:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --dark: #1e293b;
  --gray: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --danger: #dc2626;
  --success: #16a34a;
  --warn: #d97706;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--dark); }

.topbar { background: #0f172a; color: #fff; }
.topbar-inner { max-width: 1080px; margin: 0 auto; padding: 0 20px; height: 56px; display: flex; align-items: center; gap: 28px; }
.brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 16px; }
.nav { display: flex; gap: 18px; flex: 1; }
.nav a { color: #cbd5e1; text-decoration: none; font-size: 13.5px; padding: 6px 0; }
.nav a:hover, .nav a.active { color: #fff; }
.topbar-user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #cbd5e1; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px; }
.page-title { font-size: 21px; margin: 0 0 18px; }

.card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin-bottom: 18px; }
.card h3 { margin: 0 0 4px; font-size: 15px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--gray); margin-top: 2px; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th { text-align: left; font-size: 11.5px; text-transform: uppercase; color: var(--gray); padding: 8px 10px; border-bottom: 2px solid var(--border); }
.table td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:hover td { background: #f8fafc; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 5px; color: #334155; }
.form-control { width: 100%; padding: 9px 11px; border: 1px solid #cbd5e1; border-radius: 8px; font-size: 13.5px; }

.btn { display: inline-block; padding: 9px 16px; border-radius: 8px; border: none; font-weight: 600; font-size: 13px;
       cursor: pointer; background: var(--primary); color: #fff; text-decoration: none; }
.btn:hover { background: var(--primary-dark); }
.btn-secondary { background: #e2e8f0; color: #1e293b; }
.btn-secondary:hover { background: #cbd5e1; }
.btn-danger { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.btn-danger:hover { background: #fee2e2; }
.btn-sm { padding: 5px 11px; font-size: 12px; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 100px; font-size: 11px; font-weight: 700; }
.badge-active { background: #dcfce7; color: #166534; }
.badge-suspended { background: #fef9c3; color: #854d0e; }
.badge-revoked { background: #f1f5f9; color: #475569; }
.badge-inactive { background: #fee2e2; color: #991b1b; }

.key-box { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; background: #f8fafc;
           border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; word-break: break-all; }
.secret-box { background: #fffbeb; border-color: #fcd34d; }

.alert { border-radius: 8px; padding: 11px 14px; font-size: 13px; margin-bottom: 14px; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

.toast { position: fixed; top: 18px; right: 18px; background: #1e293b; color: #fff; padding: 11px 18px;
         border-radius: 8px; font-size: 13px; z-index: 999; box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

.search-row { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.search-row .form-control { max-width: 320px; }
.text-muted { color: var(--gray); }
.detail-row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid #f1f5f9; font-size: 13.5px; }
.detail-row:last-child { border-bottom: none; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #0f172a; }
.login-card { background: #fff; border-radius: 14px; padding: 36px; max-width: 380px; width: 100%; box-shadow: 0 20px 50px rgba(0,0,0,.35); }
.login-card h1 { font-size: 19px; margin: 0 0 4px; }
.login-card p { color: var(--gray); font-size: 13px; margin: 0 0 22px; }