:root{
  --bg:#ffffff; --bg-2:#f7f7f8; --ink:#0d0d0d; --ink-soft:#6e6e80;
  --line:#ececf1; --line-strong:#dcdce4; --accent:#10a37f; --accent-soft:#10a37f1a;
  --white:#ffffff; --r:16px; --nav:64px;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:"Hanken Grotesk",sans-serif;background:var(--bg);color:var(--ink);overflow:hidden;-webkit-font-smoothing:antialiased}
body.hands{cursor:none}
body.hands *{cursor:none!important}
body::before{content:"";position:fixed;inset:-15%;pointer-events:none;z-index:0;background:radial-gradient(820px 500px at 80% -5%,#f1faf6,transparent 60%),radial-gradient(720px 560px at -5% 108%,var(--accent-soft),transparent 55%)}
.mono{font-family:"JetBrains Mono",monospace}
.muted{color:var(--ink-soft);font-size:14px;line-height:1.55}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft)}

/* nav */
nav{position:fixed;top:0;left:0;right:0;height:var(--nav);z-index:40;display:flex;align-items:center;justify-content:space-between;padding:0 26px;background:#ffffffd9;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.01em;cursor:pointer}
.brand .glyph{width:25px;height:25px;border-radius:7px;background:var(--ink);display:grid;place-items:center;color:#fff}
.brand .glyph svg{width:14px;height:14px}
.navlinks{display:flex;gap:2px;align-items:center;position:absolute;left:50%;transform:translateX(-50%)}
.navlinks button{font-family:inherit;font-size:13.5px;font-weight:500;color:var(--ink-soft);background:transparent;border:0;padding:8px 12px;border-radius:8px;transition:.16s}
.navlinks button.active,.navlinks button.hover{color:var(--ink);background:var(--bg-2)}
.nav-right{display:flex;align-items:center;gap:10px}
.ghost-btn{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.04em;color:var(--ink-soft);background:transparent;border:1px solid var(--line-strong);padding:6px 11px;border-radius:99px;transition:.16s}
.ghost-btn.hover{color:var(--ink)}
.acct{font-family:inherit;font-size:13.5px;font-weight:600;color:var(--ink);background:var(--white);border:1px solid var(--line-strong);padding:7px 15px;border-radius:99px;transition:.16s}
.acct.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.acct.hover{transform:translateY(-1px)}
.pill{font-family:"JetBrains Mono",monospace;font-size:11px;display:flex;align-items:center;gap:7px;color:var(--ink-soft);border:1px solid var(--line-strong);padding:6px 11px;border-radius:99px}
.dot{width:7px;height:7px;border-radius:50%;background:#c9c9d4;transition:.25s}
.dot.live{background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}

/* buttons */
.btn{font-family:inherit;font-size:14px;font-weight:600;border-radius:99px;padding:11px 20px;border:1px solid var(--line-strong);background:var(--white);color:var(--ink);transition:.18s;display:inline-flex;align-items:center;gap:9px}
.btn.lg{padding:14px 24px;font-size:15px}
.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn:hover,.btn.hover{transform:translateY(-2px)}
.btn.primary.hover{box-shadow:0 14px 30px -14px #0d0d0d99}

/* stage + views */
.stage{position:relative;z-index:10;height:100%;width:100%}
.view{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .4s,transform .4s,visibility .4s}
.view.show{opacity:1;visibility:visible;transform:none}
.scrolly{align-items:flex-start;justify-content:flex-start;overflow-y:auto;overflow-x:hidden}
.scrolly::-webkit-scrollbar{width:10px}
.scrolly::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px;border:3px solid var(--bg)}

