:root { --bg:#f8fafc; --card:#ffffff; --tx:#0f172a; --mt:#475569; --bd:#e2e8f0; --ac:#2563eb; --code:#0f172a; --ctx:#e2e8f0; }
[data-theme="dark"] { --bg:#0b1120; --card:#111827; --tx:#f1f5f9; --mt:#94a3b8; --bd:#1f2937; --ac:#38bdf8; --code:#020617; --ctx:#e2e8f0; }
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--tx);line-height:1.65;transition:background .2s,color .2s}
.wrap{max-width:920px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--bd);background:var(--card);position:sticky;top:0;z-index:20}
.nav{height:62px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{font-weight:800;font-size:17px;text-decoration:none;color:var(--tx);display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:3px;background:var(--ac);display:inline-block}
.links{display:flex;align-items:center;gap:18px;font-size:14px}
.links a{color:var(--mt);text-decoration:none;font-weight:500}
.links a:hover{color:var(--tx)}
.theme-btn{border:1px solid var(--bd);background:var(--bg);color:var(--tx);padding:6px 12px;border-radius:8px;font-size:13px;cursor:pointer}
.hero{padding:44px 0 28px}
.hero h1{font-size:clamp(26px,4vw,34px);margin-bottom:10px}
.hero p{color:var(--mt);max-width:640px;margin-bottom:20px}
.controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:24px}
.search{flex:1;min-width:220px;padding:10px 14px;border:1px solid var(--bd);border-radius:9px;background:var(--card);color:var(--tx);font-size:14px;outline:none}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{border:1px solid var(--bd);background:var(--card);color:var(--mt);padding:6px 12px;border-radius:999px;font-size:13px;cursor:pointer}
.tag.active{background:var(--ac);color:#fff;border-color:var(--ac)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px;padding-bottom:48px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:22px;text-decoration:none;color:inherit;display:flex;flex-direction:column;justify-content:space-between;transition:.15s}
.card:hover{border-color:var(--ac);transform:translateY(-2px)}
.pill{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--ac);letter-spacing:.05em;margin-bottom:8px}
.card h2{font-size:18px;margin-bottom:8px}
.card p{font-size:14px;color:var(--mt);margin-bottom:16px}
.meta{font-size:12px;color:var(--mt);display:flex;justify-content:space-between}
article{background:var(--card);border:1px solid var(--bd);border-radius:12px;padding:34px;margin:32px 0}
article h1{font-size:28px;margin-bottom:8px}
article h2{font-size:20px;margin:28px 0 10px}
article p,article li{color:var(--mt);margin-bottom:12px}
article ul{padding-left:20px}
pre{background:var(--code);color:var(--ctx);padding:16px;border-radius:10px;overflow-x:auto;font-size:13px;margin:14px 0 20px;position:relative}
.copy-btn{position:absolute;top:10px;right:10px;background:#334155;color:#fff;border:0;padding:4px 9px;border-radius:6px;font-size:11px;cursor:pointer}
footer{border-top:1px solid var(--bd);padding:24px 0;font-size:13px;color:var(--mt);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
@media(max-width:640px){.links a.hide-m{display:none}article{padding:22px}}