.file-upload {
  width: 100%;
}

.file-upload h3 {
  color: #2c3e50;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.drop-zone {
  border: 2px dashed #bdc3c7;
  border-radius: 10px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: white;
}

.drop-zone:hover {
  border-color: #3498db;
  background-color: #f8f9fa;
  transform: translateY(-2px);
}

.drop-zone p {
  margin: 0.5rem 0;
  color: #7f8c8d;
}

.file-types {
  font-size: 0.9rem;
  color: #95a5a6;
}

.drag-active {
  border-color: #3498db;
  background-color: #e3f2fd;
  transform: scale(1.02);
}

.error-message {
  color: #e74c3c;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background-color: #fde8e8;
  border-radius: 5px;
  border: 1px solid #fab1a0;
}