/* home */
.home-wrap{width:min(1080px,92vw);margin:0 auto;padding:calc(var(--nav) + 56px) 0 60px}
.hero{text-align:center;padding:30px 0 12px}
.hero h1{font-size:clamp(42px,7.4vw,92px);line-height:.96;font-weight:700;letter-spacing:-.035em;margin:14px auto 0}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#0f8f70,#19c39a,#0f8f70);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shine 6s ease infinite}
@keyframes shine{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero p{margin:22px auto 0;max-width:52ch;font-size:clamp(15px,1.5vw,18px);color:var(--ink-soft);line-height:1.55}
.cta-row{margin-top:30px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.block{margin-top:72px}
.block-head{text-align:center;margin-bottom:26px}
.block-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.025em;margin-top:8px}
.guide{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.guide-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:24px;text-align:center}
.guide-card .gi{font-size:30px;line-height:1}
.guide-card h3{font-size:18px;font-weight:600;margin-top:12px}
.guide-card p{font-size:13.5px;color:var(--ink-soft);margin-top:6px;line-height:1.45}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{text-align:left;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:.22s;position:relative;overflow:hidden;min-height:166px;display:flex;flex-direction:column;justify-content:space-between}
.card:hover,.card.hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 46px -28px #0d0d0d44}
.card.subtle{background:var(--bg-2)}
.card .num{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink-soft)}
.card h3{font-size:19px;font-weight:600;letter-spacing:-.01em;margin-top:10px;display:flex;align-items:center;gap:8px}
.card p{font-size:13.5px;color:var(--ink-soft);margin-top:6px;line-height:1.45}
.card .go{margin-top:16px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.card .blob{position:absolute;width:130px;height:130px;border-radius:50%;right:-34px;top:-34px;background:var(--accent-soft);filter:blur(8px);opacity:0;transition:.4s}
.card.hover .blob{opacity:1;transform:scale(1.3)}
.beta{font-family:"JetBrains Mono",monospace;font-size:9px;letter-spacing:.1em;text-transform:uppercase;background:var(--accent-soft);color:var(--accent);padding:2px 7px;border-radius:99px}
.foot{margin-top:72px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;color:var(--ink-soft);font-size:13px}
.foot .mono{font-size:11px;letter-spacing:.05em}

/* projects (full-canvas) */
.project{flex-direction:column;align-items:stretch;justify-content:stretch;padding:0}
.proj-canvas{position:absolute;inset:0;width:100%;height:100%}
.proj-head{position:absolute;top:calc(var(--nav) + 18px);left:28px;z-index:20;max-width:340px;pointer-events:none}
.proj-head .eyebrow{margin-bottom:8px}
.proj-head h2{font-size:30px;font-weight:700;letter-spacing:-.02em}
.proj-head p{font-size:14px;color:var(--ink-soft);margin-top:8px;line-height:1.5}
.back{position:absolute;top:calc(var(--nav) + 14px);right:28px;z-index:25}
.center-hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:18;color:var(--ink-soft);font-size:15px}
.rail{position:absolute;z-index:22;display:flex;gap:10px;background:var(--white);border:1px solid var(--line);border-radius:99px;padding:9px;box-shadow:0 18px 40px -28px #0d0d0d55}
.rail.bottom{bottom:30px;left:50%;transform:translateX(-50%)}
.swatch{width:30px;height:30px;border-radius:50%;transition:.18s;border:2px solid #fff;box-shadow:0 0 0 1px var(--line-strong)}
.swatch.sel{transform:scale(1.18);box-shadow:0 0 0 2px var(--ink)}
.tool{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--bg-2);transition:.18s;color:var(--ink)}
.tool:hover,.tool.hover{background:var(--ink);color:#fff}
.tool svg{width:18px;height:18px}

/* studio */
.studio-wrap{width:min(940px,92vw);margin:0 auto;padding:calc(var(--nav) + 40px) 0 60px;display:flex;flex-direction:column;gap:14px}
.studio-title{font-size:clamp(26px,4vw,40px);font-weight:700;letter-spacing:-.025em}
.studio-setup{display:flex;flex-direction:column;gap:14px;max-width:560px}
.note{font-size:12.5px;color:var(--ink-soft);background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;line-height:1.5}
#studioCall{display:none}
.studio-call{gap:14px}
.studio-call.show,#studioCall[style*="grid"]{display:grid}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{position:relative;aspect-ratio:16/10;background:#0d0d0d;border-radius:14px;overflow:hidden;border:1px solid var(--line-strong)}
.tile video{width:100%;height:100%;object-fit:cover}
#stLocal{transform:scaleX(-1)}
.tlabel{position:absolute;bottom:8px;left:8px;font-family:"JetBrains Mono",monospace;font-size:10px;color:#fff;background:#0009;padding:3px 8px;border-radius:6px}
.boardwrap{position:relative;background:var(--white);border:1px solid var(--line-strong);border-radius:14px;overflow:hidden;height:300px}
#stBoard{position:absolute;inset:0;width:100%;height:100%}
.bhint{position:absolute;top:10px;left:12px;font-size:10px;color:var(--ink-soft)}
.studio-ctrls{display:flex;align-items:center;gap:10px}
.studio-ctrls .spacer{flex:1}

