/* ==================== Instant Navigation 修复 ==================== */
/* 默认隐藏设置元素 */
.settings-btn,
.settings-panel {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

/* 只在主页显示 */
body.is-homepage .settings-btn {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}

body.is-homepage .settings-panel {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* ==================== 强制覆盖 Material 主题样式 ==================== */
/* 强制设置按钮在主页显示 */
body.is-homepage #settingsToggle {
    position: fixed !important;
    top: 20px !important;
    right: 20px !important;
    z-index: 9999 !important;
    background: var(--md-primary-fg-color, #448aff) !important;
    color: white !important;
    width: 50px !important;
    height: 50px !important;
    border-radius: 50% !important;
    border: none !important;
    cursor: pointer !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.5em !important;
}

/* 强制设置面板在主页显示 */
body.is-homepage #settingsPanel {
    z-index: 10000 !important;
    position: fixed !important;
    top: 0 !important;
    right: -400px !important;
    width: 350px !important;
    height: 100vh !important;
    background: var(--md-default-bg-color, white) !important;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1) !important;
    transition: right 0.3s ease !important;
    padding: 20px !important;
    overflow-y: auto !important;
}

body.is-homepage #settingsPanel.active {
    right: 0 !important;
}

/* ==================== 原样式（修正后） ==================== */
:root {
    /* Material Design 颜色变量 - 与MkDocs默认主题匹配 */
    --md-primary-fg-color: #4051b5;
    --md-primary-fg-color--light: #5d6cc0;
    --md-primary-fg-color--dark: #303fa1;
    --md-accent-fg-color: #ff4081;
    --md-default-bg-color: #ffffff;
    --md-default-fg-color: #000000;
    --md-default-fg-color--light: #666666;
    --md-default-fg-color--lighter: #999999;
    --md-code-bg-color: #f5f5f5;
    --md-code-fg-color: #333333;
    --md-typeset-color: #333333;
    --md-typeset-a-color: var(--md-primary-fg-color);
    --md-footer-bg-color: #f5f5f5;
    --md-footer-fg-color: #666666;
    
    /* 导航页自定义变量 */
    --card-bg: rgba(255, 255, 255, 0.95);
    --border-color: rgba(0, 0, 0, 0.08);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    --blur-intensity: 8px;
    --background-image: none;
    --background-opacity: 0.03;
    --container-max-width: 1200px;
    --ui-opacity: 0.95;
}

[data-md-color-scheme="slate"] {
    --md-default-bg-color: #121212;
    --md-default-fg-color: #ffffff;
    --md-default-fg-color--light: #aaaaaa;
    --md-default-fg-color--lighter: #777777;
    --md-code-bg-color: #1e1e1e;
    --md-code-fg-color: #e0e0e0;
    --md-typeset-color: #e0e0e0;
    --md-footer-bg-color: #1a1a1a;
    --md-footer-fg-color: #aaaaaa;
    
    --card-bg: rgba(30, 30, 30, 0.95);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

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

/* ==================== 主页样式（只在 is-homepage 时应用） ==================== */
body.is-homepage {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--md-default-bg-color);
    color: var(--md-typeset-color);
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
    position: relative;
    line-height: 1.5;
}

body.is-homepage .background-layer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: var(--background-image);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
    transition: background-image 0.5s ease, opacity 0.5s ease;
    opacity: var(--background-opacity);
}

/* 设置按钮样式 - 只在主页生效 */
body.is-homepage #settingsToggle {
    background: rgba(255, 255, 255, var(--ui-opacity));
    border: 1px solid var(--border-color);
    color: var(--md-typeset-color);
    font-size: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all 0.3s;
    backdrop-filter: blur(var(--blur-intensity));
}

body.is-homepage #settingsToggle:hover {
    background: var(--md-primary-fg-color);
    color: white;
    transform: scale(1.05);
}

/* 统一容器样式 */
body.is-homepage .container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 主要内容区域 */
body.is-homepage .main-content {
    padding: 60px 0 30px;
}

