;
  }

  .doorway {
    aspect-ratio: 16 / 9;
  }

  /* Room wall: smallest screens, further reduce padding */
  .room__wall {
    padding: 0 5vw;
  }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .scroll-indicator {
    animation: none;
  }

  #ambient-canvas {
    display: none;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation-duration: 0.01ms !important;
  }
}