/* profile */
.profile-wrap{width:min(640px,92vw);margin:0 auto;padding:calc(var(--nav) + 40px) 0 80px;display:flex;flex-direction:column;gap:14px}
.back-inline{align-self:flex-start;margin-bottom:4px;padding:9px 16px;font-size:13px}
.pf-top{display:flex;align-items:center;gap:18px}
.pf-avatar{position:relative;width:84px;height:84px;border-radius:50%;overflow:hidden;cursor:pointer;flex:none;box-shadow:0 0 0 1px var(--line-strong)}
.pf-avatar img{width:100%;height:100%;object-fit:cover;display:block;background:var(--bg-2)}
.pf-edit{position:absolute;inset:auto 0 0 0;background:#0009;color:#fff;font-size:10px;text-align:center;padding:3px;font-family:"JetBrains Mono",monospace}
.pf-top h2{font-size:24px;font-weight:700;letter-spacing:-.02em}
.pf-label{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-top:10px}
textarea#pfBio,.pf-addrow input,.field input{font-family:inherit;font-size:15px;color:var(--ink);background:var(--white);border:1px solid var(--line-strong);border-radius:12px;padding:12px 14px;width:100%;outline:none;transition:.18s}
textarea#pfBio{min-height:80px;resize:vertical}
textarea#pfBio:focus,.pf-addrow input:focus,.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.pf-addrow{display:flex;gap:10px}
.pf-addrow input{flex:1}
.friends{display:flex;flex-direction:column;gap:8px}
.friend{display:flex;align-items:center;gap:12px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:9px 12px}
.friend img{width:34px;height:34px;border-radius:50%;object-fit:cover;background:var(--bg-2)}
.friend span{font-weight:600;font-size:14px;flex:1}
.friend .rm{font-family:inherit;font-size:12px;color:var(--ink-soft);background:transparent;border:1px solid var(--line-strong);border-radius:99px;padding:5px 12px}
.pf-err{min-height:16px}
.pf-signout{align-self:flex-start;margin-top:6px;color:var(--ink-soft)}

/* camera preview + cursors + hud */
#preview{position:fixed;bottom:24px;left:24px;width:184px;height:138px;z-index:35;border-radius:14px;overflow:hidden;border:1px solid var(--line-strong);background:#000;box-shadow:0 18px 40px -24px #0d0d0d99;transition:.3s}
#preview.hidden{opacity:0;transform:translateY(20px) scale(.96);pointer-events:none}
#preview video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
#preview canvas{position:absolute;inset:0;width:100%;height:100%}
#preview .tag{position:absolute;top:8px;left:8px;z-index:2;font-family:"JetBrains Mono",monospace;font-size:9px;color:#fff;background:#0009;padding:3px 7px;border-radius:6px}
#cursor{position:fixed;left:0;top:0;z-index:60;pointer-events:none;width:40px;height:40px;margin:-20px 0 0 -20px;opacity:0;transition:width .12s,height .12s,margin .12s,opacity .2s;will-change:transform}
#cursor .ring{position:absolute;inset:0;border-radius:50%;border:2px solid var(--ink);transition:.12s}
#cursor.pinch{width:24px;height:24px;margin:-12px 0 0 -12px}
#cursor.pinch .ring{border-color:var(--accent);background:var(--accent-soft)}
#cursor .core{position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--accent)}
#cursor .label{position:absolute;top:50%;left:120%;transform:translateY(-50%);white-space:nowrap;font-family:"JetBrains Mono",monospace;font-size:10px;color:var(--ink-soft);opacity:0;transition:.2s}
#cursor.hovering .label{opacity:1}
#cursor2{position:fixed;left:0;top:0;z-index:59;pointer-events:none;width:16px;height:16px;margin:-8px 0 0 -8px;opacity:0;transition:opacity .2s}
#cursor2 .r{position:absolute;inset:0;border-radius:50%;border:2px solid var(--ink-soft)}
#cursor2.on{opacity:.7}
.hud{position:fixed;bottom:26px;right:24px;z-index:35}
.hud .chip{font-family:"JetBrains Mono",monospace;font-size:11px;background:var(--white);border:1px solid var(--line);border-radius:99px;padding:8px 13px;color:var(--ink-soft);display:flex;gap:9px;align-items:center}
.hud .chip b{color:var(--ink);font-weight:500}
kbd{font-family:"JetBrains Mono",monospace;font-size:10px;background:var(--bg-2);border:1px solid var(--line-strong);border-radius:5px;padding:1px 6px;color:var(--ink)}

