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

:root {
    --primary-color: #0969da;
    --primary-hover: #0550ae;
    --bg-color: #ffffff;
    --text-color: #24292f;
    --border-color: #d0d7de;
    --sidebar-bg: #f6f8fa;
    --hover-bg: #f3f4f6;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* ==================== 首页样式 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-lg);
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

.main-content {
    min-height: 400px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.category-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 600;
}

.doc-count {
    color: #656d76;
    margin-bottom: 16px;
    font-size: 0.95rem;
}


.read-btn {
    width: 100%;
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    margin-top: 16px;
}

.read-btn:hover {
    background: var(--primary-hover);
}

/* ==================== 阅读页样式 ==================== */
.reader-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    transition: transform 0.3s ease;
    position: fixed;
    top: 0;
    height: 100vh;
}

.left-sidebar {
    width: 280px;
    min-width: 280px;
    left: 0;
}

.right-sidebar {
    width: 260px;
    min-width: 260px;
    border-right: none;
    right: 0;
    background: white;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: white;
    position: sticky;
    top: 0;
    z-index: 10;
}

.sidebar-header h2,
.sidebar-header h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-icons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.icon-btn {
    font-size: 1.2rem;
    background: none;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease;
    padding: 4px;
    text-decoration: none;
}

.icon-btn:hover {
    transform: scale(1.2);
}

.content-area {
    flex: 1;
    padding: 40px;
    background: white;
    position: relative;
    margin-left: 280px;
    margin-right: 260px;
    min-height: 100vh;
}

/* ==================== 搜索功能样式 ==================== */
.search-container {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    display: none;
    animation: slideDown 0.3s ease-out;
}

.search-container.active {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 600px;
}

#search-input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

#search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-icon-btn {
    padding: 10px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.3s;
}

.search-icon-btn:hover {
    background: var(--primary-hover);
}

.close-search-box-btn {
    padding: 8px 12px;
    background: none;
    color: #656d76;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 6px;
}

.close-search-box-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-color);
}

/* 搜索结果浮层 */
.search-results {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: calc(100% - 80px);
    max-width: 900px;
    max-height: 80vh;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    overflow: hidden;
}

/* 搜索结果背景遮罩 */
.search-results::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.search-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--sidebar-bg);
}

.search-results-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
}

.search-results-content {
    max-height: calc(70vh - 60px);
    overflow-y: auto;
    padding: 20px;
}

.results-section {
    margin-bottom: 24px;
}

.results-section:last-child {
    margin-bottom: 0;
}

.results-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-color);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-result-item {
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    transition: all 0.2s;
}

.search-result-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.result-doc-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.result-count {
    font-size: 0.85rem;
    color: #656d76;
    background: white;
    padding: 2px 8px;
    border-radius: 12px;
}

.result-match {
    padding: 8px;
    background: white;
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    margin-top: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.result-match:hover {
    background: rgba(9, 105, 218, 0.05);
    transform: translateX(4px);
}

.match-line-number {
    font-size: 0.8rem;
    color: #656d76;
    margin-bottom: 4px;
}

.match-snippet {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-color);
}

.search-highlight {
    background: #fff3cd;
    color: #856404;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

.no-results {
    text-align: center;
    padding: 20px;
    color: #656d76;
    font-style: italic;
}

/* 搜索结果空状态样式 */
.empty-search-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.empty-icon {
    margin-bottom: 24px;
    color: #8b949e;
    opacity: 0.6;
}

.empty-icon svg {
    width: 64px;
    height: 64px;
}

.empty-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0 0 12px 0;
}

.empty-text {
    font-size: 0.95rem;
    color: #656d76;
    margin: 0;
    line-height: 1.5;
}

/* 临时高亮效果 */
.temp-highlight {
    animation: highlightFade 2s ease-out;
}

@keyframes highlightFade {
    0% {
        background-color: #fff3cd;
    }
    100% {
        background-color: transparent;
    }
}

/* 文档导航 */
.doc-nav {
    padding: 12px;
}

.nav-item {
    margin: 4px 0;
}

.nav-link {
    display: block;
    padding: 10px 12px;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 0.95rem;
}

.nav-link:hover {
    background: var(--hover-bg);
    color: var(--primary-color);
}

.nav-item.active .nav-link {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.nav-item.level-1 {
    margin-left: 16px;
}

