/* FunnyAI 管理后台样式：提取自 admin.php 内联样式，便于复用与维护 */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    transition: background 0.3s;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 主容器 */
.admin-container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 250px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.sidebar-logo {
    font-size: 20px;
    font-weight: bold;
    color: #667eea;
    text-align: center;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

.sidebar-menu > li {
    margin-bottom: 8px;
}

.sidebar-menu > li > a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    border-radius: 0 20px 20px 0;
    transition: all 0.3s ease;
    font-size: 14px;
}

.sidebar-menu > li > a:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    transform: translateX(5px);
}

.sidebar-menu > li.active > a {
    background: #667eea;
    color: white;
}

.sidebar-menu .submenu {
    list-style: none;
    padding-left: 20px;
    display: none;
}

.sidebar-menu .submenu.show {
    display: block;
}

.sidebar-menu .submenu li {
    margin-bottom: 4px;
}

.sidebar-menu .submenu li a {
    display: block;
    padding: 8px 20px;
    color: #666;
    text-decoration: none;
    font-size: 13px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.sidebar-menu .submenu li a:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

/* 顶部导航 */
.top-nav {
    height: 60px;
    background: white;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-left {
    display: flex;
    align-items: center;
}

.nav-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-left: 10px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #667eea;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.nav-link {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #667eea;
}

/* 内容区域 */
.content-area {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.page-header {
    margin-bottom: 30px;
}

.page-title {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.page-subtitle {
    color: #666;
    font-size: 14px;
}

/* 功能卡片容器 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

/* 功能卡片 */
.feature-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: white;
    font-size: 20px;
}

.feature-title {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.feature-desc {
    color: #666;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 16px;
}

.feature-link {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.feature-link:hover {
    color: #764ba2;
    transform: translateX(5px);
}

.feature-link::after {
    content: ' →';
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
}

.feature-link:hover::after {
    opacity: 1;
    transform: translateX(2px);
}

/* 分类区域 */
.category-section {
    margin-bottom: 30px;
}

.category-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
}

.category-links {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.category-link {
    display: block;
    padding: 12px 16px;
    background: white;
    border-radius: 8px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.category-link:hover {
    background: #667eea;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }
    
    .sidebar-logo,
    .sidebar-menu > li > a span {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .category-links {
        grid-template-columns: 1fr;
    }
    
    .top-nav {
        padding: 0 10px;
    }
    
    .nav-title {
        font-size: 16px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

/* 状态提示 */
.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    margin-left: 10px;
}

.status-online {
    background: #52c41a;
    color: white;
}

.status-offline {
    background: #d9d9d9;
    color: #666;
}