*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;touch-action:manipulation}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.game{width:min(94vw,440px);display:flex;flex-direction:column;gap:14px}.crumb{font-size:14px}.crumb a{color:var(--accent);text-decoration:none;font-weight:700}.crumb a:hover{text-decoration:underline}.topbar{display:flex;align-items:center;justify-content:space-between}.title{font-size:clamp(28px,8vw,44px);font-weight:800;line-height:1;letter-spacing:-1px}.stats{display:flex;gap:8px}.stat{flex:1;background:var(--board-bg);color:var(--accent-text);border-radius:6px;padding:6px 10px;text-align:center}.stat .label{font-size:10px;text-transform:uppercase;letter-spacing:1px;opacity:.85;font-weight:700}.stat .value{font-size:22px;font-weight:800;line-height:1.1}.status{font-size:16px;font-weight:700;text-align:center;min-height:22px}.board-wrap{position:relative;width:100%}.board{display:grid;grid-template-columns:repeat(8,1fr);width:100%;aspect-ratio:1 / 1;background:var(--board-bg);padding:3%;border-radius:12px;gap:0;overflow:hidden}.sq{position:relative;aspect-ratio:1 / 1;display:flex;align-items:center;justify-content:center}.sq.light{background:#e9d9b8}.sq.dark{background:#7d5a3c;cursor:pointer}.piece{width:76%;height:76%;border-radius:50%;transform:scale(0);transition:transform 90ms ease;display:flex;align-items:center;justify-content:center}.piece.filled{transform:scale(1)}.piece.red{background:radial-gradient(circle at 35% 30%,#ff7a63,#d62f22);box-shadow:inset 0 -3px 5px #00000059,0 1px 2px #0006}.piece.black{background:radial-gradient(circle at 35% 30%,#5a5a5a,#1c1c1c);box-shadow:inset 0 -3px 5px #00000073,0 1px 2px #0006}.piece.king:after{content:"♛";font-size:clamp(12px,4.5vw,22px);line-height:1;color:#ffd54a;text-shadow:0 1px 1px rgba(0,0,0,.6)}.sq.sel{box-shadow:inset 0 0 0 4px #ffd54a}.sq.target:before{content:"";position:absolute;width:34%;height:34%;border-radius:50%;background:#ffd54ad9;pointer-events:none}.sq.dark:hover{filter:brightness(1.08)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:var(--overlay-bg);border-radius:12px;z-index:10}.overlay[hidden]{display:none}.overlay-card{text-align:center;display:flex;flex-direction:column;gap:14px;align-items:center}.overlay-msg{font-size:clamp(22px,7vw,32px);font-weight:800;color:var(--text)}.controls{display:flex;align-items:center;justify-content:space-between;gap:10px}.how{font-size:13px;opacity:.85;flex:1}.how b{font-weight:700}.btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:filter .12s ease}.btn:hover{filter:brightness(1.05)}.btn:active{filter:brightness(.95)}@media(max-width:375px){.how{font-size:12px}}