* { box-sizing: border-box; }
:root { color-scheme: dark; font-family: Arial, Helvetica, sans-serif; background: #171a18; color: #f3f1e8; }
body { margin: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button:disabled { cursor: default; opacity: .4; }
button:focus-visible, a:focus-visible, canvas:focus-visible { outline: 3px solid #c7e6b3; outline-offset: 3px; }
a { color: inherit; }

.game {
  --sidebar-width: 180px;
  --layout-gap: clamp(8px, 3vw, 24px);
  --edge: clamp(6px, 2vw, 16px);
  height: 100svh;
  min-height: 300px;
  max-width: 960px;
  margin: auto;
  padding: 0 var(--edge);
}
.play-area { height: 100%; display: flex; gap: var(--layout-gap); justify-content: center; }
.board-wrap {
  flex: none;
  width: min(50svh, calc(100% - var(--sidebar-width) - var(--layout-gap)));
  aspect-ratio: 1 / 2;
  align-self: flex-start;
  position: relative;
  border: 1px solid #40473c;
  border-radius: 4px;
  overflow: hidden;
  background: #111411;
}
#board { display: block; width: 100%; height: 100%; }
.overlay { position: absolute; inset: 0; background: #121612ee; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(12px, 4vw, 30px); }
.overlay[hidden] { display: none; }
.overlay p { font-size: clamp(11px, 2vw, 14px); line-height: 1.5; color: #b8c1ac; margin: 10px 0 24px; }
.overlay #eyebrow { font-size: 8px; letter-spacing: 1.5px; margin-bottom: 20px; }
.overlay h1 { font-size: clamp(32px, 7vw, 60px); line-height: .98; letter-spacing: -2px; font-weight: 500; margin: 0; }
.primary { border: 0; border-radius: 4px; background: #d4efb5; color: #162111; font-size: 13px; font-weight: 700; padding: 13px 14px; width: 100%; display: flex; justify-content: space-between; }
.primary:hover { background: #e6ffcc; }

.sidebar { flex: none; width: var(--sidebar-width); height: 100%; display: flex; flex-direction: column; gap: 20px; padding: 12px 0; }
.top-actions { display: flex; gap: 8px; flex-shrink: 0; }
.top-actions button { display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; background: none; border: 1px solid #484e46; border-radius: 5px; color: #deded2; touch-action: manipulation; }
.top-actions svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; }
.top-actions svg[hidden] { display: none; }
#sound[aria-pressed="false"] { color: #ee8c86; }
#sound[aria-pressed="true"] { color: #a9d986; }
#sound[aria-pressed="false"] .sound-waves, #sound[aria-pressed="true"] .mute-slash { display: none; }
#pause .pause-icon { stroke-width: 3; }
#pause .play-icon { fill: currentColor; stroke-width: 1.5; }
.stats { display: grid; grid-template-columns: minmax(0, 1.7fr) repeat(2, minmax(0, 1fr)); gap: 8px; }
.stat { min-width: 0; }
.stat span, .next > span { display: block; font-size: 8px; letter-spacing: 1px; color: #9da793; margin-bottom: 6px; }
.stat strong { display: block; font-size: 24px; line-height: 1; font-weight: 400; letter-spacing: -1px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.next { border-top: 1px solid #373d37; padding-top: 14px; }
#next { display: block; width: 120px; max-width: 100%; height: auto; }

.touch-controls { margin-top: auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; flex-shrink: 0; }
.touch-controls button { min-width: 0; min-height: 44px; border: 1px solid #454d40; border-radius: 4px; color: #e7ecdf; background: #252d22; font-size: 23px; touch-action: manipulation; }
.touch-controls button:active { background: #44583a; }
.touch-controls .drop { grid-column: span 2; background: #d4efb5; color: #203017; font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.drop span { font-size: 22px; margin-left: 7px; }
.game-footer { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; font-size: 8px; line-height: 1.3; letter-spacing: 1px; color: #9da793; }
.game-footer a { font-size: 11px; letter-spacing: 0; text-underline-offset: 3px; white-space: nowrap; }

@media (max-width: 520px) {
  .game { --sidebar-width: 140px; --layout-gap: 8px; --edge: 6px; }
  .stat strong { font-size: 20px; }
  .stat span { font-size: 7px; }
  .overlay { padding: 12px; }
  .overlay h1 { font-size: 32px; }
  .overlay p { font-size: 11px; }
  .overlay #eyebrow { display: none; }
}
@media (max-height: 520px) {
  .sidebar { gap: 12px; padding: 8px 0; }
  .next { padding-top: 8px; }
  #next { width: 90px; }
  .game-footer { font-size: 7px; letter-spacing: 0; gap: 6px; }
  .game-footer a { font-size: 10px; }
}
@media (max-height: 360px) {
  .sidebar { gap: 6px; }
  .stat span, .next > span { margin-bottom: 4px; }
  .next { padding-top: 4px; }
  #next { width: 64px; }
  .overlay { padding: 10px; }
  .overlay #eyebrow { display: none; }
  .overlay p { margin: 10px 0 18px; }
  .overlay h1 { font-size: 30px; }
  .primary { font-size: 11px; padding: 12px 8px; }
}