utils.js

// Utility functions

// Format time as MM:SS
function formatTime(sec) {
    var m = Math.floor(sec / 60);
    var s = sec % 60;
    return (m < 10 ? '0' + m : m) + ':' + (s < 10 ? '0' + s : s);
}

// Get color for avatar based on name
function getColor(name) {
    var colors = ['#00e0ff', '#24c7d9', '#ffc107', '#ff6b9d', '#9c27b0', '#4caf50', '#ff9800', '#2196f3'];
    var num = 0;
    for (var i = 0; i < name.length; i++) {
        num += name.charCodeAt(i);
    }
    return colors[num % colors.length];
}

// Show toast notification
function showNotification(message, type = 'success') {
    const container = document.getElementById('notification-container');
    const notification = document.createElement('div');
    notification.className = `notification ${type}`;

    const icon = type === 'success' ? '✓' : '✕';

    notification.innerHTML = `
        <span class="notification-icon">${icon}</span>
        <span class="notification-message">${message}</span>
    `;

    container.appendChild(notification);

    // Remove after 3 seconds
    setTimeout(() => {
        notification.classList.add('fade-out');
        notification.addEventListener('animationend', () => {
            notification.remove();
        });
    }, 3000);
}