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hr{border:none;border-top:1px solid var(--border);margin:12px 0}.tool-calls{margin:8px 0;display:flex;flex-direction:column;gap:6px}.tool-call{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.tool-call-header{width:100%;display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg);border:none;color:var(--text);font-size:12px;cursor:pointer;text-align:left}.tool-call-header:hover{background:var(--bg-hover)}.tool-name{font-weight:600;color:var(--accent)}.tool-args{color:var(--text-dim);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tool-toggle{margin-left:auto}.tool-call-body{padding:12px;background:var(--bg);border-top:1px solid var(--border);font-size:12px}.tool-section{margin-bottom:8px}.tool-section pre{margin-top:4px;padding:8px;background:var(--bg-surface);border-radius:var(--radius-sm);overflow-x:auto;max-height:300px;overflow-y:auto;font-size:11px;line-height:1.4}.typing-indicator{display:flex;gap:4px;padding:4px 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