:root{--bg:#f6f4ef;--panel:#ffffff;--panel2:#f0ede6;--line:#e4dfd4;--txt:#1a1d24;--mut:#6b6f7a;--acc:#ff8c00;--acc-d:#e67700;--acc-soft:#fff1e0;--shadow:0 1px 2px rgba(26,29,36,.05),0 6px 20px -10px rgba(26,29,36,.15);--seg-line:#ffffff}
[data-theme=dark]{--bg:#0f1218;--panel:#171b23;--panel2:#1e232d;--line:#2a303c;--txt:#e9ebf0;--mut:#949aa8;--acc-soft:rgba(255,140,0,.12);--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.6);--seg-line:#171b23}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:light}[data-theme=dark]{color-scheme:dark}
body{background:var(--bg);color:var(--txt);font-family:Inter,system-ui,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;transition:background .2s,color .2s}
a{color:inherit;text-decoration:none}
.material-icons-outlined{font-size:1.3rem;vertical-align:middle}
.shell{display:flex;min-height:100vh}
/* sidebar */
.side{position:sticky;top:0;height:100vh;width:248px;flex:none;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:1.2rem .9rem;overflow-y:auto;z-index:40}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.3rem;letter-spacing:-.02em;padding:.2rem .5rem 1.3rem}
.brand b{color:var(--acc)}
.menu{display:flex;flex-direction:column;gap:2px}
.menu a{display:flex;align-items:center;gap:.75rem;padding:.62rem .75rem;border-radius:10px;color:var(--mut);font-weight:500;font-size:.95rem;transition:background .15s,color .15s}
.menu a:hover{background:var(--panel2);color:var(--txt)}
.menu a.on{background:var(--acc-soft);color:var(--acc-d);font-weight:600}
[data-theme=dark] .menu a.on{color:var(--acc)}
.menu a.on .material-icons-outlined{color:var(--acc)}
.menu small{margin-left:auto;font-size:.68rem;font-weight:600;color:var(--mut);background:var(--panel2);border-radius:99px;padding:.05rem .45rem}
.side-foot{margin-top:auto;padding:1rem .75rem 0;color:var(--mut);font-size:.8rem;border-top:1px solid var(--line)}
.scrim{display:none}
/* top bar */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:.75rem;padding:.8rem 1.75rem;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.iconbtn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--txt);cursor:pointer;flex:none;transition:.15s}
.iconbtn:hover{border-color:var(--acc);color:var(--acc)}
.iconbtn .material-icons-outlined{font-size:1.15rem}
.burger{display:none}
.online{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .8rem;border-radius:99px;background:var(--panel);border:1px solid var(--line);font-size:.85rem;color:var(--mut);white-space:nowrap}
.online i{width:8px;height:8px;border-radius:50%;background:var(--mut);opacity:.6}
.online b{color:var(--txt)}
.ip{display:flex;align-items:center;gap:.35rem;padding:.2rem .2rem .2rem .8rem;border-radius:12px;background:var(--panel);border:1px solid var(--line)}
.ip code{font:600 .88rem ui-monospace,Menlo,monospace}
.ip .iconbtn{width:32px;height:32px;border:0;background:var(--acc-soft);color:var(--acc-d)}
.search{margin-left:auto;display:flex;align-items:center;gap:.4rem;padding:0 .75rem;height:40px;border-radius:10px;background:var(--panel);border:1px solid var(--line);color:var(--mut);width:min(280px,30vw)}
.search input{border:0;background:none;font:inherit;font-size:.9rem;color:var(--txt);width:100%;outline:none}
/* content */
.content{padding:2.2rem 1.75rem 3rem;max-width:1180px;width:100%}
.hello{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:2rem;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hello:after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,var(--acc-soft),transparent 70%)}
.hello h1{font-size:clamp(1.7rem,4vw,2.4rem);letter-spacing:-.03em;line-height:1.15}
.hello h1 b{color:var(--acc)}
.hello p{color:var(--mut);margin-top:.4rem;max-width:56ch}
.btn{display:inline-flex;align-items:center;gap:.45rem;background:var(--acc);color:#1a1d24;font:inherit;font-weight:700;padding:.7rem 1.15rem;border-radius:11px;border:0;cursor:pointer;position:relative;z-index:1;transition:.15s;white-space:nowrap}
.btn:hover{background:var(--acc-d);color:#fff}
.sec{margin-top:2.3rem}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1rem}
.sec-h h2{font-size:1.25rem;letter-spacing:-.02em;display:flex;align-items:center;gap:.5rem}
.sec-h h2 .material-icons-outlined{color:var(--acc)}
.sec-h span{color:var(--mut);font-size:.88rem}
