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var(--border);border-right:0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand-button,.compose-button,.join-button,.account-switcher,.sidebar-footer{display:none}.nav-stack{display:grid;grid-template-columns:repeat(5,1fr);align-items:center;height:68px;margin:0}.nav-item{width:100%;height:68px;border-radius:0}.main-column{border-right:0}.sticky-header{min-height:52px}.composer textarea{font-size:18px}.message-shell{display:block}.thread-list-panel{border-right:0}.conversation-panel{min-height:calc(100vh - 68px)}.message-shell .conversation-panel{border-top:1px solid var(--border)}.profile-banner{height:164px}.avatar-large{width:108px;height:108px;font-size:28px}.profile-avatar-row{min-height:58px;margin-top:-54px}.people-toolbar,.person-row{grid-template-columns:1fr}.person-actions{justify-content:flex-end}}