:root { --bg:#0f172a; --txt:#e2e8f0; --muted:#94a3b8; --accent:#38bdf8; }
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial,'Apple Color Emoji','Segoe UI Emoji','Segoe UI Symbol';background:var(--bg);color:var(--txt)}
a{color:var(--accent);text-decoration:none}
a:hover{opacity:.9}
.container{max-width:960px;margin:0 auto;padding:24px}
.nav{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.nav a{padding:8px 12px;border:1px solid #23314d;border-radius:12px;background:#0b1222}
.card{border:1px solid #23314d;background:#0b1222;border-radius:16px;padding:20px;margin:12px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;background:var(--accent);color:#001b2a;font-weight:700}
.footer{margin-top:40px;color:var(--muted);font-size:14px}
h1{font-size:32px;margin:0 0 8px}
h2{font-size:22px;margin:24px 0 8px}
.tag{font-size:12px;border:1px solid #2a3b5f;border-radius:999px;padding:4px 10px;color:var(--muted)}
.badge{background:#12213a;border:1px solid #22324e;padding:6px 10px;border-radius:10px;color:#a3bffa}
pre{overflow:auto;background:#0b1222;border:1px solid #23314d;border-radius:12px;padding:12px}
code{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}
hr{border:0;border-top:1px solid #22324e;margin:24px 0}
input,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid #23314d;background:#0b1222;color:var(--txt)}
label{display:block;margin:10px 0 4px;color:var(--muted)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:600px){form .row{grid-template-columns:1fr}}