:root{--bg-app:#0b141a;--bg-sidebar:#111b21;--bg-header:#202c33;--bg-item-hover:#182229;--bg-item-active:#2a3942;--bg-chat:#0b141a;--bg-input:#2a3942;--bg-system:#182229;--bg-info:#111b21;--bg-bubble-me:#005c4b;--bg-bubble-them:#202c33;--text-primary:#e9edef;--text-secondary:#8696a0;--text-tertiary:#566d76;--text-online:#00a884;--accent:#00a884;--accent-dim:#00a8841f;--border:#2a3942;--border-light:#ffffff0a;--sidebar-w:360px;--info-w:340px;--header-h:60px;--radius-sm:6px;--radius-md:10px;--radius-bubble:8px;--t-fast:.15s ease;--t-med:.25s cubic-bezier(.4,0,.2,1);--t-slow:.35s cubic-bezier(.4,0,.2,1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg-app);height:100dvh;color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Segoe UI,system-ui,-apple-system,Helvetica 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0;align-items:center;gap:12px;padding:10px 14px;display:flex;position:relative}.conv-item:hover{background:var(--bg-item-hover)}.conv-item--active{background:var(--bg-item-active)}.conv-item__body{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.conv-item__top{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.conv-item__name{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:.93rem;font-weight:500;overflow:hidden}.conv-item__time{color:var(--text-secondary);white-space:nowrap;flex-shrink:0;align-items:center;gap:3px;font-size:.67rem;display:flex}.conv-muted{color:var(--text-tertiary)}.conv-date-range{color:var(--text-secondary);letter-spacing:-.01em;align-items:center;gap:1px;font-size:.67rem;display:inline-flex}.conv-date-arrow{color:var(--text-tertiary);margin:0 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