/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 防止滚动条导致的布局偏移 */
html {
    overflow-y: scroll; /* 始终显示垂直滚动条 */
    scrollbar-width: thin; /* Firefox */
}

/* 搜索高亮样式 */
.highlight {
    background-color: rgba(74, 158, 255, 0.3);
    border-radius: 2px;
    padding: 0 2px;
    font-weight: bold;
    color: #ffffff;
}

body {
    font-family: var(--font-body);
    font-weight: var(--font-weight-body);
    line-height: 1.6;
    background-color: #1a1b1e;
    color: #e4e6eb;
    min-height: 100vh;
    overflow: hidden; /* 防止body滚动 */
    padding-right: 0 !important; /* 防止滚动条导致的布局偏移 */
}

/* 布局 */
.layout {
    display: flex;
    min-height: 100vh;
    opacity: 0;
    animation: fadeIn 0.3s ease-out forwards;
    position: relative;
    z-index: 1;
    overflow: hidden; /* 防止layout滚动 */
}

/* 移动端基础样式 */
.mobile-buttons {
    display: none;
    position: fixed;
    top: 1rem;
    left: 0;
    right: 0;
    width: 100%;
    padding: 0 1rem;
    justify-content: space-between;
    z-index: 1000; /* 确保在最上层 */
    pointer-events: none; /* 防止按钮区域阻挡其他内容 */
}

.menu-toggle,
.search-toggle {
    background: #2d2e32;
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    pointer-events: auto; /* 恢复按钮的点击事件 */
}

.menu-toggle:hover,
.search-toggle:hover {
    background: #3a3b3f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.menu-toggle:active,
.search-toggle:active {
    transform: translateY(0);
}

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 90;
    backdrop-filter: blur(4px);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 侧边栏样式 */
.sidebar {
    width: 240px;
    background-color: #2d2e32;
    padding: 2rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    height: 100vh; /* 确保高度固定 */
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.logo h1 {
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 2rem;
    padding-left: 0.5rem;
    letter-spacing: 0.5px;
}

/* 导航区域样式 */
.nav-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.section-title {
    font-size: 1rem;
    color: #4a9eff;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    font-size: 1.2rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.8rem;
    color: #a1a2a5;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item .icon-container {
    width: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 1rem;
}

.nav-item .nav-text {
    flex: 1;
}

.nav-item .external-icon {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-left: 0.5rem;
    transition: all 0.3s ease;
}

.nav-item:hover {
    background-color: #3a3b3f;
    color: #fff;
}

.nav-item:hover .external-icon {
    opacity: 1;
    transform: translateX(2px);
}

.nav-item.active {
    background-color: #3a3b3f;
    color: #fff;
}

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

/* 主内容区域 - 修复滚动条问题 */
.content {
    flex: 1;
    margin-left: 240px;
    padding: 2rem 0;
    background-color: #1a1b1e;
    position: relative;
    height: 100vh; /* 固定高度 */
    overflow-y: scroll; /* 始终使用滚动，而不是auto */
    overflow-x: hidden;
    max-width: calc(100vw - 240px);
    display: flex;
    flex-direction: column;
    align-items: center;
    scrollbar-width: thin; /* Firefox */
}

.content::-webkit-scrollbar {
    width: 8px; /* 固定滚动条宽度 */
}

.content::-webkit-scrollbar-track {
    background: transparent;
}

.content::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.content::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 搜索框容器 - 固定在顶部 */
.search-container {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 0 2rem;
    margin-bottom: 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

/* 搜索框 */
.search-box {
    position: relative;
    width: 100%;
    max-width: 600px;
    background-color: #2d2e32;
    border-radius: 12px;
}

.search-box::after {
    content: '';
    position: absolute;
    right: 3.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.3s ease;
}

.search-box.has-results::after {
    background-color: #4caf50;
    opacity: 1;
}

.search-box.no-results::after {
    background-color: #f44336;
    opacity: 1;
}

.search-box input {
    width: 100%;
    padding: 1rem 4rem 1rem 1.5rem;
    border: none;
    border-radius: 12px;
    background-color: transparent;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.search-box input:focus {
    outline: none;
    background-color: #3a3b3f;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.search-box input::placeholder {
    color: #8b8c8f;
}

.search-box i {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: #8b8c8f;
    transition: all 0.3s ease;
}

.search-box.has-results i {
    color: #4caf50;
}

.search-box.no-results i {
    color: #f44336;
}

/* 页面容器 */
.page {
    position: relative;
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
    padding-top: 2rem;
}

.page.active {
    display: flex;
    animation: fadeIn 0.3s ease-out forwards;
}

