#previewImg,.format-option input,input[type=file]{display:none}.converter-card,.formats-container,.upload-area{display:flex;width:100%}.btn-convert,.format-option label,.upload-area{cursor:pointer;transition:.3s}.btn-convert,.download-link{color:#000;font-weight:700;transition:.3s}.converter-card{max-width:1100px;margin:20px auto auto;background:linear-gradient(135deg,rgba(0,255,155,.1),rgba(0,128,255,.1));box-shadow:0 8px 30px rgba(0,0,0,.3);border-radius:20px;backdrop-filter:blur(15px);padding:40px;flex-direction:column;align-items:center;box-sizing:border-box;text-align:center}.formats-container,.upload-area,h2{margin-bottom:25px}h2{font-size:2em;text-shadow:0 0 8px rgba(255,255,255,.3)}.upload-area{height:220px;border:3px dotted red;border-radius:14px;padding:40px 20px;text-align:center;background:rgba(255,255,255,.05);flex-direction:column;align-items:center;justify-content:center}.upload-area.dragover{background:rgba(255,0,0,.1);border-color:#f44}#previewImg{width:auto;max-width:90%;max-height:400px;border-radius:16px;margin-top:20px;object-fit:contain;box-shadow:0 10px 25px rgba(0,0,0,.3)}.formats-container{flex-wrap:wrap;justify-content:center;gap:15px}.format-option{position:relative}.format-option label{display:inline-block;padding:12px 24px;border:2px solid #0f9;border-radius:30px;font-weight:500;color:#00000;letter-spacing:.5px}.format-option input:checked+label{background:linear-gradient(135deg,#0f9,#00e676);color:#000;border-color:transparent;box-shadow:0 0 12px rgba(0,255,150,.5)}.btn-convert{width:100%;max-width:400px;background:linear-gradient(135deg,#00c853,#00e676);border:none;border-radius:12px;padding:16px;font-size:1.1em;box-shadow:0 5px 15px rgba(0,255,100,.3)}.btn-convert:hover,.download-link{background:linear-gradient(135deg,#00e676,#00c853)}.btn-convert:hover{transform:scale(1.03)}.loading{display:none;margin-top:15px;font-size:1em;animation:1.5s infinite pulse}@keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}.download-link{display:none;border-radius:10px;padding:12px 30px;text-decoration:none;margin-top:25px;box-shadow:0 4px 15px rgba(0,255,120,.3)}.download-link:hover{transform:scale(1.05);background:linear-gradient(135deg,#00c853,#00e676)}@media (max-width:768px){.converter-card{padding:25px}#previewImg{max-height:250px}.settings-panel{display:block}}