.editor-area{display:grid;grid-template-columns:3fr 1fr;gap:2rem;align-items:flex-start;}.preview-panel{display:flex;flex-direction:column;align-items:center;gap:1rem;}#canvas-container{position:relative;width:100%;max-width:800px;margin:0 auto;box-shadow:0 10px 30px rgba(0,0,0,0.2);line-height:0;}.fabric-canvas-wrapper,.canvas-container{position:absolute !important;top:0;left:0;width:100% !important;height:100% !important;z-index:10;}#pdf-render-canvas{position:relative;z-index:1;display:block;width:100%;height:auto;background-color:white;border:1px solid var(--card-border);}.pagination{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1rem;}.pagination span{font-weight:500;}.options-panel{background:var(--card-bg);border:1px solid var(--card-border);border-radius:16px;padding:2rem;position:sticky;top:100px;}.options-panel h3{margin-bottom:1.5rem;color:var(--primary-color);}.options-panel .btn-secondary{width:100%;margin-bottom:1rem;}.options-panel hr{border-color:var(--card-border);margin:1.5rem 0;}.btn-link-danger{background:none;border:none;color:#ff4d4d;cursor:pointer;}#contextual-options h4{font-size:1rem;color:var(--primary-color);margin-bottom:1rem;}.option-group{padding-bottom:1rem;}.form-group label{display:block;font-weight:500;margin-bottom:0.75rem;}.slider{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:rgba(255,255,255,0.1);outline:none;border-radius:10px;cursor:pointer;}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;background:var(--primary-color);border-radius:50%;border:3px solid var(--bg-color);box-shadow:0 0 5px rgba(0,0,0,0.2);}input[type="color"]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:40px;background-color:transparent;border:1px solid var(--card-border);border-radius:8px;cursor:pointer;}input[type="color"]::-webkit-color-swatch{border-radius:6px;border:none;}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;z-index:1002;animation:fadeIn 0.3s;}.modal-content{background:var(--bg-color);color:var(--text-color);padding:2rem;border-radius:16px;width:90%;max-width:600px;position:relative;border:1px solid var(--card-border);}.close-modal{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--text-color-light);font-size:1.5rem;cursor:pointer;}.modal-content h3{text-align:center;margin-bottom:1.5rem;color:var(--primary-color);}.unit-tabs{display:flex;background:rgba(255,255,255,0.05);border-radius:8px;margin-bottom:1.5rem;overflow:hidden;}.tab-link{flex:1;padding:0.8rem;background:none;border:none;color:var(--text-color-light);font-size:0.9rem;font-weight:500;cursor:pointer;transition:background 0.3s ease;}.tab-link.active{background:var(--primary-color);color:#fff;}.signature-tab{display:none;}.signature-tab.active{display:block;text-align:center;}.signature-pad{background:#fff;border-radius:8px;cursor:crosshair;}#type-signature-input{text-align:center;font-size:2rem;margin-bottom:1rem;width:100%;}.font-preview-grid{display:grid;grid-template-columns:1fr;gap:1rem;}.font-preview{padding:1rem;border:1px solid var(--card-border);border-radius:8px;font-size:2rem;cursor:pointer;transition:all 0.2s;}.font-preview:hover,.font-preview.selected{border-color:var(--primary-color);color:var(--primary-color);}#save-signature-btn{width:100%;margin-top:2rem;}.file-name-display{color:var(--text-color-light);font-size:0.9rem;margin-top:1rem;}.btn-link{background:none;border:none;color:var(--text-color-light);cursor:pointer;text-decoration:underline;transition:color 0.3s ease;}.fixed-bottom-bar{position:fixed;bottom:0;left:0;width:100%;background-color:rgba(13,13,26,0.8);backdrop-filter:blur(10px);padding:1rem;display:flex;justify-content:center;z-index:100;border-top:1px solid var(--card-border);}@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}