:root{
  --bg:#0f1115; --fg:#e6e8ef; --muted:#9aa3b2; --card:#151925; --accent:#6aa1ff; --accent-2:#9b87f5; --ok:#3ad29f;
  --radius:18px; --shadow:0 8px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:880px;margin:0 auto;padding:24px}
.header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:8px 0 24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:var(--shadow)}
.brand-name{font-weight:700;font-size:20px;letter-spacing:.3px}
.nav a{margin-left:16px;color:var(--muted)}
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.tag{display:inline-block;padding:4px 10px;border-radius:999px;background:#1a2030;color:var(--muted);font-size:12px;margin-right:6px}
.footer{opacity:.7;margin:32px 0 12px;font-size:13px}
.meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:6px}
h1,h2,h3{line-height:1.2}
h1{font-size:32px;margin:.2em 0 .6em}
h2{font-size:20px;margin:1.2em 0 .6em}
pre,code{background:#111523;border-radius:10px;padding:2px 6px}
.copy-btn, .theme-btn, .share-btn{
  border:0;border-radius:12px;background:#1a2030;color:#c9d1e4;padding:8px 12px;cursor:pointer
}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.hero{display:flex;gap:16px;align-items:center}
.hero .today{font-size:13px;color:var(--muted)}
.hero h1{margin:0}
article{line-height:1.7}
article p{margin:.6em 0}
blockquote{margin:8px 0 8px 12px;padding-left:12px;border-left:3px solid #2a3350;color:#c5cce0}
hr{border:0;border-top:1px solid #262c3f;margin:18px 0}
@media (max-width:600px){.nav{display:none}}