:root{--text: #6b6375;--text-h: #08060d;--bg: #fff;--bg-raised: #faf9fb;--border: #e5e4e7;--code-bg: #f4f3ec;--accent: #aa3bff;--accent-bg: rgba(170, 59, 255, .1);--danger: #dc2626;--danger-bg: rgba(220, 38, 38, .08);--sans: system-ui, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, Consolas, monospace;font:16px/150% var(--sans);color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(prefers-color-scheme:dark){:root{--text: #9ca3af;--text-h: #f3f4f6;--bg: #16171d;--bg-raised: #1c1d24;--border: #2e303a;--code-bg: #1f2028;--accent: #c084fc;--accent-bg: rgba(192, 132, 252, .15);--danger: #f87171;--danger-bg: rgba(248, 113, 113, .12)}}*{box-sizing:border-box}body{margin:0}h1,h2{font-family:var(--sans);font-weight:600;color:var(--text-h);margin:0 0 8px}h1{font-size:28px;letter-spacing:-.4px}h2{font-size:18px}p{margin:0}code{font-family:var(--mono);font-size:.9em;padding:2px 6px;border-radius:4px;background:var(--code-bg);color:var(--text-h)}a{color:var(--accent)}.shell{display:flex;min-height:100svh}.nav{width:240px;flex:none;border-right:1px solid var(--border);padding:24px 16px;position:sticky;top:0;height:100svh;overflow-y:auto}.nav-brand{font-weight:700;font-size:15px;color:var(--text-h);margin-bottom:20px;display:flex;flex-direction:column;line-height:1.3}.nav-brand span{font-weight:400;color:var(--text);font-size:13px}.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.nav a{display:flex;flex-direction:column;gap:1px;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--text)}.nav a:hover{background:var(--bg-raised)}.nav a.active{background:var(--accent-bg);color:var(--text-h)}.nav-label{font-size:14px;font-weight:600;color:inherit}.nav-tagline{font-size:11.5px;color:var(--text);opacity:.8}.content{flex:1;padding:32px 40px 80px;max-width:760px}@media(max-width:720px){.shell{flex-direction:column}.nav{width:100%;height:auto;position:static;border-right:none;border-bottom:1px solid var(--border)}.content{padding:24px}}.stack{display:flex;flex-direction:column;gap:20px}.row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.page-header p{margin-top:6px;max-width:60ch}.card{border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:12px;background:var(--bg-raised)}.card.center{align-items:center;text-align:center}.muted{color:var(--text);opacity:.85;font-size:14px}.muted.small{font-size:12.5px}.btn{font:inherit;font-size:14px;font-weight:600;padding:9px 16px;border-radius:8px;border:1px solid transparent;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;color:#fff;background:var(--accent);transition:opacity .15s ease}.btn:hover{opacity:.88}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--text-h);border-color:var(--border)}.btn-danger{background:var(--danger)}.cta-demo{font-size:15px;padding:12px 22px}.text-input{font:inherit;font-size:14px;padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text-h);min-width:220px}.field{display:flex;flex-direction:column;gap:4px;font-size:13px}.kv{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.kv-key{font-size:12.5px;color:var(--text);opacity:.75}.kv-value{font-size:13px}.funnel-steps{display:flex;gap:8px;list-style:none;margin:0;padding:0;flex-wrap:wrap}.funnel-steps li{padding:6px 12px;border-radius:999px;border:1px solid var(--border);font-size:13px;color:var(--text)}.funnel-steps li.active{border-color:var(--accent);color:var(--text-h);font-weight:600}.funnel-steps li.done{opacity:.6;text-decoration:line-through}.demo-banner{padding:14px 16px;border-radius:10px;background:var(--accent-bg);color:var(--text-h);font-weight:600}.prose{display:flex;flex-direction:column;gap:14px;max-width:62ch;font-size:14.5px;line-height:1.65}.shift-block{padding:16px;border-radius:10px;background:var(--danger-bg);color:var(--text-h);font-weight:600}.heavy-image{width:100%;height:auto;border-radius:10px;display:block}.result-block{font-family:var(--mono);font-size:12.5px;background:var(--code-bg);padding:12px;border-radius:8px;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.toast-stack{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:1000;max-width:min(360px,calc(100vw - 40px))}.toast{background:var(--text-h);color:var(--bg);border-radius:10px;padding:10px 14px;font-size:13px;box-shadow:0 8px 24px #00000040;display:flex;flex-direction:column;gap:4px;animation:toast-in .15s ease-out}.toast code{background:#ffffff1f;color:inherit;font-size:11.5px;white-space:pre-wrap;word-break:break-word}@keyframes toast-in{0%{transform:translateY(6px);opacity:0}to{transform:translateY(0);opacity:1}}