:root{
  --bg:#0b1020; --surface:#ffffff; --ink:#0f1729; --muted:#5b6479;
  --line:#e6e8ef; --brand:#0e7c66; --brand-2:#0a5f4f; --accent:#e8b14a;
  --danger:#b3261e; --ok:#107c41; --radius:14px;
  --shadow:0 6px 24px rgba(15,23,41,.06);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}html,body{margin:0;color:var(--ink);background:#f6f7fb}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{display:flex;align-items:center;gap:24px;height:64px}
.brand{font-weight:700;font-size:18px;color:var(--ink)}.brand span{color:var(--muted);font-weight:400}
nav{display:flex;gap:18px;flex:1;margin-left:24px}
nav a{color:var(--ink);font-size:14px}
.auth{display:flex;gap:8px}
.btn-primary,.btn-ghost,.btn-danger{display:inline-block;padding:9px 14px;border-radius:10px;font-size:14px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-2);text-decoration:none}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}.btn-ghost:hover{background:#f1f3f8;text-decoration:none}
.btn-danger{background:var(--danger);color:#fff}
.hero{background:linear-gradient(135deg,#0e7c66 0%, #0b3a4a 100%);color:#fff;padding:88px 0}
.hero h1{font-size:44px;margin:0 0 12px;line-height:1.1}
.hero p{font-size:18px;opacity:.9;max-width:680px}
.hero .cta{margin-top:24px;display:flex;gap:12px}
.section{padding:64px 0}
.section h2{font-size:28px;margin:0 0 8px}
.section .lede{color:var(--muted);max-width:720px;margin-bottom:28px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:820px){.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}.nav{flex-wrap:wrap;height:auto;padding:12px 0}nav{order:3;width:100%;margin:0;overflow-x:auto}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin:0 0 6px;font-size:18px}.card p{color:var(--muted);margin:0}
.site-footer{background:#0b1020;color:#cfd5e3;margin-top:60px;padding:48px 0 20px}
.site-footer a{color:#cfd5e3;display:block;margin:4px 0;font-size:14px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot h4{color:#fff;margin:0 0 8px;font-size:14px;letter-spacing:.05em;text-transform:uppercase}
.copy{border-top:1px solid #1c2540;margin-top:28px;padding-top:16px;font-size:13px;color:#8b93a9}
@media (max-width:820px){.foot{grid-template-columns:1fr 1fr}}
.flash{padding:12px 14px;border-radius:10px;margin:16px 0;font-size:14px}
.flash.success{background:#e7f5ee;color:#0b5132;border:1px solid #b8e0c9}
.flash.error{background:#fde7e7;color:#7a1a14;border:1px solid #f5b8b4}
form.stack{display:grid;gap:12px;max-width:480px}
form.stack label{font-size:13px;color:var(--muted);font-weight:600}
form.stack input,form.stack select,form.stack textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
form.stack textarea{min-height:120px;resize:vertical}
.auth-card{max-width:440px;margin:60px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:top}
.table th{background:#f6f7fb;font-weight:600;color:var(--muted);text-transform:uppercase;font-size:12px;letter-spacing:.04em}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}
.badge.pre_active{background:#fff4d6;color:#7a5400}
.badge.active{background:#e0f5e9;color:#0b5132}
.badge.suspended{background:#fde7e7;color:#7a1a14}
.tag{display:inline-block;background:#eef1f7;color:#0f1729;padding:2px 8px;border-radius:999px;font-size:12px;margin-right:6px}
.muted{color:var(--muted)} .right{text-align:right}
.toolbar{display:flex;gap:10px;align-items:center;margin:16px 0;flex-wrap:wrap}
.toolbar input[type="search"]{flex:1;min-width:220px;padding:10px 12px;border:1px solid var(--line);border-radius:10px}