/**
 * 网站后台自定义样式
 */

/* 整体布局样式 */
body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    background-color: #f5f7fa;
}

/* 侧边栏样式 */
.sidebar {
    width: 220px;
    min-width: 220px;
    height: 100%;
    background-color: #f8f9fa;
    border-right: 1px solid #dee2e6;
    z-index: 100;
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 0;
    padding-top: 0.5rem;
}

.sidebar .nav-link {
    color: #333;
    padding: 0.75rem 1rem;
    border-radius: 0.25rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s ease-in-out;
}

.sidebar .nav-link:hover {
    background-color: rgba(0, 123, 255, 0.1);
    color: #0d6efd;
}

.sidebar .nav-link.active {
    background-color: #0d6efd;
    color: #fff;
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

/* 主要内容区域 */
main {
    flex: 1;
    padding: 1rem;
    width: calc(100% - 220px);
}

/* 卡片样式 */
.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: none;
    margin-bottom: 1.5rem;
    transition: all 0.2s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-weight: 500;
}

/* 自定义按钮样式 */
.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}

/* 表格样式 */
.table th {
    background-color: #f8f9fa;
    font-weight: 500;
}

/* 登录页面样式 */
.login-container {
    max-width: 400px;
    margin: 2rem auto;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-form {
    background-color: #fff;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.login-footer {
    text-align: center;
    margin-top: 1rem;
    color: #6c757d;
}

/* 仪表盘卡片样式 */
.dashboard-card {
    text-align: center;
    padding: 1.5rem;
}

.dashboard-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #0d6efd;
}

.dashboard-card .counter {
    font-size: 2rem;
    font-weight: 600;
}

.dashboard-card .title {
    color: #6c757d;
    font-size: 1rem;
}

/* 登录页面优化 */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px); /* 减去导航栏和页脚的高度 */
}

.login-container {
    margin: 0;
    width: 100%;
    max-width: 400px;
}

/* 布局修复 */
.container-fluid.flex-grow-1.d-flex {
    display: flex !important;
    flex-direction: row;
    flex-wrap: nowrap;
    height: 100vh;
    overflow: hidden;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        min-width: 100%;
        height: auto;
        position: static;
    }
    
    main {
        width: 100%;
    }
    
    .container-fluid.flex-grow-1.d-flex {
        flex-direction: column;
    }
}

/* 侧边栏和主内容都填满父容器高度 */
.sidebar {
    height: 100%;
}

main.flex-grow-1 {
    height: 100%;
    overflow-y: auto;
}

.card-body, .table-responsive {
    height: auto !important;
    overflow: visible !important;
}