/* 库页面专用样式 */

/* Hero区域样式 */
.hero {
    text-align: center;
}

/* 搜索框样式 */
.search-container {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem auto;
    flex-wrap: wrap;
    max-width: 600px;
}

#search-input {
    padding: 0.75rem 1rem;
    border: 2px solid #334155;
    border-radius: 6px;
    background-color: #1e293b;
    color: #f1f5f9;
    font-size: 1rem;
    min-width: 300px;
    max-width: 500px;
    width: 100%;
}

#search-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

#search-btn, #clear-search-btn {
    padding: 0.75rem 1.5rem;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

#search-btn:hover, #clear-search-btn:hover {
    background-color: #2563eb;
}

#clear-search-btn {
    background-color: #64748b;
}

#clear-search-btn:hover {
    background-color: #475569;
}

/* 分类导航栏 */
.category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0;
    padding: 0 1rem;
    justify-content: center;
}

.category-nav button {
    padding: 0.5rem 1rem;
    background-color: #334155;
    color: #f1f5f9;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.category-nav button:hover {
    background-color: #475569;
}

.category-nav button.active {
    background-color: #3b82f6;
    color: white;
}

/* 分页控件 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.pagination button {
    padding: 0.5rem 1rem;
    background-color: #334155;
    color: #f1f5f9;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination button:hover {
    background-color: #475569;
}

.pagination button.active {
    background-color: #3b82f6;
    color: white;
}

.pagination button:disabled {
    background-color: #1e293b;
    color: #64748b;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .search-container {
        flex-direction: column;
        align-items: center;
    }
    
    #search-input {
        min-width: 250px;
        max-width: 350px;
    }
    
    .category-nav {
        gap: 0.25rem;
        padding: 0 0.5rem;
    }
    
    .category-nav button {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .pagination {
        gap: 0.25rem;
    }
    
    .pagination button {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* 加载指示器 */
.loading {
    text-align: center;
    padding: 2rem;
    color: #cbd5e1;
}

.spinner {
    border: 4px solid #334155;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: #94a3b8;
}

.empty-state h3 {
    margin-bottom: 1rem;
    color: #f1f5f9;
}

/* 筛选结果信息 */
.filter-info {
    text-align: center;
    padding: 1rem;
    color: #cbd5e1;
    font-size: 1.1rem;
}