:root{color-scheme:dark;--bg:#080910;--panel:#10121e;--text:#eef0fa;--muted:#9197ad;--cyan:#66f6e1;--purple:#a78bfa;--red:#ff355e}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 15%,#17172b 0,transparent 65%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100svh}.shell{max-width:1100px;margin:auto;padding:34px 36px 20px}.masthead{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}.brand{display:flex;align-items:center;gap:7px;font-size:15px;letter-spacing:1px;font-weight:850;text-decoration:none;color:var(--text)}.brand>span:not(.brand-mark){color:var(--red)}.brand sup{color:var(--muted);font:10px monospace;align-self:flex-start;margin-left:4px}.brand-mark{width:16px;height:16px;background:var(--cyan);box-shadow:0 0 17px #66f6e140;transform:rotate(-12deg);margin-right:9px;border-radius:2px}.edition,.label,.eyebrow,.arena-tag,.game-footer,.bottom-note{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;letter-spacing:1.6px}.edition{color:var(--muted)}.game{border:1px solid #2b2d42;border-radius:14px;overflow:hidden;background:#0d0f19;box-shadow:0 24px 100px #0005}.toolbar{display:flex;gap:42px;align-items:center;padding:19px 25px;background:linear-gradient(110deg,#171a29,#10121c);border-bottom:1px solid #292b40}.stat{display:flex;flex-direction:column;gap:3px}.label{color:var(--muted);display:block;font-size:9px;letter-spacing:1.5px}.stat strong{font:700 30px/1.1 ui-monospace,SFMono-Regular,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:1px}.best-stat strong{color:var(--purple);font-size:24px;margin-top:5px}.gravity{margin-left:auto;display:grid;gap:7px}.gravity>span:last-child{color:var(--cyan);font:12px ui-monospace,monospace;letter-spacing:1px}.tools{display:flex;gap:8px}.icon-button{border:1px solid #34364c;background:#1a1d2c;color:var(--text);border-radius:7px;min-width:40px;height:38px;padding:0 10px;font:16px ui-monospace,monospace;cursor:pointer}.icon-button span{font-size:10px;color:var(--muted)}button{font-family:inherit;transition:background .15s,transform .15s,box-shadow .15s}button:hover:not(:disabled){background:#292c40;transform:translateY(-1px)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid var(--purple);outline-offset:4px}.arena{position:relative;aspect-ratio:16/9;isolation:isolate;overflow:hidden;background:#080b14}canvas{display:block;width:100%;height:100%;touch-action:none;outline-offset:-5px!important}.arena-tag{position:absolute;top:18px;left:23px;display:flex;align-items:center;gap:8px;color:#858ca4;font-size:8px;pointer-events:none}.live-dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 9px var(--cyan)}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(90deg,#080b14c9,#080b1480,#080b14b0);backdrop-filter:blur(3px);padding:28px 18px;overflow:auto}.overlay[hidden]{display:none}.overlay-card{text-align:center;animation:enter .25s ease-out;width:100%;max-width:470px}.eyebrow{color:var(--cyan);font-size:9px;margin:0 0 19px}h1,h2{font-size:clamp(32px,5.2vw,62px);line-height:1.02;letter-spacing:-2.6px;font-weight:900;margin:0 0 17px}h1 span,h2 span{color:var(--red);text-shadow:0 0 36px #ff355e38}h2 .purple{color:var(--purple)}.description{font-size:13px;line-height:1.65;color:#a7adc2;margin:0 0 23px}.primary{width:245px;max-width:100%;border:1px solid #9affed;border-radius:7px;padding:16px 22px;background:var(--cyan);box-shadow:0 0 30px #66f6e11a;color:#071912;font-weight:850;font-size:12px;letter-spacing:1.3px;cursor:pointer;display:inline-flex;justify-content:space-between;align-items:center}.primary:hover:not(:disabled){background:#a2ffef;box-shadow:0 0 35px #66f6e133}.primary span{font-size:20px;line-height:16px}.start-best{font:9px ui-monospace,monospace;letter-spacing:1.5px;color:var(--muted);margin:20px 0 0}.start-best strong{color:var(--purple);margin-left:9px}.results{display:flex;justify-content:center;gap:42px;margin:23px 0}.results strong{font:700 37px ui-monospace,monospace;display:block;margin-top:6px}.results>div:last-child strong{color:var(--purple)}.small{font-size:11px;margin:15px 0 0}.game-footer{display:flex;justify-content:space-between;align-items:center;padding:16px 23px;color:var(--muted);border-top:1px solid #292b40;font-size:8px;letter-spacing:1.1px}.game-footer b{color:#c3c8d9;font-weight:400;margin-left:8px}.cyan-dot{display:inline-block;background:var(--cyan);width:5px;height:5px;margin-right:6px}.instructions{display:flex;justify-content:space-between;margin-top:23px;align-items:center;font-size:11px;color:var(--muted)}kbd{display:inline-block;font:9px ui-monospace,monospace;letter-spacing:.4px;border:1px solid #34364a;border-bottom-width:2px;border-radius:4px;padding:5px 7px;color:#c1c5d6;background:#121420}.bottom-note{text-align:center;color:#666d86;font-size:8px;margin-top:33px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.noscript{text-align:center;color:var(--red)}@keyframes enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1400px){.shell{padding-top:50px}}@media(max-width:650px){.shell{padding:22px 14px 15px}.masthead{margin-bottom:21px}.brand{font-size:12px;gap:5px}.brand-mark{width:13px;height:13px;margin-right:5px}.edition{display:none}.toolbar{padding:14px;gap:18px}.stat strong{font-size:26px}.best-stat strong{font-size:21px}.label{font-size:8px;letter-spacing:.7px}.gravity{gap:8px}.gravity>span:last-child{font-size:10px}.tools{gap:5px}.icon-button{min-width:31px;height:34px;padding:0 7px}.icon-button span{font-size:8px}.arena{aspect-ratio:4/5;max-height:67svh;min-height:325px}.arena-tag{left:15px;top:15px;font-size:7px}h1,h2{font-size:44px;letter-spacing:-2px}.overlay{padding:35px 14px 20px}.description{font-size:12px}.eyebrow{margin-bottom:16px}.game-footer{padding:13px 12px;font-size:7px;letter-spacing:.3px}.game-footer b{margin-left:3px}.instructions{justify-content:center;font-size:10px;gap:10px;flex-wrap:wrap;margin-top:19px}.pause-hint{display:none}.bottom-note{font-size:7px;margin-top:23px}.primary{padding:15px 20px}.results{margin:20px 0;gap:30px}}@media(max-width:370px){.toolbar{gap:11px;padding:12px 10px}.best-stat .label{max-width:55px}.gravity{margin-left:0}h1,h2{font-size:38px}.arena{min-height:340px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}