:root{
    --adm-primary:#0066ff;
    --adm-primary-dark:#0052d9;
    --adm-primary-light:#fef2f2;
    --adm-sidebar:260px;
    --adm-bg:#f1f5f9;
    --adm-card:#fff;
    --adm-border:#e2e8f0;
    --adm-text:#0f172a;
    --adm-muted:#64748b;
    --adm-success:#16a34a;
    --adm-warning:#ca8a04;
    --adm-danger:#dc2626;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body.admin-body,body.admin-auth{
    font-family:'Inter',system-ui,sans-serif;
    color:var(--adm-text);
    background:var(--adm-bg);
    min-height:100vh;
}
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{
    width:var(--adm-sidebar);
    background:#0f172a;
    color:#cbd5e1;
    display:flex;
    flex-direction:column;
    position:fixed;
    inset:0 auto 0 0;
    z-index:200;
    overflow-y:auto;
}
.admin-brand{
    display:flex;align-items:center;gap:10px;
    padding:22px 20px;
    font-size:18px;font-weight:700;color:#fff;
    text-decoration:none;border-bottom:1px solid rgba(255,255,255,.08);
}
.admin-brand span{
    width:34px;height:34px;background:var(--adm-primary);
    border-radius:8px;display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:16px;
}
.admin-nav{flex:1;padding:12px 10px}
.admin-nav a{
    display:block;padding:11px 14px;margin-bottom:4px;
    border-radius:8px;color:#94a3b8;text-decoration:none;
    font-size:14px;font-weight:500;transition:all .15s;
}
.admin-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.admin-nav a.active{background:var(--adm-primary);color:#fff;font-weight:600}
.admin-sidebar-foot{
    padding:16px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-direction:column;gap:6px;
}
.admin-sidebar-foot a{
    color:#94a3b8;text-decoration:none;font-size:13px;padding:8px 10px;border-radius:6px;
}
.admin-sidebar-foot a:hover{color:#fff;background:rgba(255,255,255,.06)}
.admin-main{margin-left:var(--adm-sidebar);flex:1;min-height:100vh;display:flex;flex-direction:column}
.admin-topbar{
    height:60px;background:var(--adm-card);border-bottom:1px solid var(--adm-border);
    display:flex;align-items:center;padding:0 24px;gap:16px;position:sticky;top:0;z-index:100;
}
.admin-topbar h1{font-size:20px;font-weight:700;flex:1}
.admin-menu-btn{
    display:none;background:none;border:1px solid var(--adm-border);
    border-radius:8px;padding:8px 12px;cursor:pointer;font-size:18px;
}
.admin-user{font-size:13px;color:var(--adm-muted);background:#f8fafc;padding:8px 14px;border-radius:20px}
.admin-content{padding:24px;flex:1}
.admin-alert{
    padding:12px 16px;border-radius:8px;margin-bottom:20px;
    font-size:14px;font-weight:500;
}
.admin-alert.success,.admin-alert.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.admin-alert.success{background:#dcfce7;color:#15803d;border-color:#bbf7d0}
.admin-stats{
    display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
    gap:16px;margin-bottom:24px;
}
.admin-stat{
    background:var(--adm-card);border:1px solid var(--adm-border);
    border-radius:12px;padding:18px 20px;
}
.admin-stat span{display:block;font-size:12px;color:var(--adm-muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px;margin-bottom:8px}
.admin-stat strong{font-size:26px;font-weight:800}
.admin-stat.warn{border-color:#fde68a;background:#fffbeb}
.admin-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.admin-card{
    background:var(--adm-card);border:1px solid var(--adm-border);
    border-radius:12px;padding:24px;margin-bottom:20px;
}
.admin-card h3{font-size:16px;font-weight:700;margin-bottom:16px}
.admin-actions{display:flex;flex-wrap:wrap;gap:10px}
.admin-btn{
    display:inline-flex;align-items:center;justify-content:center;
    padding:10px 18px;border-radius:8px;font-size:13px;font-weight:600;
    border:1px solid var(--adm-border);background:#fff;color:var(--adm-text);
    text-decoration:none;cursor:pointer;font-family:inherit;transition:all .15s;
}
.admin-btn:hover{border-color:var(--adm-primary);color:var(--adm-primary)}
.admin-btn.primary{background:var(--adm-primary);color:#fff;border-color:var(--adm-primary)}
.admin-btn.primary:hover{background:var(--adm-primary-dark);color:#fff}
.admin-btn.sm{padding:6px 12px;font-size:12px}
.admin-btn.outline{background:transparent}
.admin-kv{list-style:none}
.admin-kv li{
    display:flex;justify-content:space-between;align-items:center;
    padding:12px 0;border-bottom:1px solid var(--adm-border);font-size:14px;
}
.admin-kv li:last-child{border-bottom:none}
.admin-kv span{color:var(--adm-muted)}
.admin-table-wrap{overflow-x:auto;margin-top:8px}
.admin-table{width:100%;border-collapse:collapse;min-width:640px}
.admin-table th{
    text-align:left;padding:10px 14px;font-size:11px;font-weight:700;
