:root{--primary: #1a56db;--primary-hover: #1346b5;--bg: #f8f9fa;--surface: #ffffff;--border: #dee2e6;--text: #212529;--text-muted: #6c757d;--success: #198754;--danger: #dc3545;--radius: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--surface);border-right:1px solid var(--border);padding:1.5rem 0;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}.sidebar-header{padding:0 1.25rem 1.25rem;border-bottom:1px solid var(--border);margin-bottom:.75rem}.sidebar-header h1{font-size:1.125rem;font-weight:600;display:flex;align-items:center;gap:.5rem}.sidebar-header .product{font-size:.8125rem;color:var(--text-muted);margin-top:.25rem}.sidebar nav{flex:1}.nav-item{display:block;width:100%;text-align:left;padding:.625rem 1.25rem;border:none;background:none;cursor:pointer;font-size:.875rem;color:var(--text-muted);transition:all .15s}.nav-item:hover{background:var(--bg);color:var(--text)}.nav-item.active{color:var(--primary);font-weight:600;background:#eef2ff;border-right:3px solid var(--primary)}.nav-item.completed:before{content:"✓ ";color:var(--success)}.sidebar-footer{padding:1rem 1.25rem;border-top:1px solid var(--border)}.main{flex:1;padding:2rem 3rem;max-width:800px}.section-title{font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.section-subtitle{color:var(--text-muted);font-size:.875rem;margin-bottom:1.5rem}.field-group{margin-bottom:1.25rem}.field-group label{display:block;font-size:.8125rem;font-weight:600;margin-bottom:.375rem;color:var(--text)}.field-group label .required{color:var(--danger);margin-left:2px}.field-group input[type=text],.field-group input[type=email],.field-group input[type=tel],.field-group input[type=date],.field-group input[type=number],.field-group select,.field-group textarea{width:100%;padding:.5rem .75rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem;font-family:inherit;transition:border-color .15s}.field-group input:focus,.field-group select:focus,.field-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #1a56db1a}.field-group textarea{min-height:80px;resize:vertical}.field-group .hint{font-size:.75rem;color:var(--text-muted);margin-top:.25rem}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.field-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}.toggle-field{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}.toggle-field input[type=checkbox]{width:18px;height:18px;accent-color:var(--primary)}.toggle-field label{font-size:.875rem;font-weight:500;cursor:pointer;margin-bottom:0}.array-section{margin-bottom:1.5rem}.array-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;margin-bottom:.75rem;position:relative}.array-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.array-item-header h4{font-size:.8125rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.btn-remove{background:none;border:none;color:var(--danger);cursor:pointer;font-size:.8125rem;padding:.25rem .5rem;border-radius:var(--radius)}.btn-remove:hover{background:#fef2f2}.btn-add{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem 1rem;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);color:var(--primary);font-size:.8125rem;font-weight:500;cursor:pointer;transition:all .15s}.btn-add:hover{border-color:var(--primary);background:#eef2ff}.btn{padding:.625rem 1.25rem;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .15s;border:1px solid transparent}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#157347}.nav-buttons{display:flex;justify-content:space-between;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}.status-bar{font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.5rem}.status-bar .dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-bar .dot.saved{background:var(--success)}.status-bar .dot.saving{background:#ffc107}.status-bar .dot.unsaved{background:var(--danger)}.generate-panel{background:#f0fdf4;border:1px solid #86efac;border-radius:var(--radius);padding:1.5rem;margin-top:1.5rem;text-align:center}.generate-panel h3{font-size:1rem;margin-bottom:.5rem}.generate-panel p{font-size:.875rem;color:var(--text-muted);margin-bottom:1rem}@media(max-width:768px){.app{flex-direction:column}.sidebar{width:100%;height:auto;position:static;flex-direction:row;overflow-x:auto}.sidebar nav{display:flex}.nav-item{white-space:nowrap}.main{padding:1.5rem}.field-row{grid-template-columns:1fr}}