:root{
  color-scheme:light dark;
  --bg:#f6f7f4;--card:#fff;--fg:#14211f;--mut:#566360;--bd:#dde2de;--ac:#0f766e;--acf:#fff;--acs:#d9f2ee;--dg:#b91c1c;
  --sh:0 1px 2px rgba(20,33,31,.06),0 8px 24px rgba(20,33,31,.06);--r:14px;
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0c1211;--card:#141c1b;--fg:#e8f0ee;--mut:#9bada9;--bd:#26322f;--ac:#2dd4bf;--acf:#042f2e;--acs:#12332f;--dg:#f87171;
  --sh:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);
}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--ac)}
h1,h2,h3{line-height:1.15;margin:0}
h2{font-size:1.15rem}h3{font-size:1rem}
p{margin:.5rem 0}
[hidden]{display:none!important}
.mut{color:var(--mut)}
.wrap{max-width:46rem;margin:0 auto;padding:1.25rem 16px 3rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.1rem;letter-spacing:-.01em;padding:.5rem 0 1.5rem}
.brand img{width:40px;height:40px;flex:none}

button,input{font:inherit;color:var(--fg)}
button{padding:.6rem 1rem;border-radius:10px;border:1px solid var(--bd);background:var(--card);cursor:pointer;font-weight:550;transition:background .15s,border-color .15s,transform .05s}
button:hover:not(:disabled){border-color:var(--mut)}
button:active:not(:disabled){transform:translateY(1px)}
button:disabled{opacity:.45;cursor:not-allowed}
button.p{background:var(--ac);color:var(--acf);border-color:var(--ac)}
button.p:hover:not(:disabled){filter:brightness(1.08)}
button.d{color:var(--dg);border-color:color-mix(in srgb,var(--dg) 45%,var(--bd))}
button.on{background:var(--ac);color:var(--acf);border-color:var(--ac)}
button.big{padding:.85rem 1.25rem;font-size:1.05rem;width:100%}
input,textarea{padding:.65rem .85rem;border-radius:10px;border:1px solid var(--bd);background:var(--bg)}
:is(button,input,textarea,a,summary):focus-visible{outline:3px solid color-mix(in srgb,var(--ac) 55%,transparent);outline-offset:2px}
.row{display:flex;gap:.5rem;flex-wrap:wrap;margin:.75rem 0}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);box-shadow:var(--sh);padding:1.25rem}
.card+.card{margin-top:1rem}

.hero{padding:.5rem 0 1.75rem}
.hero h1{font-size:clamp(2.2rem,7vw,3.4rem);letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--ac)}
.lead{font-size:1.15rem;color:var(--mut);max-width:34rem;margin-top:.9rem}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.cards .card{display:flex;flex-direction:column;gap:.5rem}
.cards .card+.card{margin-top:0}
.cards .card p{color:var(--mut);margin:0 0 .5rem;flex:1}
#join .row{margin:0;flex-wrap:nowrap}
#jc{flex:1;min-width:0;text-transform:uppercase;letter-spacing:.2em;font:600 1.05rem ui-monospace,SFMono-Regular,Menlo,monospace}
.trust{list-style:none;padding:0;margin:2rem 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.trust li{font-size:.92rem;color:var(--mut)}
.trust strong{display:block;color:var(--fg);margin-bottom:.15rem}
.steps{margin:2.25rem 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;counter-reset:s}
.steps li{counter-increment:s;background:var(--acs);border-radius:var(--r);padding:1rem;font-size:.95rem}
.steps li::before{content:counter(s);display:grid;place-items:center;width:1.75rem;height:1.75rem;border-radius:50%;background:var(--ac);color:var(--acf);font-weight:700;margin-bottom:.5rem}
.foot{margin-top:2.5rem;font-size:.85rem;color:var(--mut)}

