/* 全局样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* 导航栏样式 */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #007bff !important;
}

/* 卡片样式 */
.card {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.card-title {
    color: #007bff;
    font-weight: 600;
}

/* 按钮样式 */
.btn {
    border-radius: 50px;
    padding: 8px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0069d9;
    border-color: #0069d9;
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: #007bff;
    border-color: #007bff;
}

.btn-outline-primary:hover {
    background-color: #007bff;
    border-color: #007bff;
    transform: translateY(-2px);
}

/* 表单样式 */
.form-control {
    border-radius: 10px;
    border: 1px solid #ced4da;
    padding: 10px 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
}

/* 商品卡片样式 */
.product-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card .card-img-top {
    height: 200px;
    object-fit: cover;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.product-card .card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-card .card-text {
    flex-grow: 1;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #dc3545;
}

/* 购物车样式 */
.cart-item {
    border-bottom: 1px solid #dee2e6;
    padding: 15px 0;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

/* 订单状态样式 */
.order-status {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-pending {
    background-color: #ffc107;
    color: #212529;
}

.status-processing {
    background-color: #17a2b8;
    color: white;
}

.status-shipped {
    background-color: #6c757d;
    color: white;
}

.status-delivered {
    background-color: #28a745;
    color: white;
}

.status-cancelled {
    background-color: #dc3545;
    color: white;
}

/* 分页样式 */
.pagination .page-link {
    border-radius: 50px;
    margin: 0 3px;
    color: #007bff;
}

.pagination .page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .jumbotron {
        padding: 2rem !important;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .card {
        margin-bottom: 15px;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 123, 255, 0.3);
    border-radius: 50%;
    border-top-color: #007bff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 提示消息样式 */
.alert {
    border-radius: 10px;
    border: none;
    padding: 15px 20px;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #ffc107;
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    color: #17a2b8;
}

/* 表格样式 */
.table {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.table thead th {
    background-color: #007bff;
    color: white;
    border: none;
}

.table tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

/* 模态框样式 */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    background-color: #f8f9fa;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    background-color: #f8f9fa;
}