/* =========================================================
   Time slider for simulation snapshots.
   Loaded only by pages that use it, on top of style.css.
   ========================================================= */

/* Before the script runs (or without JavaScript): show only the first frame */
.timeslider > img:not(:first-of-type) { display: none; }

/* All frames sit on top of each other; only the current one is visible */
.timeslider__frames {
  display: grid;
  background: var(--plate);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 0.75rem;
}
.timeslider__frames img { grid-area: 1 / 1; width: 100%; height: auto; opacity: 0; }
.timeslider__frames img.is-current { opacity: 1; }

/* Play button, slider and time label */
.timeslider__controls {
  display: flex; align-items: center; gap: 0.85rem;
  margin-top: 0.8rem;
  font-family: var(--sans);
}
.timeslider__play {
  flex: none;
  display: grid; place-items: center;
  width: 2.5rem; height: 2.5rem; padding: 0;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 50%;
  cursor: pointer;
}
.timeslider__play:hover { border-color: var(--muted); }
.timeslider__play svg { width: 0.95rem; height: 0.95rem; }
.timeslider__range {
  flex: 1; min-width: 0;
  height: 1.75rem; margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.timeslider__label {
  flex: none; min-width: 7rem; text-align: right;
  font-size: 0.9rem; color: var(--ink);
  font-variant-numeric: lining-nums tabular-nums;
  white-space: nowrap;
}
@media (max-width: 30rem) { .timeslider__label { min-width: 0; } }