feat: add PWA frontend for CYD ThermoPro dashboard
Add a Flask backend + SQLite + HTML/CSS/JS PWA that: - Polls the CYD /api/latest endpoint - Stores readings, sessions, and freeform notes in SQLite - Displays probe cards with target setpoints and preset options - Renders temperature history with Chart.js - Serves a PWA manifest and dark-themed dashboard Also update cyd-bridge/README.md with verified bringup instructions.
This commit is contained in:
Keith Solomon
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const DEFAULT_PROBE_NAMES = ['Probe 1', 'Probe 2', 'Probe 3', 'Probe 4'];
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const PRESETS = [
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{ label: 'Brisket', temp: 203 },
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{ label: 'Pork Butt', temp: 205 },
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{ label: 'Poultry (breast)', temp: 165 },
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{ label: 'Poultry (thigh)', temp: 175 },
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{ label: 'Ribs', temp: 203 },
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];
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let activeSession = null;
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let latestReading = null;
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let setpoints = [];
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let chartInstance = null;
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async function api(path, options = {}) {
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const resp = await fetch(path, options);
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if (!resp.ok) throw new Error(`${resp.status} ${resp.statusText}`);
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return resp.json();
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}
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function formatTime(iso) {
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if (!iso) return '--';
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const d = new Date(iso + (iso.endsWith('Z') ? '' : 'Z'));
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return d.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit', second: '2-digit' });
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}
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function statusClass(connected) {
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return connected ? 'ok' : 'danger';
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}
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function renderProbeCards(reading, setpoints) {
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const container = document.getElementById('probe-cards');
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container.innerHTML = '';
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const probes = reading?.probes || [];
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const unit = reading?.unit || 'F';
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for (let i = 0; i < 4; i++) {
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const probe = probes[i] || { id: i + 1, name: DEFAULT_PROBE_NAMES[i], temperature: null, connected: false };
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const setpoint = setpoints.find(s => s.probe_number === (i + 1));
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const card = document.createElement('div');
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card.className = `probe-card ${probe.connected ? 'connected' : ''}`;
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const tempDisplay = probe.connected
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? `<div class="temp">${probe.temperature.toFixed(1)}<span>°${unit}</span></div>`
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: `<div class="temp disconnected">---</div>`;
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const targetDisplay = setpoint
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? `<div class="target">Target: ${setpoint.label || ''} ${setpoint.target_temp.toFixed(0)}°${unit}</div>`
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: `<div class="target">No target set</div>`;
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card.innerHTML = `
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<div class="header">
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<span class="name">${probe.name || DEFAULT_PROBE_NAMES[i]}</span>
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<span>#${i + 1}</span>
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</div>
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${targetDisplay}
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${tempDisplay}
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<div class="footer">
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<span>${probe.connected ? 'Connected' : 'Disconnected'}</span>
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</div>
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<div class="setpoint-editor">
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<select class="preset-select" data-probe="${i + 1}">
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<option value="">Preset...</option>
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${PRESETS.map(p => `<option value="${p.temp}">${p.label} (${p.temp}°${unit})</option>`).join('')}
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<option value="custom">Custom...</option>
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</select>
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<input type="number" class="custom-target" data-probe="${i + 1}" placeholder="Target °${unit}" value="${setpoint ? setpoint.target_temp : ''}">
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<input type="text" class="target-label" data-probe="${i + 1}" placeholder="Label" value="${setpoint ? setpoint.label : ''}">
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<button class="save-setpoint" data-probe="${i + 1}">Save</button>
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</div>
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`;
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container.appendChild(card);
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}
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// Wire up preset selectors and save buttons.
