.tools-layout{background-color:var(--background-default);min-height:calc(100vh - 64px)}.layout-container{align-items:start;display:grid;gap:var(--space-4);grid-template-columns:300px 1fr 300px;margin:0 auto;max-width:var(--content-width);padding:var(--space-4)}.sidebar-left,.sidebar-right{background-color:var(--background-default);border:1px solid var(--border-default);border-radius:var(--border-radius-medium);box-shadow:var(--shadow-small);overflow:hidden;position:sticky;top:calc(64px + var(--space-4))}.sidebar-content{padding:var(--space-4)}.sidebar-title{border-bottom:1px solid var(--border-default);color:var(--text-primary);font-size:16px;font-weight:600;margin:0 0 var(--space-3) 0;padding-bottom:var(--space-2)}.sidebar-text{color:var(--text-secondary);font-size:14px;line-height:1.5;margin:var(--space-3) 0 0 0}.sidebar-nav .nav-list{list-style:none;margin:0;padding:0}.sidebar-nav .nav-item{margin-bottom:var(--space-1)}.sidebar-nav .nav-item:last-child{margin-bottom:0}.sidebar-nav .nav-link{align-items:center;border-radius:var(--border-radius);color:var(--text-primary);display:flex;font-size:14px;font-weight:500;gap:var(--space-2);justify-content:space-between;padding:var(--space-2) var(--space-3);text-decoration:none;transition:all .2s cubic-bezier(.3,0,.5,1)}.sidebar-nav .nav-link:hover{background-color:var(--background-subtle);color:var(--text-primary);text-decoration:none}.sidebar-nav .nav-link.router-link-active{background-color:var(--accent-subtle);color:var(--accent-fg);font-weight:600}.sidebar-nav .nav-link.is-active{background-color:var(--accent-subtle);color:var(--accent-fg);cursor:default;font-weight:700}.sidebar-nav .nav-link.disabled{pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.sidebar-nav .nav-link .nav-icon{flex:0 0 18px;height:18px;width:18px}.sidebar-nav .nav-link .nav-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:calc(100% - 30px)}.sidebar-section{margin-top:var(--space-4)}.sidebar-section .section-title{color:var(--text-primary);font-size:14px;font-weight:600;margin:0 0 var(--space-2) 0}.feature-list{list-style:none;margin:0;padding:0}.feature-list li{color:var(--text-secondary);font-size:13px;line-height:1.5;margin-bottom:var(--space-1)}.feature-list li:last-child{margin-bottom:0}.main-content{min-height:500px}.content-wrapper{background-color:var(--background-default);border:1px solid var(--border-default);border-radius:var(--border-radius-medium);box-shadow:var(--shadow-small);padding:var(--space-5)}@media (max-width:1024px){.layout-container{gap:var(--space-3);grid-template-columns:200px 1fr 200px}.sidebar-content{padding:var(--space-3)}.content-wrapper{padding:var(--space-4)}}@media (max-width:768px){.layout-container{gap:var(--space-3);grid-template-columns:1fr;padding:50px 15px}.sidebar-left,.sidebar-right{order:2;position:static}.main-content{order:1}.content-wrapper,.sidebar-left,.sidebar-right{border:none!important;border-radius:0!important;box-shadow:none!important}.sidebar-left .nav-list{display:grid;gap:var(--space-2);grid-template-columns:1fr 1fr;overflow-x:auto;padding-bottom:var(--space-1)}.sidebar-left .nav-item{flex-shrink:0;margin-bottom:0}.sidebar-left .nav-link{white-space:nowrap}}@media (max-width:480px){.layout-container{padding:50px 15px}.content-wrapper{padding:0}.sidebar-content{padding:var(--space-2)}}