/**
 * 搜索自动完成下拉框样式
 */

/* 下拉容器 */
.search-autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 9999;
    background: #fff;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-height: 400px;
    overflow-y: auto;
    margin-top: -1px;
}

/* 单个建议项 */
.search-autocomplete-dropdown .autocomplete-item {
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.15s ease;
}

.search-autocomplete-dropdown .autocomplete-item:last-child {
    border-bottom: none;
}

/* 悬停和选中状态 */
.search-autocomplete-dropdown .autocomplete-item:hover,
.search-autocomplete-dropdown .autocomplete-item.selected {
    background-color: #f5f5f5;
}

/* 标题样式 */
.search-autocomplete-dropdown .autocomplete-item .item-title {
    font-size: 14px;
    color: #1a0dab;
    line-height: 1.4;
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 高亮关键词 */
.search-autocomplete-dropdown .autocomplete-item .item-title mark {
    background-color: #fff3cd;
    color: #1a0dab;
    padding: 0 2px;
    font-weight: 500;
}

/* 日期样式 */
.search-autocomplete-dropdown .autocomplete-item .item-date {
    font-size: 12px;
    color: #999;
}

/* ===== 有图模式：左图右文布局 ===== */
.search-autocomplete-dropdown .autocomplete-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.search-autocomplete-dropdown .autocomplete-item-left {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    overflow: hidden;
    border-radius: 4px;
}
.search-autocomplete-dropdown .autocomplete-thumb {
    width: 40px;
    height: 40px;
    object-fit: cover;
    display: block;
    border-radius: 4px;
}
.search-autocomplete-dropdown .autocomplete-item-right {
    flex: 1;
    min-width: 0;
}

/* 滚动条美化 */
.search-autocomplete-dropdown::-webkit-scrollbar {
    width: 6px;
}

.search-autocomplete-dropdown::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.search-autocomplete-dropdown::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.search-autocomplete-dropdown::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .search-autocomplete-dropdown {
        max-height: 300px;
        font-size: 13px;
    }
    
    .search-autocomplete-dropdown .autocomplete-item {
        padding: 8px 10px;
    }
    
    .search-autocomplete-dropdown .autocomplete-item .item-title {
        font-size: 13px;
    }
    
    .search-autocomplete-dropdown .autocomplete-item .item-date {
        font-size: 11px;
    }
    
    .search-autocomplete-dropdown .autocomplete-thumb {
        width: 32px !important;
        height: 32px !important;
    }
}

/* 侧边栏搜索框特殊适配 */
.sidebar .search-autocomplete-dropdown {
    left: 0;
    right: 0;
    width: 100%;
    z-index: 10000;
}

/* 侧边栏搜索卡片 - 允许下拉框溢出 */
.sidebar .card.search-card {
    overflow: visible !important;
}

/* 搜索框容器需要相对定位 */
.sidebar .card.search-card .card-body {
    position: relative;
    overflow: visible !important;
}

/* 确保侧边栏容器不裁剪下拉框 */
.sidebar {
    overflow: visible !important;
}

/* 侧边栏父容器也需要允许溢出 */
.col-lg-3:has(.sidebar),
.col-12.col-lg-3 {
    overflow: visible !important;
}

/* 输入框组相对定位 */
.input-group {
    position: relative;
}

/* 无结果提示 */
.search-autocomplete-dropdown .no-results {
    padding: 15px;
    text-align: center;
    color: #999;
    font-size: 13px;
}

/* 加载状态 */
.search-autocomplete-dropdown .loading {
    padding: 15px;
    text-align: center;
    color: #666;
}

.search-autocomplete-dropdown .loading::after {
    content: '...';
    animation: loading-dots 1.5s infinite;
}

@keyframes loading-dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}