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Deploy derdilla/personal-website to derdilla/personal-website:gh-pages
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‎.nojekyll‎

Whitespace-only changes.

‎404.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Not found</title>
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</head>
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<body style="background:#000;color:#FFF">
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<h1>Nothing to see here, <a style="color:#3dbeff" href="https://derdilla.com">move along</a>.</h1>
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</body>
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</html>

‎alarm/index.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Non-Linear Timer</title>
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<!-- Load Tailwind CSS -->
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<script src="https://cdn.tailwindcss.com"></script>
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<style>
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/* Custom styles for the slider to be more visible and touch-friendly */
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input[type=range] {
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-webkit-appearance: none;
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width: 100%;
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height: 12px;
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background: #cbd5e1; /* slate-300 */
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border-radius: 6px;
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cursor: pointer;
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outline: none;
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}
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/* Thumb styling for Webkit/Blink */
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input[type=range]::-webkit-slider-thumb {
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-webkit-appearance: none;
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appearance: none;
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width: 24px;
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height: 24px;
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border-radius: 50%;
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background: #1e3a8a; /* blue-900 */
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cursor: pointer;
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box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
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margin-top: -6px; /* Center the thumb vertically */
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}
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</style>
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</head>
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<body class="bg-gray-50 flex items-center justify-center min-h-screen p-4 font-sans">
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<div id="timer-card" class="bg-white p-8 md:p-12 rounded-xl shadow-2xl w-full max-w-xl transition-all duration-300">
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<h1 class="text-3xl font-extrabold text-gray-900 mb-6 text-center">Set Your Timer</h1>
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<!-- Time Display -->
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<div id="time-display" class="text-6xl md:text-8xl font-mono font-bold text-center text-blue-800 mb-10 select-none">
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00:00:05
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</div>
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<!-- Timer Status Message -->
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<p id="status-message" class="text-center text-sm mb-6 h-5 text-gray-500">
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Slide and release to start
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</p>
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<!-- Slider Input -->
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<input type="range" id="timer-slider" min="0" max="100" value="0" class="w-full">
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<!-- Custom Modal for Alarm/Message -->
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<div id="alarm-modal" class="hidden fixed inset-0 bg-black bg-opacity-70 flex items-center justify-center z-50 p-4">
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<div class="bg-white p-8 rounded-xl shadow-2xl max-w-md w-full text-center">
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<h2 id="modal-title" class="text-3xl font-bold text-red-600 mb-4">Timer Complete!</h2>
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<p class="text-lg text-gray-700 mb-6">Your countdown has finished.</p>
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<button onclick="closeAlarmModal()" class="px-6 py-3 bg-blue-600 text-white font-semibold rounded-lg hover:bg-blue-700 transition duration-150">
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Close
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</button>
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</div>
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</div>
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</div>
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<script>
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// --- CONSTANTS AND STATE ---
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const MIN_TIME_SECONDS = 5; // 5 seconds
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const MAX_TIME_SECONDS = 36000; // 10 hours (10 * 60 * 60)
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const EXP_FACTOR = MAX_TIME_SECONDS / MIN_TIME_SECONDS; // 7200
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let totalTimeSeconds = MIN_TIME_SECONDS;
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let remainingSeconds = MIN_TIME_SECONDS;
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let timerInterval = null;
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let isRunning = false;
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// --- DOM ELEMENTS ---
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const timeDisplay = document.getElementById('time-display');
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const slider = document.getElementById('timer-slider');
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const statusMessage = document.getElementById('status-message');
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const timerCard = document.getElementById('timer-card');
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const alarmModal = document.getElementById('alarm-modal');
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// --- MATH/MAPPING LOGIC ---
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/**
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* Maps a linear slider value (0-100) to a non-linear time in seconds.
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* The exponential formula makes it more sensitive at the low (5s) end.
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* T = T_min * (T_max / T_min) ^ (x / 100)
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* @param {number} sliderValue - The value from the range input (0 to 100).
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* @returns {number} The calculated time in seconds.
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*/
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function mapSliderToTime(sliderValue) {
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// Formula: 5 * (7200)^(sliderValue / 100)
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const time = MIN_TIME_SECONDS * Math.pow(EXP_FACTOR, sliderValue / 100);
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return Math.round(time); // Use Math.round to get clean integer seconds
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}
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/**
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* Formats total seconds into HH:mm:ss string.
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* @param {number} seconds - The total number of seconds.
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* @returns {string} The formatted time string.
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*/
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function formatTime(seconds) {
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const h = String(Math.floor(seconds / 3600)).padStart(2, '0');
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const m = String(Math.floor((seconds % 3600) / 60)).padStart(2, '0');
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const s = String(seconds % 60).padStart(2, '0');
