:root{--bg:#0b0d14;--panel:#141826;--line:#262c42;--txt:#e7e9f3;--mut:#8a90a8;--acc:#7b8cff;--acc2:#c3ff4a}
*{box-sizing:border-box}body{margin:0;background:var(--bg) radial-gradient(circle at 70% -10%,#1d2350,transparent 60%);color:var(--txt);font:15px/1.5 ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}
a{color:inherit}.demo-badge{background:var(--acc2);color:#000;text-align:center;font-weight:700;padding:6px;font-size:13px;letter-spacing:.05em}
.nav{display:flex;align-items:center;gap:20px;padding:16px 5vw;border-bottom:1px solid var(--line)}.nav nav{display:flex;gap:16px;margin-left:auto}.nav nav a{text-decoration:none;color:var(--mut)}.nav nav a:hover{color:var(--txt)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;text-decoration:none;font-size:18px}.logo-mark{width:18px;height:18px;background:var(--acc);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);image-rendering:pixelated}
.btn{background:var(--acc);color:#05060c;border:0;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer;box-shadow:4px 4px 0 #000;text-decoration:none;display:inline-block}.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 #000}.btn.big{padding:14px 22px}.btn.ghost{background:transparent;color:var(--txt);border:2px solid var(--line)}.btn:disabled{opacity:.5;cursor:not-allowed}
main{max-width:1150px;margin:0 auto;padding:0 5vw}section{padding:48px 0}h1{font-size:clamp(40px,7vw,80px);line-height:1;margin:10px 0 18px}h2{font-size:28px;margin:0 0 20px}h2:before{content:"▚ ";color:var(--acc)}
.accent{color:var(--acc)}.kicker{color:var(--acc2);text-transform:uppercase;letter-spacing:.1em;margin:0}.lede{color:var(--mut);max-width:560px}.lede b{color:var(--txt)}
.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;padding-top:64px}.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}.hero-art svg{width:100%;max-width:380px;display:block;margin:auto;filter:drop-shadow(0 0 40px #7b8cff55)}
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding-top:0}.stat{background:var(--panel);border:1px solid var(--line);padding:16px}.stat label{display:block;color:var(--mut);font-size:12px;text-transform:uppercase}.stat b{display:block;font-size:24px;margin:6px 0}.stat small{color:var(--mut);font-size:12px}
.loop{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{background:var(--panel);border:1px solid var(--line);padding:22px}.step span{color:var(--acc);font-size:28px;font-weight:800}.step h3{margin:6px 0}.step p{color:var(--mut);margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}.card{background:var(--panel);border:2px solid var(--c,#333);padding:10px}.card svg{width:100%;display:block;image-rendering:pixelated;background:#070910}.card h4{margin:8px 0 2px}.card p{margin:0;color:var(--mut);font-size:12px}.tag{color:var(--c);font-weight:700}
.empty{color:var(--mut);border:1px dashed var(--line);padding:24px;text-align:center}
.tablewrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:var(--panel)}th,td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left}th{color:var(--mut);font-size:12px;text-transform:uppercase}
details{background:var(--panel);border:1px solid var(--line);padding:14px 18px;margin-bottom:10px}summary{cursor:pointer;font-weight:700}details p{color:var(--mut)}.linkbtn{background:none;border:0;color:var(--acc);font:inherit;cursor:pointer;text-decoration:underline;padding:0}
footer{border-top:1px solid var(--line);padding:28px 5vw;color:var(--mut);text-align:center;font-size:13px}
.modal{position:fixed;inset:0;background:#000b;display:flex;align-items:center;justify-content:center;z-index:9;padding:16px}.modal[hidden]{display:none}.box{background:var(--panel);border:2px solid var(--acc);box-shadow:8px 8px 0 #000;padding:24px;width:100%;max-width:380px;text-align:center}.box h3{margin-top:0}
.opt{display:flex;justify-content:space-between;width:100%;padding:12px;margin:8px 0;background:#0b0d14;color:var(--txt);border:1px solid var(--line);font:inherit;cursor:pointer}.opt:disabled{opacity:.5;cursor:not-allowed}.opt em{color:var(--mut);font-size:12px}
.bar{height:18px;border:2px solid var(--acc);padding:2px}.bar i{display:block;height:100%;width:0;background:repeating-linear-gradient(90deg,var(--acc2) 0 10px,transparent 10px 14px);transition:width .2s steps(4)}
pre{text-align:left;color:var(--acc2);font-size:12px;min-height:80px;white-space:pre-wrap}#drawResult .card{max-width:220px;margin:0 auto 14px}
@media(max-width:860px){.hero{grid-template-columns:1fr}.hero-art{order:-1}.hero-art svg{max-width:240px}.stats{grid-template-columns:1fr 1fr}.loop{grid-template-columns:1fr}.nav nav{display:none}.nav .btn{margin-left:auto}}
@media(max-width:420px){.stats{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}}