@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--bg:#080b12;--panel:#101621;--line:#253044;--text:#f4f7fb;--muted:#8a96a9;--cyan:#57e6ff;--lime:#c9ff57;--coral:#ff647c;--violet:#a98bff;font-family:'Space Grotesk',sans-serif;background:var(--bg);color:var(--text);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;min-height:100dvh;background:radial-gradient(ellipse at 50% 0,#102c3d 0,transparent 45%),var(--bg);overflow-x:hidden}button,input{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.topbar{height:70px;padding:0 clamp(16px,4vw,54px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #1b2635;background:#080b12cc;position:relative;z-index:20}.brand{display:flex;align-items:center;gap:11px;background:none;border:0;padding:0;font-size:13px;font-weight:700;letter-spacing:1.8px}.brand-mark{display:grid;place-items:center;background:var(--cyan);color:#071018;border-radius:10px;width:32px;height:32px;font-size:19px;font-weight:700;transform:rotate(-7deg);box-shadow:0 0 22px #57e6ff30}.header-actions{display:flex;align-items:center;gap:20px}#sound-toggle{background:none;border:1px solid var(--line);border-radius:6px;color:var(--muted);padding:7px 9px;font:9px 'DM Mono',monospace;letter-spacing:1px}.connection{display:flex;align-items:center;gap:8px;color:var(--muted);font:9px 'DM Mono',monospace;letter-spacing:1px}.connection i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px #c9ff5780}main{width:min(1180px,100%);margin:auto;padding:32px 24px;min-height:calc(100dvh - 70px);display:flex;flex-direction:column;justify-content:center}.eyebrow{color:var(--cyan);font:10px 'DM Mono',monospace;letter-spacing:2px;text-transform:uppercase}.hero{text-align:center;max-width:850px;margin:auto}.hero-art{height:145px;position:relative;margin-bottom:20px}.demo-arena{position:absolute;width:140px;height:140px;border:1px solid #57e6ff35;border-radius:50%;left:calc(50% - 70px);box-shadow:inset 0 0 35px #57e6ff0c}.demo-bumper{position:absolute;width:34px;height:34px;border-radius:50%;top:55px;box-shadow:0 0 20px currentColor}.demo-bumper.a{background:var(--cyan);color:#57e6ff70;left:calc(50% - 58px);animation:bump-a 2s ease-in-out infinite}.demo-bumper.b{background:var(--coral);color:#ff647c70;left:calc(50% + 24px);animation:bump-b 2s ease-in-out infinite}.hero h1{font-size:clamp(62px,10vw,118px);line-height:.8;letter-spacing:-.075em;margin:12px 0 24px}.hero h1 span{color:var(--cyan);text-shadow:0 0 45px #57e6ff30}.hero .sub{max-width:510px;margin:0 auto 25px;color:var(--muted);line-height:1.6;font-size:16px}.feature-row{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:28px}.feature-row span{border:1px solid var(--line);background:#0d141f;border-radius:20px;padding:7px 12px;font:9px 'DM Mono',monospace;color:#a9b5c7;letter-spacing:.7px}.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:570px;margin:auto}.card{background:linear-gradient(145deg,#111a27,#0d131e);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:left}.card h2{font-size:17px;margin:0 0 6px}.card p{font-size:12px;color:var(--muted);margin:0 0 18px}.form-label{display:block;color:var(--muted);font:9px 'DM Mono',monospace;letter-spacing:1px;margin:8px 0}.text-input{width:100%;background:#080d15;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:13px;margin-bottom:12px;outline:none}.text-input:focus{border-color:var(--cyan)}.code-input{text-transform:uppercase;font-family:'DM Mono',monospace;letter-spacing:7px}.primary,.secondary{border-radius:8px;padding:13px 18px;font-weight:700;border:0;transition:transform .15s,filter .15s}.primary{background:var(--cyan);color:#061019;width:100%;box-shadow:0 6px 24px #57e6ff16}.primary:hover{filter:brightness(1.1);transform:translateY(-1px)}.primary:disabled{opacity:.35;cursor:not-allowed;transform:none}.secondary{background:#121b28;border:1px