/* 搜索区域 */
body.is-homepage .search-section {
    margin-bottom: 40px;
    text-align: center;
}

body.is-homepage .search-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--md-typeset-color);
}

body.is-homepage .search-subtitle {
    font-size: 15px;
    color: var(--md-default-fg-color--light);
    margin-bottom: 25px;
}

body.is-homepage .search-box {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

body.is-homepage .search-box input {
    width: 100%;
    padding: 14px 20px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, var(--ui-opacity));
    color: var(--md-typeset-color);
    font-size: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    backdrop-filter: blur(var(--blur-intensity));
    font-family: 'Noto Sans SC', sans-serif;
}

body.is-homepage .search-box input:focus {
    outline: none;
    border-color: var(--md-primary-fg-color);
    box-shadow: 0 0 0 2px rgba(64, 81, 181, 0.1);
}

/* 分类区域 */
body.is-homepage .categories-section {
    margin-bottom: 30px;
}

body.is-homepage .section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--md-typeset-color);
    text-align: center;
}

body.is-homepage .categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

body.is-homepage .category-btn {
    padding: 8px 16px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, var(--ui-opacity));
    color: var(--md-typeset-color);
    cursor: pointer;
    transition: all 0.3s;
    backdrop-filter: blur(var(--blur-intensity));
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 500;
    font-size: 14px;
}

body.is-homepage .category-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

body.is-homepage .category-btn.active {
    background-color: var(--md-primary-fg-color);
    color: white;
    border-color: var(--md-primary-fg-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(64, 81, 181, 0.2);
}

/* 链接网格 */
body.is-homepage .links-section {
    margin-bottom: 40px;
    display: none;
}

body.is-homepage .links-section.active {
    display: block;
}

body.is-homepage .links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    opacity: 1;
    transition: opacity 0.3s ease;
}

body.is-homepage .links-grid.fade-out {
    opacity: 0;
}

body.is-homepage .link-card {
    background-color: rgba(255, 255, 255, var(--ui-opacity));
    border-radius: 10px;
    padding: 20px 16px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s, opacity 0.3s;
    cursor: pointer;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: inherit;
    backdrop-filter: blur(var(--blur-intensity));
    border: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(15px);
    animation: card-appear 0.5s ease forwards;
}

@keyframes card-appear {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body.is-homepage .link-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background-color: rgba(255, 255, 255, 0.98);
    border-color: var(--md-primary-fg-color);
}

[data-md-color-scheme="slate"] body.is-homepage .link-card:hover {
    background-color: rgba(40, 40, 40, 0.98);
}

body.is-homepage .link-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    font-size: 20px;
    background-color: rgba(64, 81, 181, 0.08);
    color: var(--md-primary-fg-color);
    transition: transform 0.3s;
}

body.is-homepage .link-card:hover .link-icon {
    transform: scale(1.05);
    background-color: rgba(64, 81, 181, 0.12);
}

body.is-homepage .link-name {
    font-weight: 500;
    font-size: 14px;
}

/* 页脚 */
body.is-homepage .footer {
    margin-top: 50px;
    text-align: center;
    font-size: 13px;
    color: var(--md-default-fg-color--light);
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* 设置面板详细样式 */
body.is-homepage #settingsPanel {
    background-color: rgba(255, 255, 255, var(--ui-opacity));
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(var(--blur-intensity));
}

body.is-homepage .settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

body.is-homepage .settings-title {
    font-size: 18px;
    font-weight: 600;
}

body.is-homepage .close-settings {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--md-typeset-color);
    cursor: pointer;
    transition: transform 0.3s;
}

body.is-homepage .close-settings:hover {
    transform: rotate(90deg);
}

body.is-homepage .settings-section {
    margin-bottom: 20px;
}

body.is-homepage .settings-section h3 {
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--md-primary-fg-color);
}

body.is-homepage .background-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}

body.is-homepage .bg-option {
    aspect-ratio: 1;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

body.is-homepage .bg-option:hover {
    transform: scale(1.03);
}

body.is-homepage .bg-option.active {
    border-color: var(--md-primary-fg-color);
    box-shadow: 0 0 0 1px rgba(64, 81, 181, 0.2);
}

