.pdf-converter{padding:40px;position:relative}.converter-controls{margin-bottom:30px}.file-upload-section{background:#f8f9fa;border-radius:12px;padding:30px;border:2px dashed #dee2e6;transition:all .3s ease}.file-upload-section:hover{border-color:#667eea;background:#f0f2ff}.file-input-wrapper{margin-bottom:20px}.file-input{display:none}.file-input-label{display:flex;align-items:center;justify-content:center;gap:10px;padding:20px;background:#fff;border-radius:8px;cursor:pointer;transition:all .3s ease;font-size:1.1rem;color:#495057;border:2px solid #dee2e6}.file-input-label:hover{background:#667eea;color:#fff;border-color:#667eea;transform:translateY(-2px);box-shadow:0 4px 12px #667eea4d}.upload-icon{font-size:1.5rem}.options-section{margin-top:20px;padding-top:20px;border-top:1px solid #dee2e6}.option-group{margin-bottom:20px}.checkbox-label{display:flex;align-items:center;gap:10px;font-size:1rem;color:#495057;cursor:pointer}.checkbox-label input[type=checkbox]{width:20px;height:20px;cursor:pointer;accent-color:#667eea}.scale-label{display:flex;align-items:center;gap:15px;font-size:1rem;color:#495057;flex-wrap:wrap}.scale-slider{flex:1;min-width:200px;height:6px;border-radius:3px;background:#dee2e6;outline:none;-webkit-appearance:none}.scale-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:#667eea;cursor:pointer;transition:all .3s ease}.scale-slider::-webkit-slider-thumb:hover{background:#5568d3;transform:scale(1.1)}.scale-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#667eea;cursor:pointer;border:none;transition:all .3s ease}.scale-slider::-moz-range-thumb:hover{background:#5568d3;transform:scale(1.1)}.scale-value{font-weight:600;color:#667eea;min-width:40px}.action-buttons{display:flex;gap:15px;margin-top:20px;flex-wrap:wrap}.btn{padding:12px 30px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:.5px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 15px #667eea66}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea80}.btn-secondary{background:#6c757d;color:#fff}.btn-secondary:hover{background:#5a6268;transform:translateY(-2px)}.btn-download{background:#28a745;color:#fff;box-shadow:0 4px 15px #28a7454d}.btn-download:hover{background:#218838;transform:translateY(-2px);box-shadow:0 6px 20px #28a74566}.btn-download-small{padding:8px 20px;background:#28a745;color:#fff;border:none;border-radius:6px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%;margin-top:10px}.btn-download-small:hover{background:#218838;transform:translateY(-2px)}.error-message{background:#f8d7da;color:#721c24;padding:15px;border-radius:8px;margin-top:20px;border:1px solid #f5c6cb}.loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#fffffff2;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1000;border-radius:20px}.loading-spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-overlay p{color:#495057;font-size:1.1rem}.images-section{margin-top:40px;padding-top:40px;border-top:2px solid #dee2e6}.images-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;gap:15px}.images-header h2{color:#495057;font-size:1.8rem}.images-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}.image-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px #0000001a;transition:all .3s ease;border:1px solid #dee2e6}.image-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #00000026}.image-wrapper{width:100%;background:#f8f9fa;display:flex;align-items:center;justify-content:center;overflow:hidden;max-height:400px}.preview-image{max-width:100%;height:auto;display:block;object-fit:contain}.image-info{padding:15px;display:flex;justify-content:space-between;align-items:center;background:#f8f9fa;font-size:.9rem;color:#6c757d;flex-wrap:wrap;gap:10px}@media (max-width: 768px){.pdf-converter{padding:20px}.images-grid{grid-template-columns:1fr}.images-header{flex-direction:column;align-items:flex-start}.action-buttons{flex-direction:column}.btn{width:100%}.scale-label{flex-direction:column;align-items:flex-start}.scale-slider{width:100%}}.app{min-height:100vh;padding:20px;display:flex;justify-content:center;align-items:flex-start}.app-container{width:100%;max-width:1200px;background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;overflow:hidden}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:40px;text-align:center}.app-header h1{font-size:2.5rem;margin-bottom:10px;font-weight:700}.app-header p{font-size:1.1rem;opacity:.95}@media (max-width: 768px){.app-header h1{font-size:2rem}.app-header p{font-size:1rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}#root{min-height:100vh}