:root{--bg-color:#f4f6f8;--sidebar-bg:#6d8196;--panel-bg:#fff;--text-primary:#0f172a;--text-secondary:#475569;--accent-blue:#040273;--accent-blue-hover:#060399;--accent-light:#e0e6ed;--border-color:#cbd5e1;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -4px #0000000d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}ul{list-style:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);z-index:10;width:280px;box-shadow:var(--shadow-sm);flex-direction:column;flex-shrink:0;transition:width .3s;display:flex;position:relative}.sidebar.resizing{transition:none}.sidebar.collapsed{width:72px!important}.sidebar.collapsed .brand-name,.sidebar.collapsed .nav-item span,.sidebar.collapsed svg:last-child,.sidebar.collapsed input{display:none}.sidebar.collapsed .brand-header{justify-content:center;padding:1.5rem 0}.sidebar.collapsed .nav-item{justify-content:center;padding:.75rem 0}.sidebar.collapsed .nav-item-left{justify-content:center}.sidebar-resizer{cursor:col-resize;z-index:100;width:6px;height:100%;transition:background-color .2s;position:absolute;top:0;right:-3px}.sidebar-resizer:hover,.sidebar-resizer.active{background-color:var(--accent-blue);opacity:.5}.brand-header{border-bottom:1px solid var(--border-color);align-items:center;gap:.75rem;padding:1.5rem;display:flex}.brand-logo{color:#fff}.brand-name{letter-spacing:-.025em;color:#fff;font-size:1.25rem;font-weight:700}.sidebar-nav{flex:1;padding:1rem 0;overflow-y:auto}.nav-item{color:#f1f5f9;cursor:pointer;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;font-weight:500;transition:all .2s;display:flex}.nav-item:hover,.nav-item.active{background-color:var(--accent-blue);color:#fff}.nav-item input::placeholder{color:#cbd5e1}.nav-item input{color:#fff!important}.nav-item-left{align-items:center;gap:.75rem;display:flex}.main-content{background-image:linear-gradient(90deg,#f1f5f9 1px,#0000 1px),linear-gradient(#f1f5f9 1px,#0000 1px);background-size:40px 40px;flex-direction:column;flex:1;display:flex;overflow-y:auto}.topbar{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-color);z-index:20;background-color:#fffc;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0}.ai-search-container{flex:1;max-width:600px;position:relative}.ai-search-input{border:2px solid var(--accent-blue);width:100%;color:var(--text-primary);background-color:#fff;border-radius:8px;outline:none;padding:.875rem 1rem .875rem 3rem;font-size:1rem;transition:all .2s;box-shadow:0 0 0 4px #0056d21a}.ai-search-input::placeholder{color:var(--text-secondary)}.search-icon{color:var(--accent-blue);position:absolute;top:50%;left:1rem;transform:translateY(-50%)}.search-button{background-color:var(--accent-blue);color:#fff;border-radius:6px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-weight:600;display:flex;position:absolute;top:50%;right:.5rem;transform:translateY(-50%)}.search-button:hover{background-color:var(--accent-blue-hover)}.topbar-actions{color:var(--text-secondary);align-items:center;gap:1.5rem;display:flex}.action-icon{cursor:pointer;transition:color .2s}.action-icon:hover{color:var(--accent-blue)}.dashboard{width:100%;max-width:1200px;margin:0 auto;padding:2rem}.viewer-3d-container{border:1px solid var(--border-color);height:400px;box-shadow:var(--shadow-md);background-color:#fff;border-radius:12px;flex-direction:column;margin-bottom:2rem;display:flex;overflow:hidden}.viewer-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.viewer-title{color:var(--text-primary);align-items:center;gap:.5rem;font-weight:600;display:flex}.viewer-canvas{color:var(--text-secondary);background-color:#f8fafc;flex:1;justify-content:center;align-items:center;font-size:1.125rem;display:flex}.category-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;display:grid}.category-card{border:1px solid var(--border-color);text-align:center;cursor:pointer;box-shadow:var(--shadow-sm);background-color:#fff;border-radius:12px;flex-direction:column;align-items:center;padding:1.5rem;transition:all .2s;display:flex}.category-card:hover{box-shadow:var(--shadow-lg);border-color:var(--accent-blue);transform:translateY(-4px)}.category-icon-wrapper{background-color:var(--accent-light);width:64px;height:64px;color:var(--accent-blue);border-radius:16px;justify-content:center;align-items:center;margin-bottom:1rem;display:flex}.category-title{margin-bottom:.5rem;font-size:1.125rem;font-weight:600}.view-products{color:var(--accent-blue);align-items:center;gap:.25rem;margin-top:auto;font-size:.875rem;font-weight:600;display:flex}