[data-daily-chess-root] {
  --daily-chess-ink: #172035;
  --daily-chess-muted: #5c6578;
  --daily-chess-panel: #f7f8fc;
  --daily-chess-line: #c9cfdb;
  --daily-chess-light: #eee9dd;
  --daily-chess-dark: #77869b;
  --daily-chess-accent: #3859c7;
  --daily-chess-accent-soft: #e8edff;
  --daily-chess-success: #176843;
  color: var(--daily-chess-ink);
  container-type: inline-size;
  width: 100%;
}

[data-daily-chess-root][hidden] {
  display: none !important;
}

[data-daily-chess-root] .daily-chess-shell {
  display: grid;
  gap: 18px;
  width: 100%;
}

[data-daily-chess-root] .daily-chess-summary {
  align-items: center;
  background: var(--daily-chess-panel);
  border: 1px solid var(--daily-chess-line);
  border-radius: 16px;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 16px;
}

[data-daily-chess-root] .daily-chess-kicker,
[data-daily-chess-root] .daily-chess-summary p,
[data-daily-chess-root] [data-daily-chess-status],
[data-daily-chess-root] [data-daily-chess-result] {
  margin: 0;
}

[data-daily-chess-root] .daily-chess-kicker {
  color: var(--daily-chess-muted);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.02em;
}

[data-daily-chess-root] .daily-chess-date {
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

[data-daily-chess-root] .daily-chess-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

[data-daily-chess-root] .daily-chess-metric {
  align-items: center;
  background: #fff;
  border: 1px solid var(--daily-chess-line);
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  min-height: 36px;
  padding: 4px 11px;
}

[data-daily-chess-root] .daily-chess-options,
[data-daily-chess-root] .daily-chess-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

[data-daily-chess-root] .daily-chess-options button,
[data-daily-chess-root] .daily-chess-actions button {
  align-items: center;
  background: #fff;
  border: 1px solid var(--daily-chess-line);
  border-radius: 10px;
  color: var(--daily-chess-ink);
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 750;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 9px 14px;
  touch-action: manipulation;
  transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

[data-daily-chess-root] .daily-chess-options button:hover,
[data-daily-chess-root] .daily-chess-actions button:hover {
  border-color: var(--daily-chess-accent);
}

[data-daily-chess-root] .daily-chess-options button:active,
[data-daily-chess-root] .daily-chess-actions button:active {
  transform: translateY(1px);
}

[data-daily-chess-root] .daily-chess-options button[aria-pressed="true"],
[data-daily-chess-root] .daily-chess-actions [data-daily-chess-share] {
  background: var(--daily-chess-accent);
  border-color: var(--daily-chess-accent);
  color: #fff;
}

[data-daily-chess-root] button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

[data-daily-chess-root] button:focus-visible,
[data-daily-chess-root] [data-daily-chess-square]:focus-visible {
  outline: 3px solid #ffb000;
  outline-offset: 3px;
}

[data-daily-chess-root] .daily-chess-board-scroll {
  -webkit-overflow-scrolling: touch;
  overflow-x: auto;
  padding: 4px 4px 10px;
  width: 100%;
}

[data-daily-chess-root] [data-daily-chess-board] {
  aspect-ratio: 1;
  border: 2px solid var(--daily-chess-ink);
  display: grid;
  grid-template-columns: repeat(8, minmax(44px, 1fr));
  grid-template-rows: repeat(8, minmax(44px, 1fr));
  margin-inline: auto;
  min-height: 352px;
  min-width: 352px;
  overflow: hidden;
  width: min(100%, 560px);
}

[data-daily-chess-root] [data-daily-chess-square] {
  align-items: center;
  appearance: none;
  background: var(--daily-chess-light);
  border: 0;
  border-radius: 0;
  color: #111827;
  cursor: pointer;
  display: flex;
  font: inherit;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0;
  position: relative;
  touch-action: manipulation;
}

[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 2),
[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 4),
[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 6),
[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 8),
[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 9),
[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 11),
[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 13),
[data-daily-chess-root] [data-daily-chess-square]:nth-child(16n + 15) {
  background: var(--daily-chess-dark);
}