/* gate */
#gate{position:fixed;inset:0;z-index:80;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;transition:opacity .6s}
#gate.gone{opacity:0;pointer-events:none}
#gate .eyebrow{margin-bottom:18px}
#gate h2{font-size:clamp(30px,5vw,52px);font-weight:700;letter-spacing:-.03em;max-width:18ch}
#gate p{margin-top:16px;max-width:46ch;color:var(--ink-soft);font-size:15px;line-height:1.55}
#gate .btn{margin-top:28px}
.spinner{width:30px;height:30px;border-radius:50%;border:3px solid var(--line-strong);border-top-color:var(--accent);animation:spin 1s linear infinite;margin:0 auto}
@keyframes spin{to{transform:rotate(360deg)}}
.gate-note{margin-top:24px;font-size:12.5px;color:var(--ink-soft);max-width:42ch;line-height:1.5}
.err{color:var(--accent);font-weight:600}

/* modal */
.modal{position:fixed;inset:0;z-index:90;background:#0d0d0d55;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:.25s;padding:20px}
.modal.show{opacity:1;visibility:visible}
.modal-card{position:relative;width:min(400px,94vw);background:var(--white);border:1px solid var(--line-strong);border-radius:20px;padding:30px;box-shadow:0 40px 80px -30px #0d0d0d80;display:flex;flex-direction:column;gap:12px}
.modal-card h2{font-size:24px;font-weight:700;letter-spacing:-.02em}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12.5px;color:var(--ink-soft);font-weight:500}
.btn.full{width:100%;justify-content:center;margin-top:6px}
.link-btn{background:none;border:0;color:var(--ink-soft);font-family:inherit;font-size:13px;text-decoration:underline;text-underline-offset:3px}
.modal-close{position:absolute;top:14px;right:16px;background:none;border:0;font-size:24px;line-height:1;color:var(--ink-soft)}
.auth-err{min-height:18px;font-size:13px;text-align:center;color:var(--accent)}

@media (max-width:860px){
  .navlinks{display:none}
  .guide,.cards{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr}
  #preview{width:128px;height:96px}
  .ghost-btn{display:none}
}
.seg{display:flex;gap:4px;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:4px;margin:2px 0 6px}
.seg-btn{flex:1;font-family:inherit;font-size:14px;font-weight:600;color:var(--ink-soft);background:transparent;border:0;padding:9px;border-radius:9px;transition:.16s}
.seg-btn.active{background:var(--white);color:var(--ink);box-shadow:0 1px 3px #0d0d0d14}

/* ---- icons ---- */
.lucide{width:18px;height:18px;stroke-width:2}
.btn .lucide{width:17px;height:17px}

/* ---- site lock until authed ---- */
body:not(.authed) nav,body:not(.authed) .stage,body:not(.authed) #gate,body:not(.authed) #preview,body:not(.authed) .hud,body:not(.authed) #cursor,body:not(.authed) #cursor2{display:none!important}
#authGate{position:fixed;inset:0;z-index:120;background:radial-gradient(900px 600px at 50% -10%,#f1faf6,var(--bg) 60%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px}
#authGate.hidden{display:none}
.auth-card{width:min(400px,94vw);background:var(--white);border:1px solid var(--line-strong);border-radius:22px;padding:30px;box-shadow:0 40px 90px -36px #0d0d0d40;display:flex;flex-direction:column;gap:12px}
.auth-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.02em}
.auth-brand .glyph{width:30px;height:30px;border-radius:8px;background:var(--ink);display:grid;place-items:center;color:#fff}
.auth-brand .glyph svg{width:17px;height:17px}
.auth-tag{font-size:14px;color:var(--ink-soft);line-height:1.5;margin-bottom:4px}
.auth-foot{font-size:11px;color:var(--ink-soft);letter-spacing:.05em}
.tos-row{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--ink-soft);line-height:1.4;cursor:pointer}
.tos-row input{margin-top:2px;width:16px;height:16px;accent-color:var(--accent)}
.tos-row .link-btn{display:inline;padding:0}

