@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');
:root{--bg:#0b0d0c;--panel:#121614;--panel2:#181d1a;--line:#303831;--ink:#edf2eb;--muted:#9da89f;--acid:#dfff52;--mint:#5de0b1;--amber:#ffba49;--red:#ff6b5f;--mono:'JetBrains Mono',monospace;--sans:'Barlow',sans-serif;--radius:3px;--ease:cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:var(--sans);background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:32px 32px}.skip{position:fixed;left:12px;top:-60px;z-index:99;background:var(--acid);color:#10120f;padding:10px 14px}.skip:focus{top:12px}.lab-header{height:74px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(11,13,12,.92);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.brand{text-decoration:none;color:var(--ink);display:flex;gap:12px;align-items:center}.brand b{font:600 13px var(--mono);letter-spacing:.08em}.brand span{color:var(--muted);font:11px var(--mono)}.lab-nav{display:flex;gap:8px}.lab-nav a,.button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border:1px solid var(--line);color:var(--ink);text-decoration:none;background:var(--panel);font:600 12px var(--mono);cursor:pointer;transition:transform .2s var(--ease),border-color .2s,background .2s}.lab-nav a:hover,.lab-nav a:focus-visible,.button:hover,.button:focus-visible{border-color:var(--acid);transform:translateY(-2px);outline:none}.button.primary{background:var(--acid);color:#10120f;border-color:var(--acid)}.lab-shell{width:min(1440px,calc(100% - 32px));margin:0 auto;padding:42px 0 70px}.lab-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.5fr);gap:28px;align-items:end;margin-bottom:28px}.eyebrow,.coordinate{font:600 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mint)}h1{font-size:clamp(45px,7vw,96px);letter-spacing:-.06em;line-height:.85;margin:18px 0 0;max-width:900px}.hero-note{border-left:2px solid var(--acid);padding-left:18px;color:var(--muted);font-size:16px;line-height:1.55}.hero-note strong{color:var(--ink);display:block;margin-bottom:8px}.lab-grid{display:grid;grid-template-columns:minmax(310px,.72fr) minmax(0,1.28fr);border:1px solid var(--line);background:var(--panel)}.control-panel,.output-panel{padding:24px;min-width:0}.control-panel{border-right:1px solid var(--line);background:linear-gradient(145deg,var(--panel2),var(--panel))}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.panel-head h2{font-size:20px;margin:0}.status-pill{font:600 10px var(--mono);padding:6px 8px;border:1px solid var(--line);color:var(--muted)}form{display:grid;gap:16px}label,.field-label{display:grid;gap:7px;color:var(--muted);font:500 11px var(--mono);text-transform:uppercase;letter-spacing:.06em}input,select,textarea{width:100%;background:#0c100e;color:var(--ink);border:1px solid var(--line);border-radius:0;padding:12px 13px;font:14px var(--mono);outline:none}textarea{min-height:130px;resize:vertical;line-height:1.55}input:focus,select:focus,textarea:focus{border-color:var(--acid);box-shadow:0 0 0 2px rgba(223,255,82,.12)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.examples{display:flex;flex-wrap:wrap;gap:7px}.example{border:1px solid var(--line);background:transparent;color:var(--muted);padding:7px 9px;font:10px var(--mono);cursor:pointer}.example:hover,.example:focus-visible{color:var(--ink);border-color:var(--mint)}.output-panel{position:relative;overflow:hidden}.output-panel:before{content:'';position:absolute;width:280px;height:280px;border-radius:50%;background:rgba(93,224,177,.06);filter:blur(45px);right:-80px;top:-100px;pointer-events:none}.trace{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:16px 0 24px}.trace-step{min-height:90px;border:1px solid var(--line);padding:12px;position:relative}.trace-step:after{content:'→';position:absolute;right:-9px;top:32px;color:var(--muted);z-index:2}.trace-step:last-child:after{display:none}.trace-step span{font:10px var(--mono);color:var(--muted);text-transform:uppercase}.trace-step strong{display:block;margin-top:14px;font-size:14px}.trace-step.done{border-color:var(--mint)}.trace-step.done span{color:var(--mint)}.trace-step.block{border-color:var(--red)}.trace-step.block span{color:var(--red)}.result-card{min-height:280px;border:1px solid var(--line);background:#0c100e;padding:22px;position:relative}.result-empty{height:220px;display:grid;place-items:center;text-align:center;color:var(--muted);font:13px var(--mono)}.result-label{font:10px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.result-card h3{font-size:clamp(25px,3vw,44px);line-height:1;margin:12px 0}.result-card p{color:var(--muted);line-height:1.6;max-width:800px}.metric-rail{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:16px}.metric{padding:13px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.metric span{font:9px var(--mono);color:var(--muted);text-transform:uppercase}.metric strong{display:block;margin-top:6px;font:600 14px var(--mono)}pre{white-space:pre-wrap;overflow:auto;background:#080a09;border:1px solid var(--line);padding:16px;color:#c7d4ca;font:12px/1.6 var(--mono);max-height:260px}.node-map{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.node{padding:9px 11px;border:1px solid var(--mint);color:var(--mint);font:11px var(--mono)}.node.edge{border-color:var(--amber);color:var(--amber)}.gate{font-size:clamp(48px,8vw,110px);font-weight:700;letter-spacing:-.07em;line-height:.8}.gate.pass{color:var(--mint)}.gate.block{color:var(--red)}.probe-table{width:100%;border-collapse:collapse;font:11px var(--mono);margin-top:18px}.probe-table th,.probe-table td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}.probe-table th{color:var(--muted);text-transform:uppercase}.probe-success{color:var(--red)}.probe-safe{color:var(--mint)}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.check-grid label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:10px;text-transform:none}.check-grid input{width:auto}.disclosure{margin-top:18px;padding:12px;border:1px solid #544a29;background:rgba(255,186,73,.06);color:#ddc98c;font:11px/1.5 var(--mono)}.lab-footer{display:flex;justify-content:space-between;color:var(--muted);font:10px var(--mono);margin-top:18px}.loading{animation:pulse .7s infinite alternate}@keyframes pulse{to{opacity:.35}}@media(max-width:900px){.lab-hero,.lab-grid{grid-template-columns:1fr}.lab-grid{display:block}.control-panel{border-right:0;border-bottom:1px solid var(--line)}.trace{grid-template-columns:1fr 1fr}.trace-step:nth-child(2):after{display:none}.lab-header{padding:0 14px}.brand span{display:none}.lab-shell{padding-top:28px}.lab-nav a{padding:0 9px}.lab-nav a:first-child{display:none}}@media(max-width:560px){.lab-nav a.source{display:none}.lab-hero{gap:18px}.form-row,.metric-rail,.check-grid{grid-template-columns:1fr}.trace{grid-template-columns:1fr}.trace-step:after{display:none}.control-panel,.output-panel{padding:18px}.lab-shell{width:min(100% - 20px,1440px)}h1{font-size:49px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}