:root{font-family:system-ui,Segoe UI,Roboto,Arial;}
body{margin:0;background:#0b0f16;color:#e9eef7;}
header{padding:18px 16px;border-bottom:1px solid #1b2535;position:sticky;top:0;background:#0b0f16;z-index:10;}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:28px;height:28px;border-radius:8px;background:#1d2b41;display:inline-flex;align-items:center;justify-content:center;font-weight:700;}
.container{max-width:1100px;margin:0 auto;padding:16px;}
.hero{padding:18px 0 10px;display:grid;grid-template-columns:1.3fr 1fr;gap:14px;align-items:start;}
.card{background:#0f1623;border:1px solid #1b2535;border-radius:14px;padding:14px;}
input,select,button{border-radius:10px;border:1px solid #263246;background:#0b0f16;color:#e9eef7;padding:10px;font-size:14px;}
button{cursor:pointer}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.item{padding:12px;border-radius:14px;background:#0f1623;border:1px solid #1b2535;}
.item h3{margin:0 0 6px;font-size:16px}
.muted{color:#98a7bf;font-size:13px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.footer{padding:18px 16px;border-top:1px solid #1b2535;color:#98a7bf;font-size:13px}
@media (max-width: 900px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}}