:root{--bg:#0b1020;--card:#111a33;--text:#e9ecff;--muted:#a8b0d9;--link:#8ab4ff;--accent:#6ee7ff;}
*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,Segoe UI,Roboto,Arial; background:linear-gradient(180deg,#070a14, #0b1020 40%, #070a14); color:var(--text);}a{color:var(--link);}header{position:sticky;top:0;background:rgba(7,10,20,.85);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06);}
nav{max-width:980px;margin:0 auto;display:flex;gap:14px;align-items:center;padding:12px 16px;flex-wrap:wrap}
nav .brand{font-weight:700;color:var(--text);text-decoration:none}
nav a{opacity:.9;text-decoration:none}
nav a:hover{opacity:1;text-decoration:underline}
main{max-width:980px;margin:0 auto;padding:22px 16px 80px}
.card{background:rgba(17,26,51,.72);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:18px 18px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.muted{color:var(--muted)}
#content h1,#content h2,#content h3{margin-top:22px}
#content code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:8px}
#content pre{background:rgba(0,0,0,.35);padding:14px;border-radius:12px;overflow:auto}
.footer{margin-top:18px;font-size:13px;color:var(--muted)}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;border:1px solid rgba(255,255,255,.18);font-size:12px;color:var(--accent)}