/* Word Ladder: own styles, theme variables only. */

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

.wl [hidden] { display: none !important; }

.wl-ladder {
  list-style: none;
  margin: 0 0 14px;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--gm-surface, #1b2740);
  border: 1px solid var(--gm-line, rgba(255, 255, 255, 0.09));
  border-radius: var(--gm-radius, 12px);
}

.wl-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wl-rowlab {
  flex: 0 0 4.4em;
  min-width: 0;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gm-muted, rgba(242, 238, 230, 0.66));
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.wl-tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 56px));
  gap: 8px;
}

.wl-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  min-height: 44px;
  padding: 0;
  font: 600 1.45rem/1 var(--gm-display, Georgia, serif);
  letter-spacing: 0.02em;
  color: var(--gm-text, #f2eee6);
  background: var(--gm-surface-2, #22304a);
  border: 1px solid var(--gm-line-2, rgba(255, 255, 255, 0.16));
  border-radius: 10px;
}

.wl-start .wl-tile,
.wl-goal .wl-tile {
  border-color: var(--gm-accent-line, rgba(192, 57, 43, 0.42));
}

.wl-goal .wl-tile {
  background: var(--gm-accent-soft, rgba(192, 57, 43, 0.3));
}

.wl-tile.wl-changed {
  border-color: var(--gm-accent, #c0392b);
}

.wl-tile.wl-hit {
  background: var(--gm-accent, #c0392b);
  border-color: var(--gm-accent, #c0392b);
  color: var(--gm-bg, #0e1626);
}

button.wl-tile {
  cursor: pointer;
  touch-action: manipulation;
  font-family: inherit;
  font-weight: 600;
  font-size: 1.45rem;
  box-shadow: 0 0 0 0 transparent;
}

button.wl-tile:hover { border-color: var(--gm-accent-bright, var(--gm-accent, #c0392b)); }

.wl-tile.wl-sel {
  box-shadow: 0 0 0 3px var(--gm-accent-line, rgba(192, 57, 43, 0.42));
  border-color: var(--gm-accent-bright, var(--gm-accent, #c0392b));
}

.wl-pick {
  margin: 0 0 14px;
  padding: 14px;
  background: var(--gm-surface, #1b2740);
  border: 1px solid var(--gm-line, rgba(255, 255, 255, 0.09));
  border-radius: var(--gm-radius, 12px);
}

.wl-pick-label {
  margin: 0 0 10px;
  font-size: 0.9rem;
  color: var(--gm-muted, rgba(242, 238, 230, 0.66));
}

.wl-letters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 6px;
}

.wl-letter {
  min-height: 44px;
  padding: 0;
  font: 600 1rem/1 var(--gm-body, system-ui, sans-serif);
  color: var(--gm-text, #f2eee6);
  background: var(--gm-surface-2, #22304a);
  border: 1px solid var(--gm-line-2, rgba(255, 255, 255, 0.16));
  border-radius: 8px;
  cursor: pointer;
  touch-action: manipulation;
}

.wl-letter:hover:not(:disabled) { border-color: var(--gm-accent-bright, var(--gm-accent, #c0392b)); }
.wl-letter:disabled { opacity: 0.3; cursor: default; }

.wl-form {
  margin: 0 0 14px;
}

.wl-form-row {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.wl-input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 44px;
  padding: 0 14px;
  font: 600 16px/1 var(--gm-body, system-ui, sans-serif);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gm-text, #f2eee6);
  background: var(--gm-surface-2, #22304a);
  border: 1px solid var(--gm-line-2, rgba(255, 255, 255, 0.16));
  border-radius: 10px;
}

.wl-input::placeholder { letter-spacing: 0; text-transform: none; color: var(--gm-muted, rgba(242, 238, 230, 0.66)); }
.wl-input:focus { outline: 2px solid var(--gm-accent-line, rgba(192, 57, 43, 0.42)); border-color: var(--gm-accent, #c0392b); }
.wl-input:disabled { opacity: 0.5; }

.wl-lvhint {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: var(--gm-muted, rgba(242, 238, 230, 0.66));
}

@media (max-width: 420px) {
  .wl-ladder { padding: 14px 10px; }
  .wl-row { gap: 8px; }
  .wl-rowlab { flex-basis: 3.6em; font-size: 0.62rem; letter-spacing: 0.06em; }
  .wl-tiles { gap: 6px; }
}

@media (pointer: coarse) {
  .wl-input, .wl-form .gm-btn { min-height: 48px; }
}