.uploader{background-color:#fff;border:2px dashed #cbd5e0;border-radius:8px;padding:2rem;text-align:center;cursor:pointer;transition:all .2s ease}.uploader:hover{border-color:#3498db;background-color:#f8f9fa}.uploader-active{border-color:#3498db;background-color:#e3f2fd}.uploader-content{display:flex;flex-direction:column;align-items:center;gap:.5rem}.uploader-icon{width:48px;height:48px;color:#3498db;margin-bottom:.5rem}.uploader-title{font-size:1.1rem;font-weight:600;color:#2c3e50}.uploader-hint{font-size:.9rem;color:#7f8c8d}.signature-preview{width:100%;display:flex;flex-direction:column;gap:.5rem}.signature-preview img{max-width:200px;max-height:100px;margin:0 auto;border:1px solid #e0e0e0;border-radius:4px;padding:.5rem;background-color:#fff}.text-annotation-input{border:2px solid #3498db;background-color:#fffffff2;padding:4px 8px;border-radius:4px;outline:none;min-width:150px}.text-annotation-display{position:relative;cursor:move;padding:4px 28px 4px 8px;background-color:#ffffc84d;border:1px dashed #f39c12;border-radius:4px;-webkit-user-select:none;user-select:none;white-space:nowrap}.text-annotation-display:hover{background-color:#ffffc880;border-color:#e67e22}.text-annotation-delete{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:20px;height:20px;border:none;background-color:#e74c3c;color:#fff;border-radius:50%;cursor:pointer;font-size:16px;line-height:1;padding:0;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.text-annotation-delete:hover{background-color:#c0392b}.pdf-viewer{background-color:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;overflow:hidden}.pdf-controls{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid #e0e0e0;background-color:#f8f9fa;flex-wrap:wrap;gap:1rem}.page-controls{display:flex;align-items:center;gap:1rem}.page-controls button{padding:.5rem 1rem;background-color:#3498db;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .2s}.page-controls button:hover:not(:disabled){background-color:#2980b9}.page-controls button:disabled{background-color:#bdc3c7;cursor:not-allowed}.export-button{padding:.5rem 1.5rem;background-color:#27ae60;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem;font-weight:600;transition:background-color .2s}.export-button:hover:not(:disabled){background-color:#229954}.export-button:disabled{background-color:#95a5a6;cursor:not-allowed}.pdf-container{padding:2rem;background-color:#e9ecef;display:flex;justify-content:center;align-items:flex-start;min-height:600px;overflow:auto}.pdf-page-wrapper{position:relative;display:inline-block;box-shadow:0 4px 12px #00000026}.pdf-document{-webkit-user-select:none;user-select:none}.draggable-signature{max-width:200px;max-height:100px;border:2px dashed #3498db;background-color:#ffffffe6;padding:4px;border-radius:4px;box-shadow:0 2px 8px #0003}.draggable-signature:hover{border-color:#2980b9;box-shadow:0 4px 12px #0000004d}.text-controls{display:flex;align-items:center;gap:.5rem}.add-text-button{padding:.5rem 1rem;background-color:#e67e22;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color .2s}.add-text-button:hover{background-color:#d35400}.add-text-button.active{background-color:#c0392b}.font-size-selector,.font-family-selector{padding:.5rem;border:1px solid #bdc3c7;border-radius:4px;background-color:#fff;cursor:pointer;font-size:.9rem}.pdf-page-wrapper.adding-text{cursor:crosshair}.app{min-height:100vh;display:flex;flex-direction:column}.header{background-color:#2c3e50;color:#fff;padding:2rem;text-align:center;box-shadow:0 2px 4px #0000001a}.header h1{margin-bottom:.5rem;font-size:2rem}.header p{color:#bdc3c7;font-size:.9rem}.main-content{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.upload-section{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2rem}.placeholder{background-color:#fff;border:2px dashed #ddd;border-radius:8px;padding:4rem 2rem;text-align:center;color:#95a5a6}.footer{background-color:#2c3e50;color:#bdc3c7;padding:1rem 2rem;text-align:center;font-size:.85rem;margin-top:auto}.footer p{margin:0}.footer a{color:#3498db;text-decoration:none;transition:color .2s}.footer a:hover{color:#5dade2;text-decoration:underline}@media(max-width:768px){.upload-section{grid-template-columns:1fr}}*{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}