solid var(--line);font-size:12px}.secondary:hover{border-color:var(--muted)}.room-head{text-align:center;margin-bottom:24px}.room-head h1{font-size:clamp(28px,5vw,46px);letter-spacing:-1.5px;margin:8px 0 14px}.code-button{background:#101c26;border:1px dashed #3c7182;color:var(--cyan);font:500 26px 'DM Mono',monospace;letter-spacing:8px;padding:10px 20px;border-radius:8px}.share-row{display:flex;gap:8px;justify-content:center;margin-top:14px}.room-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:24px}.panel-title{font:10px 'DM Mono',monospace;color:var(--muted);letter-spacing:1.3px;margin:0 0 18px;display:flex;justify-content:space-between}.players{display:grid;gap:8px}.player{display:flex;align-items:center;gap:11px;background:#0b111b;border:1px solid #202b3b;border-radius:8px;padding:11px}.player.offline{opacity:.45}.avatar{width:33px;height:33px;border-radius:50%;display:grid;place-items:center;background:#183044;color:var(--cyan);font-size:12px;font-weight:700}.player-name{flex:1;font-size:13px;font-weight:600}.player-meta{font:8px 'DM Mono',monospace;color:var(--muted)}.player-score{font:500 16px 'DM Mono',monospace;color:var(--lime)}.rules{display:grid;gap:16px;margin-bottom:22px}.rule{display:flex;gap:12px}.rule-num{color:var(--cyan);font:10px 'DM Mono',monospace;padding-top:3px}.rule p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.rule strong{color:var(--text);font-weight:500}.hint{color:var(--muted);font-size:12px;line-height:1.5;text-align:center}.game{width:100%;margin:auto}.game-hud{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin-bottom:12px;gap:12px}.hud-block:last-child{text-align:right}.hud-label{display:block;color:var(--muted);font:8px 'DM Mono',monospace;letter-spacing:1px;margin-bottom:3px}.hud-value{font:500 20px 'DM Mono',monospace}.hud-value.cyan{color:var(--cyan)}.round-progress{height:3px;background:#1b2635;margin-bottom:12px}.round-progress i{height:100%;display:block;background:var(--cyan);width:100%}.arena-shell{position:relative;width:min(100%,calc((100dvh - 220px)*1000/650));margin-inline:auto;border:1px solid #26384b;border-radius:16px;overflow:hidden;background:#090e17;box-shadow:0 25px 80px #0006}canvas{display:block;width:100%;aspect-ratio:1000/650;touch-action:none}.arena-status{position:absolute;left:50%;top:15px;transform:translateX(-50%);background:#08101bdd;border:1px solid #2a3b4e;border-radius:20px;padding:8px 15px;color:var(--muted);font:10px 'DM Mono',monospace;letter-spacing:1px;white-space:nowrap;pointer-events:none}.arena-status.danger{color:var(--coral);border-color:#ff647c70}.event-feed{position:absolute;left:50%;top:58px;transform:translateX(-50%);font-weight:700;font-size:18px;text-shadow:0 2px 8px #000;pointer-events:none;white-space:nowrap}.countdown{position:absolute;inset:0;display:grid;place-content:center;text-align:center;background:#070b12a8;backdrop-filter:blur(3px);z-index:3}.countdown strong{font:700 82px 'DM Mono',monospace;color:var(--cyan);line-height:1}.countdown span{font:11px 'DM Mono',monospace;letter-spacing:2px;margin-top:12px}.game-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:12px}.dash-status{flex:1}.dash-status strong{font:600 14px 'DM Mono',monospace;color:var(--lime)}.cooldown-track{height:5px;background:#202b39;border-radius:5px;margin-top:7px;overflow:hidden}.cooldown-track i{display:block;height:100%;background:var(--lime);width:100%}.leaderboard{display:flex;gap:7px}.leader-chip{background:#101722;border:1px solid #253044;border-radius:7px;padding:7px 10px;font:9px 'DM Mono',monospace;color:var(--muted)}.leader-chip.self{border-color:#57e6ff70;color:var(--cyan)}.leader-chip