.upload-container{background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;max-width:800px;width:100%;padding:40px}.upload-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;gap:20px}.upload-header h1{color:#2d3748;font-size:2rem;margin-bottom:5px}.upload-header p{color:#718096;font-size:1rem}.user-info{text-align:right;font-size:.9rem}.user-info strong{display:block;color:#2d3748;margin-bottom:8px}.logout-btn{background:#e2e8f0;color:#4a5568;border:none;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:.9rem;transition:background .3s}.logout-btn:hover{background:#cbd5e0}.dropzone{border:3px dashed #cbd5e0;border-radius:15px;padding:60px 20px;text-align:center;cursor:pointer;transition:all .3s ease;margin-bottom:30px;background:#f7fafc}.dropzone:hover,.dropzone.active{border-color:#667eea;background:#edf2f7}.dropzone-content{pointer-events:none}.dropzone-icon{font-size:3rem;margin-bottom:15px}.dropzone-text{color:#4a5568;font-size:1.1rem;margin-bottom:10px}.dropzone-hint{color:#a0aec0;font-size:.9rem}.files-section{margin-top:30px}.files-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:10px}.files-header h3{color:#2d3748;font-size:1.3rem}.files-header div{display:flex;gap:10px}.btn-sm{padding:8px 16px;font-size:.9rem;width:auto}.files-list{display:flex;flex-direction:column;gap:15px}.file-item{background:#f7fafc;border:2px solid #e2e8f0;border-radius:10px;padding:15px;position:relative;transition:all .3s ease}.file-item.uploading{border-color:#667eea;background:#edf2f7}.file-item.completed{border-color:#48bb78;background:#f0fff4}.file-item.error{border-color:#f56565;background:#fff5f5}.file-info{margin-bottom:10px}.file-name{font-weight:600;color:#2d3748;margin-bottom:5px;word-break:break-word;padding-right:30px}.file-size{color:#718096;font-size:.9rem}.file-error{color:#c53030;font-size:.85rem;margin-top:5px}.progress-bar-container{background:#e2e8f0;border-radius:10px;height:25px;overflow:hidden;position:relative}.progress-bar{background:linear-gradient(90deg,#667eea,#764ba2);height:100%;transition:width .3s ease;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.85rem}.btn-remove{position:absolute;top:10px;right:10px;background:#e2e8f0;color:#4a5568;border:none;width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:1.5rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.btn-remove:hover{background:#cbd5e0;transform:scale(1.1)}@media(max-width:768px){.upload-header{flex-direction:column;align-items:flex-start}.user-info{text-align:left;width:100%}.files-header{flex-direction:column;align-items:flex-start}.files-header div,.btn-sm{width:100%}}.container{background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;max-width:600px;width:100%;padding:40px}.header{text-align:center;margin-bottom:30px}.header h1{color:#2d3748;font-size:2rem;margin-bottom:10px}.header p{color:#718096;font-size:1rem}.form-group{margin-bottom:20px}.form-group label{display:block;color:#4a5568;font-weight:600;margin-bottom:8px;font-size:.95rem}.form-group input{width:100%;padding:12px;border:2px solid #e2e8f0;border-radius:10px;font-size:1rem;transition:border-color .3s ease}.form-group input:focus{outline:none;border-color:#667eea}.btn{width:100%;padding:15px;border:none;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-bottom:10px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #667eea66}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:#e2e8f0;color:#4a5568}.btn-secondary:hover{background:#cbd5e0}.message{padding:15px;border-radius:10px;margin-bottom:20px;text-align:center}.message.success{background:#c6f6d5;color:#22543d}.message.error{background:#fed7d7;color:#742a2a}.message.info{background:#bee3f8;color:#2c5282}.link-text{text-align:center;margin-top:20px;color:#718096}.link-text a{color:#667eea;text-decoration:none;font-weight:600;cursor:pointer}.link-text a:hover{text-decoration:underline}.spinner{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading{text-align:center;padding:40px}.loading .spinner{font-size:3rem;margin-bottom:20px}.loading p{color:#718096;font-size:1.1rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}