BladeTrack Web body { font-family: sans-serif; padding: 20px; max-width: 500px; margin: auto; } button, input, label { display: block; width: 100%; margin: 10px 0; padding: 12px; font-size: 16px; } .hot-warning { color: orange; font-weight: bold; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { border: 1px solid #ccc; padding: 8px; font-size: 14px; text-align: center; } th { background-color: #f9f9f9; } .checkboxes { margin: 10px 0; } .checkboxes label { display: block; font-size: 16px; } .small-btn { background: #eee; border: none; padding: 8px 12px; font-size: 14px; cursor: pointer; margin-top: 10px; }

BladeTrack

Your weight (lbs):

Weather data: Union Square, NYC

Start Rollerblading Stop

🗑️ Clear All Sessions const MET_ROLLERBLADING = 7.0; let startTime = null; // Hardcoded Union Square summer conditions const temperatureF = 89.6; // °F const temperatureC = (temperatureF – 32) * 5 / 9; const humidity = 70; document.getElementById(“weather”).innerText = `Union Square: ${temperatureF}°F — ${humidity}% humidity`; if (temperatureF > 86) { document.getElementById(“warning”).innerText = “🔥 It’s hot! Drink water and eat potassium-rich foods like bananas.”; } function startSession() { const weightInput = document.getElementById(“weight”).value; if (!weightInput || isNaN(weightInput) || weightInput 86 ? 1.15 : 1; const kcal = MET_ROLLERBLADING * weightKg * (durationMin / 60) * tempMod; const date = new Date().toLocaleString(); const entry = { date, duration: durationMin.toFixed(1), calories: Math.round(kcal), temperature: temperatureF, water: false, banana: false, salty: false }; localStorage.setItem(“current_session”, JSON.stringify(entry)); document.getElementById(“checklist”).style.display = “block”; document.getElementById(“result”).innerText = `Duration: ${entry.duration} minutes\nCalories burned: ${entry.calories}`; } function saveChecklist() { let entry = JSON.parse(localStorage.getItem(“current_session”)); if (!entry) return; entry.water = document.getElementById(“drankWater”).checked; entry.banana = document.getElementById(“ateBanana”).checked; entry.salty = document.getElementById(“ateSaltyFood”).checked; let log = JSON.parse(localStorage.getItem(“blade_sessions”) || “[]”); log.unshift(entry); localStorage.setItem(“blade_sessions”, JSON.stringify(log)); localStorage.removeItem(“current_session”); displaySessionLog(); document.getElementById(“checklist”).style.display = “none”; document.getElementById(“drankWater”).checked = false;