b{color:var(--text);margin-left:6px}.touch-controls{display:none;position:absolute;inset:0;pointer-events:none;z-index:5}.joystick{position:absolute;left:22px;bottom:22px;width:112px;height:112px;border:1px solid #9bc5d340;background:#0d172888;border-radius:50%;pointer-events:auto;touch-action:none}.joystick-knob{position:absolute;left:34px;top:34px;width:44px;height:44px;border-radius:50%;background:#b5d7e955;border:1px solid #d2f3ff90;box-shadow:0 0 20px #57e6ff20}.dash-button{position:absolute;right:24px;bottom:28px;width:92px;height:92px;border-radius:50%;border:2px solid #c9ff5790;background:#c9ff5725;color:var(--lime);font:700 15px 'DM Mono',monospace;pointer-events:auto;touch-action:none;box-shadow:0 0 25px #c9ff5715}.dash-button:active{transform:scale(.94);background:#c9ff5745}.dash-button.cooling{border-color:#607083;color:#8996a8;background:#18233199}.results{text-align:center;max-width:720px;margin:auto;width:100%}.results h1{font-size:clamp(44px,7vw,76px);line-height:.9;letter-spacing:-3px;margin:12px 0 18px}.results h1 span{color:var(--cyan)}.winner{color:var(--lime);margin-bottom:22px}.podium{display:grid;gap:9px;margin:22px 0}.rank{display:flex;align-items:center;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:15px 18px}.rank:first-child{border-color:#57e6ff80;background:#0d2029}.rank-num{font:14px 'DM Mono',monospace;color:var(--muted)}.rank-score{font:500 19px 'DM Mono',monospace;color:var(--lime)}.results-actions{max-width:360px;margin:20px auto 0;display:grid;gap:8px}.results-actions .secondary{width:100%}#toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,20px);background:var(--text);color:#081018;padding:12px 20px;border-radius:8px;font-size:12px;font-weight:700;opacity:0;transition:.2s;pointer-events:none;z-index:50;max-width:90%;text-align:center}#toast.show{opacity:1;transform:translate(-50%,0)}@keyframes bump-a{50%{transform:translateX(42px)}}@keyframes bump-b{50%{transform:translateX(-42px)}}
@media(max-width:760px){.topbar{height:58px}.brand{font-size:11px}.header-actions{gap:10px}.connection{font-size:7px}#sound-toggle{font-size:7px;padding:6px}main{padding:20px 14px;min-height:calc(100dvh - 58px)}.hero-art{height:105px}.demo-arena{width:100px;height:100px;left:calc(50% - 50px)}.demo-bumper{top:33px}.demo-bumper.a{left:calc(50% - 42px)}.demo-bumper.b{left:calc(50% + 8px)}.hero h1{font-size:64px}.hero .sub{font-size:14px}.entry-grid{grid-template-columns:1fr}.card{padding:17px}.feature-row{gap:6px;margin-bottom:20px}.feature-row span{font-size:7px;padding:6px 9px}.room-layout{grid-template-columns:1fr}.panel{padding:18px}.room-head{margin-bottom:15px}.game-hud{margin-bottom:8px}.hud-value{font-size:16px}.arena-shell{border-radius:12px}.game-bottom{margin-top:8px}.leaderboard{gap:4px}.leader-chip{padding:6px;font-size:7px}.dash-status strong{font-size:11px}.touch-controls{display:block}.arena-status{font-size:8px;top:8px;padding:6px 10px}.event-feed{top:38px;font-size:14px}.game{position:relative}.results h1{font-size:48px}.rank{padding:12px;gap:10px}.results-actions{margin-top:15px}}
@media(max-height:700px) and (max-width:760px){main{padding-top:8px}.topbar{height:50px}.game-hud{margin-bottom:5px}.round-progress{margin-bottom:5px}.arena-shell canvas{aspect-ratio:1000/610}.game-bottom{margin-top:5px}.joystick{width:92px;height:92px;left:15px;bottom:15px}.joystick-knob{left:28px;top:28px;width:36px;height:36px}.dash-button{width:78px;height:78px;right:18px;bottom:18px}}
@media(pointer:coarse){.touch-controls{display:block}}
