/* Mail Manager Custom Styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container-fluid {
    flex: 1;
}

/* Card enhancements */
.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: none;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

/* List group enhancements */
.list-group-item {
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.list-group-item:hover {
    border-left-color: var(--primary-color);
    background-color: #f8f9fa;
}

/* Badge styling */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Stats cards */
.display-4, .display-6 {
    font-weight: 600;
}

/* Footer */
footer {
    margin-top: auto;
}

/* Form enhancements */
.form-label {
    font-weight: 500;
    color: #495057;
}

/* Button group adjustments */
.btn-group .btn {
    margin: 0;
}

/* Alert improvements */
.alert {
    border-left: 4px solid;
}

.alert-success {
    border-left-color: #198754;
}

.alert-info {
    border-left-color: #0dcaf0;
}

.alert-warning {
    border-left-color: #ffc107;
}

.alert-danger {
    border-left-color: #dc3545;
}

/* Responsive tables */
.table-responsive {
    border-radius: 0.25rem;
}

/* Navbar enhancements */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}