/* Dots and Boxes: pencil lines on paper, boxes in player colours. */

:root {
  --p1: #2f7de0;
  --p2: #e5483b;
  --dot: #2b2822;
  --ghost: rgba(40, 32, 16, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --p1: #5b9bf0;
    --p2: #ff6b5e;
    --dot: #eceae4;
    --ghost: rgba(255, 255, 255, 0.07);
  }
}
:root[data-theme='dark'] {
  --p1: #5b9bf0;
  --p2: #ff6b5e;
  --dot: #eceae4;
  --ghost: rgba(255, 255, 255, 0.07);
}
:root[data-theme='hallows'] {
  --p1: #8fd16a;
  --p2: #f08a24;
  --dot: #ffe29a;
  --ghost: rgba(255, 226, 154, 0.08);
}
:root[data-theme='hallows'] .hw-candle {
  display: none;
}
body {
  min-height: var(--app-height);
  padding: var(--safe-top) var(--safe-right) var(--safe-bottom) var(--safe-left);
}
#announce {
  margin: 0;
  top: 0;
}
.app {
  display: flex;
  flex-direction: column;
  height: calc(var(--app-height) - var(--safe-top) - var(--safe-bottom));
  min-height: 520px;
  max-width: 520px;
  margin: 0 auto;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px 6px;
}
.title-btn {
  appearance: none;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 12px;
  color: var(--text);
  min-width: 0;
}
.title-btn:hover {
  background: var(--accent-soft);
}
.title-main {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.title-main::after {
  content: ' ▾';
  font-size: 0.7em;
  color: var(--text-muted);
}
.title-sub {
  display: block;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
}
.score {
  display: flex;
  gap: 8px;
}
.chip {
  min-width: 64px;
  text-align: center;
  padding: 6px 12px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.chip small {
  display: block;
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.chip b {
  display: block;
  font-size: 1.3rem;
  font-variant-numeric: tabular-nums;
}

.stage {
  flex: 1 1 0;
  min-height: 0;
  position: relative;
  display: grid;
  place-items: center;
  padding: 4px 12px 8px;
  container-type: size;
}
.overlay {
  position: absolute;
  display: grid;
  gap: 4px;
  justify-items: center;
  padding: 14px 20px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow-lg);
  text-align: center;
  pointer-events: none;
}
.overlay[hidden] {
  display: none;
}
.overlay b {
  font-size: 1.3rem;
}
.overlay small {
  color: var(--text-muted);
  font-weight: 600;
}
.small {
  font-size: 0.85rem;
}
.toolbar {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 6px 8px 10px;
}
.tool {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  min-width: 64px;
  min-height: 50px;
  padding: 6px 8px;
  border-radius: 14px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
}
.tool:hover:not(:disabled) {
  background: var(--accent-soft);
}
.tool:disabled {
  opacity: 0.38;
}

.title {
  display: flex;
  flex-direction: column;
}
.score {
  gap: 6px;
}
.chip-you small {
  color: var(--accent);
}

.chip.p1 small {
  color: var(--p1);
}
.chip.p2 small {
  color: var(--p2);
}
.chip.turn {
  border-color: currentColor;
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.chip.p1.turn {
  color: var(--p1);
}
.chip.p2.turn {
  color: var(--p2);
}
.chip.turn b {
  color: var(--text);
}
.status {
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  min-height: 1.4em;
  margin: 0 16px;
}
.board {
  width: min(100cqw, 100cqh, 560px);
  height: auto;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
}
.board .hit {
  fill: transparent;
  cursor: pointer;
}
.board .ghost {
  stroke: var(--ghost);
  stroke-width: 8;
  stroke-linecap: round;
  pointer-events: none;
}
.board .hit:hover + .ghost {
  stroke: color-mix(in srgb, var(--accent) 45%, transparent);
}
.board .line {
  stroke-width: 8;
  stroke-linecap: round;
  pointer-events: none;
}
.board .line.p1 {
  stroke: var(--p1);
}
.board .line.p2 {
  stroke: var(--p2);
}
.board .line.last {
  animation: draw 0.25s ease-out;
}
@keyframes draw {
  from {
    stroke-width: 16;
    opacity: 0.4;
  }
}
.board .box {
  fill: transparent;
  pointer-events: none;
}
.board .box.p1 {
  fill: color-mix(in srgb, var(--p1) 30%, transparent);
}
.board .box.p2 {
  fill: color-mix(in srgb, var(--p2) 30%, transparent);
}
.board .box.new {
  animation: fill-in 0.35s ease-out;
  transform-box: fill-box;
  transform-origin: center;
}
@keyframes fill-in {
  from {
    transform: scale(0.3);
  }
}
.board .box-mark {
  font-weight: 800;
  font-size: 34px;
  text-anchor: middle;
  dominant-baseline: central;
  pointer-events: none;
}
.board .box-mark.p1 {
  fill: var(--p1);
}
.board .box-mark.p2 {
  fill: var(--p2);
}
.board .dot {
  fill: var(--dot);
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .board .line.last,
  .board .box.new {
    animation: none;
  }
}