:root{color-scheme:dark;--bg:#0b101b;--panel:#131c2a;--line:#263246;--muted:#93a2b9;--text:#f2f5fa;--accent:#b5f668}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;touch-action:manipulation;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{opacity:.4;cursor:default}header{height:86px;display:flex;align-items:center;justify-content:space-between;padding:0 5%;border-bottom:1px solid #1d2838}.brand{text-decoration:none;color:var(--text);font-weight:850;letter-spacing:2px;font-size:21px;display:flex;gap:7px;align-items:center}.mark{font-size:36px;color:var(--accent);margin-right:9px}.neon{color:var(--accent);font-weight:400}.edition{color:var(--muted);font-size:12px;letter-spacing:2px}#sound{background:none;border:1px solid var(--line);border-radius:8px;padding:10px 14px;font-size:14px;color:#b8c3d5}main{max-width:1040px;margin:auto;padding:35px 24px 20px}.intro{text-align:center;margin-bottom:28px}.eyebrow{font-size:12px;letter-spacing:3px;color:var(--accent);font-weight:700}h1{font-size:44px;letter-spacing:-1.8px;margin:8px 0 6px;line-height:1.15}h1 span{color:var(--accent)}.intro p{color:var(--muted);margin:0;font-size:16px}.game{display:grid;grid-template-columns:230px 300px 170px;gap:28px;justify-content:center;align-items:start}.left,.right{padding-top:31px}.label{font-size:12px;color:var(--muted);letter-spacing:2px;font-weight:650}.scorecard{background:var(--panel);border:1px solid var(--line);padding:22px;border-radius:12px}.scorecard>strong{display:block;font-size:39px;font-variant-numeric:tabular-nums;letter-spacing:1px;font-weight:600;margin:9px 0 24px;color:var(--accent)}.best{border-top:1px solid var(--line);padding-top:16px;display:flex;flex-direction:column;gap:7px}.best span{font-size:10px;letter-spacing:1px;color:var(--muted)}.best b{font-size:18px;font-variant-numeric:tabular-nums}.stats{display:flex;margin-top:24px;gap:32px}.stats>div{flex:1}.stats strong{display:block;font-size:30px;font-weight:500;margin-top:5px}.stats>div+div{border-left:1px solid var(--line);padding-left:25px}.progress{margin:24px 0 30px}.progress>div:first-child{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.progress b{color:var(--text);font-weight:400}.track{height:4px;background:#263246;border-radius:3px;margin-top:10px}.track i{display:block;background:var(--accent);height:100%;width:0;transition:width .25s}.desktop-help{border-top:1px solid var(--line);padding-top:22px}.desktop-help p{display:flex;align-items:center;gap:5px;margin:12px 0}.desktop-help p span{margin-left:auto;font-size:13px;color:var(--muted)}kbd{font:12px ui-monospace,monospace;border:1px solid #354154;border-bottom-width:2px;padding:3px 7px;border-radius:4px;color:#becadc}.board-top{display:flex;justify-content:space-between;font-size:11px;letter-spacing:1.5px;color:var(--muted);margin-bottom:12px}.board-top span:first-child{color:var(--accent)}.board-wrap{position:relative;border:1px solid #3c4a5e;border-radius:6px;overflow:hidden;box-shadow:0 15px 60px #0005}#board{display:block;width:100%;height:auto;background:#080e18;touch-action:none}.overlay{position:absolute;inset:0;background:#090f1aed;display:flex;justify-content:center;align-items:center;flex-direction:column;text-align:center;padding:20px}.overlay[hidden]{display:none}.overlay-icon{font-size:64px;color:var(--accent);line-height:1.1;margin-bottom:25px}.overlay h2{font-size:29px;letter-spacing:-1px;margin:12px 0}.overlay p{font-size:14px;line-height:1.8;color:#a9b7ca;margin:0 0 26px}.primary{display:flex;justify-content:space-between;align-items:center;gap:40px;background:var(--accent);color:#12200a;padding:14px 