.content-wrapper {
  display: flex;
  gap: 2rem;
}

.main-content {
  flex: 1;
  min-width: 0;
}

.side-content {
  width: 30%;
  min-width: 250px;
}

@media (max-width: 768px) {
  .content-wrapper {
    flex-direction: column;
  }
  .side-content {
    width: 100%;
  }
}

main ul.file-list {
  list-style: none;
  padding: 0;
}

main ul.file-list li {
  display: flex;
  align-items: center;
  gap: 4px;
}

main ul.file-list li .delete-button {
  display: none;
  padding: 0 4px;
  margin: 0;
  background: none;
  border: none;
  font-weight: bold;
  color: #ff4444;
  transition: transform 0.2s;
  cursor: pointer;
  font-size: 1.2em;
  line-height: 1;
}

main ul.file-list li:hover .delete-button {
  display: block;
}

main ul.file-list li .delete-button:hover {
  transform: scale(1.2);
}

.upload-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.file-input {
  margin: 0;
}

.upload-button {
  width: 100%;
}

.progress-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px;
  background: rgba(0, 0, 0, 0.1);
  display: none;
}

.progress-bar {
  width: 0%;
  height: 20px;
  background: #4CAF50;
}

.drag-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  display: none;
}

.drag-text {
  color: white;
  font-size: 2em;
}