/* Sliding tiles — own styles, theme tokens only. */

.tl {
  width: 100%;
  max-width: 560px;
}

.tl-bar {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.tl-stat {
  min-width: 84px;
  padding: 8px 14px 6px;
  text-align: center;
  border-radius: 10px;
  background: var(--gm-surface, #1b2740);
  border: 1px solid var(--gm-line, rgba(255, 255, 255, 0.09));
}

.tl-stat b {
  display: block;
  font: 500 1.35rem/1.15 var(--gm-display, "Fraunces", Georgia, serif);
  font-variant-numeric: tabular-nums;
}

.tl-lab {
  display: block;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gm-muted, rgba(242, 238, 230, 0.66));
}

.tl-bar .gm-btn { min-height: 44px; align-self: center; touch-action: manipulation; }
#tl-peek[aria-pressed="true"] {
  background: var(--gm-accent, #c0392b);
  border-color: var(--gm-accent, #c0392b);
  color: #fff;
}

.tl-board {
  --n: 4;
  container-type: inline-size;
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gm-surface, #1b2740);
  border: 1px solid var(--gm-line, rgba(255, 255, 255, 0.09));
  border-radius: var(--gm-radius, 12px);
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.tl-tile {
  appearance: none;
  -webkit-appearance: none;
  position: absolute;
  left: 0;
  top: 0;
  width: calc(100% / var(--n));
  height: calc(100% / var(--n));
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  background-color: var(--gm-surface-2, #22304a);
  background-repeat: no-repeat;
  transform: translate(calc(var(--c) * 100%), calc(var(--r) * 100%));
  transition: transform 0.16s ease-out;
  box-shadow: inset 0 0 0 2px var(--gm-surface, #1b2740);
  color: var(--gm-text, #f2eee6);
  touch-action: manipulation;
}

.tl-tile:focus-visible {
  outline: 3px solid var(--gm-accent-bright, #e0584a);
  outline-offset: -4px;
  z-index: 2;
}

.tl-tile.is-hole { visibility: hidden; pointer-events: none; }

.tl-num {
  position: absolute;
  left: 8%;
  top: 8%;
  min-width: 1.7em;
  padding: 0.12em 0.4em;
  border-radius: 999px;
  background: var(--gm-bg, rgba(15, 21, 32, 0.8));
  color: var(--gm-text, #f2eee6);
  font: 700 calc(100cqw / var(--n) * 0.24)/1.2 var(--gm-body, "DM Sans", system-ui, sans-serif);
  text-align: center;
  opacity: 0.88;
  transition: opacity 0.3s ease;
}

.tl-board.is-solved .tl-num,
.tl-board.is-peek .tl-num { opacity: 0; }
.tl-board.is-solved .tl-tile { box-shadow: none; }

.tl-preview {
  position: absolute;
  inset: 0;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  background-size: 100% 100%;
}

.tl-board.is-peek .tl-preview { opacity: 1; }

#gm-tiles .gm-status { margin-top: 12px; }
.gm-seg button { min-height: 40px; }

@media (max-width: 480px) {
  .tl-bar { gap: 6px; }
  .tl-stat { min-width: 70px; padding: 8px 8px 6px; }
}

@media (prefers-reduced-motion: reduce) {
  .tl-tile, .tl-num, .tl-preview { transition: none; }
}

#tl-size { border-radius: 16px; }