:root {
  --brand: #4f46e5;
  --sidebar-bg: #111827;
  --sidebar-hover: #1f2937;
}
body { background-color: #f3f4f6; font-family: 'Inter', Arial, sans-serif; }
.login-body { min-height: 100vh; background: linear-gradient(135deg,#eef2ff 0%, #f9fafb 100%); }
.text-brand { color: var(--brand) !important; }
.btn-primary { background-color: var(--brand); border-color: var(--brand); }
.btn-primary:hover { background-color: #4338ca; border-color: #4338ca; }

/* Layout */
.admin-wrapper { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 250px; background: var(--sidebar-bg); flex-shrink: 0; color: #d1d5db;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar .brand { padding: 20px; font-weight: 700; color: #fff; font-size: 1.15rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.admin-sidebar .nav-link { color: #d1d5db; padding: 10px 20px; border-radius: 8px; margin: 2px 10px; }
.admin-sidebar .nav-link i { width: 22px; display: inline-block; }
.admin-sidebar .nav-link:hover { background: var(--sidebar-hover); color: #fff; }
.admin-sidebar .nav-link.active { background: var(--brand); color: #fff; }
.admin-main { flex: 1; min-width: 0; }
.admin-topbar { background: #fff; border-bottom: 1px solid #e5e7eb; padding: 14px 24px; }
.admin-content { padding: 24px; }

.stat-card { border-radius: 14px; border: 1px solid #eef0f3; background: #fff; padding: 22px; }
.stat-card .icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }

.table thead th { font-size: .8rem; text-transform: uppercase; color: #6b7280; border-bottom-width: 1px; }
.thumb-sm { width: 54px; height: 54px; object-fit: cover; border-radius: 8px; }
.card { border-radius: 14px; }