.nav-item.level-2 {
    margin-left: 32px;
}

/* TOC 样式 - VitePress风格 */
.toc {
    padding: 16px 16px 16px 16px;
    position: relative;
}

/* VitePress风格：左侧竖线 */
.toc::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 16px;
    bottom: 16px;
    width: 1px;
    background: var(--border-color);
}

.toc-link {
    display: block;
    padding: 2px 0 2px 14px;
    color: #6b7280;
    text-decoration: none;
    transition: all 0.25s;
    font-size: 0.8125rem;
    margin: 0;
    line-height: 1.5;
    position: relative;
    border-left: 1px solid transparent;
}

.toc-link:hover {
    color: var(--text-color);
}

/* VitePress风格：活跃状态的蓝色竖线 */
.toc-link.active {
    color: var(--primary-color);
    font-weight: 500;
    border-left-color: var(--primary-color);
}

/* 各级标题缩进 - VitePress风格更紧凑 */
.toc-level-1 {
    padding-left: 14px;
    font-weight: 500;
    font-size: 0.8125rem;
}
.toc-level-2 {
    padding-left: 24px;
    font-size: 0.78rem;
}
.toc-level-3 {
    padding-left: 34px;
    font-size: 0.78rem;
}
.toc-level-4 {
    padding-left: 44px;
    font-size: 0.78rem;
}
.toc-level-5 {
    padding-left: 54px;
    font-size: 0.78rem;
}
.toc-level-6 {
    padding-left: 64px;
    font-size: 0.78rem;
}

.toc-empty {
    padding: 12px;
    color: #656d76;
    font-size: 0.85rem;
    font-style: italic;
    text-align: center;
}

/* 侧边栏切换按钮 */
.toggle-sidebar-btn {
    display: none;
    position: fixed;
    bottom: 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.toggle-sidebar-btn:hover {
    opacity: 1;
    background: var(--primary-hover);
    transform: scale(1.1);
}

.toggle-sidebar-btn:active {
    transform: scale(0.95);
}

#toggle-left {
    left: 20px;
}

#toggle-right {
    right: 20px;
}

/* ==================== GitHub 风格 Markdown 样式 ==================== */
.markdown-body {
    font-size: 16px;
    line-height: 1.6;
    word-wrap: break-word;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-color);
}

.markdown-body h1 {
    font-size: 2em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

.markdown-body h2 {
    font-size: 1.5em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

.markdown-body h3 {
    font-size: 1.25em;
}

.markdown-body h4 {
    font-size: 1em;
}

.markdown-body h5 {
    font-size: 0.875em;
}

.markdown-body h6 {
    font-size: 0.85em;
    color: #656d76;
}

.markdown-body p {
    margin-top: 0;
    margin-bottom: 16px;
}

.markdown-body a {
    color: var(--primary-color);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body ul,
.markdown-body ol {
    margin-top: 0;
    margin-bottom: 16px;
    padding-left: 2em;
}

.markdown-body li {
    margin-top: 0.25em;
}

.markdown-body blockquote {
    margin: 0 0 16px 0;
    padding: 0 1em;
    color: #656d76;
    border-left: 0.25em solid var(--border-color);
}

.markdown-body code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(175, 184, 193, 0.2);
    border-radius: 6px;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
}

.markdown-body pre {
    margin-top: 0;
    margin-bottom: 16px;
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background-color: #f6f8fa;
    border-radius: 6px;
}

.markdown-body pre code {
    display: block;
    padding: 0;
    margin: 0;
    overflow: visible;
    line-height: inherit;
    word-wrap: normal;
    background-color: transparent;
    border: 0;
}

.markdown-body table {
    border-spacing: 0;
    border-collapse: collapse;
    margin-top: 0;
    margin-bottom: 16px;
    width: 100%;
    overflow: auto;
}

.markdown-body table th,
.markdown-body table td {
    padding: 6px 13px;
    border: 1px solid var(--border-color);
}

.markdown-body table th {
    font-weight: 600;
    background-color: var(--sidebar-bg);
}

.markdown-body table tr {
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

.markdown-body table tr:nth-child(2n) {
    background-color: var(--sidebar-bg);
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}

.markdown-body hr {
    height: 0.25em;
    padding: 0;
    margin: 24px 0;
    background-color: var(--border-color);
    border: 0;
}

/* ==================== 文档导航（上一页/下一页） ==================== */
.doc-navigation {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 60px;
    padding: 40px 0;
    border-top: 2px solid var(--border-color);
}

