:root{--bg: #05060f;--surface: #0d1020;--border: #1a2040;--cyan: #22e6ff;--magenta: #ff2bd6;--green: #39ff8b;--yellow: #ffe94d;--red: #ff3860;--text: #c8d0e8;--text-dim: #5a6280;--font: "Courier New", Courier, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5}#app{display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:16px;gap:16px}header{width:100%;max-width:900px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:12px}header h1{font-size:22px;letter-spacing:3px;color:var(--cyan);text-shadow:0 0 12px var(--cyan);text-transform:uppercase}header .tagline{color:var(--text-dim);font-size:11px;letter-spacing:1px}.arena-layout{display:grid;grid-template-columns:1fr 260px;gap:20px;width:100%;max-width:900px}@media (max-width: 720px){.arena-layout{grid-template-columns:1fr}}.game-panel{display:flex;flex-direction:column;gap:12px}.game-tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--border);padding-bottom:10px}.game-tabs button{font-size:11px;padding:5px 11px}.hud{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.hud-stat{display:flex;flex-direction:column;gap:2px}.hud-label{font-size:9px;color:var(--text-dim);letter-spacing:2px;text-transform:uppercase}.hud-value{font-size:22px;font-weight:700;color:var(--cyan);text-shadow:0 0 8px var(--cyan)}canvas{border:1px solid var(--border);display:block;image-rendering:pixelated;background:var(--bg);box-shadow:0 0 20px #22e6ff14;max-width:100%;height:auto}.canvas-wrap{width:fit-content;margin:0 auto;max-width:100%;touch-action:none;-webkit-user-select:none;user-select:none}.controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}button{background:transparent;border:1px solid var(--border);color:var(--text);font-family:var(--font);font-size:12px;padding:6px 14px;cursor:pointer;letter-spacing:1px;text-transform:uppercase;transition:border-color .15s,color .15s,box-shadow .15s}button:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 8px #22e6ff40}button.active{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 12px #22e6ff4d}button.primary{border-color:var(--magenta);color:var(--magenta)}button.primary:hover,button.primary.active{box-shadow:0 0 12px #ff2bd659}select,input[type=range]{background:var(--surface);border:1px solid var(--border);color:var(--text);font-family:var(--font);font-size:12px;padding:5px 8px}.agent-panel{display:flex;flex-direction:column;gap:8px}.agent-panel textarea{background:var(--surface);border:1px solid var(--border);color:var(--text);font-family:var(--font);font-size:11px;padding:10px;resize:vertical;min-height:160px;line-height:1.6;-moz-tab-size:2;tab-size:2;width:100%}.agent-panel 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4px;border-bottom:1px solid var(--border);font-size:11px}.lb-row.you{background:#22e6ff0d}.lb-rank{color:var(--text-dim);text-align:right}.lb-handle{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-score{color:var(--cyan);font-weight:700}.badge{font-size:8px;padding:2px 5px;border-radius:2px;letter-spacing:1px;text-transform:uppercase;font-weight:700}.badge-human{background:#ffe54d2e;color:var(--yellow)}.badge-ai-js{background:#39ff8b26;color:var(--green)}.badge-ai-bot{background:#ff2bd626;color:var(--magenta)}.daily-banner{border:1px solid var(--border);padding:12px;display:flex;flex-direction:column;gap:6px}.daily-banner .date{font-size:9px;letter-spacing:2px;color:var(--text-dim)}.daily-banner .title{color:var(--yellow);font-size:13px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#05060fe0;display:flex;align-items:center;justify-content:center;z-index:100}.dialog{background:var(--surface);border:1px solid 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.tagline{font-size:10px}.arena-layout{grid-template-columns:1fr;gap:14px;min-width:0}.game-panel,.side-panel{min-width:0}canvas{width:auto;height:auto;max-width:100%;max-height:56vh}.game-tabs{min-width:0;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.game-tabs::-webkit-scrollbar{display:none}.controls{justify-content:center}}@media (pointer: coarse){button{padding:10px 16px;font-size:13px}.game-tabs button{padding:9px 13px}.lb-filters button{padding:8px 12px}}.brand{display:flex;align-items:center;text-decoration:none}.logo-svg{height:44px;width:auto;display:block}.header-actions{display:flex;gap:8px;align-items:center}.ghost-btn{font-size:11px;padding:7px 12px;border:1px solid var(--border);color:var(--text-dim);border-radius:6px}.ghost-btn:hover{color:var(--cyan);border-color:var(--cyan)}.ghost-btn.accent{color:var(--magenta);border-color:#ff2bd666}.ghost-btn.accent:hover{box-shadow:0 0 12px #ff2bd659}.hero{position:relative;width:100%;max-width:900px;border:1px solid var(--border);border-radius:12px;padding:34px 28px;overflow:hidden;background:radial-gradient(120% 140% at 12% -10%,rgba(255,43,214,.16),transparent 55%),radial-gradient(120% 140% at 100% 120%,rgba(34,230,255,.14),transparent 55%),linear-gradient(180deg,#0a0c1a,#070812)}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(34,230,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(34,230,255,.05) 1px,transparent 1px);background-size:32px 32px}.hero-inner{position:relative;max-width:660px}.hero-title{font-size:30px;line-height:1.15;letter-spacing:1px;color:var(--text);text-transform:uppercase;margin-bottom:12px}.hero-title .hero-ai{color:var(--magenta);text-shadow:0 0 16px rgba(255,43,214,.6)}.hero-sub{font-size:14px;line-height:1.7;color:var(--text-dim);max-width:620px}.hero-sub strong{color:var(--cyan)}.hero-cta{display:flex;gap:12px;margin:20px 0 16px;flex-wrap:wrap}.cta-btn{font-size:14px;padding:12px 22px;border-radius:8px;border:1px solid