/* 极简主义背景选项 */
body.is-homepage .bg-option.preset-1 {
    background: #ffffff;
}

body.is-homepage .bg-option.preset-2 {
    background: #f8f9fa;
}

body.is-homepage .bg-option.preset-3 {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

body.is-homepage .bg-option.preset-4 {
    background: linear-gradient(135deg, #e3e9f7 0%, #ffffff 100%);
}

body.is-homepage .bg-option.preset-5 {
    background: #ffffff;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(64, 81, 181, 0.03) 10%, transparent 20%),
        radial-gradient(circle at 75% 75%, rgba(64, 81, 181, 0.03) 10%, transparent 20%);
}

body.is-homepage .bg-option.preset-6 {
    background: #ffffff;
    background-image: 
        linear-gradient(90deg, transparent 24px, rgba(64, 81, 181, 0.02) 24px, rgba(64, 81, 181, 0.02) 25px, transparent 25px),
        linear-gradient(0deg, transparent 24px, rgba(64, 81, 181, 0.02) 24px, rgba(64, 81, 181, 0.02) 25px, transparent 25px);
    background-size: 25px 25px;
}

body.is-homepage .custom-bg-input {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

body.is-homepage .custom-bg-input input {
    flex: 1;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, var(--ui-opacity));
    color: var(--md-typeset-color);
    transition: all 0.3s;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 14px;
}

body.is-homepage .custom-bg-input input:focus {
    outline: none;
    border-color: var(--md-primary-fg-color);
    box-shadow: 0 0 0 2px rgba(64, 81, 181, 0.1);
}

body.is-homepage .custom-bg-input button {
    padding: 8px 12px;
    border-radius: 6px;
    border: none;
    background-color: var(--md-primary-fg-color);
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 500;
    font-size: 14px;
}

body.is-homepage .custom-bg-input button:hover {
    background-color: var(--md-primary-fg-color--dark);
    transform: translateY(-1px);
}

body.is-homepage .slider-container {
    margin-bottom: 12px;
}

body.is-homepage .slider-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    font-size: 14px;
}

body.is-homepage .slider {
    width: 100%;
    height: 4px;
    border-radius: 4px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    transition: background 0.3s;
}

body.is-homepage .slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--md-primary-fg-color);
    cursor: pointer;
    transition: all 0.3s;
}

body.is-homepage .slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px rgba(64, 81, 181, 0.2);
}

body.is-homepage .reset-btn {
    padding: 10px 12px;
    border-radius: 6px;
    border: none;
    background-color: #ff4757;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Noto Sans SC', sans-serif;
    font-weight: 500;
    width: 100%;
    font-size: 14px;
}

body.is-homepage .reset-btn:hover {
    background-color: #ff3742;
    transform: translateY(-1px);
}

/* 空状态样式 */
body.is-homepage .empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 50px 20px;
    color: var(--md-default-fg-color--light);
}

body.is-homepage .empty-state i {
    font-size: 40px;
    margin-bottom: 12px;
    color: var(--md-default-fg-color--lighter);
}

body.is-homepage .empty-state p {
    font-size: 16px;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    body.is-homepage .links-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    body.is-homepage #settingsPanel {
        width: 100%;
        right: -100%;
    }
}

@media (max-width: 480px) {
    body.is-homepage .search-title {
        font-size: 22px;
    }
    
    body.is-homepage .categories {
        justify-content: center;
    }
    
    body.is-homepage .links-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* ==================== 移除冗余和冲突的样式 ==================== */
/* 删除以下部分，因为它们已经包含在 body.is-homepage 选择器中 */
/* 
.settings-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    ...
}

.settings-panel {
    position: fixed;
    top: 0;
    right: -400px;
    ...
}
*/

/* ==================== 确保 Material 主题兼容性 ==================== */
/* 防止 Material 主题隐藏我们的元素 */
body.is-homepage .md-content #settingsToggle,
body.is-homepage .md-content #settingsPanel {
    display: inherit !important;
}

/* 处理 Material 主题的过渡动画 */
body.is-homepage .md-content {
    position: relative;
}

/* 确保背景层在主题切换时保持 */
body.is-homepage .background-layer {
    transition: background-image 0.3s ease, opacity 0.3s ease;
}