.nav-prev,
.nav-next {
    flex: 0 0 calc(50% - 10px);
    display: flex;
    flex-direction: column;
    padding: 20px 24px;
    background: var(--sidebar-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 100px;
    justify-content: center;
}

.nav-prev:hover,
.nav-next:hover {
    border-color: var(--primary-color);
    background: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-label {
    font-size: 0.85rem;
    color: #656d76;
    font-weight: 500;
    margin-bottom: 8px;
}

.nav-prev .nav-label {
    text-align: left;
}

.nav-next .nav-label {
    text-align: right;
}

.nav-doc-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    line-height: 1.4;
    word-wrap: break-word;
}

.nav-prev .nav-doc-name {
    text-align: left;
}

.nav-next .nav-doc-name {
    text-align: right;
}

/* 同时有上一页和下一页时，两侧分布 */
.doc-navigation.has-both {
    justify-content: space-between;
}

/* 只有下一页时（首页），下一页按钮固定在右侧 */
.doc-navigation.has-next-only {
    justify-content: flex-end;
}

/* 只有上一页时（末页），上一页按钮固定在左侧 */
.doc-navigation.has-prev-only {
    justify-content: flex-start;
}

/* ==================== 加载和错误状态 ==================== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: #656d76;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error,
.error-message {
    padding: 20px;
    background: #fff1f0;
    color: #cf222e;
    border: 1px solid #ffcccb;
    border-radius: 8px;
    margin: 20px 0;
    text-align: center;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .right-sidebar {
        z-index: 100;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .right-sidebar.collapsed {
        transform: translateX(100%);
    }

    .right-sidebar:not(.collapsed) {
        transform: translateX(0);
    }

    .content-area {
        padding: 30px;
        margin-right: 0;
    }

    #toggle-right {
        display: block;
    }

    .search-results {
        width: calc(100% - 60px);
    }
}

@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .categories-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .left-sidebar {
        z-index: 100;
        transform: translateX(-100%);
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .right-sidebar {
        z-index: 100;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .content-area {
        padding: 20px;
        margin-left: 0;
        margin-right: 0;
        width: 100%;
    }

    .search-container {
        padding-bottom: 15px;
        margin-bottom: 15px;
    }

    .search-box {
        max-width: 100%;
    }

    #search-input {
        font-size: 0.9rem;
        padding: 8px 12px;
    }

    .search-icon-btn {
        padding: 8px 12px;
        font-size: 1rem;
    }

    .search-results {
        width: calc(100% - 20px);
        max-height: 85vh;
    }

    .search-results-content {
        padding: 15px;
        max-height: calc(80vh - 60px);
    }

    .result-match {
        padding: 6px;
    }

    .match-snippet {
        font-size: 0.85rem;
    }

    /* 移动端空状态样式调整 */
    .empty-search-state {
        padding: 40px 20px;
    }

    .empty-icon svg {
        width: 48px;
        height: 48px;
    }

    .empty-title {
        font-size: 1.1rem;
    }

    .empty-text {
        font-size: 0.9rem;
    }

    .toggle-sidebar-btn {
        display: block;
        width: 56px;
        height: 56px;
        font-size: 1.7rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        z-index: 1001;
    }

    #toggle-left {
        bottom: 20px;
        left: 20px;
    }

    #toggle-right {
        bottom: 20px;
        right: 20px;
    }

    /* 侧边栏展开/收起状态 */
    .left-sidebar.collapsed {
        transform: translateX(-100%);
    }

    .left-sidebar:not(.collapsed) {
        transform: translateX(0);
    }

    .right-sidebar.collapsed {
        transform: translateX(100%);
    }

    .right-sidebar:not(.collapsed) {
        transform: translateX(0);
    }

    /* 悬浮按钮调整 */
    .floating-action-btn {
        width: 45px;
        height: 45px;
        z-index: 1002;
        opacity: 0.45;
    }

    .floating-action-btn:hover {
        opacity: 1;
    }

    .back-to-top {
        bottom: 100px;
        right: 20px;
    }

    .edit-btn {
        bottom: 100px;
        right: 75px;
    }

    .editor-header {
        padding: 15px 20px;
    }

    .markdown-body {
        font-size: 14px;
    }

    .markdown-body h1 {
        font-size: 1.75em;
    }

    .markdown-body h2 {
        font-size: 1.4em;
    }

    .markdown-body pre {
        padding: 12px;
        font-size: 80%;
    }

    /* 文档导航（上一页/下一页）移动端样式 */
    .doc-navigation {
        flex-direction: column;
        gap: 16px;
        margin-top: 40px;
        padding: 30px 0;
    }

