.shell{position:fixed;inset:0}body.has-model .shell{grid-template:"ribbon ribbon ribbon""tree viewport panel"1fr"status status status"/250px 1fr 320px;display:grid}#shell-ribbon{grid-area:ribbon}#tree{grid-area:tree;min-height:0;overflow-y:auto}#app{grid-area:viewport;min-width:0;min-height:0;position:relative;overflow:hidden}#app>canvas{width:100%!important;height:100%!important;display:block!important}#shell-panel{grid-area:panel;min-height:0}#shell-status{grid-area:status}body:not(.has-model) .shell #app{position:absolute;inset:0}body:not(.has-model) #shell-ribbon,body:not(.has-model) #tree,body:not(.has-model) #shell-panel,body:not(.has-model) #shell-status,body:not(.has-model) #info,body:not(.has-model) #viewcube,body:not(.has-model) #coord-triad{display:none}.shell.tree-collapsed{grid-template-columns:0 1fr 320px}.shell.panel-collapsed{grid-template-columns:250px 1fr 0}.shell.tree-collapsed #tree,.shell.panel-collapsed #shell-panel{border:0;padding:0;overflow:hidden}#shell-ribbon{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#14161ceb;border-bottom:1px solid #ffffff14;align-items:center;gap:14px;min-height:44px;padding:6px 12px;display:flex;overflow-x:auto}.shell-ribbon-group{border-right:1px solid #ffffff14;align-items:center;gap:6px;padding:0 10px;display:flex}.shell-ribbon-group:last-child{border-right:0}.shell-ribbon-group-label{color:#7dd3fc;text-transform:uppercase;letter-spacing:.04em;margin-right:4px;font-size:11px;font-weight:700}#shell-panel{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#9aa3b2;background:#14161cd9;border-left:1px solid #ffffff0f;padding:10px;font-size:12px;overflow-y:auto}#shell-panel:empty:before{content:"Kütüphane (Faz 5)";color:#6b7280;font-style:italic}#shell-status{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#9aa3b2;background:#14161ceb;border-top:1px solid #ffffff14;align-items:center;gap:16px;min-height:22px;padding:3px 12px;font-size:11px;display:flex}#shell-status .shell-status-unit{color:#7dd3fc;font-weight:600}#shell-status .shell-status-selection{color:#e6e8ee}