<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="color-scheme" content="light">
<title>csusage · Token 用量</title>
<style>
:root {
--page: #ffffff;
--text: #171717;
--muted: #6f6f6f;
--faint: #a1a1a1;
--line: #ececec;
--line-strong: #dedede;
--blue-0: #f2f2f2;
--blue-1: #e2ecfa;
--blue-2: #c8dcf5;
--blue-3: #9fc3ed;
--blue-4: #5d97d9;
--blue-5: #2f73c8;
--shadow: 0 18px 50px rgba(0, 0, 0, 0.06);
}
* { box-sizing: border-box; }
html { min-width: 320px; }
body {
margin: 0;
background: var(--page);
color: var(--text);
font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
font-size: 14px;
-webkit-font-smoothing: antialiased;
}
button, summary { font: inherit; }
button:focus-visible, summary:focus-visible {
outline: 2px solid var(--blue-5);
outline-offset: 2px;
}
.shell {
width: min(100% - 40px, 860px);
margin: 0 auto;
padding: 32px 0 64px;
}
.profile {
display: flex;
flex-direction: column;
align-items: center;
padding: 0 0 42px;
text-align: center;
}
.avatar {
display: grid;
width: 78px;
height: 78px;
place-items: center;
border: 4px solid #fff;
border-radius: 50%;
background: linear-gradient(145deg, #ac69c2 0%, #8a42ad 100%);
box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.03), var(--shadow);
color: #fff;
font-size: 29px;
font-weight: 450;
letter-spacing: -0.04em;
}
.profile h1 {
margin: 15px 0 7px;
font-size: 24px;
font-weight: 600;
letter-spacing: -0.025em;
}
.profile-meta {
display: flex;
flex-wrap: wrap;
align-items: center;
justify-content: center;
gap: 7px;
color: var(--faint);
font-size: 13px;
}
.profile-meta .dot { color: #cfcfcf; }
.stats {
display: grid;
grid-template-columns: repeat(5, minmax(0, 1fr));
margin-bottom: 40px;
padding: 11px 0;
border: 1px solid var(--line);
border-radius: 17px;
}
.stat {
min-width: 0;
padding: 0 13px;
text-align: center;
}
.stat + .stat { border-left: 1px solid var(--line); }
.stat-value, .stat-label {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.stat-value {
color: #262626;
font-size: 14px;
font-variant-numeric: tabular-nums;
line-height: 1.5;
}
.stat-label { color: var(--muted); font-size: 13px; line-height: 1.45; }
.activity { margin-bottom: 46px; }
.activity-heading {
display: flex;
align-items: center;
justify-content: space-between;
margin-bottom: 12px;
}
.activity-heading h2, .section-heading {
margin: 0;
font-size: 14px;
font-weight: 600;
letter-spacing: -0.01em;
}
.view-switcher { display: inline-flex; align-items: center; gap: 17px; }
.view-switcher button {
padding: 0;
border: 0;
background: transparent;
color: #a1a1a1;
cursor: pointer;
font-size: 13px;
line-height: 24px;
transition: color 150ms ease;
}
.view-switcher button:hover { color: #555; }
.view-switcher button.active { color: var(--text); font-weight: 600; }
.heatmap-scroll {
overflow-x: auto;
padding: 3px 8px 6px;
scrollbar-width: thin;
scrollbar-color: #d8d8d8 transparent;
}
.heatmap-content { min-width: 720px; }
.month-labels, .heatmap-grid {
display: grid;
grid-template-columns: repeat(53, minmax(0, 1fr));
gap: 4px;
}
.month-labels {
min-height: 18px;
margin-top: 8px;
color: #9a9a9a;
font-size: 11px;
line-height: 1;
}
.month-label { overflow: visible; white-space: nowrap; }
.week-column {
display: flex;
min-width: 0;
flex-direction: column;
gap: 4px;
}
.heat-cell {
width: 100%;
aspect-ratio: 1;
padding: 0;
border: 0;
border-radius: 3px;
background: var(--blue-0);
cursor: default;
transition: transform 100ms ease, box-shadow 100ms ease;
}
.heat-cell:hover {
position: relative;
z-index: 1;
transform: scale(1.22);
box-shadow: 0 0 0 2px #fff;
}
.week-column.weekly .heat-cell { height: 14px; aspect-ratio: auto; }
