.upload-section{border:2px dashed #6f6f6f;padding:30px;cursor:pointer;border-radius:10px;transition:background 0.3s;background:#efefef;margin-bottom:15px;}.upload-section:hover{background-color:#f0f8ff;}.upload-section i{font-size:2rem;color:#007bff;}.image-preview{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;}.image-preview img{width:90%;height:auto;border-radius:5px;box-shadow:0 2px 4px rgba(0,0,0,0.1);}.actions{display:flex;justify-content:center;gap:1rem;}button{background:#0669FF;color:#fff;border:none;padding:0.75rem 1.5rem;border-radius:5px;cursor:pointer;transition:background 0.3s ease;}button:disabled{background:#ccc;cursor:not-allowed;}button:hover:not(:disabled){background:#218838;}.convert-button{background:#2c3e50!important;}.convert-button:hover{background:#ff4757!important;}