sanbuphy
0eba9e87e9
- Disable formatting rules (handled by Prettier) - Relaxed strict Vue/JS rules for demo code compatibility - Fix syntax errors in ApiPlayground and VoiceCloningDemo - Fix duplicate else-if condition in ApiPlayground - Fix Promise executor async pattern in AutoregressiveAudioDemo - Add TypeScript file support to ESLint config Warnings reduced from 295 to 251 problems. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
309 lines
6.5 KiB
Vue
309 lines
6.5 KiB
Vue
<template>
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<div class="lost-in-middle-demo">
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<div class="control-panel">
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<div class="control-group">
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<label>关键信息大概在整段话的哪个位置：{{ needlePosition }}%</label>
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<input
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v-model.number="needlePosition"
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type="range"
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min="0"
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max="100"
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step="1"
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class="slider-input"
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>
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</div>
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</div>
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<div class="visualization-area">
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<!-- Context Window Bar -->
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<div class="context-bar">
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<div class="context-label start">
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Start (System)
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</div>
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<div class="context-label end">
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End (Query)
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</div>
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<!-- Attention Heatmap Background -->
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<div class="attention-heatmap" />
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<!-- Needle Marker -->
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<div
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class="needle-marker"
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:style="{ left: `${needlePosition}%` }"
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>
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<div class="needle-icon">
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📍
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</div>
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<div class="needle-tooltip">
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关键事实
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</div>
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</div>
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</div>
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<!-- Probability Curve Chart -->
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<div class="chart-container">
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<svg
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viewBox="0 0 100 60"
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preserveAspectRatio="none"
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class="chart-svg"
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>
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<!-- U-Curve Path -->
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<path
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d="M 0 5 Q 50 55 100 5"
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fill="none"
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stroke="var(--vp-c-divider)"
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stroke-width="2"
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stroke-dasharray="4"
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/>
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<!-- Active Dot -->
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<circle
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:cx="needlePosition"
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:cy="60 - (retrievalProb * 0.5 + 5)"
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r="3"
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fill="var(--vp-c-brand)"
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/>
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</svg>
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<div class="chart-label y-axis">
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被记住的概率
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</div>
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<div class="chart-label x-axis">
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在上下文里的位置
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</div>
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</div>
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</div>
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<div class="metrics-panel">
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<div class="metric-card">
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<div
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class="metric-value"
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:class="getScoreClass(retrievalProb)"
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>
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{{ retrievalProb.toFixed(1) }}%
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</div>
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<div class="metric-label">
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检索成功率
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</div>
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</div>
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<div class="metric-card">
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<div class="metric-value">
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{{ positionLabel }}
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</div>
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<div class="metric-label">
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位置描述
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</div>
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</div>
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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>实验观察：</strong>当关键信息藏在整段话的<strong>中间位置</strong>时，模型最容易“漏看掉”（Lost in the Middle）。
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<br>
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最靠谱的做法：把重要指令放在<strong>最前面的 System Prompt</strong>，或者<strong>最后的用户问题里</strong>。
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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 needlePosition = ref(50) // 0 to 100
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// Parabolic curve calculation: Vertex at (50, 40), passing through (0, 95) and (100, 95)
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// y = a(x-h)^2 + k
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// a = 0.022
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const retrievalProb = computed(() => {
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const x = needlePosition.value
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const prob = 0.022 * Math.pow(x - 50, 2) + 40
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return Math.min(99.9, Math.max(0, prob))
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})
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const positionLabel = computed(() => {
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const p = needlePosition.value
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if (p < 20) return '偏开头'
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if (p > 80) return '偏结尾'
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return '中间区域（最危险）'
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})
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const getScoreClass = (score) => {
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if (score > 85) return 'text-success'
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if (score > 60) return 'text-warning'
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return 'text-danger'
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}
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</script>
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<style scoped>
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.lost-in-middle-demo {
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border: 1px solid var(--vp-c-divider);
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border-radius: 6px;
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background-color: var(--vp-c-bg-soft);
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padding: 0.75rem;
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margin: 0.5rem 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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margin-bottom: 1rem;
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background: var(--vp-c-bg);
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padding: 0.75rem;
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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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.control-group {
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.control-group label {
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font-weight: bold;
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font-size: 0.85rem;
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}
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.slider-input {
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width: 100%;
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accent-color: var(--vp-c-brand);
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}
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.visualization-area {
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margin-bottom: 1rem;
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position: relative;
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}
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.context-bar {
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height: 40px;
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border: 2px solid var(--vp-c-divider);
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border-radius: 6px;
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position: relative;
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margin-bottom: 0.75rem;
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background: var(--vp-c-bg);
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overflow: visible; /* Allow needle to stick out */
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}
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.attention-heatmap {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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border-radius: 6px;
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background: linear-gradient(
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90deg,
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rgba(16, 185, 129, 0.2) 0%,
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rgba(239, 68, 68, 0.1) 50%,
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rgba(16, 185, 129, 0.2) 100%
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);
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opacity: 0.6;
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}
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.context-label {
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position: absolute;
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top: -18px;
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font-size: 0.7rem;
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color: var(--vp-c-text-2);
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}
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.context-label.start { left: 0; }
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.context-label.end { right: 0; }
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.needle-marker {
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position: absolute;
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top: 50%;
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transform: translate(-50%, -50%);
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z-index: 10;
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cursor: grab;
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transition: left 0.1s ease;
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}
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.needle-icon {
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font-size: 1.25rem;
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filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
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}
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.needle-tooltip {
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position: absolute;
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bottom: 100%;
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left: 50%;
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transform: translateX(-50%);
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background: var(--vp-c-text-1);
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color: var(--vp-c-bg);
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padding: 2px 6px;
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border-radius: 4px;
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font-size: 0.7rem;
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white-space: nowrap;
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pointer-events: none;
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opacity: 0;
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transition: opacity 0.2s;
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}
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.needle-marker:hover .needle-tooltip {
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opacity: 1;
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}
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.chart-container {
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height: 60px;
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position: relative;
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border-bottom: 1px solid var(--vp-c-divider);
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margin-top: 0.75rem;
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}
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.chart-svg {
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width: 100%;
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height: 100%;
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overflow: visible;
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}
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.chart-label {
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position: absolute;
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font-size: 0.7rem;
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color: var(--vp-c-text-3);
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}
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.chart-label.y-axis { top: 0; left: 0; }
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.chart-label.x-axis { bottom: -1rem; width: 100%; text-align: center; }
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.metrics-panel {
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display: flex;
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gap: 0.5rem;
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margin-bottom: 0.75rem;
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}
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.metric-card {
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flex: 1;
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background: var(--vp-c-bg-alt);
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padding: 0.75rem;
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border-radius: 6px;
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text-align: center;
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}
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.metric-value {
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font-size: 1.25rem;
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font-weight: bold;
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}
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.metric-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: 0.2rem;
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}
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.text-success { color: var(--vp-c-success-1); }
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.text-warning { color: var(--vp-c-warning-1); }
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.text-danger { color: var(--vp-c-danger-1); }
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.info-box {
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background-color: var(--vp-c-bg-alt);
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padding: 0.75rem;
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border-radius: 6px;
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font-size: 0.85rem;
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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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</style>
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