[data-daily-chess-root] [data-daily-chess-piece] {
  font-family: "Arial Unicode MS", "Noto Sans Symbols 2", "Noto Sans Symbols", serif;
  font-size: clamp(1.9rem, 9cqi, 3.65rem);
  line-height: 1;
  pointer-events: none;
  speak: never;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.55);
}

[data-daily-chess-root] [data-daily-chess-coordinate] {
  bottom: 2px;
  font-size: clamp(0.55rem, 1.9cqi, 0.72rem);
  font-weight: 850;
  left: 3px;
  line-height: 1;
  pointer-events: none;
  position: absolute;
}

[data-daily-chess-root] [data-daily-chess-square][data-selected="true"] {
  box-shadow: inset 0 0 0 4px #ffb000;
}

[data-daily-chess-root] [data-daily-chess-square][data-selected="true"]::after {
  content: "◆";
  font-size: 0.8rem;
  position: absolute;
  right: 4px;
  top: 3px;
}

[data-daily-chess-root] [data-daily-chess-square][data-hint="true"] {
  box-shadow: inset 0 0 0 4px var(--daily-chess-accent);
}

[data-daily-chess-root] [data-daily-chess-square][data-hint="true"]::before {
  content: "?";
  font-size: 0.78rem;
  font-weight: 900;
  position: absolute;
  right: 4px;
  top: 3px;
}

[data-daily-chess-root] .daily-chess-feedback {
  background: var(--daily-chess-accent-soft);
  border-left: 4px solid var(--daily-chess-accent);
  border-radius: 8px;
  color: var(--daily-chess-ink);
  display: grid;
  gap: 6px;
  min-height: 52px;
  padding: 12px 14px;
}

[data-daily-chess-root] [data-daily-chess-result] {
  color: var(--daily-chess-success);
  font-weight: 850;
}

[data-daily-chess-root] [data-daily-chess-result][hidden] {
  display: none;
}

[data-daily-chess-root][data-daily-chess-state="complete"] .daily-chess-feedback {
  background: #eaf8f0;
  border-left-color: var(--daily-chess-success);
}

[data-daily-chess-root][data-daily-chess-state="failed"] .daily-chess-feedback {
  background: #fff4e5;
  border-left-color: #a14f00;
}

[data-daily-chess-root] .daily-chess-rules {
  color: var(--daily-chess-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

@container (max-width: 500px) {
  [data-daily-chess-root] .daily-chess-summary {
    grid-template-columns: 1fr;
  }

  [data-daily-chess-root] .daily-chess-metrics {
    justify-content: flex-start;
  }

  [data-daily-chess-root] .daily-chess-options button,
  [data-daily-chess-root] .daily-chess-actions button {
    flex: 1 1 calc(50% - 8px);
  }
}

@media (max-width: 320px) {
  [data-daily-chess-root] .daily-chess-shell {
    gap: 14px;
  }

  [data-daily-chess-root] .daily-chess-summary {
    border-radius: 12px;
    padding: 12px;
  }

  [data-daily-chess-root] .daily-chess-options button,
  [data-daily-chess-root] .daily-chess-actions button {
    padding-inline: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-daily-chess-root] *,
  [data-daily-chess-root] *::before,
  [data-daily-chess-root] *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (forced-colors: active) {
  [data-daily-chess-root] .daily-chess-summary,
  [data-daily-chess-root] .daily-chess-metric,
  [data-daily-chess-root] .daily-chess-feedback,
  [data-daily-chess-root] [data-daily-chess-board],
  [data-daily-chess-root] [data-daily-chess-square],
  [data-daily-chess-root] .daily-chess-options button,
  [data-daily-chess-root] .daily-chess-actions button {
    border-color: CanvasText;
    forced-color-adjust: auto;
  }

  [data-daily-chess-root] [data-daily-chess-square][data-selected="true"],
  [data-daily-chess-root] [data-daily-chess-square][data-hint="true"] {
    outline: 4px double Highlight;
    outline-offset: -5px;
  }

  [data-daily-chess-root] [data-daily-chess-piece] {
    text-shadow: none;
  }
}