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var(--szb-border);background:var(--szb-bg-elevated)}.szb-activity-detail-facts{flex:1 1 auto;min-width:0;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;font-size:.75rem;color:var(--szb-text-muted)}.szb-activity-detail-facts strong{font-size:.8125rem;color:var(--szb-navy)}.szb-activity-back{flex-shrink:0;padding:4px 8px;border:0;border-radius:var(--szb-radius);background:transparent;font:inherit;font-size:.75rem;font-weight:600;color:var(--szb-text-secondary);cursor:pointer}.szb-activity-back:hover{background:var(--szb-bg-muted);color:var(--szb-navy)}.szb-activity-back:focus-visible{outline:2px solid var(--szb-accent);outline-offset:1px}.szb-activity-turn{padding:12px var(--szb-pad) 4px;border-bottom:1px solid var(--szb-border)}.szb-activity-turn-head{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:.6875rem;color:var(--szb-text-muted)}.szb-activity-turn-n{font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--szb-text-secondary)}.szb-activity-turn-hidden{font-style:italic}.szb-activity-msg{display:flex;gap:10px;margin-bottom:10px}.szb-activity-msg-who{flex-shrink:0;width:46px;padding-top:1px;font-size:.625rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--szb-text-muted)}.szb-activity-msg[data-role=user] .szb-activity-msg-who{color:var(--szb-navy)}.szb-activity-msg-text{flex:1 1 auto;min-width:0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:.8125rem;line-height:1.55;color:var(--szb-text)}.szb-activity-msg[data-role=user] .szb-activity-msg-text{padding:7px 10px;border-radius:var(--szb-radius-lg);background:var(--szb-bg-muted)}.szb-activity-tool{margin:0 0 6px 56px;border:1px solid var(--szb-border);border-radius:var(--szb-radius);background:var(--szb-bg);font-size:.75rem}.szb-activity-tool>summary{display:flex;align-items:center;gap:7px;padding:5px 9px;cursor:pointer;color:var(--szb-text-secondary)}.szb-activity-tool>summary:focus-visible{outline:2px solid var(--szb-accent);outline-offset:-2px}.szb-activity-tool-arrow{font-weight:700;color:var(--szb-text-muted)}.szb-activity-tool[data-kind=tool_call] .szb-activity-tool-arrow{color:var(--szb-navy)}.szb-activity-tool-name{font-family:var(--szb-mono);font-weight:600;color:var(--szb-navy)}.szb-activity-tool-kind{color:var(--szb-text-muted)}.szb-activity-json{margin:0;padding:8px 9px;border-top:1px solid var(--szb-border);overflow-x:auto;max-height:320px;overflow-y:auto;font-family:var(--szb-mono);font-size:.6875rem;line-height:1.5;color:var(--szb-text-secondary);white-space:pre}.szb-activity-rules{list-style:none;margin:0;padding:0}.szb-activity-rule{padding:11px var(--szb-pad);border-bottom:1px solid var(--szb-border)}.szb-activity-rule[data-withdrawn=true]{background:var(--szb-bg)}.szb-activity-rule[data-withdrawn=true] .szb-activity-rule-label{text-decoration:line-through;color:var(--szb-text-muted)}.szb-activity-rule-top{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px;margin-bottom:5px}.szb-activity-rule-label{font-size:.8125rem;font-weight:600;color:var(--szb-navy)}.szb-activity-chip{padding:1px 6px;border-radius:9px;background:var(--szb-bg-muted);font-size:.625rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--szb-text-secondary)}.szb-activity-chip-off{background:var(--szb-warn-bg);color:var(--szb-warn)}.szb-activity-rule-when{margin-left:auto;font-size:.6875rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--szb-text-muted)}.szb-activity-rule-def{display:block;padding:6px 8px;border:1px solid var(--szb-border);border-radius:var(--szb-radius);background:var(--szb-bg);overflow-x:auto;font-family:var(--szb-mono);font-size:.75rem;color:var(--szb-text);white-space:pre}.szb-activity-rule-meta{display:flex;align-items:center;gap:10px;margin-top:5px;font-size:.6875rem;color:var(--szb-text-muted)}.szb-activity-link{padding:0;border:0;background:transparent;font:inherit;font-size:.6875rem;font-weight:600;color:var(--szb-navy);text-decoration:underline;cursor:pointer}.szb-activity-link:focus-visible{outline:2px solid var(--szb-accent);outline-offset:2px}.szb-activity-empty{margin:0;padding:28px var(--szb-pad);text-align:center;font-size:.8125rem;line-height:1.5;color:var(--szb-text-muted)}@media (max-width:900px){.szb-activity-body{grid-template-columns:minmax(0,1fr)}.szb-activity-panel[data-detail=false] .szb-activity-detail,.szb-activity-panel[data-detail=true] .szb-activity-rail{display:none}.szb-activity-rail{border-right:0}.szb-activity-tool{margin-left:0}}.szb-activity-capped{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:9px var(--szb-pad);border-bottom:1px solid var(--szb-border);background:var(--szb-bg-muted);font-size:.75rem;line-height:1.45;color:var(--szb-text-secondary)}.szb-activity-capped>span{flex:1 1 260px;min-width:0}