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document.querySelectorAll('.preset-select').forEach(sel => {
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sel.addEventListener('change', () => {
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const probe = sel.dataset.probe;
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const customInput = document.querySelector(`.custom-target[data-probe="${probe}"]`);
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if (sel.value && sel.value !== 'custom') {
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customInput.value = sel.value;
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}
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});
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});
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document.querySelectorAll('.save-setpoint').forEach(btn => {
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btn.addEventListener('click', async () => {
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const probe = parseInt(btn.dataset.probe, 10);
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const target = parseFloat(document.querySelector(`.custom-target[data-probe="${probe}"]`).value);
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const label = document.querySelector(`.target-label[data-probe="${probe}"]`).value;
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if (isNaN(target)) return;
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await saveSetpoint(probe, label, target);
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});
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});
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}
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async function saveSetpoint(probeNumber, label, targetTemp) {
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if (!activeSession) return;
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await api(`/api/setpoints/${activeSession.id}`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ probe_number: probeNumber, label, target_temp: targetTemp }),
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});
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await loadSetpoints();
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await refreshDashboard();
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}
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function renderStatusBar(reading) {
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const cydEl = document.getElementById('cyd-status');
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const battEl = document.getElementById('battery-status');
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const sigEl = document.getElementById('signal-status');
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if (!reading) {
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cydEl.textContent = 'CYD unreachable';
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cydEl.className = 'danger';
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return;
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}
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const connected = reading.connected;
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cydEl.textContent = connected ? 'CYD connected' : 'CYD: BLE disconnected';
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cydEl.className = connected ? 'ok' : 'warn';
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battEl.textContent = `Battery: ${reading.battery ?? '--'}%`;
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const rssi = reading.rssi;
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sigEl.textContent = rssi !== undefined ? `Signal: ${rssi} dBm` : 'Signal: WiFi only';
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}
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async function loadSessions() {
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const sessions = await api('/api/sessions');
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activeSession = sessions.find(s => !s.ended_at) || null;
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const activeEl = document.getElementById('active-session');
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const endBtn = document.getElementById('end-session-btn');
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if (activeSession) {
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activeEl.innerHTML = `
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<strong>${activeSession.name}</strong> started at ${formatTime(activeSession.started_at)}
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<br><small>${activeSession.notes || 'No notes'}</small>
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`;
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endBtn.disabled = false;
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} else {
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activeEl.textContent = 'No active session.';
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endBtn.disabled = true;
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}
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}
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async function loadSetpoints() {
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if (!activeSession) {
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setpoints = [];
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return;
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}
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setpoints = await api(`/api/setpoints/${activeSession.id}`);
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}
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async function refreshDashboard() {
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try {
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const status = await api('/api/status');
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latestReading = status.latest_reading;
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// Add probe names from active session if we had stored them; for now use CYD names.
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if (latestReading) {
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// The CYD returns probe names; pass them through.
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}
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renderStatusBar(status.latest_reading);
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renderProbeCards(status.latest_reading, setpoints);
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document.getElementById('last-updated').textContent = `Last updated: ${formatTime(new Date().toISOString())}`;
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} catch (e) {
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console.error('Refresh failed:', e);
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renderStatusBar(null);
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}
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}
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async function refreshChart() {
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if (!activeSession || !chartInstance) return;
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const range = parseInt(document.getElementById('chart-range').value, 10);
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const data = await api(`/api/readings/${activeSession.id}?minutes=${range}`);
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const labels = data.map(r => formatTime(r.received_at));
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const datasets = [1, 2, 3, 4].map((num, idx) => ({
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label: (latestReading?.probes?.[idx]?.name) || `Probe ${num}`,
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data: data.map(r => r[`probe${num}_temp`]),
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borderColor: ['#ff6b35', '#4caf50', '#2196f3', '#9c27b0'][idx],
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backgroundColor: ['rgba(255,107,53,0.1)', 'rgba(76,175,80,0.1)', 'rgba(33,150,243,0.1)', 'rgba(156,39,176,0.1)'][idx],
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fill: true,
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tension: 0.3,
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spanGaps: true,
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}));
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chartInstance.data.labels = labels;
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chartInstance.data.datasets = datasets;
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chartInstance.update();
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}
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function initChart() {
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const ctx = document.getElementById('temp-chart').getContext('2d');
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chartInstance = new Chart(ctx, {
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type: 'line',
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data: { labels: [], datasets: [] },
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options: {
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responsive: true,
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maintainAspectRatio: false,
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scales: {
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y: {
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title: { display: true, text: 'Temperature' },
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grid: { color: '#333' },
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ticks: { color: '#aaa' },
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},
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x: {
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grid: { color: '#333' },
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ticks: { color: '#aaa', maxTicksLimit: 8 },
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},
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},
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plugins: {
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legend: { labels: { color: '#f0f0f0' } },
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},
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},
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});
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}
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document.getElementById('new-session-form').addEventListener('submit', async (e) => {
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e.preventDefault();
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const name = document.getElementById('session-name').value;
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const notes = document.getElementById('session-notes').value;
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await api('/api/sessions', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ name, notes }),
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});
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document.getElementById('session-name').value = '';
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document.getElementById('session-notes').value = '';
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await loadSessions();
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await loadSetpoints();
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await refreshChart();
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});
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document.getElementById('end-session-btn').addEventListener('click', async () => {
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if (!activeSession) return;
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await api(`/api/sessions/${activeSession.id}`, {
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method: 'PUT',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ end: true }),
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});
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await loadSessions();
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await loadSetpoints();
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await refreshChart();
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});
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document.getElementById('refresh-chart-btn').addEventListener('click', refreshChart);
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document.getElementById('chart-range').addEventListener('change', refreshChart);
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async function init() {
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initChart();
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await loadSessions();
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await loadSetpoints();
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await refreshDashboard();
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await refreshChart();
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setInterval(async () => {
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await refreshDashboard();
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}, 5000);
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setInterval(async () => {
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if (activeSession) await refreshChart();
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}, 30000);
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}
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init();
