*,:after,:before{box-sizing:border-box}body,html{background-color:#f0f2f5;height:100%;margin:0;padding:0}body{display:flex;flex-direction:column}.app-header{align-items:center;background-color:#141d2a;box-shadow:0 1px 4px rgba(0,0,0,.3);display:flex;flex-shrink:0;height:64px;padding:0 1.5rem;position:sticky;top:0;z-index:100}.app-logo{font-size:1.35rem;font-weight:700;letter-spacing:-.5px;text-decoration:none}.app-logo,.app-logo:hover{color:#fff}.app-body{display:flex;flex:1;height:calc(100vh - 64px);min-height:0}.app-sidebar{background-color:#fff;border-right:1px solid #e0e3e8;flex-shrink:0;overflow-y:auto;padding:.75rem 0;width:220px}.app-sidebar ul{list-style:none;margin:0;padding:0}.app-sidebar a{border-left:3px solid transparent;color:#4a5568;display:block;font-size:.875rem;padding:.6rem 1.25rem;text-decoration:none;transition:color .15s,background-color .15s,border-color .15s}.app-sidebar a:hover{background-color:#f0f2f5;color:#1a2740}.app-sidebar a.active{background-color:#eef2fc;border-left-color:#4e8ef7;color:#1a2740}.app-main{min-width:0;overflow:hidden}.app-main,.supplier-grid-wrapper{display:flex;flex:1;flex-direction:column}.supplier-grid-wrapper{min-height:0;padding:20px}#supplier-app{flex:1;min-height:0}.dg-actions{display:flex;gap:6px;justify-content:flex-end}.dg-search{width:235px}