:root{
  --primary:#1E3A8A; --primary-light:#3454b4; --secondary:#10B981;
  --accent:#F59E0B; --danger:#EF4444; --bg:#F3F4F6; --card:#FFFFFF;
  --text:#111827; --muted:#6B7280; --border:#E5E7EB;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);}
a{color:var(--primary);text-decoration:none}
.topbar{background:var(--primary);color:#fff;padding:14px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.topbar .brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:8px}
.topbar .navlinks a{color:#dbe4ff;margin-left:16px;font-size:14px}
.topbar .navlinks a:hover{color:#fff}
.container{max-width:1200px;margin:0 auto;padding:24px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
h1,h2,h3{margin-top:0}
.btn{display:inline-block;background:var(--primary);color:#fff;border:none;padding:10px 18px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600}
.btn:hover{background:var(--primary-light)}
.btn-green{background:var(--secondary)} .btn-green:hover{background:#0ea371}
.btn-orange{background:var(--accent)} .btn-orange:hover{background:#d98a08}
.btn-red{background:var(--danger)} .btn-red:hover{background:#dc2626}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-sm{padding:6px 12px;font-size:12px}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;margin-bottom:12px}
label{font-weight:600;font-size:13px;color:var(--muted);display:block;margin-bottom:4px}
table{width:100%;border-collapse:collapse}
table th,table td{text-align:left;padding:10px;border-bottom:1px solid var(--border);font-size:14px}
table th{color:var(--muted);font-size:12px;text-transform:uppercase}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.badge-green{background:#d1fae5;color:#065f46}
.badge-orange{background:#fef3c7;color:#92400e}
.badge-red{background:#fee2e2;color:#991b1b}
.badge-blue{background:#dbeafe;color:#1e40af}
.badge-gray{background:#f3f4f6;color:#374151}
.metric{text-align:center;padding:14px}
.metric .val{font-size:26px;font-weight:700;color:var(--primary)}
.metric .lbl{font-size:12px;color:var(--muted);text-transform:uppercase}
.up{color:var(--secondary)} .down{color:var(--danger)}
.flash{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:14px}
.flash-success{background:#d1fae5;color:#065f46}
.flash-error{background:#fee2e2;color:#991b1b}
.slider-row{margin-bottom:18px}
.slider-row .val{float:right;font-weight:700;color:var(--primary)}
input[type=range]{width:100%;accent-color:var(--primary)}
.help{font-size:12px;color:var(--muted);margin-top:-8px;margin-bottom:12px}
.center{text-align:center}
.rank-1{color:#b8860b;font-weight:700}
.rank-2{color:#71797E;font-weight:700}
.rank-3{color:#8B5A2B;font-weight:700}
.login-wrap{max-width:420px;margin:60px auto}
.tag{font-size:11px;background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:2px 8px;margin-left:6px;color:var(--muted)}