:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
}

body {
    min-height: 100vh;
    background-color: #f8f9fa;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

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

.nav-link {
    font-weight: 500;
}

.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
}

.table {
    background-color: white;
    border-radius: 0.5rem;
    overflow: hidden;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
}

.btn {
    font-weight: 500;
}

.pagination {
    margin-top: 2rem;
}

.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

.container {
    padding: 2rem 1rem;
}

.alert {
    border-radius: 0.5rem;
}

.modal-content {
    border-radius: 0.5rem;
    border: none;
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(13,110,253,.25);
}

/* Toast样式 */
#toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 1050;
}

.toast {
    min-width: 200px;
}

/* 表格响应式布局 */
@media (max-width: 768px) {
    .table-responsive {
        margin: 0;
    }
    
    .table td, .table th {
        white-space: nowrap;
    }
}