/* ========================================
   FreeTu 搜索页面样式 - 现代设计
   ======================================== */

/* 搜索头部 - 居中大搜索体验 */
.search-header {
    margin-bottom: 0;
}

.search-hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    padding: 48px 0 36px;
}

.search-container {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    padding: 8px 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-input-wrapper:focus-within {
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.search-icon-left {
    color: var(--text-secondary);
    pointer-events: none;
    transition: color 0.3s ease;
    flex-shrink: 0;
    margin-right: 12px;
}

.search-input-wrapper:focus-within .search-icon-left {
    color: var(--accent);
}

.search-input {
    width: 100%;
    padding: 0;
    background: transparent;
    border: none;
    color: #fff;
    font-family: var(--font-cn);
    font-size: 15px;
    transition: none;
    flex: 1;
}

.search-input:focus {
    outline: none;
    border: none;
    box-shadow: none;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.search-btn {
    flex-shrink: 0;
    padding: 8px 24px;
    background: var(--accent);
    border: none;
    border-radius: 999px;
    color: white;
    font-family: var(--font-cn);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-btn:hover {
    background: var(--accent-hover);
}

.search-btn:active {
    transform: scale(0.98);
}

.clear-search-btn {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.clear-search-btn:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* 热门标签 - 与首页一致 */
.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    justify-content: center;
}

.popular-tags .tag-btn {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 6px 16px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
    line-height: 1;
    font-family: var(--font-cn);
}

.popular-tags .tag-btn:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

.popular-tags .tag-btn:active {
    transform: translateY(0);
}

/* 搜索信息区域 */
.search-info {
    padding: var(--space-md) 0;
    border-bottom: none;
    margin-bottom: var(--space-lg);
}

.search-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.search-actions {
    display: flex;
    gap: var(--space-sm);
}

.search-actions .tag-btn.small {
    padding: 4px 12px;
    font-size: 12px;
    background: transparent;
    border: none;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-secondary);
}

.search-actions .tag-btn.small:hover {
    color: var(--accent);
}

.search-actions .tag-btn.small:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}

/* 搜索结果网格 */
.search-results-section {
    min-height: 400px;
}

.search-results-grid {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    max-width: 500px;
    margin: 0 auto;
}

.empty-state h3 {
    font-family: var(--font-cn);
    font-size: 20px;
    font-weight: 600;
    margin: var(--space-lg) 0 var(--space-md);
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.empty-state .tag-btn {
    padding: 10px 24px;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.empty-state .tag-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* 搜索提示 */
.search-tips {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-xl);
    text-align: left;
}

.search-tips h4 {
    font-family: var(--font-cn);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.search-tips ul {
    list-style: none;
    padding: 0;
}

.search-tips li {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
    position: relative;
    line-height: 1.5;
}

.search-tips li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
}

.search-tips strong {
    color: var(--text-primary);
    font-weight: 500;
    background: rgba(var(--accent-rgb), 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-en);
}

/* 搜索结果项增强样式 */
.search-results-grid .gallery-item {
    position: relative;
}

.search-results-grid .item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}

.search-results-grid .item-tag {
    padding: 2px 8px;
    background: rgba(var(--accent-rgb), 0.1);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    border-radius: 12px;
    font-size: 10px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.search-results-grid .item-match {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--accent);
    color: white;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    z-index: 2;
}

/* 搜索加载状态 */
#searchLoading {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
}

#searchLoading.active {
    display: flex;
}

#searchLoading .spinner {
    margin-bottom: var(--space-md);
}

/* 分页样式优化 */
#searchPagination .page-btn {
    width: 44px;
    height: 44px;
}

#searchPagination .page-num {
    min-width: 44px;
    height: 44px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .search-hero {
        min-height: 220px;
        padding: 36px 0 28px;
    }
    
    .search-input-wrapper {
        padding: 6px 12px;
    }
    
    .search-input {
        font-size: 14px;
    }
    
    .search-btn {
        padding: 6px 18px;
        font-size: 13px;
    }
    
    .popular-tags {
        gap: 6px;
        margin-top: 16px;
    }
    
    .popular-tags .tag-btn {
        padding: 5px 12px;
        font-size: 12px;
    }
    
    .search-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .search-tips {
        padding: var(--space-md);
    }
    
    .search-tips h4 {
        font-size: 15px;
    }
    
    .search-tips li {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .search-hero {
        min-height: 180px;
        padding: 28px 0 24px;
    }
    
    .search-input-wrapper {
        padding: 6px 10px;
    }
    
    .search-input {
        font-size: 14px;
    }
    
    .search-btn {
        padding: 6px 14px;
        font-size: 12px;
    }
    
    .popular-tags {
        gap: 5px;
    }
    
    .popular-tags .tag-btn {
        padding: 4px 10px;
        font-size: 11px;
    }
    
    .empty-state {
        padding: var(--space-xl);
    }
    
    .empty-state h3 {
        font-size: 18px;
    }
    
    .empty-state p {
        font-size: 14px;
    }
}

/* 动态搜索结果容器 */
.dynamic-results-container {
    margin-top: var(--space-xl);
    animation: fadeIn 0.4s ease-out;
}

.dynamic-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

.dynamic-results-title {
    font-family: var(--font-cn);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.dynamic-results-title span {
    color: var(--accent);
}

.dynamic-results-count {
    font-size: 14px;
    color: var(--text-secondary);
}

.dynamic-results-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
}

.dynamic-results-grid .gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
}

.dynamic-results-grid .gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}



/* 动态结果网格响应式 */
@media (max-width: 1400px) {
    .dynamic-results-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1024px) {
    .dynamic-results-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .dynamic-results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .popular-tags .tag-btn:hover {
        transform: none;
    }
    
    .empty-state .tag-btn:hover {
        transform: none;
    }
}