/* Phase 4: albums, GIF/video framing, animated stickers, voice, lightbox. */

.media-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
}
.zoomable { cursor: zoom-in; }

/* GIF marker, matching the app's corner label. */
.badge {
  position: absolute;
  left: 8px;
  top: 8px;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
}

/* ---- albums ------------------------------------------------------------ */

.album-grid { display: grid; }
.album-cell {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
}
/* Only the outer corners round, so the grid reads as one object. */
.album-cell:first-child { border-top-left-radius: 11px; }
.album-cell:last-child { border-bottom-right-radius: 11px; }
.album-grid > .album-cell > .media,
.album-grid > .album-cell > .media-frame {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  border-radius: 0;
}
.album-grid .absent { width: 100% !important; height: 100% !important; }

/* ---- animated stickers ------------------------------------------------- */

.tgs {
  position: relative;
  display: grid;
  place-items: center;
}
.tgs-poster {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.tgs-bare { font-size: 44px; }
/* Once a renderer takes over, the poster steps aside. */
.tgs-live .tgs-poster { display: none; }
.tgs canvas, .tgs svg { width: 100%; height: 100%; }

.sticker-video { background: none; object-fit: contain; }

/* ---- voice messages ---------------------------------------------------- */

.voice {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
  padding: 2px 0;
  --wave-played: var(--accent);
  --wave-rest: rgba(127, 127, 127, 0.45);
}
.out .voice {
  --wave-played: #fff;
  --wave-rest: rgba(255, 255, 255, 0.45);
}
.voice-play {
  width: 36px;
  height: 36px;
  flex: none;
  border: 0;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--spring-fast);
}
.out .voice-play { background: #fff; color: var(--accent); }
.voice-play:active { transform: scale(0.9); }
.voice-play svg { width: 16px; height: 16px; }

.voice-body { flex: 1; min-width: 0; }
.voice-wave {
  display: block;
  width: 100%;
  height: 26px;
  cursor: pointer;
}
.voice-time {
  font-size: 11px;
  opacity: 0.7;
  font-variant-numeric: tabular-nums;
}

.inline-audio { width: 100%; margin-top: 6px; height: 32px; }

/* ---- lightbox ---------------------------------------------------------- */

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 64px 1fr 64px;
  align-items: center;
  background: rgba(0, 0, 0, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  animation: lb-in var(--dur) var(--spring);
}
@keyframes lb-in { from { opacity: 0; } to { opacity: 1; } }

.lb-stage {
  grid-column: 2;
  display: grid;
  place-items: center;
  height: 100%;
  padding: 40px 0;
}
.lb-stage img, .lb-stage video {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;      /* both axes auto: never distort, whatever the shape */
  border-radius: 8px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

#lightbox button {
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: color var(--dur-fast) var(--spring-fast),
              transform var(--dur-fast) var(--spring-fast);
}
#lightbox button:hover { color: #fff; }
#lightbox button:active { transform: scale(0.9); }
#lightbox button svg { width: 30px; height: 30px; }
.lb-prev { grid-column: 1; height: 100%; }
.lb-next { grid-column: 3; height: 100%; }
.lb-close {
  position: absolute;
  top: 14px;
  right: 18px;
  width: 42px;
  height: 42px;
}
.lb-caption {
  position: absolute;
  bottom: 18px;
  left: 0;
  right: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* ---- spoilers ----------------------------------------------------------- */

.spoiler {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
  /* Sized by the caller from the export's own dimensions, so the shape is
     right before anything loads. */
}
.spoiler-media {
  /* Heavy enough that nothing is legible, but the colours still show through
     so the reveal has something to uncover. */
  filter: blur(22px) saturate(1.2);
  transform: scale(1.12);   /* hides the blur's soft edges */
  transition: filter 480ms var(--spring), transform 480ms var(--spring);
}
.spoiler-sand {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.spoiler-hint {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  pointer-events: none;
  transition: opacity 200ms var(--spring);
}

/* The reveal is a circle grown from the click point. Animating clip-path
   keeps it on the compositor, and the blur lifts over the same interval so
   the two read as one motion. */
.spoiler.revealed .spoiler-media {
  filter: none;
  transform: none;
  clip-path: circle(var(--reveal-r, 150%) at var(--reveal-x, 50%) var(--reveal-y, 50%));
  animation: spoiler-open 620ms var(--spring) both;
}
.spoiler.revealed .spoiler-hint { opacity: 0; }
.spoiler.revealed { cursor: zoom-in; }

@keyframes spoiler-open {
  from { clip-path: circle(0px at var(--reveal-x, 50%) var(--reveal-y, 50%)); }
  to { clip-path: circle(var(--reveal-r, 150%) at var(--reveal-x, 50%) var(--reveal-y, 50%)); }
}

@media (prefers-reduced-motion: reduce) {
  .spoiler.revealed .spoiler-media { animation: none; clip-path: none; }
}