body {
    background-color: #f8f9fa;
}

.main-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.auth-container {
    max-width: 450px;
    margin: 2rem auto;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid rgba(0, 0, 0, 0.125);
    margin-bottom: 1.5rem;
}

.table-responsive {
    overflow-x: auto;
}

.badge-primary {
    background-color: #667eea;
}

.badge-success {
    background-color: #28a745;
}

.badge-info {
    background-color: #17a2b8;
}

.badge-warning {
    background-color: #ffc107;
}

.btn-action {
    margin: 0 2px;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.navbar-brand {
    font-weight: 600;
}

.alert {
    border-radius: 0.5rem;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.table th {
    background-color: #667eea;
    color: white;
}

.table-hover tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.1);
}

.summary-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.text-truncate {
    max-width: 300px;
}

.user-badge {
    font-size: 0.8rem;
}

.dropdown-menu {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
    .text-truncate {
        max-width: 150px;
    }

    .table th, .table td {
        font-size: 0.875rem;
        padding: 0.5rem;
    }

    .auth-container {
        margin: 1rem;
        max-width: none;
    }
}