20px;border:0;border-radius:6px;font-weight:750;min-width:210px}.primary:hover{background:#cafb92}.overlay small{font-size:12px;color:var(--muted);margin-top:14px}.board-footer{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:12px}.preview-panel,.hold-panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.preview-panel canvas,.hold-panel canvas{display:block;width:120px;max-width:100%;height:auto;margin:auto}.preview-panel canvas{margin-top:5px}.hold-panel{margin-top:16px}.hold-panel>div{display:flex;justify-content:space-between;align-items:center}.hold-panel>span{font-size:11px;color:var(--muted)}.secondary{background:#1b2738;border:1px solid #354154;width:100%;padding:12px;border-radius:7px;margin-top:20px;display:flex;gap:12px;justify-content:center;font-size:14px}.text-button{width:100%;background:none;border:0;padding:14px 0;font-size:13px;color:var(--muted)}.tip{margin-top:24px;font-size:13px;line-height:1.9;color:var(--muted)}.tip span{font-size:11px;letter-spacing:2px;color:var(--accent)}.bottom-note{text-align:center;color:#65758c;font-size:10px;letter-spacing:2px;margin:30px 0 0}.touch-controls{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}@media(min-height:900px) and (min-width:760px){main{padding-top:45px}.intro{margin-bottom:35px}}@media(max-width:760px){header{height:62px;padding:0 18px}.brand{font-size:17px;letter-spacing:1px}.mark{font-size:28px;margin-right:3px}.edition{display:none}#sound{padding:8px 10px;font-size:13px}main{padding:16px 14px}.intro{margin-bottom:18px}h1{font-size:30px;margin:4px 0}.intro p{font-size:13px}.intro .eyebrow{display:none}.game{grid-template-columns:minmax(0,260px) 95px;gap:12px;max-width:380px;margin:auto}.left{grid-column:1 / -1;display:flex;padding:0;gap:18px;align-items:center}.scorecard{background:none;border:0;padding:0;flex:1}.scorecard>.label{font-size:10px}.scorecard>strong{font-size:25px;margin:3px 0}.best{border:0;padding:0;flex-direction:row;gap:6px;align-items:center}.best span{font-size:8px;letter-spacing:0}.best b{font-size:11px}.stats{margin:0;gap:15px}.stats .label{font-size:10px}.stats strong{font-size:25px}.stats>div+div{padding-left:15px}.progress,.desktop-help{display:none}.right{padding-top:23px}.board-top{font-size:9px;margin-bottom:10px;letter-spacing:.5px}.preview-panel,.hold-panel{padding:10px}.label{font-size:10px;letter-spacing:1px}.hold-panel kbd{display:none}.hold-panel>span{font-size:10px}.secondary{font-size:12px;gap:4px;padding:11px 5px;margin-top:14px}.text-button{font-size:11px}.tip{font-size:11px;margin-top:16px}.tip span{font-size:10px;letter-spacing:1px}.board-footer{display:none}.touch-controls{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:10px}.touch-controls button{background:#1b283b;border:1px solid #34445a;border-radius:7px;min-height:45px;font-size:23px;user-select:none;touch-action:none}.touch-controls button:active{background:#425573}.touch-controls button[data-action=hold]{font-size:12px;grid-column:span 1}.touch-controls .drop{grid-column:span 3;font-size:14px;color:var(--accent);border-color:#617b43;background:#18251a}.overlay{padding:10px}.overlay h2{font-size:24px}.overlay-icon{font-size:45px;margin-bottom:18px}.overlay .eyebrow{font-size:10px}.primary{min-width:0;width:90%;padding:13px;gap:10px;font-size:14px}.overlay p{font-size:12px;margin-bottom:20px}.bottom-note{font-size:9px;margin-top:20px}}@media(max-width:380px){main{padding:12px 10px}.game{grid-template-columns:minmax(0,1fr) 82px;gap:9px}.intro{margin-bottom:12px}.intro p{font-size:12px}.touch-controls{gap:5px}.tip{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}