.qa{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.25rem;box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
a.card:hover{transform:translateY(-2px);border-color:var(--acc)}
.qa .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--acc-soft);color:var(--acc);margin-bottom:.9rem}
.qa h3{font-size:1rem}.qa p{color:var(--mut);font-size:.87rem;margin-top:.2rem}
.pill{display:inline-block;margin-top:.8rem;font-size:.72rem;font-weight:600;padding:.15rem .55rem;border-radius:99px;background:var(--panel2);color:var(--mut)}
.pill.go{background:var(--acc-soft);color:var(--acc-d)}[data-theme=dark] .pill.go{color:var(--acc)}
.two{display:grid;grid-template-columns:1.4fr 1fr;gap:1rem}
.empty{text-align:center;padding:2.4rem 1.25rem;border-style:dashed;box-shadow:none;background:transparent}
.empty .material-icons-outlined{font-size:2.2rem;color:var(--acc);opacity:.85}
.empty h3{margin:.5rem 0 .25rem;font-size:1.02rem}.empty p{color:var(--mut);font-size:.9rem}
.soon{display:flex;gap:1rem;align-items:center;background:var(--acc-soft);border:1px solid color-mix(in srgb,var(--acc) 35%,transparent);border-radius:16px;padding:1.2rem 1.4rem;scroll-margin-top:90px}
.soon .material-icons-outlined{font-size:2rem;color:var(--acc)}
.soon p{color:var(--mut);font-size:.92rem}
section[id]{scroll-margin-top:90px}
.foot{margin-top:auto;padding:1.4rem 1.75rem;color:var(--mut);font-size:.83rem;border-top:1px solid var(--line)}
.toast{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%,160%);background:var(--txt);color:var(--bg);font-weight:600;padding:.65rem 1.1rem;border-radius:10px;transition:.25s;z-index:99;opacity:0;visibility:hidden}
.toast.show{transform:translate(-50%,0);opacity:1;visibility:visible}
/* wheel */
.wheel-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:1.5rem;align-items:start;margin-top:1.5rem}
.stage-card{padding:2rem}
.stage{position:relative;max-width:540px;width:100%;margin:0 auto;aspect-ratio:1}
.stage canvas{width:100%;height:100%;display:block;border-radius:50%;box-shadow:0 0 0 8px var(--panel),0 0 0 9px var(--line),0 24px 60px -24px rgba(255,140,0,.55)}
.pointer{position:absolute;top:-12px;left:50%;transform:translateX(-50%);border-left:17px solid transparent;border-right:17px solid transparent;border-top:32px solid var(--txt);z-index:2;filter:drop-shadow(0 3px 4px rgba(0,0,0,.25))}
.hub{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:84px;height:84px;border-radius:50%;background:var(--panel);border:4px solid var(--acc);color:var(--acc-d);font:800 1rem Inter,sans-serif;cursor:pointer;z-index:2;box-shadow:var(--shadow)}
[data-theme=dark] .hub{color:var(--acc)}
.hub:disabled{opacity:.6;cursor:wait}
.result{margin-top:1.4rem;text-align:center;min-height:4.6rem}
.result .k{color:var(--mut);font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.result .w{font-size:2rem;font-weight:800;color:var(--acc);letter-spacing:-.02em}
.err{color:#d64545}
.names{list-style:none;max-height:420px;overflow:auto;margin-top:.6rem}
.names li{display:flex;align-items:center;gap:.6rem;padding:.5rem 0;border-bottom:1px solid var(--line);font-size:.95rem}
.names i{width:12px;height:12px;border-radius:3px;flex:none}
@media(max-width:1100px){.qa{grid-template-columns:repeat(2,1fr)}.two{grid-template-columns:1fr}.search{display:none}}
@media(max-width:860px){
 .side{position:fixed;left:0;top:0;transform:translateX(-105%);transition:transform .25s;box-shadow:var(--shadow)}
 .side.open{transform:none}
 .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);opacity:0;pointer-events:none;transition:.2s;z-index:35}
 .scrim.open{opacity:1;pointer-events:auto}
 .burger{display:inline-grid}
 .top{padding:.7rem 1rem;flex-wrap:wrap}
 .top #theme{margin-left:auto}
 .content{padding:1.4rem 1rem 2.5rem}
 .wheel-grid{grid-template-columns:1fr}.stage-card{padding:1.2rem}
}
@media(max-width:560px){
 .qa{grid-template-columns:1fr}
 .online{order:3}.ip{order:4;flex:1;justify-content:space-between}
 .hello{padding:1.4rem}.hello .btn{width:100%;justify-content:center}
}
.hub.off{background:var(--panel2);border-color:var(--line);color:var(--mut);cursor:not-allowed;box-shadow:none}
.none{color:var(--mut);font-weight:500}
.shake{animation:shake .45s}
@keyframes shake{20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}