#hc{display:inline-block;font:700 clamp(1.8rem,8vw,2.6rem)/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.18em;background:var(--acs);border-radius:12px;padding:.8rem 1rem .8rem 1.2rem;margin:.75rem 0 0;user-select:all}
#hs,#ps{display:inline-flex;align-items:center;gap:.55rem;font-size:.92rem;color:var(--mut);margin:.25rem 0}
#hs::before,#ps::before{content:"";flex:none;width:.6rem;height:.6rem;border-radius:50%;background:var(--ac);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.25}}
@media(prefers-reduced-motion:reduce){#hs::before,#ps::before{animation:none}}
#hn2 .row,#hnotes h3{margin-top:1rem}
#pv{border-radius:10px;overflow:hidden;border:1px solid var(--bd);background:#000;margin-top:.5rem}
#hchat::before{content:"Chat";display:block;font-weight:700;font-size:1.15rem;margin-bottom:.6rem}
#side button{padding:.5rem .6rem;white-space:nowrap}
#log{height:9rem;overflow:auto;border:1px solid var(--bd);border-radius:10px;padding:.5rem .65rem;font-size:.9rem;background:var(--bg)}
#log div{padding:.1rem 0}

#help{display:grid;grid-template-columns:1fr 19rem;height:100vh;height:100dvh;background:var(--bg)}
#stage{position:relative;background:#070b0a;display:flex;align-items:center;justify-content:center;overflow:hidden}
#stage .empty{position:absolute;inset:0;display:grid;place-items:center;color:#8aa09b;text-align:center;padding:2rem;font-size:1.05rem}
#stage.live .empty{display:none}
#v{position:relative;z-index:1;max-width:100%;max-height:100%}
#stage.on{touch-action:none;user-select:none;-webkit-user-select:none;box-shadow:inset 0 0 0 3px var(--ac)}
#dot{position:absolute;z-index:3;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;border:2px solid var(--ac);background:rgba(255,255,255,.55);pointer-events:none}
#kbi{position:fixed;bottom:0;left:0;width:1px;height:1px;opacity:0;font-size:16px}
#lens{position:absolute;z-index:3;pointer-events:none;border:3px solid var(--ac);border-radius:50%;width:200px;height:200px;box-shadow:0 6px 24px rgba(0,0,0,.5)}
#stage.pinning,#pv.pinning{cursor:crosshair}
.pin{position:absolute;display:flex;gap:.25rem;align-items:flex-start;transform:translate(-11px,-11px);pointer-events:none;z-index:2}
.pin b{flex:none;width:22px;height:22px;border-radius:50%;background:var(--ac);color:var(--acf);text-align:center;line-height:22px;font-size:.8rem;box-shadow:0 2px 6px rgba(0,0,0,.4)}
.pin span{background:var(--card);color:var(--fg);border:1px solid var(--bd);border-radius:8px;padding:0 .45rem;font-size:.8rem;max-width:12rem;box-shadow:0 2px 6px rgba(0,0,0,.3)}
.nl div{font-size:.85rem;display:flex;justify-content:space-between;gap:.5rem;padding:.15rem 0}
.nl button{padding:0 .45rem;border-radius:6px}

#side{display:flex;flex-direction:column;gap:.5rem;overflow:auto;padding:.75rem;background:var(--card);border-left:1px solid var(--bd)}
#side .brand{padding:.25rem .25rem .25rem;font-size:1rem}
#side .brand img{width:26px;height:26px}
#side details{border:1px solid var(--bd);border-radius:12px;padding:.1rem .75rem .75rem}
#side summary{cursor:pointer;font-weight:650;font-size:.92rem;padding:.65rem 0 .4rem;list-style:none;display:flex;justify-content:space-between}
#side summary::-webkit-details-marker{display:none}
#side summary::after{content:"+";color:var(--mut)}
#side details[open]>summary::after{content:"\2212"}
#side .row{margin:.25rem 0}
#side .row>button{flex:1}
.k{display:flex;flex-wrap:wrap;gap:.35rem;margin:.5rem 0}
.k button{padding:.35rem .6rem;font-size:.85rem;border-radius:8px}
#wl{margin-top:.25rem}
#wl button{display:block;width:100%;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:.25rem;font-weight:450;font-size:.88rem;padding:.4rem .6rem}

@media(max-width:760px){
  .cards,.trust,.steps{grid-template-columns:1fr}
  #help{grid-template-columns:1fr;grid-template-rows:minmax(0,56dvh) 1fr}
  #side{border-left:0;border-top:1px solid var(--bd)}
  #lens{width:140px;height:140px}
}