/* 代码高亮样式 */

/* 代码块容器 */
.highlight {
    position: relative;
    margin: 0.5rem 0;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.highlight:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

/* 代码块标题栏 */
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem;
    background: linear-gradient(135deg, 
        var(--md-default-fg-color--lightest) 0%, 
        var(--md-default-bg-color) 100%);
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
}

.code-language {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--md-primary-fg-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.code-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* 复制按钮 */
.code-copy-button {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.code-copy-button:hover {
    background: var(--md-accent-fg-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.code-copy-button:active {
    transform: translateY(0);
}

.code-copy-button.copied {
    background: #4CAF50;
    color: white;
}

.code-copy-button.copied::after {
    content: '✓ Copied!';
    margin-left: 0.4rem;
    font-size: 0.75rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 代码内容区域 */
.codehilite {
    background: var(--md-code-bg-color);
    padding: 0.75rem;
    overflow-x: auto;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.3;
}

/* 行号样式 */
.codehilite pre {
    position: relative;
    margin: 0;
    padding: 0;
    background: transparent;
    overflow: visible;
}

.linenos {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    padding: 1.5rem 0;
    background: rgba(0, 0, 0, 0.05);
    border-right: 1px solid var(--md-default-fg-color--lightest);
    text-align: right;
    user-select: none;
    font-size: 0.85rem;
    color: var(--md-default-fg-color--light);
    min-width: 3.5rem;
}

.linenodiv {
    padding-right: 1rem;
}

.linenodiv pre {
    padding: 0;
    margin: 0;
    line-height: 1.3;
}

/* 代码行样式 */
.code {
    display: block;
    padding-left: 4.5rem;
    position: relative;
}

/* 语法高亮颜色 */
/* 关键字 */
.k { color: #ff6b6b; font-weight: bold; } /* 红色 */
/* 字符串 */
.s { color: #4ecdc4; } /* 青色 */
/* 注释 */
.c { color: #839496; font-style: italic; } /* 灰色 */
/* 数字 */
.m { color: #feca57; } /* 黄色 */
/* 函数名 */
.nf { color: #54a0ff; } /* 蓝色 */
/* 类名 */
.nc { color: #5f27cd; } /* 紫色 */
/* 操作符 */
.o { color: #ff9ff3; } /* 粉色 */
/* 属性 */
.na { color: #1dd1a1; } /* 绿色 */
/* 内置函数 */
.nb { color: #48dbfb; } /* 亮蓝色 */
/* 装饰器 */
.nd { color: #ff9f43; } /* 橙色 */
/* 错误 */
.err { color: #ff6b6b; background: rgba(255, 107, 107, 0.1); } /* 红色背景 */

/* 代码行高亮 */
.highlight-line {
    background: rgba(var(--md-primary-fg-color--rgb), 0.1);
    position: relative;
}

.highlight-line::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--md-primary-fg-color);
    border-radius: 2px;
}

/* 代码折叠 */
.code-fold {
    position: relative;
}

.fold-toggle {
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--md-default-fg-color--lightest);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--md-default-fg-color);
    transition: all 0.2s ease;
    z-index: 2;
}

.fold-toggle:hover {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
}

.fold-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.fold-content.expanded {
    max-height: 1000px; /* 足够大的值 */
}

/* 代码搜索高亮 */
.code-search-highlight {
    background: rgba(255, 235, 59, 0.3);
    border-radius: 2px;
    padding: 0 2px;
    animation: searchPulse 2s infinite;
}

@keyframes searchPulse {
    0%, 100% {
        background: rgba(255, 235, 59, 0.3);
    }
    50% {
        background: rgba(255, 235, 59, 0.6);
    }
}

/* 代码工具提示 */
.code-tooltip {
    position: absolute;
    background: var(--md-default-fg-color);
    color: var(--md-default-bg-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateY(-10px);
}

.code-tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.code-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--md-default-fg-color);
}

/* 代码行点击效果 */
.code-line {
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
}

.code-line:hover {
    background: rgba(255, 255, 255, 0.05);
}

.code-line.active {
    background: rgba(var(--md-primary-fg-color--rgb), 0.15);
}

