sanbuphy
e5b1c6cc88
- Refine chapter introductions in zh-cn docs for clarity and conciseness - Update navigation links to include '/easy-vibe' prefix - Simplify UI components (ChapterIntroduction, ContextWindowVisualizer) - Add new agent-related demo components (AgentMemoryDemo, AgentToolUseDemo) - Improve context compression demo with better visuals and metrics - Adjust styling and layout across various components
392 lines
8.9 KiB
Vue
392 lines
8.9 KiB
Vue
<!--
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ContextWindowVisualizer.vue
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上下文窗口可视化组件
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用途：
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直观展示 LLM 的 Context Window (上下文窗口) 限制。
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演示 Token 如何填充窗口，以及当超出限制时会发生什么（溢出/截断）。
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交互功能：
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- 文本输入：实时计算 Token 数量。
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- 预设填充：快速填充短/长文本以触发不同状态。
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- 进度条：可视化展示 Token 占用比例。
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- 溢出警告：当超出最大 Token 数时显示警告。
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-->
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<template>
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<div class="context-visualizer">
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<div class="control-panel">
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<div class="stat-group">
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<div class="stat-item">
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<span class="value" :class="{ error: isOverflow }">{{ usedTokens }}</span>
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<span class="label">Used Tokens</span>
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</div>
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<div class="stat-divider">/</div>
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<div class="stat-item">
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<span class="value">{{ maxTokens }}</span>
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<span class="label">Limit</span>
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</div>
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</div>
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<div class="progress-container">
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<div class="progress-bar-bg">
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<div
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class="progress-bar-fill"
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:style="{
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width: `${Math.min(usagePercentage, 100)}%`,
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backgroundColor: progressBarColor
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}"
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></div>
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</div>
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<div class="percentage-label">{{ usagePercentage.toFixed(1) }}%</div>
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</div>
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</div>
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<div class="visualization-area">
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<div class="window-frame" :class="{ overflow: isOverflow }">
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<div class="window-header">
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<span class="icon">🧠</span>
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<span>Model Context Window</span>
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</div>
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<div class="token-stream">
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<transition-group name="list">
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<span
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v-for="(token, index) in tokenizedText"
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:key="index"
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class="token-chip"
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:class="getTokenClass(index)"
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>
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{{ token }}
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</span>
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</transition-group>
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</div>
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<div v-if="isOverflow" class="overflow-indicator">
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<div class="overflow-line"></div>
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<span class="overflow-text">⚠️ Context Limit Reached (Truncated)</span>
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</div>
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</div>
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</div>
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<div class="input-section">
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<div class="input-header">
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<label>Input Text / 输入内容</label>
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<div class="actions">
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<button class="action-btn" @click="fillLorem(30)">+ Short</button>
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<button class="action-btn" @click="fillLorem(120)">+ Overflow</button>
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<button class="action-btn outline" @click="clear">Clear</button>
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</div>
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</div>
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<textarea
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v-model="inputText"
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placeholder="Type here to see how tokens fill up the memory..."
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rows="4"
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></textarea>
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</div>
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<div class="info-box">
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<p>
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<span class="icon">💡</span>
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<strong>Note:</strong>
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Context Window 是模型的短期记忆。就像黑板只有那么大，写满了就必须擦掉旧的才能写新的。
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一旦溢出，模型不仅会"忘记"前面的内容，甚至可能无法处理新的请求。
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</p>
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</div>
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</div>
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</template>
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<script setup>
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import { ref, computed } from 'vue'
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const maxTokens = 100
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const inputText = ref('Context engineering is the art of managing information.')
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// Simple mock tokenizer: split by space for demonstration
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// In reality, tokens are subwords, but space-split is good enough for concept
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const tokenizedText = computed(() => {
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if (!inputText.value) return []
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return inputText.value
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.trim()
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.split(/\s+/)
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.filter((t) => t)
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})
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const usedTokens = computed(() => tokenizedText.value.length)
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const isOverflow = computed(() => usedTokens.value > maxTokens)
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const usagePercentage = computed(() => (usedTokens.value / maxTokens) * 100)
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const progressBarColor = computed(() => {
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if (isOverflow.value) return 'var(--vp-c-danger-1)'
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if (usagePercentage.value > 80) return 'var(--vp-c-warning-1)'
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return 'var(--vp-c-success-1)'
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})
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const getTokenClass = (index) => {
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if (index >= maxTokens) return 'token-overflow'
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return `token-normal color-${index % 5}`
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}
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const fillLorem = (count) => {
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const words = [
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'lorem', 'ipsum', 'dolor', 'sit', 'amet', 'consectetur',
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'adipiscing', 'elit', 'sed', 'do', 'eiusmod', 'tempor',
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'incididunt', 'ut', 'labore', 'et', 'dolore', 'magna', 'aliqua'
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]
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const newText = Array.from({ length: count }, () => words[Math.floor(Math.random() * words.length)]).join(' ')
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inputText.value = newText
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}
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const clear = () => {
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inputText.value = ''
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}
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</script>
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<style scoped>
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.context-visualizer {
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border: 1px solid var(--vp-c-divider);
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border-radius: 8px;
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background-color: var(--vp-c-bg-soft);
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padding: 1.5rem;
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margin: 1rem 0;
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font-family: var(--vp-font-family-mono);
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}
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.control-panel {
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display: flex;
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align-items: center;
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gap: 1.5rem;
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margin-bottom: 1.5rem;
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background: var(--vp-c-bg);
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padding: 1rem;
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border-radius: 6px;
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border: 1px solid var(--vp-c-divider);
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}
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.stat-group {
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display: flex;
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align-items: baseline;
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gap: 0.5rem;
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}
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.stat-item {
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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.stat-item .value {
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font-size: 1.5rem;
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font-weight: bold;
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line-height: 1;
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}
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.stat-item .value.error {
