document.querySelector('.header .create-btn');
    const closeBtn = document.querySelector('.close-btn');
    const projectForm = document.getElementById('project-form');
    const dropZone = document.getElementById('drop-zone');
    const fileInput = document.getElementById('file-input');
    const progressContainer = document.getElementById('progress-container');
    const createProjectBtn = document.querySelector('#project-form .create-btn');
    const tabBtns = document.querySelectorAll('.tab-btn');
   