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return `${h}:${m}:${s}`;
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}
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// --- TIMER CONTROL ---
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/**
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* Updates the display every second and manages the countdown.
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*/
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function updateTimer() {
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if (remainingSeconds <= 0) {
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stopTimer();
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triggerAlarm();
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return;
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}
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remainingSeconds--;
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timeDisplay.textContent = formatTime(remainingSeconds);
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let minI = 0;
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let minVal = MAX_TIME_SECONDS;
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for (let i = 0; i <= 100; i++) {
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const delta = Math.abs(mapSliderToTime(i) - remainingSeconds);
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if (delta < minVal) {
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minVal = delta;
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minI = i;
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}
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}
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slider.value = minI;
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}
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/**
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* Stops the current timer interval.
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*/
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function stopTimer() {
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if (timerInterval) {
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clearInterval(timerInterval);
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timerInterval = null;
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}
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isRunning = false;
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}
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/**
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* Starts the countdown based on the currently set remainingSeconds.
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*/
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function startTimer() {
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if (isRunning) {
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stopTimer();
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}
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// Set the interval to run every 1000 milliseconds (1 second)
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timerInterval = setInterval(updateTimer, 1000);
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isRunning = true;
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statusMessage.textContent = 'Timer running...';
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timerCard.classList.add('ring-4', 'ring-blue-400/50');
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}
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/**
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* Handles the alarm UI state when the timer reaches zero.
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*/
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function triggerAlarm() {
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statusMessage.textContent = 'TIME IS UP!';
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timerCard.classList.remove('ring-4', 'ring-blue-400/50');
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timerCard.classList.add('ring-4', 'ring-red-500/80');
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alarmModal.classList.remove('hidden');
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}
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/**
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* Closes the alarm modal and resets the UI state.
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*/
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function closeAlarmModal() {
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alarmModal.classList.add('hidden');
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timerCard.classList.remove('ring-4', 'ring-red-500/80');
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slider.disabled = false;
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resetDisplay(totalTimeSeconds); // Reset display to the last set value
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statusMessage.textContent = 'Slide and release to start';
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}
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window.closeAlarmModal = closeAlarmModal; // Expose to global scope for HTML onclick
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/**
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* Updates the time display to a specific value and updates the internal state.
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*/
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function resetDisplay(seconds) {
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remainingSeconds = seconds;
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timeDisplay.textContent = formatTime(seconds);
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}
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// --- EVENT LISTENERS ---
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// 1. Update time display continuously while the user drags the slider (input event)
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slider.addEventListener('input', (event) => {
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if (isRunning) {
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stopTimer();
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statusMessage.textContent = 'Timer paused. Release slider to restart.';
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timerCard.classList.remove('ring-4', 'ring-blue-400/50');
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}
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const value = parseInt(event.target.value);
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totalTimeSeconds = mapSliderToTime(value);
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resetDisplay(totalTimeSeconds);
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// Hide alarm if it was showing while interacting with slider
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if (!alarmModal.classList.contains('hidden')) {
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alarmModal.classList.add('hidden');
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}
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});
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// 2. Start the timer when the user releases the slider (change event)
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slider.addEventListener('change', () => {
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if (totalTimeSeconds > 0) {
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startTimer();
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}
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});
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// --- INITIALIZATION ---
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// Set initial state based on slider value 0
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document.addEventListener('DOMContentLoaded', () => {
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// Update time once on load for initial value (0 -> 5s)
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const initialValue = parseInt(slider.value);
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totalTimeSeconds = mapSliderToTime(initialValue);
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resetDisplay(totalTimeSeconds);
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});
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</script>
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</body>
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</html>
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‎assets/android-levels.svg‎

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‎assets/btn-progress.svg‎

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