:root{--bg: #0f172a;--bg-2: #1e293b;--fg: #f1f5f9;--muted: #94a3b8;--amber: #f59e0b;--amber-soft: #fbbf24;--line: rgba(245, 158, 11, .25);--panel: rgba(30, 41, 59, .55)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:linear-gradient(135deg,var(--bg) 0%,var(--bg-2) 50%,var(--bg) 100%);color:var(--fg);min-height:100vh;line-height:1.55}a{color:var(--amber-soft);text-decoration:none}a:hover{text-decoration:underline}.page{max-width:880px;margin:0 auto;padding:48px 24px 80px}.hero{text-align:center;margin-bottom:40px}.series-badge{display:inline-block;background:linear-gradient(90deg,#b45309,var(--amber));color:#fff;font-size:13px;font-weight:700;letter-spacing:2px;padding:6px 16px;border-radius:999px;margin-bottom:18px}.hero h1{font-size:clamp(40px,7vw,64px);font-weight:800;letter-spacing:-.02em}.hero .grad{background:linear-gradient(90deg,var(--amber),var(--amber-soft));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.lead{color:var(--muted);margin-top:12px;font-size:17px}.control{display:flex;gap:12px;margin-bottom:24px}.topic{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:14px;color:var(--fg);font-size:17px;padding:14px 18px;outline:none}.topic:focus{border-color:var(--amber)}.topic:disabled{opacity:.6}.go{background:linear-gradient(135deg,#b45309,var(--amber));color:#fff;font-size:16px;font-weight:700;border:none;border-radius:14px;padding:0 24px;cursor:pointer;min-width:130px;transition:transform .15s,opacity .15s}.go:hover:not(:disabled){transform:translateY(-1px)}.go:disabled{opacity:.4;cursor:not-allowed}.starters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.starter{background:transparent;border:1px solid var(--line);color:var(--muted);padding:8px 14px;border-radius:999px;font-size:14px;cursor:pointer}.starter:hover{color:var(--amber-soft);border-color:var(--amber)}.pipeline{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin:32px 0}@media(max-width:600px){.pipeline{grid-template-columns:1fr}}.stage{background:var(--panel);border:1px solid rgba(148,163,184,.18);border-radius:14px;padding:18px;display:flex;flex-direction:column;align-items:center;gap:8px;position:relative;transition:border-color .3s}.stage__icon{font-size:32px}.stage__label{font-weight:600;color:var(--muted)}.stage--active{border-color:var(--amber);background:#f59e0b14}.stage--active .stage__label{color:var(--amber-soft)}.stage--done{border-color:#22c55e66}.stage--done .stage__label{color:#4ade80}.spinner{width:18px;height:18px;border:2px solid var(--amber);border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}.check{font-size:18px;color:#4ade80;font-weight:700}@keyframes spin{to{transform:rotate(360deg)}}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:18px}.panel summary{cursor:pointer;font-weight:700;color:var(--amber-soft);margin-bottom:12px;-webkit-user-select:none;user-select:none}.panel.final{background:linear-gradient(135deg,#f59e0b0f,#1e293bb3);border-color:var(--amber)}.panel.final h2{margin-bottom:16px;color:var(--amber-soft)}.facts{list-style:none}.facts li{padding:12px 0;border-top:1px solid rgba(148,163,184,.12)}.facts li:first-child{border-top:0;padding-top:0}.facts a{font-weight:600}.facts p{color:var(--muted);margin-top:4px;font-size:14px}.markdown h1{font-size:28px;margin-bottom:14px}.markdown h2{font-size:22px;margin:20px 0 10px;color:var(--amber-soft)}.markdown p{margin-bottom:14px}.markdown a{color:var(--amber-soft)}.markdown code{background:#f59e0b1f;padding:2px 6px;border-radius:4px;font-size:.9em}.error{background:#ef44441a;border:1px solid rgba(239,68,68,.4);color:#fca5a5;padding:14px 18px;border-radius:12px;margin-bottom:16px}.footer{margin-top:60px;text-align:center;color:var(--muted);font-size:14px}.dot{margin:0 10px;opacity:.4}