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var(--border-light);width:30px;height:30px;color:var(--text-secondary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.participant-info{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.participant-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:500;overflow:hidden}.participant-role{color:var(--text-muted);font-size:10px}.participant-online{background:var(--online);border-radius:50%;flex-shrink:0;width:7px;height:7px;box-shadow:0 0 6px #22c55e66}.chat-panel{flex-direction:column;height:100%;display:flex;overflow:hidden}.chat-messages{flex-direction:column;flex:1;gap:10px;padding:12px;display:flex;overflow-y:auto}.chat-loading,.chat-empty{color:var(--text-muted);text-align:center;padding:20px 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