.qrlayout-designer{--primary-color: #6366f1;--primary-hover: #4f46e5;--bg-color: #f1f5f9;--panel-bg: #ffffff;--panel-bg-alt: #f8fafc;--text-primary: #0f172a;--text-secondary: #64748b;--border-color: #e2e8f0;--input-bg: #ffffff;--danger-color: #ef4444;--success-color: #10b981;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);display:flex;flex-direction:column;overflow:hidden;width:100%;height:100%;box-sizing:border-box}.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:transparent}.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{height:64px;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;padding:0 24px;justify-content:space-between;box-shadow:var(--shadow-sm);z-index:10;flex-shrink:0}.qrlayout-designer h1{font-size:1.25rem;font-weight:700;margin:0;display:flex;align-items:center;gap:12px}.qrlayout-designer .logo-icon{width:32px;height:32px;background:linear-gradient(135deg,var(--primary-color),var(--primary-hover));border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff}.qrlayout-designer .main-container{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.qrlayout-designer .list-view{padding:32px;flex-direction:column;max-width:1200px;margin:0 auto;width:100%}.qrlayout-designer .view-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.qrlayout-designer .table-container{background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md)}.qrlayout-designer table{width:100%;border-collapse:collapse;text-align:left}.qrlayout-designer th{background-color:var(--panel-bg-alt);padding:12px 24px;font-size:.75rem;text-transform:uppercase;font-weight:600;color:var(--text-secondary);border-bottom:1px solid var(--border-color)}.qrlayout-designer td{padding:16px 24px;font-size:.875rem;border-bottom:1px solid var(--border-color)}.qrlayout-designer tr:last-child td{border-bottom:none}.qrlayout-designer tr:hover td{background-color:var(--panel-bg-alt)}.qrlayout-designer .edit-view{display:flex;height:100%}.qrlayout-designer .sidebar{width:320px;background-color:var(--panel-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;overflow-y:auto}.qrlayout-designer .sidebar-right{width:320px;background-color:var(--panel-bg);border-left:1px solid var(--border-color);display:flex;flex-direction:column;overflow-y:auto}.qrlayout-designer .sidebar-section{padding:16px;border-bottom:1px solid var(--border-color)}.qrlayout-designer .sidebar-section:last-child{border-bottom:none}.qrlayout-designer .sidebar-title{font-size:.75rem;text-transform:uppercase;color:var(--text-secondary);font-weight:700;letter-spacing:.05em;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}.qrlayout-designer .preview-area{flex:1;background-color:var(--bg-color);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;padding:40px;background-image:radial-gradient(var(--border-color) 1px,transparent 1px);background-size:24px 24px;overflow:auto}.qrlayout-designer .canvas-wrapper{background:#fff;box-shadow:var(--shadow-lg);position:relative}.qrlayout-designer .form-group{margin-bottom:16px}.qrlayout-designer .form-group label{display:block;font-size:.75rem;color:var(--text-secondary);margin-bottom:6px;font-weight:500}.qrlayout-designer .form-row{display:flex;gap:12px}.qrlayout-designer input,.qrlayout-designer select,.qrlayout-designer textarea{width:100%;background-color:var(--input-bg);border:1px solid var(--border-color);color:var(--text-primary);padding:8px 12px;border-radius:6px;font-size:.875rem;transition:all .2s}.qrlayout-designer input:focus,.qrlayout-designer select:focus,.qrlayout-designer textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #6366f133}.qrlayout-designer .color-picker-wrapper{display:flex;align-items:center;gap:8px}.qrlayout-designer .color-preview{width:24px;height:24px;border-radius:4px;border:1px solid var(--border-color)}.qrlayout-designer .btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:6px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s;border:1px solid transparent;gap:8px;height:36px}.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{background-color:transparent;border-color:var(--border-color);color:var(--text-primary)}.qrlayout-designer .btn-outline:hover{background-color:#80808014}.qrlayout-designer .btn-danger{background-color:#ef44441a;color:var(--danger-color)}.qrlayout-designer .btn-danger:hover{background-color:#ef444433}.qrlayout-designer .btn-icon{width:32px;padding:0;height:32px}.qrlayout-designer .btn-block{width:100%}.qrlayout-designer .btn-sm{padding:4px 8px;font-size:.75rem;height:28px}.qrlayout-designer .element-list{display:flex;flex-direction:column;gap:4px}.qrlayout-designer .element-item{padding:8px 12px;border-radius:6px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:all .2s}.qrlayout-designer .element-item:hover{background-color:var(--panel-bg-alt)}.qrlayout-designer .element-item.active{background-color:#6366f11a;color:var(--primary-color)}.qrlayout-designer .element-info{display:flex;flex-direction:column}.qrlayout-designer .element-name{font-size:.8125rem;font-weight:600}.qrlayout-designer .element-sub{font-size:.6875rem;color:var(--text-secondary)}.qrlayout-designer .sample-data-list{display:flex;flex-direction:column;gap:12px}.qrlayout-designer .sample-data-list .form-group label{display:flex;justify-content:space-between;align-items:center}.qrlayout-designer .sample-data-list label code{font-family:monospace;font-size:.625rem;opacity:.7;background:var(--panel-bg-alt);padding:2px 4px;border-radius:4px;border:1px solid var(--border-color)}.qrlayout-designer .modal-overlay{position:fixed;inset:0;background:#0f172a80;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:all .3s ease}.qrlayout-designer .modal-overlay.show{opacity:1;pointer-events:auto}.qrlayout-designer .modal-content{background:var(--panel-bg);width:90%;max-width:600px;border-radius:16px;box-shadow:var(--shadow-lg);transform:translateY(20px);transition:all .3s ease;overflow:hidden;border:1px solid var(--border-color)}.qrlayout-designer .modal-overlay.show .modal-content{transform:translateY(0)}.qrlayout-designer .modal-header{padding:20px 24px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.qrlayout-designer .modal-header h3{margin:0;font-size:1.25rem;font-weight:700}.qrlayout-designer .btn-close{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:4px;line-height:1}.qrlayout-designer .modal-body{padding:24px;max-height:60vh;overflow-y:auto}.qrlayout-designer .modal-footer{padding:16px 24px;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;background:var(--panel-bg-alt)}.qrlayout-designer .sample-data-grid-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.qrlayout-designer .toggle-group{display:flex;border:1px solid var(--border-color);border-radius:6px;overflow:hidden;width:fit-content}.qrlayout-designer .toggle-btn{padding:6px 10px;background:var(--panel-bg);border:none;cursor:pointer;color:var(--text-secondary);border-right:1px solid var(--border-color);display:flex;align-items:center;justify-content:center}.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{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.qrlayout-designer .field-pill{font-size:.625rem;padding:2px 6px;border-radius:4px;background:var(--panel-bg-alt);border:1px solid var(--border-color);cursor:pointer;color:var(--text-secondary)}.qrlayout-designer .field-pill:hover{border-color:var(--primary-color);color:var(--primary-color)}.qrlayout-designer .editor-item{position:absolute;border:1px dashed rgba(99,102,241,.35);box-sizing:border-box;cursor:move}.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{position:absolute;width:8px;height:8px;background:#fff;border:2px solid var(--primary-color);border-radius:50%;bottom:-5px;right:-5px;cursor:nwse-resize;z-index:10}.qrlayout-designer .toolbar{position:absolute;top:24px;right:24px;display:flex;gap:12px;z-index:20}.qrlayout-designer .sidebar-toggle{display:none;background:var(--panel-bg);border:1px solid var(--border-color);color:var(--text-primary);width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;cursor:pointer;position:absolute;top:12px;z-index:100;box-shadow:var(--shadow-md);transition:all .3s cubic-bezier(.4,0,.2,1)}.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{padding:16px;height:auto;flex-direction:column;gap:12px;align-items:flex-start}.qrlayout-designer header h1{font-size:1.125rem}.qrlayout-designer .logo-icon{width:28px;height:28px;font-size:.75rem}.qrlayout-designer header .btn{padding:6px 10px;font-size:.75rem;height:32px}.qrlayout-designer .sidebar,.qrlayout-designer .sidebar-right{position:fixed;top:64px;bottom:0;z-index:50;width:100%;max-width:320px;box-shadow:var(--shadow-lg);transition:transform .3s cubic-bezier(.4,0,.2,1)}.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{display:flex;align-items:center;gap:16px;padding:5px 16px;border-bottom:1px solid var(--border-color);background:var(--panel-bg);font-size:.75rem;min-height:34px;flex-shrink:0}.qrlayout-designer .snap-grid-label{display:flex;align-items:center;gap:6px;cursor:pointer;color:var(--text-secondary);-webkit-user-select:none;user-select:none;white-space:nowrap}.qrlayout-designer .snap-grid-label input[type=checkbox]{width:14px;height:14px;cursor:pointer;accent-color:var(--primary-color)}.qrlayout-designer .canvas-toolbar-hint{font-size:.6875rem;color:var(--text-secondary);opacity:.65;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qrlayout-designer .editor-overlay.show-grid:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(99,102,241,.45) 1px,transparent 1px);background-size:var(--grid-dot-spacing, 10px) var(--grid-dot-spacing, 10px);pointer-events:none;z-index:0}.qrlayout-designer .align-toolbar{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.qrlayout-designer .align-toolbar-label{display:block;font-size:.75rem;color:var(--text-secondary);margin-bottom:8px;font-weight:500}.qrlayout-designer .align-toolbar-btns{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.qrlayout-designer .align-sep{width:1px;height:20px;background:var(--border-color);margin:0 2px;flex-shrink:0}