var(--border);color:var(--text);letter-spacing:1px}.cta-btn:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 14px #22e6ff40}.cta-btn.primary{border-color:var(--magenta);color:#fff;background:linear-gradient(90deg,#ff2bd6e6,#ff2bd68c);text-shadow:0 0 8px rgba(0,0,0,.4)}.cta-btn.primary:hover{box-shadow:0 0 22px #ff2bd680}.hero-games{display:flex;gap:8px;flex-wrap:wrap}.hero-chip{font-size:11px;padding:6px 12px;border-radius:999px;border:1px solid var(--border);color:var(--text-dim);background:#ffffff05}.hero-chip:hover{color:var(--cyan);border-color:var(--cyan)}.hero-dismiss{position:absolute;top:12px;right:14px;z-index:1;border:none;color:var(--text-dim);font-size:16px;padding:2px 6px}.hero-dismiss:hover{color:var(--magenta)}.challenge-banner{width:100%;max-width:900px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid rgba(255,233,77,.4);background:#ffe94d0f;border-radius:6px;padding:12px 14px}.challenge-text{font-size:14px;color:var(--text)}.challenge-text strong{color:var(--yellow)}.share-card{border:1px solid var(--border);border-radius:8px;padding:12px;background:var(--surface);display:flex;flex-direction:column;gap:10px}.share-head{font-size:13px;color:var(--green)}.share-rank{color:var(--yellow);font-weight:700}.share-actions{display:flex;gap:8px;flex-wrap:wrap}.share-btn{font-size:12px;padding:9px 14px;border:1px solid var(--border);border-radius:6px;color:var(--text);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;white-space:nowrap}.share-btn:hover{border-color:var(--cyan);color:var(--cyan)}.share-btn.primary{border-color:var(--magenta);color:var(--magenta);background:#ff2bd614}.share-btn.primary:hover{box-shadow:0 0 12px #ff2bd659}.share-url{font-size:11px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-top:1px solid var(--border);padding-top:8px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:10px;width:100%;max-width:640px;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 0 40px #22e6ff1f}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}.modal-head h2{font-size:16px;letter-spacing:2px;color:var(--cyan);text-shadow:0 0 12px var(--cyan)}.modal-close{border:1px solid var(--border);color:var(--text-dim);padding:4px 10px;border-radius:6px}.modal-close:hover{color:var(--magenta);border-color:var(--magenta)}.modal-body{padding:18px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.modal-body h3{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--text-dim);margin-top:4px}.modal-body p{font-size:13px;line-height:1.6}.modal-body code{color:var(--cyan);font-size:12px}.modal-lead{color:var(--text)}.modal-lead em{color:var(--magenta);font-style:normal}.modal-sm{max-width:420px}#name-input{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font);font-size:16px;letter-spacing:1px;padding:12px 14px}#name-input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 2px #22e6ff40}.name-hint{font-size:11px;margin-top:-6px}.name-error{color:var(--magenta);font-size:12px;min-height:16px}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.dim{color:var(--text-dim);font-size:12px}.agent-callout{border:1px solid rgba(255,43,214,.4);background:linear-gradient(90deg,#ff2bd614,#22e6ff0a);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px}.agent-callout-head{font-size:13px;color:var(--magenta)}.bot-tiers{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.bot-tier{border:1px solid var(--border);border-radius:6px;padding:10px}.bot-tier p{font-size:11px;line-height:1.5;color:var(--text-dim);margin-top:6px}.bot-tier-tag{display:inline-block}.bot-step{border-left:2px solid var(--border);padding-left:12px;display:flex;flex-direction:column;gap:6px}.bot-step-head{font-size:13px;color:var(--text);display:flex;align-items:center;gap:8px}.bot-step-n{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:#22e6ff1f;color:var(--cyan);font-size:11px;font-weight:700}.code-row{display:flex;gap:8px;align-items:stretch}.code{flex:1;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:10px;font-size:11px;line-height:1.6;color:var(--text);overflow-x:auto;white-space:pre;margin:0}.copy-btn{border:1px solid var(--border);color:var(--cyan);font-size:11px;padding:0 10px;border-radius:6px;white-space:nowrap}.copy-btn:hover{border-color:var(--cyan);box-shadow:0 0 8px #22e6ff40}.bot-games{display:flex;flex-direction:column;gap:4px}.bot-game-row{font-size:11px;color:var(--text)}.bot-game-row strong{color:var(--cyan)}.bot-starters{font-size:12px;line-height:1.8;padding-left:18px;color:var(--text)}@media (max-width: 680px){header{flex-wrap:wrap;gap:8px}.header-actions{width:100%}.ghost-btn{flex:1;justify-content:center;text-align:center}.hero,.challenge-banner{max-width:100%}.bot-tiers{grid-template-columns:1fr}.dialog-backdrop{padding:10px}.modal{max-height:92vh}}.site-footer{width:100%;max-width:900px;margin-top:auto;padding:28px 16px 12px;border-top:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}.footer-brand{display:flex;align-items:center;gap:8px;font-size:16px;letter-spacing:2px;text-transform:uppercase;color:var(--text)}.footer-brand svg{height:26px;width:auto}.footer-brand b{color:var(--cyan);font-weight:700}.footer-brand span{color:var(--magenta)}.footer-tag{color:var(--text-dim);font-size:12px;line-height:1.5;max-width:460px}.footer-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;font-size:12px}.footer-links a{color:var(--text);text-decoration:none;letter-spacing:.5px;transition:color .15s,text-shadow .15s}.footer-links a:hover{color:var(--cyan);text-shadow:0 0 10px var(--cyan)}.footer-dot{color:var(--text-dim)}.footer-fine{color:var(--text-dim);font-size:10.5px;letter-spacing:1px}