/* 代码块缩放 */
.code-zoom-controls {
    position: absolute;
    top: 0.8rem;
    right: 1.2rem;
    display: flex;
    gap: 0.3rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.highlight:hover .code-zoom-controls {
    opacity: 1;
}

.zoom-button {
    width: 1.8rem;
    height: 1.8rem;
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--md-default-fg-color);
    transition: all 0.2s ease;
}

.zoom-button:hover {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border-color: var(--md-primary-fg-color);
}

/* 代码块主题适配 */
[data-md-color-scheme="default"] .highlight {
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-md-color-scheme="slate"] .highlight {
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="default"] .code-header {
    background: linear-gradient(135deg, #f5f5f5, #ffffff);
}

[data-md-color-scheme="slate"] .code-header {
    background: linear-gradient(135deg, #2d2d2d, #1a1a1a);
}

/* 代码块动画 */
@keyframes codeSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.highlight {
    animation: codeSlideIn 0.5s ease-out;
}

/* 代码块类型指示器 */
.code-type-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--md-primary-fg-color);
}

.code-type-python .code-type-indicator {
    background: linear-gradient(to bottom, #3776ab, #306998);
}

.code-type-javascript .code-type-indicator {
    background: linear-gradient(to bottom, #f7df1e, #d6ba32);
}

.code-type-html .code-type-indicator {
    background: linear-gradient(to bottom, #e34c26, #c53707);
}

.code-type-css .code-type-indicator {
    background: linear-gradient(to bottom, #264de4, #1b36b3);
}

.code-type-json .code-type-indicator {
    background: linear-gradient(to bottom, #6c6c6c, #4a4a4a);
}

/* 代码块统计 */
.code-stats {
    position: absolute;
    bottom: 0.8rem;
    right: 1.2rem;
    font-size: 0.75rem;
    color: var(--md-default-fg-color--light);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.highlight:hover .code-stats {
    opacity: 1;
}

/* 代码块书签 */
.code-bookmark {
    position: absolute;
    top: -10px;
    right: 20px;
    width: 20px;
    height: 30px;
    background: var(--md-accent-fg-color);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 100%);
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
}

.highlight:hover .code-bookmark {
    opacity: 1;
}

.code-bookmark:hover {
    transform: scale(1.2);
}

.code-bookmark.bookmarked {
    background: #ffd700;
}

/* 代码块分享 */
.code-share {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.highlight:hover .code-share {
    opacity: 1;
    visibility: visible;
    bottom: -15px;
}

.share-button {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.share-button:hover {
    transform: scale(1.1);
}

.share-copy {
    background: #4CAF50;
    color: white;
}

.share-download {
    background: #2196F3;
    color: white;
}

.share-print {
    background: #FF9800;
    color: white;
}

/* 代码块比较 */
.code-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.code-compare-item {
    position: relative;
}

.compare-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--md-default-fg-color--lightest);
    transform: translateX(-50%);
}

/* 代码块时间线 */
.code-timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline-marker {
    position: absolute;
    left: 0;
    width: 1rem;
    height: 1rem;
    background: var(--md-primary-fg-color);
    border-radius: 50%;
    transform: translateX(-50%);
}

.timeline-content {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 0.5rem;
    bottom: -2rem;
    width: 2px;
    background: var(--md-default-fg-color--lightest);
}

/* 代码块测验 */
.code-quiz {
    position: relative;
    padding: 1.5rem;
    background: rgba(var(--md-primary-fg-color--rgb), 0.05);
    border-radius: 8px;
    margin: 1rem 0;
}

.quiz-question {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--md-primary-fg-color);
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quiz-option {
    padding: 0.8rem;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quiz-option:hover {
    background: rgba(255, 255, 255, 0.05);
}

.quiz-option.correct {
    background: rgba(76, 175, 80, 0.1);
    border-color: #4CAF50;
}

.quiz-option.incorrect {
    background: rgba(244, 67, 54, 0.1);
    border-color: #F44336;
}