    /* 移动端垂直布局，始终从上到下排列 */
    .doc-navigation.has-next-only,
    .doc-navigation.has-prev-only {
        justify-content: flex-start;
    }

    .nav-prev,
    .nav-next {
        flex: 1 1 auto;
        min-height: 80px;
        padding: 16px 20px;
    }

    .nav-label {
        font-size: 0.8rem;
    }

    .nav-doc-name {
        font-size: 1rem;
    }

    /* TOC 移动端样式 */
    .toc {
        padding: 12px 12px 12px 12px;
    }

    .toc::before {
        left: 16px;
        top: 12px;
        bottom: 12px;
    }

    .toc-link {
        font-size: 0.78rem;
        padding: 2px 0 2px 12px;
        line-height: 1.4;
    }

    .toc-level-1 {
        padding-left: 12px;
        font-size: 0.78rem;
    }
    .toc-level-2 {
        padding-left: 20px;
        font-size: 0.75rem;
    }
    .toc-level-3 {
        padding-left: 28px;
        font-size: 0.75rem;
    }
    .toc-level-4 {
        padding-left: 36px;
        font-size: 0.75rem;
    }
}

/* 悬浮操作按钮（通用样式） */
.floating-action-btn {
    position: fixed;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0.35;
    transition: all 0.3s ease;
    z-index: 1002;
    outline: none;
}

.floating-action-btn:hover {
    opacity: 1;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.floating-action-btn:active {
    transform: translateY(-1px);
}

.floating-action-btn svg {
    display: block;
}

/* 回到顶部按钮 */
.back-to-top {
    bottom: 40px;
    right: 40px;
}

.back-to-top.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 编辑按钮 */
.edit-btn {
    bottom: 40px;
    right: 110px; /* 在回到顶部按钮左侧 */
}

.edit-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

/* 编辑按钮激活状态 */
.edit-btn.active {
    opacity: 1;
    background: #28a745;
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.4);
}

.edit-btn.active:hover {
    background: #218838;
    box-shadow: 0 6px 16px rgba(40, 167, 69, 0.5);
}

/* 编辑器容器 */
.editor-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    z-index: 10;
    display: flex;
    flex-direction: column;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: var(--sidebar-bg);
    border-bottom: 2px solid var(--border-color);
}

.editor-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-color);
}

.editor-header h3 span {
    color: var(--primary-color);
    font-weight: 600;
}

.editor-actions {
    display: flex;
    gap: 12px;
}

.editor-action-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.save-btn:hover {
    background: var(--primary-hover);
}

.cancel-btn {
    background: #6c757d;
    color: white;
}

.cancel-btn:hover {
    background: #5a6268;
}

/* Markdown编辑器 */
.markdown-editor {
    flex: 1;
    padding: 30px;
    border: none;
    outline: none;
    font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: none;
    background: white;
    color: var(--text-color);
}

.markdown-editor::placeholder {
    color: #656d76;
}

/* 成功提示动画 */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* ==================== 代码复制功能样式 ==================== */
/* 代码块容器 */
.code-block-wrapper {
    position: relative;
    margin: 1em 0;
}

/* 复制按钮 */
.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    opacity: 0;
    z-index: 10;
}

/* 代码块悬停时显示复制按钮 */
.code-block-wrapper:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.code-copy-btn:active {
    transform: scale(0.95);
}

/* 复制按钮图标 */
.code-copy-btn svg {
    width: 14px;
    height: 14px;
}

/* 复制成功状态 */
.code-copy-btn.copied {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 确保代码块有正确的样式 */
pre {
    position: relative;
    background: #f6f8fa;
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    margin: 1em 0;
}

pre code {
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.45;
}

/* ==================== 图片样式优化 ==================== */
.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 1em 0;
    display: block;
}

.markdown-body img:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: scale(1.02);
    transition: all 0.3s ease;
}

/* 图片加载失败样式 */
.img-error {
    border: 1px dashed #ccc;
    padding: 10px;
    min-height: 100px;
    display: block;
    background-color: #f5f5f5;
    color: #666;
    text-align: center;
    line-height: 100px;
}