.cs-ultra-head{ font-size:14px; margin-bottom:6px; }
.cs-ultra-list{ display:flex; flex-direction:column; gap:8px; max-height:320px; overflow:auto; border:1px solid #e5e7eb; border-radius:12px; background:#fff; padding:10px; }
.cs-ultra-item{ display:flex; flex-direction:column; max-width:80%; }
.cs-ultra-item.me{ align-self:flex-end; }
.cs-ultra-item.peer{ align-self:flex-start; }
.cs-ultra-item .bubble{ padding:8px 10px; border-radius:12px; background:#f3f4f6; }
.cs-ultra-item.me .bubble{ background:#111827; color:#fff; }
.cs-ultra-item .meta{ font-size:11px; color:#6b7280; margin-top:4px; }
.cs-ultra-empty{ font-size:14px; color:#6b7280; padding:8px 0; }
.cs-ultra-error{ color:#b91c1c; padding:8px 0; }
.cs-ultra-compose{ margin-top:10px; display:flex; gap:8px; }
.cs-ultra-compose textarea{ flex:1; padding:8px 10px; border:1px solid #e5e7eb; border-radius:10px; font-size:14px; }
.cs-ultra-compose button{ padding:8px 12px; border:1px solid #e5e7eb; border-radius:10px; background:#111827; color:#fff; font-weight:600; cursor:pointer; }