:root{
    --bg:#0a1322;--side:#0e1a2f;--panel:#111f37;--line:#223452;--text:#eef3fb;--muted:#9fb0cc;--brand:#ff8a00;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.admin-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.admin-sidebar{background:var(--side);border-right:1px solid rgba(255,255,255,.06);padding:24px;position:sticky;top:0;height:100vh}
.admin-brand{display:block;font-size:24px;font-weight:800;margin-bottom:24px}
.admin-sidebar nav{display:grid;gap:8px}
.admin-sidebar nav a{padding:12px 14px;border-radius:14px;color:var(--muted)}
.admin-sidebar nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.admin-content{padding:28px}
.admin-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.panel{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:22px}
.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:22px}
.stat-card{background:var(--panel);border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:18px}
.stat-card strong{display:block;font-size:30px}
.stat-card span{color:var(--muted)}
.admin-table{width:100%;border-collapse:collapse}
.admin-table th,.admin-table td{padding:14px 12px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left;vertical-align:top}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions .danger,.danger{color:#ff8f8f}
.btn-small{display:inline-flex;padding:12px 16px;background:var(--brand);color:#111;border-radius:14px;font-weight:800}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form-grid label{display:block;font-weight:700}
.form-grid textarea,.form-grid input,.form-grid select{width:100%;margin-top:8px;background:#0c172a;border:1px solid var(--line);border-radius:14px;color:#fff;padding:14px 16px}
.form-actions{grid-column:1 / -1}
.form-actions button{background:var(--brand);color:#111;border:none;border-radius:14px;padding:14px 20px;font-weight:800;cursor:pointer}
.notice{padding:14px 16px;border-radius:14px;margin-bottom:18px}
.notice.success{background:rgba(17,180,104,.12);border:1px solid rgba(17,180,104,.35)}
.notice.error{background:rgba(255,82,82,.12);border:1px solid rgba(255,82,82,.35)}
.auth-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,rgba(255,138,0,.18),transparent 35%),#08111d}
.auth-card{width:min(460px,92vw);background:var(--panel);border:1px solid rgba(255,255,255,.08);padding:28px;border-radius:28px}
.auth-card label{display:block;margin-bottom:16px;font-weight:700}
.auth-card input{width:100%;margin-top:8px;background:#0c172a;border:1px solid var(--line);border-radius:14px;color:#fff;padding:14px 16px}
.auth-card button{width:100%;background:var(--brand);border:none;border-radius:14px;padding:14px 18px;font-weight:800;margin-top:8px}
@media (max-width:1080px){
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .admin-shell{grid-template-columns:1fr}
    .admin-sidebar{position:relative;height:auto}
    .form-grid{grid-template-columns:1fr}
}

.full-row{grid-column:1 / -1}
.seo-card{background:linear-gradient(135deg,rgba(255,138,0,.12),rgba(56,189,248,.08));border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:18px}
.seo-card h2{margin:0 0 8px;font-size:20px}.seo-card p{margin:0;color:var(--muted)}
.palette-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}
.palette-btn{border:1px solid rgba(255,255,255,.12);background:#0c172a;color:#fff;border-radius:16px;padding:12px;cursor:pointer;font-weight:800;text-align:left;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.palette-btn:hover{border-color:var(--brand);transform:translateY(-1px)}
.palette-btn span{width:22px;height:22px;border-radius:50%;display:inline-block;border:1px solid rgba(255,255,255,.35)}
@media(max-width:1080px){.palette-grid{grid-template-columns:1fr}}