.chat-session-activity{width:100%;min-width:0}.chat-session-activity__summary{width:100%;font-size:calc(var(--control-ui-text-sm) + 1px);list-style:none}.chat-session-activity__summary::-webkit-details-marker{display:none}.chat-session-activity__summary .chat-reply-attribution{min-width:0;font:inherit;overflow-wrap:anywhere;margin-bottom:0}.chat-session-activity__summary [data-session-title-only]{min-width:0;max-width:100%}.chat-session-activity__summary .session-label{text-overflow:ellipsis;white-space:nowrap;max-width:100%;display:block;overflow:hidden}.chat-session-activity__chevron{color:var(--muted);flex:0 0 14px;display:inline-flex}.chat-session-activity__chevron svg{width:14px;height:14px}.chat-session-activity[open] .chat-session-activity__chevron{transform:rotate(90deg)}.chat-session-activity__body{margin:var(--space-2) 0 var(--space-2) 10px;border-inline-start:1px solid var(--border);padding-inline-start:var(--space-3)}.chat-session-activity__message+.chat-session-activity__message{margin-top:var(--space-3)}.chat-session-activity__meta{align-items:center;gap:var(--space-2);margin-top:var(--space-1);color:var(--muted);font-size:var(--control-ui-text-xs);display:flex}