/* 基础重置和变量 */
:root {
    --primary-color: #4a6fa5;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    --bg-color: #ffffff;
    --text-color: #333333;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    
    --font-family: 'Poppins', 'Noto Sans SC', sans-serif;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #5d8cc8;
    --bg-color: #1a1a2e;
    --text-color: #e0e0e0;
    --card-bg: #16213e;
    --border-color: #2d3748;
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
}

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

/* 导航栏 */
.navbar {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.search-box {
    flex: 1;
    max-width: 500px;
    margin: 0 2rem;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-color);
}

.search-box input {
    width: 100%;
    padding: 12px 20px 12px 45px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 25px;
    transition: var(--transition);
}

.nav-link:hover {
    background-color: rgba(74, 111, 165, 0.1);
    color: var(--primary-color);
}

.btn {
    padding: 10px 25px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #3a5985;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 111, 165, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: rgba(74, 111, 165, 0.1);
}

.btn-lg {
    padding: 12px 30px;
    font-size: 1.1rem;
}

/* 用户菜单 */
.user-menu {
    position: relative;
    cursor: pointer;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background-color: var(--card-bg);
    min-width: 200px;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    overflow: hidden;
    z-index: 1000;
}

.user-menu:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 15px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: rgba(74, 111, 165, 0.1);
    color: var(--primary-color);
}

.dropdown-content i {
    width: 20px;
    margin-right: 10px;
}

/* 英雄横幅 */
.hero-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 0;
    gap: 3rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), #6c8bc7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

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

.hero-illustration {
    font-size: 8rem;
    color: var(--primary-color);
    opacity: 0.8;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* 分类过滤 */
.category-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.category-btn {
    padding: 8px 20px;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.category-btn:hover,
.category-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 卡片网格 */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.card-header {
    padding: 1.5rem;
    color: white;
    position: relative;
}

.card-header i {
    font-size: 2.5rem;
}

.card-actions {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: var(--transition);
}

.card:hover .card-actions {
    opacity: 1;
}

.card-action-btn {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: none;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-action-btn:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.card-body {
    padding: 1.5rem;
}

.card-body h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.card-body p {
    color: var(--secondary-color);
    font-size: 0.95rem;
    line-height: 1.5;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.card-link:hover {
    color: #3a5985;
    gap: 12px;
}

.card-clicks {
    color: var(--secondary-color);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 添加新卡片按钮 */
.add-new-card {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px dashed var(--border-color);
    background-color: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.add-new-card:hover {
    border-color: var(--primary-color);
    background-color: rgba(74, 111, 165, 0.05);
    transform: none;
}

.add-new-card .card-body {
    text-align: center;
    color: var(--primary-color);
}

.add-new-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.add-new-card h3 {
    color: var(--primary-color);
}

/* 功能特色 */
.features {
    margin: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #6c8bc7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature p {
    color: var(--secondary-color);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--danger-color);
}

form {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.icon-selector {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.icon-option {
    width: 45px;
    height: 45px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.icon-option:hover,
.icon-option.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(74, 111, 165, 0.1);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* 页脚 */
.footer {
    background-color: var(--card-bg);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.footer-section a {
    display: block;
    color: var(--secondary-color);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-color);
}

/* 菜单切换按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
}

/* 新增样式 */

/* 搜索结果显示 */
.search-results-header {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.search-results-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.search-results-header p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

/* 无结果提示 */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--secondary-color);
}

.no-results i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--border-color);
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.no-results p {
    margin-bottom: 1.5rem;
}

/* 分类徽章 */
.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 10px;
}

.card-category {
    margin-top: 10px;
}

/* 热门网站推荐 */
.popular-section {
    margin: 4rem 0;
}

.popular-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.popular-card {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.popular-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.popular-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.5rem;
}

.popular-card-info h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--text-color);
}

.popular-card-info p {
    font-size: 0.85rem;
    color: var(--secondary-color);
    line-height: 1.4;
}

/* 颜色预设 */
.color-picker {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.color-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.color-preset {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.color-preset:hover {
    transform: scale(1.1);
    border-color: var(--border-color);
}

.color-preset.active {
    border-color: var(--text-color);
    transform: scale(1.1);
}

/* 复选框样式 */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

/* 图标选择器优化 */
.icon-selector {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.icon-option {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.icon-option:hover,
.icon-option.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(74, 111, 165, 0.1);
    transform: scale(1.1);
}

/* 下拉菜单分隔线 */
.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

/* 表单提示文字 */
.form-text {
    display: block;
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* 加载动画 */
.loading-icon {
    margin-left: 8px;
}

/* 置顶图标 */
.fa-thumbtack.pinned {
    transform: rotate(45deg);
    color: #FFD166;
}

/* 用户面板样式 */
.dashboard {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.dashboard-sidebar {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    height: fit-content;
    box-shadow: var(--shadow);
}

.user-profile {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--primary-color);
}

.user-profile h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

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

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-item:hover {
    background-color: rgba(74, 111, 165, 0.1);
    color: var(--primary-color);
}

.nav-item.active {
    background-color: var(--primary-color);
    color: white;
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.dashboard-content {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-card i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.stat-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .icon-selector {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .popular-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .icon-selector {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .color-picker {
        flex-direction: column;
        align-items: flex-start;
    }
}