.tooltip {
position: fixed;
z-index: 20;
display: none;
max-width: min(310px, calc(100vw - 24px));
padding: 8px 11px;
border: 1px solid rgba(255, 255, 255, 0.12);
border-radius: 8px;
background: #202020;
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
color: #fff;
font-size: 12px;
line-height: 1.5;
pointer-events: none;
}
.details-stack {
display: grid;
gap: 12px;
padding-top: 4px;
border-top: 1px solid var(--line);
}
.data-panel {
overflow: hidden;
border: 1px solid var(--line);
border-radius: 14px;
background: #fff;
}
.data-panel summary {
display: flex;
min-height: 52px;
align-items: center;
justify-content: space-between;
padding: 0 17px;
cursor: pointer;
list-style: none;
user-select: none;
}
.data-panel summary::-webkit-details-marker { display: none; }
.host-tabs { display: flex; gap: 8px; margin: 0 0 14px; }
.host-tabs button { border: 1px solid var(--line); background: transparent; color: #777; padding: 6px 16px; border-radius: 999px; cursor: pointer; font-size: 13px; }
.host-tabs button.active { color: var(--text); font-weight: 600; }
.host-tabs button:hover { color: var(--text); }
.data-panel th.sortable { cursor: pointer; user-select: none; }
.data-panel th.sortable:hover { color: var(--text); }
.summary-copy { display: flex; align-items: baseline; gap: 8px; }
.summary-count { color: var(--faint); font-size: 12px; }
.chevron {
width: 7px;
height: 7px;
border-right: 1.5px solid #888;
border-bottom: 1.5px solid #888;
transform: rotate(45deg) translateY(-2px);
transition: transform 150ms ease;
}
.data-panel[open] .chevron { transform: rotate(225deg) translate(-1px, -1px); }
.table-scroll { overflow-x: auto; border-top: 1px solid var(--line); }
table {
width: 100%;
min-width: 680px;
border-collapse: collapse;
font-size: 12px;
font-variant-numeric: tabular-nums;
}
th, td {
padding: 11px 14px;
border-bottom: 1px solid var(--line);
text-align: left;
white-space: nowrap;
}
th { background: #fbfbfb; color: var(--muted); font-size: 11px; font-weight: 500; }
td { color: #404040; }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; }
.agent-name { display: inline-flex; align-items: center; gap: 8px; color: #252525; font-weight: 500; }
.agent-dot { width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; }
.loading-state, .error-state {
display: grid;
min-height: 72vh;
place-items: center;
color: var(--muted);
text-align: center;
}
.spinner {
width: 22px;
height: 22px;
margin: 0 auto 13px;
border: 2px solid #e7e7e7;
border-top-color: #777;
border-radius: 50%;
animation: spin 700ms linear infinite;
}
.retry {
margin-top: 14px;
padding: 7px 14px;
border: 1px solid var(--line-strong);
border-radius: 8px;
background: #fff;
color: var(--text);
cursor: pointer;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 680px) {
.shell { width: min(100% - 28px, 860px); padding-top: 24px; }
.profile { padding-bottom: 32px; }
.avatar { width: 70px; height: 70px; font-size: 26px; }
.stats { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0; }
.stat { padding: 12px 8px; }
.stat + .stat { border-left: 0; }
.stat:nth-child(even) { border-left: 1px solid var(--line); }
.stat:nth-child(n + 3) { border-top: 1px solid var(--line); }
.stat:last-child { grid-column: 1 / -1; }
.activity-heading { align-items: flex-start; gap: 12px; }
.view-switcher { gap: 13px; }
}
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
</style>
</head>
<body>
<main id="app" class="loading-state" aria-live="polite">
<div><div class="spinner"></div>正在汇总用量数据…</div>
</main>
<div class="tooltip" id="tooltip" role="tooltip"></div>
<script>
