/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS变量 - 科幻主题 */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #0f141f;
    --bg-card: #131a29;
    --text-primary: #e0e6ed;
    --text-secondary: #a0a8b7;
    --accent-primary: #00d4ff;
    --accent-secondary: #ff00ff;
    --border-primary: #1e2a47;
    --neon-blue: #00d4ff;
    --neon-pink: #ff00ff;
    --neon-green: #00ff88;
    --shadow-glow: 0 0 10px rgba(0, 212, 255, 0.3);
    --transition: all 0.3s ease;
}

/* 全局样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 0, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-link {
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo {
    position: relative;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-block;
    margin: 0;
}

.logo-text {
    position: relative;
    z-index: 2;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
    filter: blur(10px);
    opacity: 0.5;
    z-index: 1;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        opacity: 0.5;
        transform: scale(1);
    }
    to {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

/* 搜索框样式 */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 400px;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.search-input:focus {
    border-color: var(--neon-blue);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.search-btn {
    position: absolute;
    left: 0.75rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
}

.search-btn:hover {
    color: var(--neon-blue);
    transform: scale(1.1);
}

/* 分类筛选样式 */
.filter-section {
    padding: 1.5rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.filter-tabs {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-tab {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.filter-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: var(--transition);
}

.filter-tab:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.filter-tab:hover::before {
    left: 100%;
}

.filter-tab.active {
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
    color: white;
    border-color: transparent;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.tab-count {
    color: var(--neon-blue);
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.8;
    margin-left: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.filter-tab.active .tab-count {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* 主要内容区域 */
.main-content {
    padding: 2rem 0;
}

/* 工具卡片网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* 工具卡片样式 */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink), var(--neon-green));
    transform: scaleX(0);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.tool-type {
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tool-type.web {
    background: rgba(0, 212, 255, 0.2);
    color: var(--neon-blue);
}

.tool-type.plugin {
    background: rgba(255, 0, 255, 0.2);
    color: var(--neon-pink);
}

.tool-type.pc {
    background: rgba(0, 255, 136, 0.2);
    color: var(--neon-green);
}

.tool-type.mobile {
    background: rgba(255, 165, 0, 0.2);
    color: #ffa500;
}

.tool-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tool-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tool-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.tool-tag:hover {
    background: rgba(0, 212, 255, 0.2);
    color: var(--neon-blue);
}

.tool-actions {
    display: flex;
    gap: 1rem;
}

.tool-btn {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.tool-btn:hover {
    background: var(--neon-blue);
    color: white;
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.tool-btn.secondary {
    background: transparent;
}

.tool-btn.secondary:hover {
    background: var(--neon-pink);
    border-color: var(--neon-pink);
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

/* 页脚样式 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .search-container {
        max-width: 100%;
    }
    
    .filter-tabs {
        gap: 0.75rem;
    }
    
    .filter-tab {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .tool-actions {
        flex-direction: column;
    }
    
    .footer-links {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }
    
    .search-input {
        padding: 0.6rem 1rem 0.6rem 2.25rem;
        font-size: 0.9rem;
    }
    
    .filter-tabs {
        gap: 0.5rem;
    }
    
    .filter-tab {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .tool-card {
        padding: 1.25rem;
    }
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-primary);
    border-top: 2px solid var(--neon-blue);
    border-radius: 50%;
    margin-left: 1rem;
    animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem 0;
    margin-top: 2rem;
    overflow: hidden;
}

.pagination-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-card);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    border: 1px solid var(--border-primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    flex-wrap: nowrap;
    min-width: fit-content;
}

.pagination-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 20px;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    white-space: nowrap;
}

.pagination-btn:hover:not(.disabled) {
    background: var(--neon-blue);
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.pagination-number {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 50%;
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
}

.pagination-number:hover:not(.active) {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    transform: translateY(-2px);
}

.pagination-number.active {
    background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink));
    border-color: transparent;
    color: white;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.pagination-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    user-select: none;
}

/* 分页响应式设计 */
@media (max-width: 768px) {
    .pagination {
        overflow-x: auto;
        padding: 1.5rem 0;
    }
    
    .pagination-content {
        gap: 0.75rem;
        padding: 0.6rem 1.2rem;
        min-width: auto;
    }
    
    .pagination-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .pagination-number {
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .pagination {
        padding: 1rem 0;
        overflow-x: auto;
    }
    
    .pagination-content {
        gap: 0.5rem;
        padding: 0.5rem 1rem;
        min-width: auto;
    }
    
    .pagination-btn {
        padding: 0.3rem 0.7rem;
        font-size: 0.75rem;
    }
    
    .pagination-number {
        width: 30px;
        height: 30px;
        font-size: 0.75rem;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}