:root {
  --admin-bg: #f4f6fb;
  --admin-sidebar: #0f172a;
  --admin-sidebar-hover: #1e293b;
  --admin-accent: #4f46e5;
  --admin-border: #e5e7eb;
  --admin-muted: #64748b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--admin-bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: #0f172a; }

.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 248px; background: var(--admin-sidebar); color: #cbd5e1; flex-direction: column; position: fixed; top: 0; bottom: 0; left: 0; padding: 18px 14px; }
.admin-brand { display: flex; align-items: center; gap: 10px; font-size: 17px; color: #fff; padding: 6px 8px 18px; }
.admin-logo { width: 30px; height: 30px; border-radius: 8px; background: var(--admin-accent); color: #fff; display: grid; place-items: center; font-weight: 800; }
.admin-nav { display: flex; flex-direction: column; gap: 4px; }
.admin-nav-link { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; color: #cbd5e1; text-decoration: none; font-size: 14.5px; font-weight: 500; transition: background .12s, color .12s; }
.admin-nav-link i { font-size: 18px; width: 20px; }
.admin-nav-link:hover { background: var(--admin-sidebar-hover); color: #fff; }
.admin-nav-link.active { background: var(--admin-accent); color: #fff; }
.admin-sidebar-foot { margin-top: auto; display: flex; align-items: center; gap: 8px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); }
.admin-whoami { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.admin-avatar { width: 36px; height: 36px; border-radius: 50%; background: #334155; color: #fff; display: grid; place-items: center; font-weight: 700; }
.admin-who-meta { min-width: 0; }
.admin-who-name { color: #e2e8f0; font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.admin-who-role { color: #94a3b8; font-size: 12px; }
.admin-logout { color: #94a3b8; font-size: 18px; padding: 8px; border-radius: 8px; text-decoration: none; }
.admin-logout:hover { background: var(--admin-sidebar-hover); color: #fff; }

.admin-main { flex: 1; margin-left: 248px; min-width: 0; }
@media (max-width: 991px) { .admin-main { margin-left: 0; } }

.admin-topbar { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--admin-border); display: flex; align-items: center; gap: 14px; padding: 12px 22px; }
.admin-page-title { font-size: 19px; font-weight: 700; margin: 0; flex: 1; }
.admin-topbar-actions { display: flex; align-items: center; gap: 10px; }
.admin-bell { position: relative; border-radius: 10px; }
.admin-bell-badge { position: absolute; top: -4px; right: -4px; background: #ef4444; color: #fff; font-size: 11px; font-weight: 700; min-width: 18px; height: 18px; border-radius: 9px; display: grid; place-items: center; padding: 0 4px; }

.admin-notif-menu { width: 360px; max-width: 92vw; padding: 0; border: 1px solid var(--admin-border); border-radius: 14px; box-shadow: 0 16px 48px rgba(15,23,42,.16); overflow: hidden; }
.admin-notif-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; border-bottom: 1px solid var(--admin-border); }
.admin-notif-list { max-height: 420px; overflow-y: auto; }
.admin-notif-item { padding: 12px 14px; border-bottom: 1px solid #f1f5f9; display: flex; gap: 10px; }
.admin-notif-item.unread { background: #f5f3ff; }
.admin-notif-dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 6px; flex: none; background: #cbd5e1; }
.admin-notif-item.unread .admin-notif-dot { background: var(--admin-accent); }
.admin-notif-body { flex: 1; min-width: 0; }
.admin-notif-title { font-size: 13.5px; font-weight: 600; }
.admin-notif-text { font-size: 12.5px; color: var(--admin-muted); }
.admin-notif-actions { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.admin-notif-time { font-size: 11px; color: #94a3b8; margin-top: 4px; }
.admin-notif-empty { padding: 28px 14px; text-align: center; color: var(--admin-muted); font-size: 13px; }

.admin-content { padding: 24px 22px 60px; max-width: 1180px; }

.admin-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.admin-stat { background: #fff; border: 1px solid var(--admin-border); border-radius: 14px; padding: 16px 18px; }
.admin-stat-label { font-size: 12.5px; color: var(--admin-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.admin-stat-value { font-size: 28px; font-weight: 800; margin-top: 6px; }
.admin-stat-sub { font-size: 12.5px; color: var(--admin-muted); margin-top: 2px; }

.admin-panel { background: #fff; border: 1px solid var(--admin-border); border-radius: 16px; padding: 18px 20px; margin-top: 20px; }
.admin-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.admin-panel-head h2 { font-size: 16px; font-weight: 700; margin: 0; }

.admin-tabs { display: inline-flex; background: #eef2ff; border-radius: 10px; padding: 3px; gap: 2px; }
.admin-tab { border: none; background: transparent; padding: 6px 14px; border-radius: 8px; font-size: 13.5px; font-weight: 600; color: #475569; cursor: pointer; }
.admin-tab.active { background: #fff; color: var(--admin-accent); box-shadow: 0 1px 3px rgba(15,23,42,.1); }

.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--admin-muted); padding: 8px 10px; border-bottom: 1px solid var(--admin-border); }
.admin-table td { padding: 11px 10px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }

.admin-empty { text-align: center; color: var(--admin-muted); padding: 36px 12px; }

.badge-soft { font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 999px; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved, .badge-active, .badge-paid { background: #dcfce7; color: #166534; }
.badge-denied, .badge-void, .badge-disabled { background: #fee2e2; color: #991b1b; }
.badge-sent { background: #dbeafe; color: #1e40af; }
.badge-draft { background: #f1f5f9; color: #475569; }
.badge-owner { background: #ede9fe; color: #5b21b6; }
.badge-standard { background: #f1f5f9; color: #475569; }

.admin-chart { display: flex; align-items: flex-end; gap: 6px; height: 120px; padding-top: 8px; }
.admin-bar { flex: 1; background: linear-gradient(180deg, var(--admin-accent), #818cf8); border-radius: 5px 5px 0 0; min-height: 2px; position: relative; }
.admin-bar span { position: absolute; bottom: -20px; left: 0; right: 0; text-align: center; font-size: 10px; color: #94a3b8; }

.line-items-row { display: grid; grid-template-columns: 1fr 70px 100px 100px 30px; gap: 8px; align-items: center; margin-bottom: 8px; }
.line-items-row .li-amount { text-align: right; font-variant-numeric: tabular-nums; }

.admin-detail-grid { display: grid; grid-template-columns: 140px 1fr; gap: 6px 14px; font-size: 14px; }
.admin-detail-grid dt { color: var(--admin-muted); }
.admin-detail-grid dd { margin: 0; }

.btn-accent { background: var(--admin-accent); border-color: var(--admin-accent); color: #fff; }
.btn-accent:hover { background: #4338ca; border-color: #4338ca; color: #fff; }

/* Login */
.admin-login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(1200px 600px at 50% -10%, #1e293b, var(--admin-bg)); }
.admin-login-card { background: #fff; border: 1px solid var(--admin-border); border-radius: 18px; padding: 30px; width: 100%; max-width: 400px; box-shadow: 0 24px 60px rgba(15,23,42,.18); }
.admin-login-card .admin-logo { width: 44px; height: 44px; font-size: 22px; margin: 0 auto 14px; }
.qr-box { display: grid; place-items: center; padding: 8px; background: #fff; border: 1px solid var(--admin-border); border-radius: 12px; }