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rgba(16,112,171,.2);border-radius:var(--radius-xs);background:#fffffff2;box-shadow:var(--shadow-sm);padding:7px 10px}.desktop-build-badge.channel-lan{border-color:#8f6a1f59;background:#fffbf2f5}.desktop-build-badge.channel-beta{border-color:#30bbc059}.desktop-build-badge.channel-local{border-color:#4c74844d}.desktop-build-badge strong{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-secondary)}.desktop-build-badge span{font-size:var(--text-xs);color:var(--color-text-primary);word-break:break-all}@keyframes rise-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:980px){.messenger-layout{grid-template-columns:1fr}.sidebar{height:100%;min-height:0;border-right:none;border-bottom:none}.chat-panel{height:100%;min-height:0}.chat-header{padding:calc(var(--space-3) + env(safe-area-inset-top)) var(--space-3) var(--space-3)}.connection-pill{display:none}.chat-scroll{padding:var(--space-3) var(--space-3) 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