/* 代码块游戏化 */
.code-game {
    position: relative;
}

.game-progress {
    height: 4px;
    background: var(--md-default-fg-color--lightest);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.game-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    border-radius: 2px;
    transition: width 0.5s ease;
}

.game-points {
    position: absolute;
    top: 0.8rem;
    right: 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--md-primary-fg-color);
}

/* 代码块AR效果 */
.code-ar {
    position: relative;
    overflow: hidden;
}

.ar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.code-ar:hover .ar-overlay {
    opacity: 1;
}

.ar-button {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ar-button:hover {
    background: var(--md-accent-fg-color);
    transform: scale(1.1);
}

/* 代码块语音朗读 */
.code-speech {
    position: relative;
}

.speech-controls {
    position: absolute;
    top: 0.8rem;
    left: 1.2rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.highlight:hover .speech-controls {
    opacity: 1;
}

.speech-button {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: none;
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.speech-button:hover {
    background: var(--md-accent-fg-color);
    transform: scale(1.1);
}

.speech-button.playing {
    background: #4CAF50;
    animation: pulse 1.5s infinite;
}

/* 代码块协作 */
.code-collab {
    position: relative;
}

.collab-users {
    position: absolute;
    top: 0.8rem;
    left: 1.2rem;
    display: flex;
    gap: -0.5rem;
}

.user-avatar {
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 50%;
    border: 2px solid var(--md-default-bg-color);
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.collab-cursor {
    position: absolute;
    width: 2px;
    height: 1.2em;
    background: var(--md-accent-fg-color);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* 代码块版本控制 */
.code-version {
    position: relative;
}

.version-selector {
    position: absolute;
    top: 0.8rem;
    left: 1.2rem;
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 6px;
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    color: var(--md-default-fg-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.version-selector:hover {
    border-color: var(--md-primary-fg-color);
}

.version-diff {
    position: relative;
}

.diff-added {
    background: rgba(76, 175, 80, 0.1);
}

.diff-removed {
    background: rgba(244, 67, 54, 0.1);
}

.diff-line::before {
    content: '+';
    position: absolute;
    left: -1.5rem;
    color: #4CAF50;
    font-weight: bold;
}

.diff-removed .diff-line::before {
    content: '-';
    color: #F44336;
}

/* 代码块性能分析 */
.code-performance {
    position: relative;
}

.performance-meter {
    position: absolute;
    top: 0.8rem;
    right: 1.2rem;
    width: 60px;
    height: 60px;
}

.performance-circle {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.performance-bg {
    stroke: var(--md-default-fg-color--lightest);
}

.performance-value {
    stroke: var(--md-primary-fg-color);
    stroke-dasharray: 100;
    stroke-dashoffset: calc(100 - var(--performance, 0));
    transition: stroke-dashoffset 1s ease;
}

.performance-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--md-primary-fg-color);
}

/* 代码块安全扫描 */
.code-security {
    position: relative;
}

.security-scan {
    position: absolute;
    top: 0.8rem;
    left: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.security-status {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 50%;
}

.security-status.safe {
    background: #4CAF50;
    animation: pulse 2s infinite;
}

.security-status.warning {
    background: #FF9800;
    animation: pulse 1s infinite;
}

.security-status.danger {
    background: #F44336;
    animation: pulse 0.5s infinite;
}

.security-issues {
    position: absolute;
    bottom: 0.8rem;
    left: 1.2rem;
    font-size: 0.75rem;
    color: var(--md-default-fg-color--light);
}

/* 代码块AI辅助 */
.code-ai {
    position: relative;
}

.ai-assistant {
    position: absolute;
    bottom: 0.8rem;
    right: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.highlight:hover .ai-assistant {
    opacity: 1;
}

.ai-button {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.ai-button:hover {
    background: var(--md-accent-fg-color);
    transform: translateY(-1px);
}

.ai-suggestions {
    position: absolute;
    bottom: 100%;
    right: 0;
    background: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    z-index: 100;
    min-width: 200px;
    max-height: 300px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.ai-suggestions.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.ai-suggestion {
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
}

.ai-suggestion:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* 最后更新：2026-03-19 */
/* 代码高亮样式 - ComponentsDemos 专用 */