/* 欢迎区域 */
.welcome-section {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto 3.5rem auto;
    padding: 0 6rem 0 8rem;
    text-align: left;
    position: relative;
    z-index: 5;
}

.welcome-section h2 {
    font-family: var(--font-title);
    font-weight: var(--font-weight-title);
    font-size: 2.4rem;
    color: #fff;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.welcome-section h3 {
    font-family: var(--font-subtitle);
    font-weight: var(--font-weight-subtitle);
    font-size: 2rem;
    margin-bottom: 1rem;
    letter-spacing: 0.3px;
    background: linear-gradient(135deg, #4a9eff 0%, #a855f7 50%, #ff6b6b 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
    text-shadow: 0 0 20px rgba(74, 158, 255, 0.1);
    animation: glow 2s ease-in-out infinite alternate;
}

.welcome-section h3::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: inherit;
    filter: blur(20px);
    opacity: 0.3;
    z-index: -1;
}

.welcome-section .subtitle {
    color: #8b8c8f;
    font-size: 1.1rem;
    line-height: 1.5;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 2px rgba(74, 158, 255, 0.2))
               drop-shadow(0 0 4px rgba(168, 85, 247, 0.2));
    }
    to {
        filter: drop-shadow(0 0 4px rgba(74, 158, 255, 0.4))
               drop-shadow(0 0 8px rgba(168, 85, 247, 0.4));
    }
}

/* 分类样式 */
.category {
    background: linear-gradient(145deg, #2f3035, #2b2c30);
    border-radius: 16px;
    padding: 2rem;
    margin: 0 auto 2.5rem auto;
    width: 100%;
    max-width: 1100px;
    position: relative;
    z-index: 1;
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.category h2 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    letter-spacing: 0.3px;
}

.category h2 i {
    color: #4a9eff;
    font-size: 1.3rem;
}

/* 网站卡片网格 */
.sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.2rem;
    position: relative;
    z-index: 1;
    width: 100%;
}

/* 网站卡片样式 */
.site-card {
    background: linear-gradient(145deg, #363940, #31343a);
    border-radius: 12px;
    padding: 1.2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    backface-visibility: hidden;
    transform: translateZ(0);
    will-change: transform;
    max-width: 100%;
    position: relative;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 2;
}

.site-card:hover {
    transform: translateY(-4px);
    background: linear-gradient(145deg, #3e4249, #383b41);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.1);
}

.site-card i {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #4a9eff;
    transition: all 0.3s ease;
}

.site-card:hover i {
    transform: scale(1.1);
    color: #5ba9ff;
}

.site-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: #fff;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.site-card p {
    font-size: 0.9rem;
    color: #a1a2a5;
    margin: 0;
    line-height: 1.4;
}

/* 添加编辑按钮 */
.edit-buttons {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.site-card:hover .edit-buttons {
    opacity: 1;
}

.edit-btn, .delete-btn {
    background: none;
    border: none;
    color: #8b8c8f;
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.edit-btn:hover, .delete-btn:hover {
    color: #fff;
    background-color: #4a4b4f;
}

/* 添加网站按钮 */
.add-site-btn {
    background: linear-gradient(145deg, #363940, #31343a);
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    padding: 1.5rem;
    color: #8b8c8f;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.add-site-btn:hover {
    background: linear-gradient(145deg, #3e4249, #383b41);
    border-color: #4a9eff;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.add-site-btn i {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
    transition: transform 0.3s ease;
}

.add-site-btn:hover i {
    transform: scale(1.1);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    animation: modalFadeIn 0.3s ease-out forwards;
}

.modal-content {
    background-color: #2d2e32;
    border-radius: 16px;
    padding: 2.2rem;
    width: 90%;
    max-width: 520px;
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: scale(0.95);
    opacity: 0;
    animation: modalContentShow 0.3s ease-out forwards;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.modal-header h3 {
    color: #fff;
    font-size: 1.3rem;
    letter-spacing: 0.3px;
    font-weight: 500;
}

.close-modal {
    background: none;
    border: none;
    color: #8b8c8f;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.5rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.close-modal:hover {
    color: #fff;
    background-color: #3a3b3f;
}

/* 表单样式 */
.site-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.form-group label {
    color: #8b8c8f;
    font-size: 0.95rem;
    letter-spacing: 0.2px;
}

.form-group input, .form-group select {
    background-color: #3a3b3f;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 0.9rem 1.2rem;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    background-color: #3a3b3f;
    border-color: #4a9eff;
    box-shadow: 0 2px 8px rgba(74, 158, 255, 0.15);
}

.form-group input::placeholder {
    color: #8b8c8f;
}

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

.btn {
    padding: 0.9rem 1.8rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: #4a9eff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #3a8eef;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.2);
}