const HEAT = ['var(--blue-0)', 'var(--blue-1)', 'var(--blue-2)', 'var(--blue-3)', 'var(--blue-4)', 'var(--blue-5)'];
const AGENT_COLORS = ['#2f73c8', '#8a42ad', '#16866f', '#ce6b32', '#b83e6c', '#66853b', '#7f6acb', '#398aab', '#a97318', '#5b6c88'];
const DAY_MS = 86_400_000;
let data = null;
let mode = 'daily';
const fmtInt = value => Number(value || 0).toLocaleString('zh-CN');
function fmtCompact(value) {
const number = Number(value || 0);
if (number >= 1e8) return trimDecimal(number / 1e8) + '亿';
if (number >= 1e4) return trimDecimal(number / 1e4) + '万';
return fmtInt(number);
}
function trimDecimal(value) {
return value.toLocaleString('zh-CN', {maximumFractionDigits: 1, minimumFractionDigits: value < 100 ? 1 : 0});
}
function fmtCost(value) {
if (value == null) return '—';
const number = Number(value);
return number > 0 && number < 0.01 ? '$' + number.toFixed(4) : '$' + number.toFixed(2);
}
function fmtDuration(ms) {
if (!ms || ms <= 0) return '—';
const minutes = Math.floor(ms / 60_000);
if (minutes < 1) return '<1 分钟';
if (minutes < 60) return minutes + ' 分钟';
const hours = Math.floor(minutes / 60);
if (hours < 24) return hours + ' 小时 ' + (minutes % 60) + ' 分';
return Math.floor(hours / 24) + ' 天 ' + (hours % 24) + ' 小时';
}
function escapeHtml(value) {
return String(value ?? '')
.replaceAll('&', '&')
.replaceAll('<', '<')
.replaceAll('>', '>')
.replaceAll('"', '"')
.replaceAll("'", ''');
}
function utcDate(value) {
const date = value instanceof Date ? new Date(value) : new Date(value + 'T00:00:00Z');
return new Date(Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate()));
}
const dateKey = date => date.toISOString().slice(0, 10);
const addUtcDays = (date, days) => new Date(date.getTime() + days * DAY_MS);
function initials(name) {
const clean = String(name || 'user').trim();
const words = clean.split(/[\s_-]+/).filter(Boolean);
if (words.length > 1) return (words[0][0] + words[1][0]).toUpperCase();
return (clean.length <= 3 ? clean.slice(0, 2) : clean.slice(0, 1)).toUpperCase();
}
let selectedHost = 'local';
function currentHostData() {
if (data.local) {
if (selectedHost === 'local') return data.local;
return (data.remotes || {})[selectedHost] || {error: '未找到主机 ' + selectedHost};
}
return data;
}
function hostNames() {
if (!data.local) return [];
return ['local', ...Object.keys(data.remotes || {})];
}
function hostLabel(name) {
return name === 'local' ? '本机' : name;
}
function selectHost(name) {
selectedHost = name;
render();
}
async function main() {
try {
const response = await fetch('/api/usage', {headers: {'Accept': 'application/json'}});
const payload = await response.json();
if (!response.ok) throw new Error(payload.error || '无法加载用量数据');
data = payload;
render();
} catch (error) {
const app = document.getElementById('app');
app.className = 'error-state';
app.innerHTML = `<div><strong>用量数据加载失败</strong><div style="margin-top:8px">${escapeHtml(error.message)}</div><button class="retry" onclick="location.reload()">重试</button></div>`;
}
}
function render() {
const data = currentHostData();
if (data.error) {
const app = document.getElementById('app');
app.className = 'error-state';
app.innerHTML = `<div><strong>${escapeHtml(data.error)}</strong><button class="retry" onclick="location.reload()">重试</button></div>`;
return;
}
const hosts = hostNames();
const tabs = hosts.length > 1 ? `<div class="host-tabs">${hosts.map(name => `<button class="${name === selectedHost ? 'active' : ''}" onclick="selectHost('${escapeHtml(name)}')">${escapeHtml(hostLabel(name))}</button>`).join('')}</div>` : '';
const user = String(data.user || 'user');
