:root{color-scheme:dark;--bg:#070b14;--panel:#0e1422;--line:#253043;--text:#edf3fb;--muted:#96a5bb;--cyan:#50eadc;--lime:#d3ff6b;--purple:#9580ff;font-family:Inter,"Noto Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100svh;background:radial-gradient(ellipse at 10% 0%,#15263788 0,transparent 46%),radial-gradient(ellipse at 96% 92%,#26214555 0,transparent 40%),var(--bg);color:var(--text)}button,a,summary,canvas{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid var(--lime);outline-offset:4px}button{touch-action:manipulation}.shell{width:min(1230px,100%);margin:auto;padding:28px 36px 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svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.icon-button[aria-pressed=true]{color:var(--cyan)}main{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:22px;align-items:start}.game-panel{background:#0b1220;border:1px solid #304057;border-radius:14px;box-shadow:0 20px 80px #0005;overflow:hidden}.game-toolbar{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid #29364b;background:linear-gradient(100deg,#152034,#101726)}.sector{display:flex;gap:12px;align-items:center}.small-label{font:12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:1.6px;color:var(--muted)}.sector strong{font:700 25px/1 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--cyan)}.sector strong span{font-size:13px;color:#7f90aa;margin-left:4px}.run-status{display:flex;gap:7px;align-items:center;font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:#a1b1c7;letter-spacing:.5px}.status-dot{width:5px;height:5px;background:#8191a9;border-radius:50%}.status-dot.live{background:var(--cyan);box-shadow:0 0 10px #50eadc55}.plain-button{display:flex;gap:7px;align-items:center;border:0;background:none;padding:10px 0 10px 10px;color:#d5e1f2;font-size:14px}.plain-button:hover{color:var(--cyan)}.board-wrap{position:relative;width:100%;aspect-ratio:800/640;background:#080f1b;isolation:isolate}canvas{width:100%;height:100%;display:block;touch-action:none}.board-vignette{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,#020b1640,transparent 12%,transparent 88%,#020b1640);z-index:1}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:20px;z-index:3;background:linear-gradient(0deg,#060f1ce6,#09101d70 85%)}.overlay[hidden]{display:none}.overlay-card{text-align:center;max-width:430px}.eyebrow{display:inline-block;font:12px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:2.2px;color:var(--cyan);margin-bottom:16px}h1{font:900 clamp(48px,6.2vw,86px)/.93 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:-5px;margin:0;color:#f6f9ff}h1 span{color:var(--lime)}.overlay-card p{font-size:16px;line-height:1.7;color:#c3cfdf;margin:20px 0 24px}.primary-button{display:flex;align-items:center;justify-content:space-between;gap:32px;width:min(265px,100%);margin:auto;background:var(--lime);color:#0c161a;border:1px solid var(--lime);border-radius:7px;padding:17px 24px;font-size:16px;font-weight:750;box-shadow:0 5px 0 #809b40}.primary-button:hover{background:#e0ff96}.primary-button:active{transform:translateY(2px);box-shadow:0 3px 0 #809b40}.play-glyph{font-size:14px}.overlay-card .overlay-hint{font-size:13px;color:#8c9db5;margin:20px 0 0;line-height:1.6}.overlay.compact h1{font-size:clamp(35px,4.6vw,56px);letter-spacing:-2.5px;line-height:1.05}.overlay.compact 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i:nth-child(1){top:0;left:0;border-width:1px 0 0 1px}.board-corners i:nth-child(2){top:0;right:0;border-width:1px 1px 0 0}.board-corners i:nth-child(3){bottom:0;left:0;border-width:0 0 1px 1px}.board-corners i:nth-child(4){bottom:0;right:0;border-width:0 1px 1px 0}.bottom-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 18px;background:#101827;border-top:1px solid #29364b}.launch-hint{font-size:13px;color:#a4b4ca;line-height:1.5}.board-coordinate{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:#63748d;white-space:nowrap;letter-spacing:.5px}.side-panel{display:flex;flex-direction:column;gap:16px;padding-top:4px}.score-card{padding:19px 20px;border:1px solid #3e4c66;border-radius:10px;background:linear-gradient(125deg,#1c273d,#111a2a);position:relative;overflow:hidden}.score-card:before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;background:var(--lime)}.score-card>strong{display:block;font:700 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span{display:none}.board-wrap{aspect-ratio:800/730}.overlay{padding:16px}.eyebrow{font-size:12px;letter-spacing:1.6px;margin-bottom:13px}h1{font-size:clamp(46px,13vw,72px);letter-spacing:-4px}.overlay-card p{font-size:14px;margin:15px 0 19px}.primary-button{padding:14px 20px;font-size:15px;width:235px;gap:26px}.overlay-card .overlay-hint{font-size:12px;margin-top:17px}.bottom-bar{padding:10px 13px;min-height:38px}.launch-hint{font-size:12px}.side-panel{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0}.score-card{grid-column:1;padding:13px 16px;min-height:115px}.score-card>strong{font-size:32px;margin:6px 0 9px}.best-row{font-size:12px}.best-row span:last-child{font-size:12px}.telemetry{grid-column:2;padding:14px 12px 12px;border:1px solid #253146;border-radius:9px;gap:15px;background:#101827}.stat-block{gap:12px}.lives{gap:5px}.lives i{width:15px;height:15px}.stat-block strong{font-size:24px}.stat-block strong 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10px}.motion-button{font-size:12px}.local-note{grid-column:span 2;font-size:12px}.site-footer{margin-top:18px;font-size:12px;letter-spacing:.6px}.combo-toast{right:16px;bottom:52px;font-size:23px}.combo-toast small{font-size:12px}.power-toast{font-size:13px;padding:7px 11px}.overlay.compact h1{font-size:35px;letter-spacing:-2px}}@media(max-width:360px){.shell{padding:12px 9px}.run-status{font-size:12px}.sector .small-label{display:none}.telemetry{padding:12px 8px;gap:10px}.item-row{padding:9px 7px}.duration{right:7px;font-size:12px}.footer-controls{gap:5px}.secondary-button{padding:9px 8px}.motion-button{font-size:12px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}body.low-motion *{transition:none!important}

/* Keep compact labels readable on smaller screens. */
@media(max-width:760px){.overlay-card p{font-size:16px}.overlay-card .overlay-hint{font-size:12px}.item-row div>span{font-size:14px}.guide summary{font-size:14px}.guide>div{font-size:14px}.footer-controls{grid-column:span 2;justify-content:space-between;flex-wrap:wrap}.secondary-button,.motion-button{font-size:14px}.local-note{font-size:12px}.powerups h2 span{font-size:12px}.board-wrap{aspect-ratio:800/640}.item-row{min-height:108px}}