:root{--bg:#0b1020;--card:#121a33;--muted:#6b7393;--accent:#7dd3fc;--success:#22c55e;--danger:#ef4444;--warning:#f59e0b;--text:#f1f5f9}
*{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)}
.container{max-width:1050px;margin:0 auto;padding:24px}
.card{background:var(--card);border:1px solid #1f2a4d;border-radius:16px;padding:20px;box-shadow:0 6px 24px rgba(0,0,0,.18)}
header.nav{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:16px 24px;background:#0f162c;border-bottom:1px solid #1f2a4d;position:sticky;top:0;z-index:2}
.brand{font-weight:800;letter-spacing:.3px}
.brand a{color:var(--text);text-decoration:none}
.navlinks a{color:var(--muted);text-decoration:none;margin-left:16px}
.navlinks a.active,.navlinks a:hover{color:var(--accent)}
input,select,button,textarea{border-radius:10px;border:1px solid #22305d;background:#0e1630;color:var(--text);padding:10px 12px}
label{display:block;margin:6px 0;font-size:.92rem;color:#cbd5e1}
button{cursor:pointer}
.btn{background:#1e40af;border-color:#1e3a8a}
.btn:hover{filter:brightness(1.05)}
.btn-success{background:#166534;border-color:#14532d}
.btn-danger{background:#7f1d1d;border-color:#6b1818}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid #1f2a4d;padding:10px 8px;text-align:left}
.badge{font-size:.78rem;padding:4px 8px;border-radius:999px;border:1px solid #1f2a4d;color:#cbd5e1}
.badge.ok{background:#0c2e1a;border-color:#14532d;color:#8ef0b7}
.badge.warn{background:#2d2816;border-color:#3a2f10;color:#ffd579}
.alert{padding:12px 14px;border-radius:12px;margin:12px 0}
.alert.success{background:#102818;border:1px solid #14532d}
.alert.error{background:#2a1313;border:1px solid #6b1818}
.small{font-size:.9rem;color:var(--muted)}
.hero{padding:48px 0}
.hero h1{margin:0 0 10px 0;font-size:2.1rem}
.hero p{margin:0 0 20px 0;color:#cbd5e1}
footer{padding:22px;color:#9aa3bf;text-align:center}