.qrlayout-designer{--primary-color:#6366f1;--primary-hover:#4f46e5;--bg-color:#f1f5f9;--panel-bg:#fff;--panel-bg-alt:#f8fafc;--text-primary:#0f172a;--text-secondary:#64748b;--border-color:#e2e8f0;--input-bg:#fff;--danger-color:#ef4444;--success-color:#10b981;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;background-color:var(--bg-color);color:var(--text-primary);box-sizing:border-box;flex-direction:column;width:100%;height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;display:flex;overflow:hidden}.qrlayout-designer.dark-mode{--bg-color:#0f172a;--panel-bg:#1e293b;--panel-bg-alt:#334155;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-color:#334155;--input-bg:#1e293b}.qrlayout-designer ::-webkit-scrollbar{width:8px;height:8px}.qrlayout-designer ::-webkit-scrollbar-track{background:0 0}.qrlayout-designer ::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.qrlayout-designer ::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.qrlayout-designer *{box-sizing:border-box}.qrlayout-designer header{background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);height:64px;box-shadow:var(--shadow-sm);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;padding:0 24px;display:flex}.qrlayout-designer h1{align-items:center;gap:12px;margin:0;font-size:1.25rem;font-weight:700;display:flex}.qrlayout-designer .logo-icon{background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.qrlayout-designer .main-container{flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.qrlayout-designer .list-view{flex-direction:column;width:100%;max-width:1200px;margin:0 auto;padding:32px}.qrlayout-designer .view-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.qrlayout-designer .table-container{background-color:var(--panel-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:12px;overflow:hidden}.qrlayout-designer table{border-collapse:collapse;text-align:left;width:100%}.qrlayout-designer th{background-color:var(--panel-bg-alt);text-transform:uppercase;color:var(--text-secondary);border-bottom:1px solid var(--border-color);padding:12px 24px;font-size:.75rem;font-weight:600}.qrlayout-designer td{border-bottom:1px solid var(--border-color);padding:16px 24px;font-size:.875rem}.qrlayout-designer tr:last-child td{border-bottom:none}.qrlayout-designer tr:hover td{background-color:var(--panel-bg-alt)}.qrlayout-designer .edit-view{height:100%;display:flex}.qrlayout-designer .sidebar{background-color:var(--panel-bg);border-right:1px solid var(--border-color);flex-direction:column;width:320px;display:flex;overflow-y:auto}.qrlayout-designer .sidebar-right{background-color:var(--panel-bg);border-left:1px solid var(--border-color);flex-direction:column;width:320px;display:flex;overflow-y:auto}.qrlayout-designer .sidebar-section{border-bottom:1px solid var(--border-color);padding:16px}.qrlayout-designer .sidebar-section:last-child{border-bottom:none}.qrlayout-designer .sidebar-title{text-transform:uppercase;color:var(--text-secondary);letter-spacing:.05em;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:.75rem;font-weight:700;display:flex}.qrlayout-designer .preview-area{background-color:var(--bg-color);background-image:radial-gradient(var(--border-color) 1px,transparent 1px);background-size:24px 24px;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px;display:flex;position:relative;overflow:auto}.qrlayout-designer .canvas-wrapper{box-shadow:var(--shadow-lg);background:#fff;position:relative}.qrlayout-designer .form-group{margin-bottom:16px}.qrlayout-designer .form-group label{color:var(--text-secondary);margin-bottom:6px;font-size:.75rem;font-weight:500;display:block}.qrlayout-designer .form-row{gap:12px;display:flex}.qrlayout-designer input,.qrlayout-designer select,.qrlayout-designer textarea{background-color:var(--input-bg);border:1px solid var(--border-color);width:100%;color:var(--text-primary);border-radius:6px;padding:8px 12px;font-size:.875rem;transition:all .2s}.qrlayout-designer input:focus,.qrlayout-designer select:focus,.qrlayout-designer textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 2px #6366f133}.qrlayout-designer .color-picker-wrapper{align-items:center;gap:8px;display:flex}.qrlayout-designer .color-preview{border:1px solid var(--border-color);border-radius:4px;width:24px;height:24px}.qrlayout-designer .btn{cursor:pointer;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:8px;height:36px;padding:8px 16px;font-size:.875rem;font-weight:600;transition:all .2s;display:inline-flex}.qrlayout-designer .btn-primary{background-color:var(--primary-color);color:#fff}.qrlayout-designer .btn-primary:hover{background-color:var(--primary-hover)}.qrlayout-designer .btn-secondary{background-color:var(--panel-bg);border-color:var(--border-color);color:var(--text-primary)}.qrlayout-designer .btn-secondary:hover{background-color:var(--panel-bg-alt)}.qrlayout-designer .btn-outline{border-color:var(--border-color);color:var(--text-primary);background-color:#0000}.qrlayout-designer .btn-outline:hover{background-color:#80808014}.qrlayout-designer .btn-danger{color:var(--danger-color);background-color:#ef44441a}.qrlayout-designer .btn-danger:hover{background-color:#ef444433}.qrlayout-designer .btn-icon{width:32px;height:32px;padding:0}.qrlayout-designer .btn-block{width:100%}.qrlayout-designer .btn-sm{height:28px;padding:4px 8px;font-size:.75rem}.qrlayout-designer .element-list{flex-direction:column;gap:4px;display:flex}.qrlayout-designer .element-item{cursor:pointer;border-radius:6px;justify-content:space-between;align-items:center;padding:8px 12px;transition:all .2s;display:flex}.qrlayout-designer .element-item:hover{background-color:var(--panel-bg-alt)}.qrlayout-designer .element-item.active{color:var(--primary-color);background-color:#6366f11a}.qrlayout-designer .element-info{flex-direction:column;display:flex}.qrlayout-designer .element-name{font-size:.8125rem;font-weight:600}.qrlayout-designer .element-sub{color:var(--text-secondary);font-size:.6875rem}.qrlayout-designer .sample-data-list{flex-direction:column;gap:12px;display:flex}.qrlayout-designer .sample-data-list .form-group label{justify-content:space-between;align-items:center;display:flex}.qrlayout-designer .sample-data-list label code{opacity:.7;background:var(--panel-bg-alt);border:1px solid var(--border-color);border-radius:4px;padding:2px 4px;font-family:monospace;font-size:.625rem}.qrlayout-designer .modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;opacity:0;pointer-events:none;background:#0f172a80;justify-content:center;align-items:center;transition:all .3s;display:flex;position:fixed;inset:0}.qrlayout-designer .modal-overlay.show{opacity:1;pointer-events:auto}.qrlayout-designer .modal-content{background:var(--panel-bg);width:90%;max-width:600px;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);border-radius:16px;transition:all .3s;overflow:hidden;transform:translateY(20px)}.qrlayout-designer .modal-overlay.show .modal-content{transform:translateY(0)}.qrlayout-designer .modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.qrlayout-designer .modal-header h3{margin:0;font-size:1.25rem;font-weight:700}.qrlayout-designer .btn-close{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:4px;font-size:1.5rem;line-height:1}.qrlayout-designer .modal-body{max-height:60vh;padding:24px;overflow-y:auto}.qrlayout-designer .modal-footer{border-top:1px solid var(--border-color);background:var(--panel-bg-alt);justify-content:flex-end;padding:16px 24px;display:flex}.qrlayout-designer .sample-data-grid-container{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;display:grid}.qrlayout-designer .toggle-group{border:1px solid var(--border-color);border-radius:6px;width:fit-content;display:flex;overflow:hidden}.qrlayout-designer .toggle-btn{background:var(--panel-bg);cursor:pointer;color:var(--text-secondary);border:none;border-right:1px solid var(--border-color);justify-content:center;align-items:center;padding:6px 10px;display:flex}.qrlayout-designer .toggle-btn:last-child{border-right:none}.qrlayout-designer .toggle-btn.active{background:var(--panel-bg-alt);color:var(--primary-color)}.qrlayout-designer .field-buttons{flex-wrap:wrap;gap:4px;margin-top:8px;display:flex}.qrlayout-designer .field-pill{background:var(--panel-bg-alt);border:1px solid var(--border-color);cursor:pointer;color:var(--text-secondary);border-radius:4px;padding:2px 6px;font-size:.625rem}.qrlayout-designer .field-pill:hover{border-color:var(--primary-color);color:var(--primary-color)}.qrlayout-designer .editor-item{box-sizing:border-box;cursor:move;border:1px dashed #6366f159;position:absolute}.qrlayout-designer .editor-item.selected{border:2px solid var(--primary-color);background:#6366f10d}.qrlayout-designer .editor-item:not(.selected) .resize-handle{display:none}.qrlayout-designer .resize-handle{border:2px solid var(--primary-color);cursor:nwse-resize;z-index:10;background:#fff;border-radius:50%;width:8px;height:8px;position:absolute;bottom:-5px;right:-5px}.qrlayout-designer .toolbar{z-index:20;gap:12px;display:flex;position:absolute;top:24px;right:24px}.qrlayout-designer .sidebar-toggle{background:var(--panel-bg);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;z-index:100;width:40px;height:40px;box-shadow:var(--shadow-md);border-radius:8px;justify-content:center;align-items:center;transition:all .3s cubic-bezier(.4,0,.2,1);display:none;position:absolute;top:12px}.qrlayout-designer .sidebar-toggle:hover{background-color:var(--panel-bg-alt);border-color:var(--primary-color);color:var(--primary-color)}.qrlayout-designer #toggle-left{left:12px}.qrlayout-designer #toggle-right{right:12px}@media (max-width:768px){.qrlayout-designer header{flex-direction:column;align-items:flex-start;gap:12px;height:auto;padding:16px}.qrlayout-designer header h1{font-size:1.125rem}.qrlayout-designer .logo-icon{width:28px;height:28px;font-size:.75rem}.qrlayout-designer header .btn{height:32px;padding:6px 10px;font-size:.75rem}.qrlayout-designer .sidebar,.qrlayout-designer .sidebar-right{z-index:50;width:100%;max-width:320px;box-shadow:var(--shadow-lg);transition:transform .3s cubic-bezier(.4,0,.2,1);position:fixed;top:64px;bottom:0}.qrlayout-designer .sidebar{left:0;transform:translate(-100%)}.qrlayout-designer .sidebar-right{right:0;transform:translate(100%)}.qrlayout-designer .sidebar.show,.qrlayout-designer .sidebar-right.show{transform:translate(0)}.qrlayout-designer .sidebar-toggle{display:flex}.qrlayout-designer .preview-area{padding:20px}.qrlayout-designer .canvas-wrapper{max-width:100%;overflow:auto}@media (max-width:480px){.qrlayout-designer header h1 span{display:none}.qrlayout-designer .sidebar-toggle{width:36px;height:36px;top:8px}.qrlayout-designer #toggle-left{left:8px}.qrlayout-designer #toggle-right{right:8px}.qrlayout-designer .preview-area{padding:10px}}}.qrlayout-designer .btn:disabled{opacity:.35;cursor:not-allowed;pointer-events:none}.qrlayout-designer .canvas-toolbar{border-bottom:1px solid var(--border-color);background:var(--panel-bg);flex-shrink:0;align-items:center;gap:16px;min-height:34px;padding:5px 16px;font-size:.75rem;display:flex}.qrlayout-designer .snap-grid-label{cursor:pointer;color:var(--text-secondary);-webkit-user-select:none;user-select:none;white-space:nowrap;align-items:center;gap:6px;display:flex}.qrlayout-designer .snap-grid-label input[type=checkbox]{cursor:pointer;width:14px;height:14px;accent-color:var(--primary-color)}.qrlayout-designer .canvas-toolbar-hint{color:var(--text-secondary);opacity:.65;white-space:nowrap;text-overflow:ellipsis;font-size:.6875rem;overflow:hidden}.qrlayout-designer .editor-overlay.show-grid:before{content:"";background-image:radial-gradient(circle,#6366f173 1px,#0000 1px);background-size:var(--grid-dot-spacing,10px) var(--grid-dot-spacing,10px);pointer-events:none;z-index:0;position:absolute;inset:0}.qrlayout-designer .align-toolbar{border-bottom:1px solid var(--border-color);margin-bottom:16px;padding-bottom:16px}.qrlayout-designer .align-toolbar-label{color:var(--text-secondary);margin-bottom:8px;font-size:.75rem;font-weight:500;display:block}.qrlayout-designer .align-toolbar-btns{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.qrlayout-designer .align-sep{background:var(--border-color);flex-shrink:0;width:1px;height:20px;margin:0 2px}