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var(--accent-glow)}.nav-items{display:flex;flex-direction:column;gap:8px;flex:1}.nav-item{width:44px;height:44px;border-radius:var(--radius-md);display:grid;place-items:center;color:var(--text-secondary);font-size:18px;cursor:pointer;transition:var(--transition-base);position:relative;background:transparent;border:none}.nav-item:hover{background:#ffffff0a;color:var(--text-primary)}.nav-item.active{color:var(--accent-hover);background:var(--accent-dim)}.nav-item.active:before{content:"";position:absolute;left:-10px;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--accent)}.nav-bottom{display:flex;flex-direction:column;gap:8px;align-items:center}.nav-user{width:36px;height:36px;border-radius:50%;background:var(--bg-elevated);display:grid;place-items:center;color:var(--text-primary);font-weight:600;font-size:14px;cursor:pointer;transition:var(--transition-base);border:2px solid 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12px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-pill);font-size:12px;font-weight:500;white-space:nowrap;flex-shrink:0}.app-banner-close{width:24px;height:24px;border-radius:50%;background:transparent;border:none;color:var(--text-muted);font-size:14px;display:grid;place-items:center;cursor:pointer}.user-menu{padding:8px;min-width:200px}.user-menu-header{padding:8px 12px 12px;border-bottom:1px solid var(--border-default);margin-bottom:8px}.user-menu-name{font-weight:600;font-size:14px;color:var(--text-primary)}.user-menu-email{font-size:12px;color:var(--text-muted);margin-top:2px}.user-menu-item{padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;display:flex;align-items:center;gap:10px;color:var(--text-primary);transition:var(--transition-fast);background:transparent;border:none;width:100%;text-align:left}.user-menu-item:hover{background:#ffffff0a}.user-menu-item.danger{color:var(--danger)}@media(max-width:1023px)and (min-width:768px){.main-shell{grid-template-columns:64px 1fr}.main-shell:not(.show-stage) .main-stage{display:none}.main-shell.show-stage .sidebar-list{display:none}.main-shell.show-stage .main-stage{grid-column:2}.main-shell.show-stage .stage-mobile-header{display:flex}}@media(max-width:767px){.main-shell{grid-template-columns:1fr;grid-template-rows:auto 1fr auto}.nav-rail{display:none}.app-banner.visible{display:flex;grid-row:1}.sidebar-list,.main-stage{grid-row:2;grid-column:1;border-right:none}.main-shell:not(.show-stage) .main-stage{display:none}.main-shell.show-stage .sidebar-list{display:none}.main-shell.show-stage .stage-mobile-header{display:flex}.tab-bar{display:block;position:relative;grid-row:3}.main-shell.in-call .tab-bar,.main-shell.in-conference .tab-bar{display:none}.sidebar-header{padding:14px 16px 8px}.sidebar-title{font-size:18px}}.conf-new-btn{width:100%;display:flex;align-items:center;gap:8px;padding:10px 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