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@@ -0,0 +1,20 @@
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{
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"name": "ThermoPro CYD Dashboard",
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"short_name": "CYD BBQ",
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"start_url": "/",
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"display": "standalone",
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"background_color": "#1a1a1a",
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"theme_color": "#ff6b35",
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"icons": [
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{
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"src": "icon-192.png",
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"sizes": "192x192",
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"type": "image/png"
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},
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{
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"src": "icon-512.png",
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"sizes": "512x512",
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"type": "image/png"
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}
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]
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}
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@@ -0,0 +1,225 @@
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:root {
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--bg: #121212;
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--surface: #1e1e1e;
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--text: #f0f0f0;
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--muted: #a0a0a0;
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--accent: #ff6b35;
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--ok: #4caf50;
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--warn: #ff9800;
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--danger: #f44336;
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--radius: 12px;
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--shadow: 0 2px 8px rgba(0,0,0,0.4);
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}
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* { box-sizing: border-box; }
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body {
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margin: 0;
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font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
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background: var(--bg);
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color: var(--text);
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line-height: 1.5;
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}
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header {
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background: var(--surface);
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padding: 1rem;
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box-shadow: var(--shadow);
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position: sticky;
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top: 0;
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z-index: 10;
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}
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header h1 {
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margin: 0 0 0.5rem;
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font-size: 1.5rem;
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color: var(--accent);
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}
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#status-bar {
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display: flex;
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gap: 1rem;
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font-size: 0.9rem;
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color: var(--muted);
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}
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#status-bar .ok { color: var(--ok); }
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#status-bar .warn { color: var(--warn); }
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#status-bar .danger { color: var(--danger); }
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main {
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padding: 1rem;
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max-width: 1200px;
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margin: 0 auto;
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}
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.panel {
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background: var(--surface);
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border-radius: var(--radius);
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padding: 1rem;
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box-shadow: var(--shadow);
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margin-bottom: 1rem;
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}
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.panel h2 {
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margin-top: 0;
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font-size: 1.1rem;
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color: var(--accent);
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}
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#session-controls form {
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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margin-top: 0.75rem;
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}
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#session-controls input,
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#session-controls textarea,
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#session-controls select {
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background: #2a2a2a;
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border: 1px solid #333;
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color: var(--text);
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padding: 0.6rem;
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border-radius: 6px;
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font: inherit;
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}
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#session-controls textarea {
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min-height: 80px;
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resize: vertical;
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}
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#session-controls button {
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background: var(--accent);
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color: #fff;
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border: none;
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padding: 0.7rem 1rem;
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border-radius: 6px;
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cursor: pointer;
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font-weight: bold;
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}
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#session-controls button:disabled {
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background: #444;
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cursor: not-allowed;
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}
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#end-session-btn {
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margin-top: 0.5rem;
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width: 100%;
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}
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#probe-cards {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
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gap: 1rem;
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}
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.probe-card {
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background: var(--surface);
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border-radius: var(--radius);
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padding: 1rem;
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box-shadow: var(--shadow);
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border-left: 4px solid var(--muted);
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transition: border-color 0.2s;
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}
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.probe-card.connected {
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border-left-color: var(--ok);
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}
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.probe-card .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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.probe-card .name {
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font-weight: bold;
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font-size: 1.1rem;
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}
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.probe-card .target {
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font-size: 0.85rem;
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color: var(--muted);
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}
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.probe-card .temp {
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font-size: 2.5rem;
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font-weight: 300;
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margin: 0.5rem 0;
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}
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.probe-card .temp.disconnected {
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color: var(--muted);
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font-size: 1.8rem;
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}
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.probe-card .footer {
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display: flex;
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justify-content: space-between;
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font-size: 0.85rem;
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color: var(--muted);
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}
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.setpoint-editor {
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margin-top: 0.75rem;
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display: flex;
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gap: 0.5rem;
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flex-wrap: wrap;
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}
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.setpoint-editor input {
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flex: 1;
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min-width: 80px;
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background: #2a2a2a;
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border: 1px solid #333;
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color: var(--text);
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padding: 0.4rem;
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border-radius: 4px;
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}
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.setpoint-editor button {
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background: #333;
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color: var(--text);
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border: 1px solid #444;
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padding: 0.4rem 0.7rem;
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border-radius: 4px;
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cursor: pointer;
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||||
}
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.chart-controls {
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display: flex;
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gap: 1rem;
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||||
align-items: center;
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||||
margin-bottom: 1rem;
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||||
}
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.chart-controls select,
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.chart-controls button {
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background: #2a2a2a;
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border: 1px solid #333;
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||||
color: var(--text);
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||||
padding: 0.5rem;
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border-radius: 6px;
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||||
}
|
||||
|
||||
.chart-controls button {
|
||||
background: var(--accent);
|
||||
border: none;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
footer {
|
||||
text-align: center;
|
||||
padding: 1rem;
|
||||
color: var(--muted);
|
||||
font-size: 0.85rem;
|
||||
}
|
||||
|
||||
@media (max-width: 600px) {
|
||||
#status-bar { flex-direction: column; gap: 0.25rem; }
|
||||
.probe-card .temp { font-size: 2rem; }
|
||||
}
|
||||
Reference in New Issue
Block a user