/* Chip cards — isolated styles; loaded AFTER style.css so these win. */
.story-display details.chip {
  position: relative;
  display: flex;              /* single-row footprint */
  align-items: center;
  overflow: hidden;
  border: 1.5px solid var(--frame);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 92%, var(--frame) 8%);
  box-shadow: 0 6px 18px rgba(0,0,0,.12);
  min-height: 36px;
  line-height: 1.2;
  margin: 3px 0;              /* 3px vertical gap between chips */
}

/* Make chips hover animated */
.story-display details.chip:hover {
  box-shadow: 0 10px 24px rgba(0,0,0,.20);
}

/* remove default marker */
.story-display details.chip > summary { list-style: none; cursor: pointer; }
.story-display details.chip > summary::-webkit-details-marker { display: none; }
.story-display details.chip > summary::marker { content: ""; }

/* Two faces stacked in the *same* row via absolute positioning.
   Summary leaves layout when open → no left gap; no height jank. */
.story-display .chip-summary,
.story-display .chip-marquee {
  position: absolute;
  inset: 0;                   /* top:0; right:0; bottom:0; left:0 */
  display: flex;
  align-items: center;
  padding-left: 10px;
  min-height: 36px;
  white-space: nowrap;
  transition: opacity 220ms ease;
}

.story-display .chip-summary { opacity: 1; user-select: none; }
.story-display details.chip[open] .chip-summary {
  opacity: 0;
  pointer-events: none;       /* completely ignores pointer */
}

/* Marquee face */
.story-display .chip-marquee { opacity: 0; pointer-events: none; }
.story-display details.chip[open] .chip-marquee { opacity: 1; pointer-events: auto; }

/* Marquee internals */
.story-display .marquee-viewport {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 1lh;                /* roughly one line tall */
}
.story-display .marquee-track {
  position: relative;
  display: inline-flex;
  white-space: nowrap;
  will-change: transform;
}
.story-display .marquee-item { padding-inline-end: 48px; }

.story-display details.chip[open]:hover .marquee-track { animation-play-state: paused; }

@keyframes scroll-left { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.story-display details.chip > summary:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
  border-radius: 10px;
}

@media (prefers-reduced-motion: reduce) {
  .story-display .marquee-track { animation: none !important; transform: none !important; }
}