body { background: #f5f7fb; }
.login-page { min-height: 100vh; display: flex; align-items: center; }
.card { border: 0; border-radius: 16px; }
.stat-card { border-left: 5px solid #0d6efd; }
.sidebar-title { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: #6c757d; }
.table thead th { background: #f1f5ff; }