const agents = Array.isArray(data.agents) ? data.agents : [];
const sessions = Array.isArray(data.sessions) ? data.sessions : [];
const peak = data.peakDay || {};
const generatedAt = data.generatedAt ? new Date(data.generatedAt).toLocaleString('zh-CN', {dateStyle: 'medium', timeStyle: 'short'}) : '—';
const app = document.getElementById('app');
app.className = 'shell';
app.innerHTML = `
<header class="profile">
<div class="avatar" aria-hidden="true">${escapeHtml(initials(user))}</div>
<h1>${escapeHtml(user)}</h1>
<div class="profile-meta">
<span>@${escapeHtml(user)}</span><span class="dot">·</span>
<span>${fmtInt(agents.length)} 个 Agent</span><span class="dot">·</span>
<span>${fmtInt(data.totalSessions)} 个会话</span><span class="dot">·</span>
<span>${fmtCost(data.totalCostUsd)}</span>
</div>
</header>
${tabs}
<section class="stats" aria-label="用量概览">
${stat(fmtCompact(data.totalTokens), '累计 Token 数', `输入 ${fmtInt(data.totalInputTokens)}，输出 ${fmtInt(data.totalOutputTokens)}`)}
${stat(fmtCompact(peak.totalTokens), '峰值 Token 数', peak.date || '')}
${stat(fmtDuration(data.longestSessionMs), '最长聊天时长')}
${stat(fmtInt(data.currentStreakDays) + ' 天', '当前连续天数')}
${stat(fmtInt(data.longestStreakDays) + ' 天', '最长连续天数')}
</section>
<section class="activity" aria-labelledby="activity-title">
<div class="activity-heading">
<h2 id="activity-title">Token 活动</h2>
<div class="view-switcher" role="group" aria-label="活动统计方式">
<button id="btn-daily" type="button" onclick="setMode('daily')">每日</button>
<button id="btn-weekly" type="button" onclick="setMode('weekly')">每周</button>
<button id="btn-cumulative" type="button" onclick="setMode('cumulative')">累计</button>
</div>
</div>
<div class="heatmap-scroll"><div id="heatmap"></div></div>
</section>
<section class="details-stack" aria-label="详细用量">
${renderAgentPanel(agents)}
${renderModelPanel(Array.isArray(data.models) ? data.models : [])}
${renderSessionPanel(sessions)}
</section>
<div style="margin-top:18px;text-align:center;color:var(--faint);font-size:11px">数据更新于 ${escapeHtml(generatedAt)}</div>
`;
setMode(mode);
}
function stat(value, label, title = '') {
return `<div class="stat"${title ? ` title="${escapeHtml(title)}"` : ''}><div class="stat-value">${escapeHtml(value)}</div><div class="stat-label">${escapeHtml(label)}</div></div>`;
}
function renderAgentPanel(agents) {
if (!agents.length) return '';
const rows = agents.map((agent, index) => `
<tr><td><span class="agent-name"><span class="agent-dot" style="background:${AGENT_COLORS[index % AGENT_COLORS.length]}"></span>${escapeHtml(agent.agent)}</span></td>
<td class="num">${fmtInt(agent.inputTokens)}</td><td class="num">${fmtInt(agent.outputTokens)}</td>
<td class="num">${fmtInt(agent.cacheReadTokens)}</td><td class="num">${fmtInt(agent.cacheWriteTokens)}</td>
<td class="num">${fmtInt(agent.totalTokens)}</td><td class="num">${fmtCost(agent.costUsd)}</td></tr>`).join('');
return `<details class="data-panel" open>
<summary><span class="summary-copy"><span class="section-heading">Agent 明细</span><span class="summary-count">${fmtInt(agents.length)}</span></span><span class="chevron" aria-hidden="true"></span></summary>
<div class="table-scroll"><table><thead><tr><th>Agent</th><th class="num">输入</th><th class="num">输出</th><th class="num">缓存读</th><th class="num">缓存写</th><th class="num">合计</th><th class="num">成本</th></tr></thead><tbody>${rows}</tbody></table></div>
</details>`;
}
let modelSort = { key: 'totalTokens', desc: true };
function sortModels(key) {
if (modelSort.key === key) {
modelSort.desc = !modelSort.desc;
} else {
modelSort = { key, desc: true };