.intro{max-width:650px;width:100%;margin:auto}.intro-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px}.text-button{border:0;background:none;color:var(--muted);font:9px 'DM Mono',monospace;letter-spacing:1px;padding:6px}.text-button:hover{color:var(--cyan)}.intro-card{background:linear-gradient(145deg,#111b29,#0c131e);border:1px solid #2a3b50;border-radius:18px;padding:28px;box-shadow:0 25px 80px #0005}.intro-step{color:var(--cyan);font:10px 'DM Mono',monospace;letter-spacing:1.5px}.intro-card h1{text-align:center;font-size:clamp(34px,6vw,54px);letter-spacing:-2px;margin:18px 0 12px}.intro-description{color:#a8b4c6;line-height:1.65;font-size:15px;text-align:center;max-width:490px;margin:0 auto 18px}.intro-tip{background:#0a121d;border-left:2px solid var(--lime);padding:12px 14px;color:var(--muted);font-size:12px;line-height:1.5;margin-bottom:24px}.intro-tip strong{color:var(--lime);font:9px 'DM Mono',monospace;letter-spacing:1px;margin-right:10px}.intro-nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:15px}.intro-nav .primary{width:100%}.intro-dots{display:flex;gap:6px}.intro-dots i{width:18px;height:3px;background:#344153}.intro-dots i.active{background:var(--cyan)}.intro-diagram{height:180px;position:relative;margin:20px auto;width:min(100%,430px);background:#09111c;border:1px solid #1e3044;border-radius:14px;overflow:hidden}.move-demo{display:flex;align-items:center;justify-content:center;gap:80px}.key-grid{display:grid;grid-template-columns:repeat(3,38px);gap:5px}.key-grid kbd{display:grid;place-items:center;height:38px;background:#16273a;border:1px solid #47708b;border-radius:6px;color:var(--cyan);font:500 15px 'DM Mono',monospace;box-shadow:0 3px 0 #07101c}.key-grid kbd:first-child{grid-column:2}.key-grid kbd:nth-child(2){grid-column:1}.intro-joystick{width:90px;height:90px;border:1px solid #6f92a670;border-radius:50%;display:grid;place-items:center}.intro-joystick i{width:38px;height:38px;border-radius:50%;background:#a7d8ec66;border:1px solid #c4edff;animation:stick-guide 2s ease-in-out infinite}.diagram-labels{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:100px;color:var(--muted);font:8px 'DM Mono',monospace;letter-spacing:1px}.dash-demo{display:flex;align-items:center;justify-content:center;gap:30px}.demo-player{display:block;width:48px;height:48px;border-radius:50%;box-shadow:0 0 25px currentColor}.demo-player.cyan{background:var(--cyan);color:#57e6ff70;animation:intro-dash 2s ease-in-out infinite}.demo-player.coral{background:var(--coral);color:#ff647c70}.demo-player.lime{background:var(--lime);color:#c9ff5770}.dash-lines{display:flex;gap:5px}.dash-lines i{width:15px;height:3px;background:#57e6ff80}.impact{position:absolute;top:25px;left:calc(50% + 35px);color:var(--lime);font:700 17px 'DM Mono',monospace;transform:rotate(10deg)}.zone-demo{display:grid;place-items:center}.demo-zone{width:135px;height:135px;border:2px solid var(--cyan);border-radius:50%;display:grid;place-items:center;box-shadow:0 0 25px #57e6ff20;animation:zone-shrink 3s ease-in-out infinite}.demo-zone .demo-player{width:30px;height:30px}.outside-player{position:absolute;right:45px;top:35px;width:30px;height:30px;border-radius:50%;background:var(--coral);box-shadow:0 0 20px #ff647c60}.warning-line{position:absolute;bottom:12px;color:var(--coral);font:9px 'DM Mono',monospace;letter-spacing:1px}@keyframes stick-guide{50%{transform:translateX(18px)}}@keyframes intro-dash{45%,65%{transform:translateX(55px)}}@keyframes zone-shrink{50%{transform:scale(.72)}}
@media(max-width:760px){.intro-card{padding:18px}.intro-top{margin-bottom:10px}.intro-top .eyebrow{font-size:8px}.intro-diagram{height:155px;margin:14px auto}.move-demo{gap:50px}.intro-description{font-size:13px}.intro-card h1{font-size:34px;margin:13px 0 10px}.intro-tip{margin-bottom:16px}.intro-nav{gap:8px}.intro-nav .secondary{padding:11px 8px;font-size:10px}.intro-nav .primary{padding:12px 8px;font-size:12px}.outside-player{right:25px}.intro>.hint{margin-top:14px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.demo-bumper{transform:none}}