.app-header{height:var(--header-height);background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;padding:0 20px;justify-content:space-between;z-index:10}.main-container{flex:1;display:flex;overflow:hidden;position:relative}.sidebar{width:var(--sidebar-width);background:#fff;border-right:1px solid #e5e7eb;display:flex;flex-direction:column;z-index:5}.library-section{padding:15px;overflow-y:auto;border-bottom:1px solid #f3f4f6}.library-title{font-size:.75rem;text-transform:uppercase;color:#6b7280;font-weight:700;margin-bottom:10px;letter-spacing:.5px}.component-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.draggable-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:6px;padding:10px;cursor:grab;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:all .2s}.draggable-item:hover{border-color:var(--accent-color);background:#eff6ff;transform:translateY(-2px);box-shadow:0 2px 4px rgba(0,0,0,.05)}.draggable-item i{font-size:1.5rem;color:#4b5563;margin-bottom:5px}.draggable-item span{font-size:.75rem;color:#4b5563;text-align:center}.canvas-wrapper{flex:1;position:relative;background:var(--bg-canvas);background-image:radial-gradient(#d1d5db 1px,transparent 1px);background-size:20px 20px;overflow:hidden}#wireframeCanvas{display:block}.props-panel{width:var(--props-width);background:#fff;border-left:1px solid #e5e7eb;padding:20px;overflow-y:auto;display:none}.props-panel.active{display:block}.canvas-controls{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);background:#fff;padding:8px 16px;border-radius:50px;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);display:flex;gap:10px;border:1px solid #e5e7eb}#textEditor{position:absolute;border:1px dashed var(--accent-color);background:rgba(255,255,255,.9);outline:0;padding:5px;display:none;z-index:100;font-family:inherit;resize:none;overflow:hidden}.form-label-sm{font-size:.8rem;font-weight:600;color:#374151}