}
render();
}
function renderModelPanel(models) {
if (!models.length) return '';
const columns = [
['model', '模型', ''],
['inputTokens', '输入', 'num'],
['outputTokens', '输出', 'num'],
['cacheReadTokens', '缓存读', 'num'],
['cacheWriteTokens', '缓存写', 'num'],
['totalTokens', '合计', 'num'],
['costUsd', '成本', 'num'],
['sessions', '会话', 'num'],
];
const head = columns.map(([key, label, cls]) => {
const arrow = modelSort.key === key ? (modelSort.desc ? ' ↓' : ' ↑') : '';
return `<th class="sortable ${cls}" onclick="sortModels('${key}')" title="点击排序">${label}${arrow}</th>`;
}).join('');
const sorted = [...models].sort((a, b) => {
const va = a[modelSort.key], vb = b[modelSort.key];
const cmp = typeof va === 'string' || typeof vb === 'string'
? String(va).localeCompare(String(vb))
: (va || 0) - (vb || 0);
return modelSort.desc ? -cmp : cmp;
});
const rows = sorted.map(m => `
<tr><td>${escapeHtml(m.model || '—')}</td>
<td class="num">${fmtInt(m.inputTokens)}</td><td class="num">${fmtInt(m.outputTokens)}</td>
<td class="num">${fmtInt(m.cacheReadTokens)}</td><td class="num">${fmtInt(m.cacheWriteTokens)}</td>
<td class="num">${fmtInt(m.totalTokens)}</td><td class="num">${fmtCost(m.costUsd)}</td>
<td class="num">${fmtInt(m.sessions)}</td></tr>`).join('');
return `<details class="data-panel" open>
<summary><span class="summary-copy"><span class="section-heading">模型明细</span><span class="summary-count">${fmtInt(models.length)}</span></span><span class="chevron" aria-hidden="true"></span></summary>
<div class="table-scroll"><table><thead><tr>${head}</tr></thead><tbody>${rows}</tbody></table></div>
</details>`;
}
function renderSessionPanel(sessions) {
if (!sessions.length) return '';
const visible = sessions.slice(0, 30);
const rows = visible.map(session => {
const id = String(session.sessionId || '');
const shortId = id.length > 18 ? id.slice(0, 18) + '…' : id;
const started = session.startMs ? new Date(session.startMs).toLocaleString('zh-CN', {dateStyle: 'short', timeStyle: 'short'}) : '—';
return `<tr><td>${escapeHtml(session.agent)}</td><td title="${escapeHtml(id)}">${escapeHtml(shortId)}</td>
<td>${escapeHtml(started)}</td><td class="num">${escapeHtml(fmtDuration(session.durationMs))}</td>
<td class="num">${fmtInt(session.totalTokens)}</td><td class="num">${fmtCost(session.costUsd)}</td>
<td>${escapeHtml((session.models || []).join(', ') || '—')}</td></tr>`;
}).join('');
return `<details class="data-panel" open>
<summary><span class="summary-copy"><span class="section-heading">最近会话</span><span class="summary-count">${fmtInt(visible.length)}</span></span><span class="chevron" aria-hidden="true"></span></summary>
<div class="table-scroll"><table><thead><tr><th>Agent</th><th>会话</th><th>开始时间</th><th class="num">时长</th><th class="num">合计</th><th class="num">成本</th><th>模型</th></tr></thead><tbody>${rows}</tbody></table></div>
</details>`;
}
function setMode(nextMode) {
mode = nextMode;
for (const key of ['daily', 'weekly', 'cumulative']) {
const button = document.getElementById('btn-' + key);
if (!button) continue;
const active = key === mode;
button.classList.toggle('active', active);
button.setAttribute('aria-pressed', String(active));
}
const heatmap = document.getElementById('heatmap');
if (heatmap) heatmap.innerHTML = renderHeatmap();
}
function activityRange() {
const today = utcDate(new Date());
const end = addUtcDays(today, 6 - today.getUTCDay());
return {start: addUtcDays(end, -(53 * 7 - 1)), end};
}
function renderHeatmap() {
const {start} = activityRange();
const today = utcDate(new Date());
