:root{--bg:#0b0f1a;--card:#111827;--border:#1f2937;--text:#e6e6e6;--muted:#c9d1d9;--accent:#3b82f6}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;background:var(--bg);color:var(--text)}
.wrap{max-width:980px;margin:0 auto;padding:48px 20px}
nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
a{color:#93c5fd;text-decoration:none}
nav a{color:var(--text);opacity:.8}nav a:hover{opacity:1}
h1{margin:24px 0 8px;font-size:32px}p{margin:8px 0 16px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;margin-top:20px}
.btn{display:inline-block;padding:12px 18px;border-radius:10px;border:1px solid var(--accent)}
.btn:hover{background:#1e3a8a}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
footer{margin-top:40px;color:#9aa4b2}
.logo{width:36px;height:36px;border-radius:9px;background:#1e293b;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.active{border-bottom:2px solid var(--accent)}