:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --success-color: #4cc9f0;
    --warning-color: #f72585;
    --light-bg: #f8f9fa;
}

body {
    font-family: 'Segoe UI', 'Microsoft JhengHei', sans-serif;
    background-color: #f5f7fb;
}

/* 卡片樣式 */
.card {
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

/* 按鈕樣式 */
.btn {
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: 500;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

/* 表格樣式 */
.table th {
    border-top: none;
    font-weight: 600;
    color: #495057;
}

.table-hover tbody tr:hover {
    background-color: rgba(67, 97, 238, 0.05);
}

/* 導覽列 */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 徽章 */
.badge {
    border-radius: 20px;
    padding: 5px 12px;
    font-weight: 500;
}

/* 表單 */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 10px 15px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}

/* 響應式調整 */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 10px;
    }
}