const daysByDate = new Map((currentHostData().days || []).map(day => [String(day.date), day]));
const columns = [];
const weeklyTotals = new Map();
let cumulative = 0;
let maxValue = 1;
for (let weekIndex = 0; weekIndex < 53; weekIndex++) {
const weekStart = addUtcDays(start, weekIndex * 7);
const week = [];
let weekTotal = 0;
for (let dayIndex = 0; dayIndex < 7; dayIndex++) {
const date = addUtcDays(weekStart, dayIndex);
const record = daysByDate.get(dateKey(date));
weekTotal += Number(record?.totalTokens || 0);
week.push({date, record});
}
weeklyTotals.set(dateKey(weekStart), weekTotal);
columns.push(week);
}
const cells = columns.map(week => week.map(({date, record}) => {
const dayValue = Number(record?.totalTokens || 0);
cumulative += dayValue;
let value = dayValue;
if (mode === 'weekly') value = weeklyTotals.get(dateKey(week[0].date)) || 0;
if (mode === 'cumulative') value = cumulative;
if (date > today) value = 0;
maxValue = Math.max(maxValue, value);
return {date, record, value};
}));
const monthLabels = [];
for (let index = 0; index < 53; index++) {
const weekStart = columns[index][0].date;
for (let offset = 0; offset < 7; offset++) {
const date = addUtcDays(weekStart, offset);
if (date.getUTCDate() === 1 && index > 1) {
monthLabels.push({column: index + 1, label: (date.getUTCMonth() + 1) + '月'});
break;
}
}
}
const labelsHtml = monthLabels.map(item => `<span class="month-label" style="grid-column:${item.column}">${item.label}</span>`).join('');
let gridHtml;
if (mode === 'weekly') {
gridHtml = cells.map(week => {
const cell = week[0];
const total = weeklyTotals.get(dateKey(cell.date)) || 0;
const end = addUtcDays(cell.date, 6);
return `<div class="week-column weekly">${heatCell(total, maxValue, `${dateKey(cell.date)} 至 ${dateKey(end)} · ${fmtInt(total)} tokens`)}</div>`;
}).join('');
} else {
gridHtml = cells.map(week => `<div class="week-column">${week.map(cell => {
const key = dateKey(cell.date);
const tip = cell.date > today
? `${key} · 尚无数据`
: mode === 'cumulative'
? `${key} · 累计 ${fmtInt(cell.value)} tokens`
: cell.record
? `${key} · ${fmtCompact(cell.record.totalTokens)} tokens · ${fmtCost(cell.record.costUsd)}`
: `${key} · 无用量`;
return heatCell(cell.value, maxValue, tip);
}).join('')}</div>`).join('');
}
return `<div class="heatmap-content"><div class="heatmap-grid">${gridHtml}</div><div class="month-labels">${labelsHtml}</div></div>`;
}
function heatCell(value, max, tip) {
return `<span class="heat-cell" style="background:${HEAT[heatLevel(value, max)]}" data-tip="${escapeHtml(tip)}" role="img" aria-label="${escapeHtml(tip)}"></span>`;
}
function heatLevel(value, max) {
if (!value || value <= 0) return 0;
const ratio = Math.log1p(value) / Math.log1p(max);
if (ratio <= 0.35) return 1;
if (ratio <= 0.55) return 2;
if (ratio <= 0.72) return 3;
if (ratio <= 0.88) return 4;
return 5;
}
const tooltip = document.getElementById('tooltip');
function showTooltip(cell, event) {
tooltip.textContent = cell.dataset.tip;
tooltip.style.display = 'block';
const rect = cell.getBoundingClientRect();
const left = event?.clientX || rect.left + rect.width / 2;
const top = event?.clientY || rect.top;
tooltip.style.left = Math.max(12, Math.min(left + 10, window.innerWidth - tooltip.offsetWidth - 12)) + 'px';
tooltip.style.top = Math.max(12, top - tooltip.offsetHeight - 10) + 'px';
}
document.addEventListener('pointerover', event => {
const cell = event.target.closest?.('.heat-cell');
if (cell) showTooltip(cell, event);
});
document.addEventListener('pointerout', event => {
if (event.target.closest?.('.heat-cell')) tooltip.style.display = 'none';
});
main();
</script>
</body>
</html>