:root{color-scheme:dark;font-family:'Segoe UI',Arial,sans-serif;color:#eff7ff;background:#081222;--muted:#a7bacf;--cyan:#67e2ef;--blue:#276af3;--line:#29415a}*{box-sizing:border-box}html,body{height:100%;margin:0;overflow:hidden;overscroll-behavior:none}body{background:radial-gradient(ellipse at 70% 20%,#123049,transparent 65%),#081222}.shell{height:100vh;height:100dvh;max-width:1600px;margin:auto;padding:0 clamp(16px,3vw,48px);display:flex;flex-direction:column}header{height:70px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:15px}.brand{color:var(--cyan);display:flex;gap:14px;font:600 21px Consolas,monospace;text-decoration:none}.brand span{font:650 15px 'Segoe UI',sans-serif;letter-spacing:1.5px;color:#eff7ff}.brand small{color:var(--cyan);font-size:10px}.connection{font-size:10px;color:var(--cyan);letter-spacing:1px}main{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:18px 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.track{grid-column:1/-1;height:3px}.rank-row{display:flex;align-items:center;gap:10px;padding:16px 0;border-bottom:1px solid var(--line)}.place{font:17px Consolas,monospace;color:var(--muted)}.rank-row>div{flex:1;min-width:0}.rank-row>div strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.rank-row>div span{display:block;margin-top:4px}.rank-score{font-size:19px;color:var(--cyan)}.podium .place{color:var(--cyan)}.ranking-bottom{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.ranking-bottom strong{font-size:16px;line-height:1.5}.empty{min-height:300px;margin-top:30px}.activated{border-color:var(--cyan)}#celebration{position:absolute;bottom:5px;text-align:center;left:12px;right:12px;font-size:10px;color:var(--cyan);z-index:3}.pulse{animation:pulse .65s ease-out}#notice{position:fixed;bottom:60px;left:50%;transform:translateX(-50%);max-width:90%;width:max-content;padding:12px 20px;border:1px solid #aa774a;border-radius:10px;background:#33283b;color:#fff;font-size:13px;z-index:10}@keyframes pulse{50%{box-shadow:0 0 35px #67e2ef50}}
@media(max-width:1100px){.stand-grid{grid-template-columns:220px minmax(300px,1fr) 240px;gap:16px}.panel{padding:18px}.join-panel h1{font-size:30px}.network{height:250px}.rank-row{padding:14px 0}.active-row{grid-template-columns:1fr}.active-row .track{grid-column:auto}}
@media(max-width:740px){header{height:54px}.brand span{font-size:12px}.brand{font-size:18px;gap:10px}footer{padding:9px 0;font-size:9px}footer span:last-child{display:none}main{padding:12px 5px}.number-grid span{font-size:26px;padding:10px 4px}.big-number{font-size:90px}.intro{font-size:14px}.stand-grid{width:950px;max-width:none;grid-template-columns:220px 400px 280px;gap:16px}.stand main{overflow:hidden}.stand .view{transform:scale(var(--scale,1))}.choices .button{min-height:58px}.button{padding:12px 14px}h1{font-size:30px}}
@media(max-height:650px){header{height:48px}footer{padding:7px 0}main{padding:8px 5px}h1{font-size:29px;margin-bottom:12px}.intro{margin-bottom:14px}.eyebrow{margin-bottom:10px}.big-number{font-size:75px;margin:8px 0}.number-grid{padding:10px;gap:6px;margin:12px 0}.number-grid span{font-size:25px;padding:7px}.button{min-height:44px;padding:10px 16px}.actions{margin-top:12px}.binary-values{margin:12px 0}.choices .button{min-height:52px}.equation{margin:10px 0;font-size:20px}.small{font-size:11px}p{margin:10px 0}.feedback{min-height:30px;margin:10px 0}.stand-grid{gap:18px}.panel{padding:18px}.join-panel h1{font-size:29px}.join-panel img{max-width:160px;margin:14px auto}.network{height:190px}.network-core strong{font-size:52px}.stats{margin:12px 0}.stats strong{font-size:23px}.rank-row{padding:10px 0}.ranking-bottom{margin-top:14px;padding-top:12px}.active-list{min-height:145px}.empty{min-height:220px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
select{width:100%;background:#102339;color:var(--cyan);border:1px solid var(--line);border-radius:8px;font:11px Consolas,monospace;padding:8px;margin:5px 0 10px}