/* Standalone styles for /daily-binary-puzzle. Keep every selector puzzle-scoped. */
body[data-play-mode="binarypuzzle"] {
  --binary-ink: #17201d;
  --binary-muted: #5d6964;
  --binary-line: #d8dfda;
  --binary-surface: #ffffff;
  --binary-soft: #f4f7f4;
  --binary-coffee: #70452e;
  --binary-coffee-soft: #f5e6da;
  --binary-tea: #176844;
  --binary-tea-soft: #dff3e7;
  --binary-accent: #245c4b;
  --binary-danger: #b63f36;
}

body[data-play-mode="binarypuzzle"] [data-binary-puzzle-root] {
  color: var(--binary-ink);
  margin-inline: auto;
  max-width: 680px;
}

.binary-puzzle-panel {
  background: var(--binary-surface);
  border: 1px solid var(--binary-line);
  border-radius: 18px;
  padding: clamp(16px, 4vw, 28px);
}

.binary-puzzle-head-meta,
.binary-puzzle-mode,
.binary-puzzle-mode-row,
.binary-puzzle-stats,
.binary-puzzle-actions,
.binary-puzzle-difficulty {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.binary-puzzle-head-meta {
  color: var(--binary-muted);
  font-size: 0.875rem;
  justify-content: space-between;
  margin-bottom: 14px;
}

.binary-puzzle-rules {
  color: var(--binary-muted);
  font-size: 0.925rem;
  line-height: 1.65;
  margin: 0 0 12px;
}

.binary-puzzle-legend {
  align-items: center;
  background: var(--binary-soft);
  border-radius: 12px;
  color: var(--binary-ink);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.875rem;
  gap: 8px 14px;
  margin: 0 0 16px;
  padding: 10px 12px;
}

.binary-puzzle-legend span {
  align-items: center;
  display: inline-flex;
  gap: 5px;
}

.binary-puzzle-mode,
.binary-puzzle-mode-row,
.binary-puzzle-difficulty {
  margin-bottom: 12px;
}

.binary-puzzle-mode button,
.binary-puzzle-mode-row button,
.binary-puzzle-difficulty button,
.binary-puzzle-actions button {
  appearance: none;
  background: var(--binary-surface);
  border: 1px solid var(--binary-line);
  border-radius: 11px;
  color: var(--binary-ink);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 44px;
  padding: 9px 13px;
  touch-action: manipulation;
}

.binary-puzzle-mode button:hover,
.binary-puzzle-mode-row button:hover,
.binary-puzzle-difficulty button:hover,
.binary-puzzle-actions button:hover {
  background: var(--binary-soft);
  border-color: var(--binary-accent);
}

.binary-puzzle-mode button[aria-pressed="true"],
.binary-puzzle-mode-row button[aria-pressed="true"],
.binary-puzzle-difficulty button[aria-pressed="true"] {
  background: var(--binary-accent);
  border-color: var(--binary-accent);
  color: #ffffff;
}

.binary-puzzle-mode button:disabled,
.binary-puzzle-mode-row button:disabled,
.binary-puzzle-difficulty button:disabled,
.binary-puzzle-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.binary-puzzle-stats {
  background: var(--binary-soft);
  border-radius: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 14px 0;
  padding: 10px;
}

.binary-puzzle-stat,
.binary-puzzle-stats > div {
  min-width: 0;
  text-align: center;
}

.binary-puzzle-stat + .binary-puzzle-stat,
.binary-puzzle-stats > div + div {
  border-left: 1px solid var(--binary-line);
}

.binary-puzzle-stat-label,
.binary-puzzle-stats dt {
  color: var(--binary-muted);
  display: block;
  font-size: 0.75rem;
  margin-bottom: 2px;
}

.binary-puzzle-stat-value,
.binary-puzzle-stats dd {
  display: block;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  margin: 0;
}

.binary-puzzle-grid {
  background: var(--binary-line);
  border: 1px solid var(--binary-line);
  border-radius: 14px;
  display: grid;
  gap: 2px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 18px auto;
  max-width: 480px;
  overflow: hidden;
  width: 100%;
}

.binary-puzzle-cell {
  align-items: center;
  appearance: none;
  aspect-ratio: 1;
  background: var(--binary-surface);
  border: 0;
  border-radius: 0;
  color: var(--binary-muted);
  cursor: pointer;
  display: flex;
  font-family: inherit;
  font-size: clamp(1.05rem, 5vw, 1.65rem);
  font-weight: 800;
  justify-content: center;
  line-height: 1;
  min-height: 44px;
  min-width: 0;
  padding: 0;
  position: relative;
  touch-action: manipulation;
}

.binary-puzzle-cell[data-binary-value="coffee"],
.binary-puzzle-cell.is-coffee {
  background: var(--binary-coffee-soft);
  color: var(--binary-coffee);
}

.binary-puzzle-cell[data-binary-value="tea"],
.binary-puzzle-cell.is-tea {
  background: var(--binary-tea-soft);
  color: var(--binary-tea);
}

.binary-puzzle-cell.is-given {
  box-shadow: inset 0 0 0 2px currentColor;
  cursor: default;
}

.binary-puzzle-cell.has-violation {
  box-shadow: inset 0 0 0 3px var(--binary-danger);
}

.binary-puzzle-cell:hover:not(.is-given) {
  filter: brightness(0.96);
}

.binary-puzzle-status,
[data-binary-puzzle-status] {
  align-items: center;
  background: var(--binary-soft);
  border-radius: 11px;
  color: var(--binary-ink);
  display: flex;
  line-height: 1.5;
  margin: 0 0 12px;
  min-height: 44px;
  padding: 9px 12px;
}

.binary-puzzle-actions {
  justify-content: center;
}

.binary-puzzle-actions [data-binary-puzzle-check] {
  background: var(--binary-accent);
  border-color: var(--binary-accent);
  color: #ffffff;
}

.binary-puzzle-actions [data-binary-puzzle-share] {
  border-color: var(--binary-accent);
  color: var(--binary-accent);
}

.binary-puzzle-mode button:focus-visible,
.binary-puzzle-mode-row button:focus-visible,
.binary-puzzle-difficulty button:focus-visible,
.binary-puzzle-actions button:focus-visible,
.binary-puzzle-cell:focus-visible {
  outline: 3px solid #ffb326;
  outline-offset: 3px;
  position: relative;
  z-index: 2;
}

@media (max-width: 480px) {
  .binary-puzzle-panel {
    border-radius: 14px;
    padding: 14px;
  }

  .binary-puzzle-mode button,
  .binary-puzzle-mode-row button,
  .binary-puzzle-difficulty button {
    flex: 1 1 auto;
  }

  .binary-puzzle-actions button {
    flex: 1 1 calc(50% - 8px);
  }
}

@media (max-width: 360px) {
  .binary-puzzle-panel {
    padding: 10px;
  }

  .binary-puzzle-grid {
    border-radius: 10px;
    gap: 1px;
    margin-block: 14px;
  }

  .binary-puzzle-cell {
    font-size: 1rem;
    min-height: 44px;
  }

  .binary-puzzle-actions button {
    flex-basis: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .binary-puzzle-cell,
  .binary-puzzle-actions button,
  .binary-puzzle-mode button,
  .binary-puzzle-mode-row button,
  .binary-puzzle-difficulty button {
    scroll-behavior: auto;
    transition: none;
  }
}

@media (forced-colors: active) {
  .binary-puzzle-cell.is-given,
  .binary-puzzle-cell.has-violation {
    border: 2px solid ButtonText;
    box-shadow: none;
  }
}