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var(--border);background:var(--bg-surface);position:sticky;bottom:0;z-index:1}.kb-threshold-modal{max-width:560px}.intent-rule-modal{max-width:1120px}.field-label-with-help{position:relative;display:inline-flex;align-items:center;gap:6px;width:fit-content}.field-help{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;background:var(--accent-light);color:var(--accent);font-size:11px;font-weight:700;cursor:help}.field-help-bubble{position:absolute;left:0;bottom:calc(100% + 8px);z-index:8;display:none;width:max-content;max-width:320px;padding:9px 11px;border-radius:8px;background:#0f172af0;color:#fff;font-size:12px;font-weight:400;line-height:1.6;box-shadow:var(--shadow-md)}.field-label-with-help:hover .field-help-bubble,.field-help:focus+.field-help-bubble{display:block}.mapping-note{align-self:end;min-height:40px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-surface-2);color:var(--text-secondary);font-size:13px}.mapping-unit-type-panel{margin-top:6px;margin-bottom:10px}.multi-select-dropdown{position:relative;margin-top:5px}.multi-select-dropdown summary{min-height:40px;padding:9px 34px 9px 12px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-surface);color:var(--text-primary);font-size:13.5px;line-height:1.5;cursor:pointer;list-style:none}.multi-select-dropdown summary::-webkit-details-marker{display:none}.multi-select-dropdown summary:after{content:"⌄";position:absolute;right:12px;top:9px;color:var(--text-muted)}.multi-select-panel{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:20;display:grid;gap:8px;max-height:240px;overflow-y:auto;padding:12px;border:1px solid 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