/* ---- ToS modal ---- */
.tos-card{width:min(620px,94vw);max-height:84vh;overflow-y:auto;text-align:left}
.tos-body{font-size:13.5px;line-height:1.6;color:var(--ink);display:flex;flex-direction:column;gap:4px;margin-top:6px}
.tos-body h4{font-size:14px;margin-top:12px}
.tos-body p{color:var(--ink-soft)}
.tos-body .mut{font-size:12.5px;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}

/* ---- cards with icons ---- */
.cards .card{flex-direction:column;align-items:flex-start;gap:12px;min-height:150px}
.card .lucide{width:24px;height:24px;color:var(--accent)}
.card h3{margin-top:0;font-size:18px;display:flex;align-items:center;gap:8px}
.card p{margin-top:5px}
.guide-card .lucide{width:26px;height:26px;color:var(--accent);margin:0 auto}
.guide-card h3{margin-top:12px}

/* ---- game hud ---- */
.game-hud{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:22;display:flex;align-items:center;gap:18px;background:var(--white);border:1px solid var(--line);border-radius:99px;padding:9px 9px 9px 20px;box-shadow:0 18px 40px -28px #0d0d0d55;font-size:14px;color:var(--ink-soft)}
.game-hud b{color:var(--ink);font-weight:700;margin-left:4px}

/* ---- footer brand ---- */
.brand-sm{display:flex;align-items:center;gap:8px;font-weight:700}
.glyph.sm{width:22px;height:22px;border-radius:6px;background:var(--ink);display:grid;place-items:center;color:#fff}
.glyph.sm svg{width:13px;height:13px}

/* ---- theme-safe fixes ---- */
.glyph svg{color:var(--bg)}
.btn.primary,.acct.on{color:var(--bg)}
#tosModal{z-index:130}
.insight{position:absolute;top:calc(var(--nav) + 18px);right:28px;z-index:20;max-width:280px;text-align:right;font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink-soft);line-height:1.8}
.insight b{color:var(--accent)}
.accr{margin-top:14px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}

/* ---- dark mode ---- */
html.dark{--bg:#0c0c0e;--bg-2:#161619;--ink:#f4f4f5;--ink-soft:#a1a1aa;--line:#24242b;--line-strong:#34343e;--white:#161619}
html.dark nav{background:#0c0c0edd}
html.dark #authGate{background:radial-gradient(900px 600px at 50% -10%,#10a37f24,var(--bg) 62%)}
html.dark body::before{background:radial-gradient(820px 500px at 80% -5%,#10a37f16,transparent 60%),radial-gradient(720px 560px at -5% 108%,#10a37f12,transparent 55%)}
html.dark .seg-btn.active{background:#26262e}
html.dark .card:hover,html.dark .card.hover{box-shadow:0 24px 46px -28px #00000080}

/* ---- AI trainer ---- */
.train-wrap{width:min(900px,92vw);margin:0 auto;padding:calc(var(--nav) + 40px) 0 60px;display:flex;flex-direction:column;gap:14px}
.train-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:16px}
.train-cam{position:relative;background:#000;border:1px solid var(--line-strong);border-radius:14px;overflow:hidden;aspect-ratio:4/3}
.train-cam video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.train-pred{position:absolute;left:12px;bottom:12px;background:#000a;color:#fff;border-radius:10px;padding:8px 12px;font-family:"JetBrains Mono",monospace;font-size:13px}
.train-panel{display:flex;flex-direction:column;gap:12px}
.tn-row{display:flex;gap:10px}.tn-row input{flex:1}
.tn-classes{display:flex;flex-direction:column;gap:8px;min-height:30px}
.tn-class{display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px}
.tn-class b{margin-left:auto;font-family:"JetBrains Mono",monospace;color:var(--ink-soft);font-weight:500}
@media (max-width:760px){.train-grid{grid-template-columns:1fr}}