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color: var(--vp-c-danger-1);
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}
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.stat-item .label {
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font-size: 0.75rem;
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color: var(--vp-c-text-2);
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margin-top: 0.25rem;
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}
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.stat-divider {
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font-size: 1.5rem;
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color: var(--vp-c-divider);
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}
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.progress-container {
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flex: 1;
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display: flex;
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align-items: center;
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gap: 1rem;
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}
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.progress-bar-bg {
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flex: 1;
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height: 12px;
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background-color: var(--vp-c-bg-alt);
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border-radius: 6px;
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overflow: hidden;
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}
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.progress-bar-fill {
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height: 100%;
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transition: width 0.3s ease, background-color 0.3s ease;
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}
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.percentage-label {
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font-size: 0.9rem;
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font-weight: bold;
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width: 4rem;
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text-align: right;
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}
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.visualization-area {
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margin-bottom: 1.5rem;
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}
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.window-frame {
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border: 2px solid var(--vp-c-divider);
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border-radius: 8px;
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background: var(--vp-c-bg);
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min-height: 120px;
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position: relative;
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transition: border-color 0.3s;
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overflow: hidden;
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}
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.window-frame.overflow {
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border-color: var(--vp-c-danger-1);
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}
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.window-header {
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background: var(--vp-c-bg-alt);
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padding: 0.5rem 1rem;
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font-size: 0.9rem;
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font-weight: bold;
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border-bottom: 1px solid var(--vp-c-divider);
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display: flex;
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align-items: center;
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gap: 0.5rem;
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}
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.token-stream {
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padding: 1rem;
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display: flex;
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flex-wrap: wrap;
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gap: 4px;
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max-height: 200px;
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overflow-y: auto;
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}
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.token-chip {
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padding: 2px 6px;
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border-radius: 4px;
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font-size: 0.85rem;
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transition: all 0.2s;
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}
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.token-normal {
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background-color: var(--vp-c-brand-soft);
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color: var(--vp-c-brand-dark);
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}
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/* Color cycling for tokens to show boundaries */
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.color-0 { background-color: rgba(255, 99, 132, 0.15); color: #c0392b; }
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.color-1 { background-color: rgba(54, 162, 235, 0.15); color: #2980b9; }
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.color-2 { background-color: rgba(255, 206, 86, 0.15); color: #d35400; }
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.color-3 { background-color: rgba(75, 192, 192, 0.15); color: #16a085; }
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.color-4 { background-color: rgba(153, 102, 255, 0.15); color: #8e44ad; }
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.token-overflow {
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background-color: var(--vp-c-bg-alt);
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color: var(--vp-c-text-3);
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text-decoration: line-through;
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opacity: 0.6;
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}
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.overflow-indicator {
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position: absolute;
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bottom: 0;
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left: 0;
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right: 0;
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background: rgba(239, 68, 68, 0.1);
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border-top: 1px dashed var(--vp-c-danger-1);
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padding: 0.5rem;
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display: flex;
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align-items: center;
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justify-content: center;
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color: var(--vp-c-danger-1);
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font-weight: bold;
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font-size: 0.9rem;
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}
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.input-section {
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margin-bottom: 1rem;
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}
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.input-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 0.5rem;
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}
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.input-header label {
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font-size: 0.9rem;
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font-weight: bold;
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}
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.actions {
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display: flex;
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gap: 0.5rem;
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}
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.action-btn {
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padding: 0.25rem 0.75rem;
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border-radius: 4px;
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background-color: var(--vp-c-brand);
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color: white;
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font-size: 0.8rem;
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border: none;
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cursor: pointer;
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transition: background-color 0.2s;
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}
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.action-btn:hover {
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background-color: var(--vp-c-brand-dark);
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}
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.action-btn.outline {
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background-color: transparent;
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border: 1px solid var(--vp-c-divider);
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color: var(--vp-c-text-1);
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}
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.action-btn.outline:hover {
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border-color: var(--vp-c-brand);
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color: var(--vp-c-brand);
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}
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textarea {
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width: 100%;
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padding: 0.75rem;
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border: 1px solid var(--vp-c-divider);
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border-radius: 6px;
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background: var(--vp-c-bg);
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color: var(--vp-c-text-1);
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font-family: inherit;
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resize: vertical;
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}
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textarea:focus {
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outline: none;
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border-color: var(--vp-c-brand);
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}
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.info-box {
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background-color: var(--vp-c-bg-alt);
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padding: 1rem;
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border-radius: 6px;
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font-size: 0.9rem;
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line-height: 1.5;
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color: var(--vp-c-text-2);
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}
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.info-box .icon {
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margin-right: 0.5rem;
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}
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/* Animations */
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.list-enter-active,
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.list-leave-active {
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transition: all 0.3s ease;
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}
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.list-enter-from,
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.list-leave-to {
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opacity: 0;
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transform: translateY(10px);
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}
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</style>
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