.btn-secondary {
    background-color: #3a3b3f;
    color: #8b8c8f;
}

.btn-secondary:hover {
    background-color: #4a4b4f;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .welcome-section {
        padding: 0 4rem;
        margin-bottom: 3rem;
    }
    
    .category {
        max-width: 900px;
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    /* 显示移动端按钮 */
    .mobile-buttons {
        display: flex;
    }

    /* 内容区域样式 */
    .content {
        margin-left: 0;
        max-width: 100vw;
        padding: 4.5rem 1rem 2rem;
    }

    /* 侧边栏样式 */
    .sidebar {
        transform: translateX(-100%);
        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        width: 240px;
        z-index: 150;
        padding-top: calc(2rem + 60px); /* 增加顶部padding，为按钮留出空间 */
    }

    .sidebar.active {
        transform: translateX(0);
    }

    /* 搜索框容器样式 */
    .search-container {
        position: fixed;
        top: calc(1rem + 50px); /* 将搜索框下移，避开按钮 */
        right: 1rem;
        width: 0;
        padding: 0;
        margin: 0;
        overflow: hidden;
        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        background: transparent;
        z-index: 150;
    }

    .search-container.active {
        width: calc(100% - 2rem); /* 调整宽度计算 */
        right: 1rem; /* 统一右侧间距 */
    }

    .search-box {
        width: 100%;
        opacity: 0;
        transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .search-container.active .search-box {
        opacity: 1;
    }

    /* 搜索框样式优化 */
    .search-box input {
        padding: 0.8rem 3rem 0.8rem 1.2rem;
        font-size: 0.95rem;
        background-color: #2d2e32;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .search-box i {
        right: 1.2rem;
    }

    /* 导航文字显示 */
    .sidebar .logo h1,
    .sidebar .section-title,
    .sidebar .nav-item span {
        opacity: 1;
        display: block;
    }

    /* 欢迎区域样式 */
    .welcome-section {
        padding: 0 1rem;
        margin-top: 1rem; /* 增加顶部间距 */
    }

    .welcome-section h2 {
        font-size: 2rem;
    }

    .welcome-section h3 {
        font-size: 1.6rem;
        background: linear-gradient(135deg, #4a9eff 0%, #a855f7 100%);
        -webkit-background-clip: text;
        background-clip: text;
        animation: glow 3s ease-in-out infinite alternate;
    }

    /* 分类样式优化 */
    .category {
        margin: 0 1rem 1.5rem;
        padding: 1.5rem;
    }

    .sites-grid {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .welcome-section {
        padding: 0 1.5rem;
        margin-bottom: 2rem;
    }

    .category {
        margin: 0 1rem 1.2rem 1rem;
        padding: 1.2rem;
    }

    .search-container {
        padding: 0 1rem;
    }

    .page {
        padding-top: 1rem;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 搜索结果页面 */
#search-results {
    position: relative;
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
    z-index: 15;
    transform: none !important; /* 确保没有变换 */
    min-height: 400px; /* 确保最小高度，防止内容过少时的布局跳动 */
}

#search-results.active {
    display: flex;
    animation: fadeIn 0.3s ease-out forwards;
}

/* 搜索结果区域 */
.search-section {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto 2.5rem auto; /* 添加底部间距 */
    position: relative;
    z-index: 1;
    transform: none !important; /* 确保没有变换 */
    opacity: 1 !important; /* 确保可见 */
}

/* 确保搜索结果中的网格有正确的间距 */
.search-section .sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.2rem; /* 确保间距一致 */
    position: relative;
    z-index: 1;
    width: 100%;
}

/* 确保搜索结果中的卡片样式正确 */
.search-section .site-card {
    margin: 0; /* 重置可能的外边距 */
    width: 100%; /* 确保宽度正确 */
}

/* 清除之前可能导致问题的样式 */
.page {
    transform: none !important;
    visibility: visible;
    transition: none;
    width: 100% !important; /* 确保宽度一致 */
    left: 0 !important; /* 确保位置固定 */
}

/* 优化布局结构 */
.layout {
    position: relative;
    z-index: 1;
}

.sidebar {
    z-index: 100;
}

/* 确保内容不会重叠 */
.site-card {
    position: relative;
    z-index: 2;
}

.sites-grid {
    position: relative;
    z-index: 1;
    width: 100%;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modalContentShow {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 版权声明 */
.copyright {
    margin-top: auto;
    padding-top: 1rem;
    text-align: center;
    color: #8b8c8f;
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.copyright a {
    color: #4a9eff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.copyright a:hover {
    color: #3a8eef;
    text-decoration: underline;
}