    color:var(--adm-muted);text-transform:uppercase;letter-spacing:.4px;
    border-bottom:1px solid var(--adm-border);background:#f8fafc;
}
.admin-table td{padding:12px 14px;font-size:14px;border-bottom:1px solid var(--adm-border);vertical-align:middle}
.admin-table tr:last-child td{border-bottom:none}
.admin-table tr:hover td{background:#fafbfc}
.admin-tag{
    display:inline-block;padding:3px 10px;border-radius:20px;
    font-size:11px;font-weight:700;background:#f1f5f9;color:var(--adm-muted);
}
.admin-tag.green{background:#dcfce7;color:#15803d}
.admin-tag.red{background:#fef2f2;color:#991b1b}
.admin-muted{color:var(--adm-muted);font-size:14px}
.admin-inline-form{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.admin-inline-form input,.admin-inline-form select{
    padding:6px 10px;border:1px solid var(--adm-border);border-radius:6px;
    font-size:12px;font-family:inherit;
}
.admin-user-actions{display:flex;flex-direction:column;gap:8px;min-width:200px}
.admin-user-actions form{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.admin-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.admin-form-grid label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.admin-form-grid input,.admin-form-grid select,.admin-form-grid textarea{
    width:100%;padding:10px 12px;border:1px solid var(--adm-border);
    border-radius:8px;font-size:14px;font-family:inherit;
}
.admin-form-grid textarea{min-height:80px;resize:vertical}
.admin-auth{
    display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#0f172a,#1e293b);
    padding:24px;
}
.admin-auth-card{
    background:#fff;border-radius:16px;padding:40px 32px;
    width:100%;max-width:400px;box-shadow:0 24px 60px rgba(0,0,0,.25);
    text-align:center;
}
.admin-auth-logo{
    width:56px;height:56px;margin:0 auto 16px;
    background:var(--adm-primary);color:#fff;border-radius:14px;
    display:flex;align-items:center;justify-content:center;
    font-size:28px;font-weight:800;
}
.admin-auth-card h1{font-size:22px;font-weight:800;margin-bottom:6px}
.admin-auth-card>p{color:var(--adm-muted);font-size:14px;margin-bottom:24px}
.admin-auth-card label{
    display:block;text-align:left;font-size:13px;font-weight:600;
    margin-bottom:6px;margin-top:14px;
}
.admin-auth-card input{
    width:100%;padding:12px 14px;border:1px solid var(--adm-border);
    border-radius:8px;font-size:14px;font-family:inherit;
}
.admin-auth-card input:focus{outline:none;border-color:var(--adm-primary);box-shadow:0 0 0 3px rgba(220,38,38,.1)}
.admin-auth-card button{
    width:100%;margin-top:24px;padding:14px;
    background:var(--adm-primary);color:#fff;border:none;border-radius:10px;
    font-size:15px;font-weight:700;cursor:pointer;font-family:inherit;
}
.admin-auth-card button:hover{background:var(--adm-primary-dark)}
.admin-auth-logo .brand-logo-img{height:48px;width:auto;margin:0 auto}
.admin-hint{margin-top:20px;font-size:12px;color:var(--adm-muted)}
.admin-check{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;grid-column:1/-1}
.admin-check input{width:auto}
.admin-merchant-edit .admin-form-grid{align-items:start}
.admin-merchant-preview{display:flex;align-items:center;gap:12px;grid-column:1/-1;padding-bottom:12px;border-bottom:1px solid var(--adm-border);margin-bottom:4px}
.admin-merchant-logo{width:48px;height:48px;object-fit:contain;border-radius:8px;background:#f8fafc;padding:4px}
.admin-merchant-emoji{font-size:32px;line-height:1}
.admin-brand-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.admin-brand-card{display:flex;flex-direction:column}
.admin-brand-preview{min-height:140px;background:#f8fafc;border:1px dashed var(--adm-border);border-radius:12px;display:flex;align-items:center;justify-content:center;margin:12px 0;padding:16px;overflow:hidden}
.admin-brand-preview img{max-width:100%;max-height:120px;object-fit:contain}
.admin-brand-empty{color:var(--adm-muted);font-size:13px}
.admin-brand-form{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.admin-brand-form input[type=file]{font-size:13px}
.admin-btn.danger{background:#dc2626;color:#fff;border:none}
.admin-btn.danger:hover{background:#b91c1c}
.admin-btn.sm{padding:8px 14px;font-size:12px}
.admin-cms-block{border:1px solid var(--adm-border);border-radius:12px;padding:16px;margin-bottom:12px;background:#fafbfc}
.admin-cms-block-head{display:flex;justify-content:space-between;margin-bottom:12px}
@media(max-width:900px){
    .admin-grid-2,.admin-form-grid{grid-template-columns:1fr}
    .admin-sidebar{transform:translateX(-100%);transition:transform .3s}
    .admin-sidebar.open{transform:translateX(0)}
    .admin-main{margin-left:0}
    .admin-menu-btn{display:block}
}