/* 管理页面专用样式 v8.0 */
.admin-panel {
    min-height: 100vh;
    background: var(--bg-color);
}

/* 标签页 */
.admin-tabs {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.tab-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.tab-nav li {
    padding: 1rem 0;
    cursor: pointer;
    position: relative;
    color: var(--text-light);
    transition: color 0.2s;
}

.tab-nav li:hover {
    color: var(--text-color);
}

.tab-nav li.active {
    color: var(--primary-color);
    font-weight: 500;
}

.tab-nav li.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

/* 标签内容 */
.tab-content {
    display: none;
    padding: 2rem 0;
}

.tab-content.active {
    display: block;
}

/* 工具栏 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

/* 网站列表 */
.site-list {
    display: grid;
    gap: 1rem;
}

.site-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    overflow: hidden; /* 防止内容溢出 */
}

.site-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0; /* 允许弹性收缩 */
    overflow: hidden;
}

.site-info img {
    width: 32px;
    height: 32px;
    border-radius: 0.25rem;
    object-fit: contain;
}

.site-details h4 {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.site-details {
    flex: 1;
    min-width: 0; /* 防止flex子元素超出容器 */
}

.site-details h4 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-details p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 500px; /* 限制最大宽度 */
}

.site-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0; /* 防止按钮被压缩 */
}

.site-actions button {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* 分类列表 */
.category-list {
    display: grid;
    gap: 1rem;
}

.category-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.category-info i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

/* 导入导出 */
.import-export-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.import-export-section h3 {
    margin-bottom: 1rem;
}

.import-export-section p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

#importFile {
    margin-bottom: 1rem;
}

/* 同步设置 */
.sync-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 2rem;
}

.sync-section h3 {
    margin-bottom: 1.5rem;
}

.sync-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.sync-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    display: none;
}

.sync-status.success {
    background: #22c55e20;
    color: var(--success-color);
    border: 1px solid var(--success-color);
    display: block;
}

.sync-status.error {
    background: #ef444420;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
    display: block;
}

/* 系统设置 */
.settings-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 2rem;
    max-width: 500px;
}

.settings-section h3 {
    margin-bottom: 1.5rem;
}

/* 拖动排序样式 */
.site-item.dragging {
    opacity: 0.5;
    cursor: move;
}

.site-item.drag-over {
    border-top: 3px solid var(--primary-color);
}

.site-item {
    cursor: move;
    transition: all 0.2s ease;
    user-select: none;
}

.category-item {
    cursor: move;
    transition: all 0.2s ease;
}

.category-item.dragging {
    opacity: 0.5;
}

.category-item.drag-over {
    border-top: 3px solid var(--primary-color);
}

/* 登录表单 */
#loginModal .modal-content {
    max-width: 400px;
}

#loginModal h2 {
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

#loginModal h2 i {
    color: var(--primary-color);
}

/* 响应式 */
@media (max-width: 768px) {
    .tab-nav {
        gap: 1rem;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .site-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .sync-actions {
        flex-direction: column;
    }
}

/* 模态框底部 */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* 分类拖拽样式 */
.category-item {
    transition: all 0.3s ease;
    cursor: move;
    user-select: none;
}

.category-item.dragging {
    opacity: 0.4;
}

.category-item.drag-over {
    background-color: #e3f2fd;
    transform: scale(1.02);
}

.category-item.drag-over-top {
    border-top: 3px solid #2196F3;
}

.category-item.drag-over-bottom {
    border-bottom: 3px solid #2196F3;
}

.drag-handle {
    cursor: move;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.category-item:hover .drag-handle {
    opacity: 1;
}

/* 拖拽时的指示器 */
.drop-indicator {
    height: 2px;
    background-color: #2196F3;
    margin: 5px 0;
    opacity: 0;
    transition: opacity 0.2s;
}

.drop-indicator.active {
    opacity: 1;
}