:root{font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#eaf1f1;background:#12232b;--muted:#9bafb6;--line:#34464d;--teal:#4ed7bd;--panel:#1b3039;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select,.file-button{min-height:44px;border:1px solid transparent;border-radius:8px;background:transparent;color:inherit;padding:8px 12px;cursor:pointer}button:hover,.file-button:hover{background:#243d47}button:disabled{opacity:.3;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--teal);outline-offset:3px}select{background:#1b3039;font-size:14px}a{color:var(--teal)}header{max-width:760px;height:62px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:18px;font-weight:650;letter-spacing:-.4px;color:#dae5e8;text-decoration:none}#menu{font-size:21px;color:var(--muted)}main{max-width:760px;margin:auto;padding:0 20px 24px}.workspace{width:min(100%,calc(100dvh - 192px));min-width:260px;margin:auto}.board-heading{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}#turn-label{font-size:14px;color:var(--muted)}.board-shell{aspect-ratio:1;background:#dfbc88;border-radius:5px;overflow:hidden}#board{width:100%;height:100%;display:block;touch-action:manipulation}#board .point{cursor:pointer;outline:none}#board .point:focus-visible .hit{fill:#4ed7bd66;stroke:#fff;stroke-width:2}#board .point:hover .hit{fill:#ffffff25}.transport{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px}.transport button{min-width:44px;font-size:26px;padding:0 12px;color:#b8cbd0}#replay{font-size:15px}#pass{margin-left:auto;font-size:14px}#move-count{font-size:13px;color:var(--muted);margin-left:8px;font-variant-numeric:tabular-nums}.context-bar{display:flex;align-items:center;gap:6px;margin-top:8px;border-top:1px solid var(--line);padding-top:8px;font-size:14px}.context-bar strong,.context-bar>span{margin-right:auto;font-weight:500}.context-bar button{font-size:14px;padding:8px 10px}.branches{display:flex;flex-wrap:wrap;gap:4px}.branches:empty{display:none}.branches button{font-size:13px;color:var(--muted)}.branches button[aria-pressed=true]{color:var(--teal)}#notice{font-size:14px;line-height:1.5;color:#d6e0e3;margin:12px 0}dialog{color:#eaf1f1;background:var(--panel);border:1px solid #45616c;border-radius:14px;width:calc(100% - 32px);max-width:360px;max-height:calc(100dvh - 32px);padding:18px 22px;overflow:auto}dialog::backdrop{background:#051218b0;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}h2{font-size:18px;margin:0}.dialog-heading button{font-size:24px}.menu-section{display:grid;gap:6px;padding:12px 0;border-bottom:1px solid var(--line)}.menu-section>label{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;font-size:14px}input[type=number]{background:#12232b;color:inherit;border:1px solid var(--line);border-radius:6px;padding:10px;width:84px}input[type=checkbox]{width:19px;height:19px;accent-color:var(--teal)}.menu-section>button,.file-actions>button,.file-button{font-size:14px;text-align:left}.actions{grid-template-columns:1fr 1fr}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;min-height:48px;padding:15px 0;font-size:14px}.history-controls{display:flex;gap:8px;align-items:center}.history-controls input{min-width:0;flex:1;accent-color:var(--teal)}.history-controls button{font-size:20px}.file-actions{display:grid;padding-bottom:10px}.file-button{display:flex;align-items:center}.small{font-size:12px;color:var(--muted)}footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px;font-size:13px}footer a{color:var(--muted)}[hidden]{display:none!important}@media(max-width:600px){header{height:56px;padding:0 14px}main{padding:0 10px 20px}.workspace{width:100%;min-width:0}.board-heading{height:50px;padding:0 3px}.context-bar{flex-wrap:wrap}.transport{margin-top:6px}}@media(prefers-reduced-motion:no-preference){button{transition:background .12s}}

.blunder{color:#ffb497;font-size:13px}.blunder button{color:inherit}.blunder>span{flex:1;min-width:140px}

button,[role="button"],a,input,select,summary,label{touch-action:manipulation}
#score{font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap;min-width:65px;margin-left:8px;color:#d4e3e6}
@media(max-width:600px){input,select{font-size:16px}}