body{margin:0;padding:0;background-color:#f5f5f5}h1{margin:0}button{background-color:#4caf50;color:#fff;border:none;border-radius:5px}button:hover{background-color:#45a049}.upload-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;border:2px dashed #3b82f6;border-radius:12px;background-color:#fff;cursor:pointer;transition:all .3s ease}.upload-container.dragging{border-color:#1e40af;background-color:#dbeafe}.file-input{display:none}.upload-button{padding:10px 24px;background-color:#3b82f6;color:#fff;font-weight:600;border:none;border-radius:8px;box-shadow:0 2px 6px #00000026;cursor:pointer;transition:background-color .3s ease}.upload-button:hover{background-color:#2563eb}.upload-text{margin-top:8px;color:#6b7280;font-size:14px;text-align:center}