:root{color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:#0c0a08;color:#d7d1c7;font-family:Inter,system-ui,sans-serif}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 15% 0,rgba(124,58,237,.18),transparent 32rem),radial-gradient(circle at 90% 10%,rgba(217,119,6,.12),transparent 28rem)}
.shell{position:relative;z-index:1;width:min(100% - 2rem,1080px);margin:auto;padding:1.25rem 0 3rem}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 0 2.5rem}
.brand{display:flex;align-items:center;gap:.7rem;color:#fff;font-family:Georgia,serif;font-size:1.35rem;font-weight:700;letter-spacing:.04em}
.brand-mark{display:grid;place-items:center;width:2.35rem;height:2.35rem;border-radius:.8rem;background:linear-gradient(135deg,#7c3aed,#d97706);color:#fff;font-family:Georgia,serif;font-size:1.15rem}
.back{border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:.6rem .9rem;color:#d8b4fe;font-size:.78rem;transition:.2s}
.back:hover{border-color:rgba(216,180,254,.5);background:rgba(255,255,255,.05);color:#fff}
.hero{border:1px solid rgba(255,255,255,.1);border-radius:1.5rem;padding:2rem;background:linear-gradient(135deg,rgba(124,58,237,.18),rgba(255,255,255,.035) 55%,rgba(217,119,6,.1));box-shadow:0 24px 70px rgba(0,0,0,.2)}
.eyebrow{margin:0;color:#c4b5fd;font-size:.7rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase}
h1{margin:.65rem 0 0;color:#fff;font-family:Georgia,serif;font-size:clamp(2rem,5vw,3.5rem);line-height:1.08}
.updated{margin:.8rem 0 0;color:#94a3b8;font-size:.78rem}
.layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:1.5rem;margin-top:1.5rem}
.toc{align-self:start;position:sticky;top:1rem;border:1px solid rgba(255,255,255,.08);border-radius:1rem;padding:1rem;background:rgba(255,255,255,.035)}
.toc-label{margin:0 0 .7rem;color:#94a3b8;font-size:.65rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.toc a{display:block;padding:.42rem 0;color:#a8a29e;font-size:.78rem}.toc a:hover{color:#fcd34d}
.content{border:1px solid rgba(255,255,255,.1);border-radius:1.5rem;padding:clamp(1.25rem,4vw,2.5rem);background:rgba(12,10,8,.72);box-shadow:0 18px 50px rgba(0,0,0,.18)}
.content h2{margin:2rem 0 .65rem;color:#fef3c7;font-family:Georgia,serif;font-size:1.35rem}.content h2:first-child{margin-top:0}
.content p{margin:.75rem 0;color:#b8b0a5;font-size:1rem;line-height:1.85}.content strong{color:#fff}
.footer{margin-top:1.5rem;color:#78716c;font-size:.72rem;text-align:center}
@media(max-width:700px){.shell{width:min(100% - 1.25rem,1080px);padding-top:.5rem}.topbar{padding-bottom:1.5rem}.brand{font-size:1.1rem}.back{padding:.5rem .7rem;font-size:.7rem}.hero{padding:1.4rem;border-radius:1.2rem}.layout{display:block}.toc{position:static;margin-bottom:1rem}.toc a{display:inline-block;margin-right:.8rem}.content{border-radius:1.2rem;padding:1.25rem}.content p{font-size:.94rem;line-height:1.8}}