/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', sans-serif;
}

/* 导航栏样式 */
nav {
    background-color: #1e40af;
    color: white;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

nav .logo {
    font-size: 1.25rem;
    font-weight: bold;
}

nav .menu {
    display: flex;
    gap: 1rem;
}

nav .menu a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    transition: background-color 0.2s;
}

nav .menu a:hover {
    background-color: #3b82f6;
}

nav .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

nav .user-info span {
    font-weight: 500;
}

nav .user-info .logout {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    background-color: #ef4444;
    transition: background-color 0.2s;
}

nav .user-info .logout:hover {
    background-color: #dc2626;
}

/* 响应式布局 */
@media (max-width: 768px) {
    nav .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav .menu {
        flex-direction: column;
        text-align: center;
    }
    
    nav .user-info {
        flex-direction: column;
        gap: 0.5rem;
    }

    /* 表格容器添加滚动条 */
   .table-container {
        overflow-x: auto;
        white-space: nowrap;

    }

    /* 搜索框容器不换行 */
   .search-container {
        white-space: nowrap;
    }
}

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

/* 按钮样式 */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

.btn-secondary {
    background-color: #64748b;
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-danger {
    background-color: #ef4444;
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
}

.table th {
    background-color: #f1f5f9;
    text-align: left;
    font-weight: bold;
}

.table tr:hover {
    background-color: #f8fafc;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.25rem;
}

.form-control:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

/* 分页样式 */
.pagination {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.pagination li {
    margin-right: 0.25rem;
}

.pagination li a {
    padding: 0.5rem 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.25rem;
    text-decoration: none;
    color: #3b82f6;
}

.pagination li.active a {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.pagination li a:hover {
    background-color: #f8fafc;
}

/* 消息提示样式 */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.25rem;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border-left: 4px solid #166534;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left: 4px solid #92400e;
}