Dropzone Upload File

<div class="w-full max-w-md mx-auto">
<div id="dropzone" class="border-2 border-dashed border-gray-300 dark:border-zinc-700 rounded-2xl p-10 text-center hover:bg-gray-50 dark:hover:bg-zinc-800/50 transition-colors cursor-pointer flex flex-col items-center justify-center">
  <svg class="w-12 h-12 text-indigo-500 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12"></path></svg>
  <p class="text-sm text-gray-600 dark:text-gray-300 font-medium">Click to upload or drag and drop</p>
  <p class="text-xs text-gray-400 mt-2">SVG, PNG, JPG or GIF (MAX. 800x400px)</p>
  <input type="file" id="file-upload" class="hidden" multiple />
</div>
<div id="file-list" class="mt-4 space-y-2"></div>
</div>
<script>
const dropzone = document.getElementById('dropzone');
const input = document.getElementById('file-upload');
const list = document.getElementById('file-list');

dropzone.addEventListener('click', () => input.click());

dropzone.addEventListener('dragover', (e) => {
  e.preventDefault();
  dropzone.classList.add('border-indigo-500', 'bg-indigo-50', 'dark:bg-indigo-900/20');
});

['dragleave', 'dragend'].forEach(type => {
  dropzone.addEventListener(type, () => {
    dropzone.classList.remove('border-indigo-500', 'bg-indigo-50', 'dark:bg-indigo-900/20');
  });
});

dropzone.addEventListener('drop', (e) => {
  e.preventDefault();
  dropzone.classList.remove('border-indigo-500', 'bg-indigo-50', 'dark:bg-indigo-900/20');
  if (e.dataTransfer.files.length) {
    input.files = e.dataTransfer.files;
    updateList();
  }
});

input.addEventListener('change', updateList);

function updateList() {
  list.innerHTML = '';
  Array.from(input.files).forEach(file => {
    const div = document.createElement('div');
    div.className = 'flex items-center justify-between p-3 bg-white dark:bg-zinc-800 rounded-lg shadow-sm border border-gray-100 dark:border-zinc-700';
    div.innerHTML = `<span class="text-sm font-medium text-gray-700 dark:text-gray-200">${file.name}</span><span class="text-xs text-gray-500">${(file.size/1024).toFixed(1)} KB</span>`;
    list.appendChild(div);
  });
}
</script>