.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f5f5f5}.login-box{background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px #0000001a;text-align:center;max-width:400px;width:90%}.login-box h1{margin-bottom:.5rem;color:#333;font-size:1.8rem}.login-box p{margin-bottom:2rem;color:#666}.google-signin-btn{width:100%;padding:.75rem;background-color:#4285f4;color:#fff;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background-color .2s}.google-signin-btn:hover:not(:disabled){background-color:#357ae8}.google-signin-btn:disabled{opacity:.6;cursor:not-allowed}.error-message{background-color:#fee;color:#c33;padding:.75rem;border-radius:4px;margin-bottom:1rem;font-size:.9rem}.playground-container{flex:1;padding:2rem;max-width:1400px;margin:0 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ease;overflow:hidden;display:flex;align-items:center;justify-content:center}.user-image-dropzone:hover{border-color:#007bff;background-color:#f0f7ff}.user-image-dropzone.drag-over{border-color:#007bff;background-color:#e7f3ff;border-style:solid}.user-image-dropzone.invalid-field{border-color:#dc3545;background-color:#fff5f5}.user-image-dropzone.has-image{border-style:solid;border-color:#dee2e6;padding:1rem}.dropzone-content{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem;text-align:center}.dropzone-icon{font-size:3rem;opacity:.6}.dropzone-text{color:#666;font-size:.9rem}.dropzone-image-preview{max-width:150px;max-height:150px;width:auto;height:auto;object-fit:contain;border-radius:4px;border:1px solid #ddd}.dropzone-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;opacity:0;transition:opacity .3s ease}.user-image-dropzone.has-image:hover .dropzone-overlay{opacity:1}.dropzone-overlay .dropzone-text{color:#fff;font-weight:500}.delete-user-image-btn{background:#ffffffe6;border:none;border-radius:50%;cursor:pointer;font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:0 2px 4px #0003}.delete-user-image-btn:hover:not(:disabled){background:#fff;transform:scale(1.1);box-shadow:0 4px 8px #0000004d}.delete-user-image-btn:disabled{opacity:.5;cursor:not-allowed}.radio-group{display:flex;gap:1.5rem;margin-bottom:.5rem}.radio-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:400}.radio-label input[type=radio]{cursor:pointer;margin:0}.radio-label input[type=radio]:disabled{cursor:not-allowed}.form-actions{display:flex;gap:1rem;margin-top:.5rem}.submit-btn,.clear-btn{padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:background-color .2s}.submit-btn{background-color:#007bff;color:#fff;min-width:120px}.submit-btn:hover:not(:disabled){background-color:#0056b3}.clear-btn{background-color:#6c757d;color:#fff}.clear-btn:hover:not(:disabled){background-color:#5a6268}.submit-btn:disabled,.clear-btn:disabled{opacity:.6;cursor:not-allowed}.error-message{background-color:#fee;color:#c33;padding:.75rem;border-radius:4px;font-size:.9rem}.result-section{flex:1;max-width:600px;background-color:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 4px #0000001a;min-width:300px;border:2px dashed #ddd;display:flex;flex-direction:column}.result-section h3{margin-bottom:1rem;color:#333}.result-image{width:100%;height:auto;border-radius:4px;max-width:100%}.result-placeholder{display:flex;align-items:center;justify-content:center;flex:1;color:#999;font-size:1rem}.loader{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;gap:1rem}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #007bff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loader p{color:#666;font-size:.9rem}@media (max-width: 968px){.playground-content{flex-direction:column}.result-section{min-width:100%}}@media (max-width: 768px){.playground-container{padding:1rem}.form-section,.result-section{padding:1.5rem}.dropzones-container,.form-actions{flex-direction:column}.submit-btn,.clear-btn{width:100%}}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background-color:#fff;padding:1rem 2rem;box-shadow:0 2px 4px #0000001a;display:flex;justify-content:space-between;align-items:center}.app-header h1{font-size:1.5rem;color:#333}.header-right{display:flex;align-items:center;gap:1rem}.user-greeting{color:#333;font-size:.9rem}.logout-btn{padding:.5rem 1rem;background-color:#dc3545;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem}.logout-btn:hover{background-color:#c82333}.loading-container{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:1.2rem;color:#666}@media (max-width: 768px){.app-header{padding:1rem;flex-direction:column;gap:1rem}.app-header h1{font-size:1.2rem}.header-right{flex-direction:column;gap:.5rem;width:100%}.logout-btn{width:100%}}*{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-color:#f5f5f5}#root{min-height:100vh}