:root{--bg:#070b12;--panel:#0b111a;--ink:#e8f0f7;--muted:#748394;--line:#243241;--cyan:#64e6e0;--pink:#ff668f}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font:12px ui-monospace,monospace}body{display:flex;justify-content:center}.page{width:min(720px,100%);padding:22px 16px max(22px,env(safe-area-inset-bottom))}header{height:44px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin-bottom:14px}header h1{font-size:22px;letter-spacing:.18em;margin:0}header a,header button{color:var(--muted);background:none;border:0;text-decoration:none;font:10px inherit;letter-spacing:.1em;padding:12px 0;cursor:pointer;min-height:44px}header button{text-align:right}.scorebar{display:grid;grid-template-columns:1fr 1.5fr 1fr;margin:0 auto 10px;max-width:650px;border:1px solid var(--line);background:var(--panel)}.scorebar div{padding:8px 12px;display:flex;align-items:center;justify-content:center;gap:10px}.scorebar div:first-child{justify-content:flex-start}.scorebar div:last-child{justify-content:flex-end}.scorebar span{color:var(--muted);font-size:9px;letter-spacing:.12em}.scorebar b{font-size:20px;color:var(--cyan)}.scorebar .round{flex-direction:column;gap:2px}.scorebar .round b{font-size:10px;color:var(--ink);letter-spacing:.12em}.frame{position:relative;max-width:650px;margin:auto;padding:5px;background:var(--line);box-shadow:5px 5px #111820}.frame canvas{display:block;width:100%;height:auto;background:#091018;touch-action:none;user-select:none;-webkit-user-select:none}.overlay{position:absolute;inset:5px;background:#070b12e8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center}.overlay.hide{display:none}.overlay b{font-size:30px;letter-spacing:.15em}.overlay span{max-width:85%;color:var(--muted);font-size:9px;letter-spacing:.1em;line-height:1.7}.overlay button,.actions button,.mobile-controls button{border:0;background:var(--cyan);color:#071014;padding:12px 18px;font:700 10px inherit;letter-spacing:.12em;cursor:pointer;box-shadow:3px 3px #2a8d8a;min-height:44px}.actions{max-width:650px;margin:15px auto 0;display:flex;justify-content:space-between;align-items:center}.actions button{background:#71685f;color:#fff;box-shadow:3px 3px #454039}.actions span{color:var(--muted);font-size:9px;letter-spacing:.1em}.actions b{color:var(--cyan)}.mobile-controls{display:none;grid-template-columns:1fr 1fr;gap:12px;max-width:650px;margin:14px auto 0}.mobile-controls button{touch-action:none;font-size:12px;padding:14px}footer{text-align:center;color:var(--muted);font-size:9px;letter-spacing:.09em;margin-top:20px;line-height:1.6}@media(max-width:600px){.page{padding:10px 10px max(16px,env(safe-area-inset-bottom))}header{margin-bottom:8px}.scorebar{margin-bottom:8px}.frame{box-shadow:3px 3px #111820}.mobile-controls{display:grid}.actions{margin-top:12px}footer{margin-top:14px}.overlay b{font-size:24px}}@media(max-height:560px) and (orientation:landscape){.page{width:min(94vw,720px);padding:5px}.scorebar{display:none}header{height:34px;margin:0 0 4px}header a,header button{min-height:34px;padding:7px 0}.frame{max-width:min(650px,78vh * 1.6)}.mobile-controls,footer{display:none}.actions{position:fixed;right:8px;bottom:8px;flex-direction:column;gap:9px}.actions span{display:none}}