/* Keep month history in one small selector inside the existing chalkboard. */
.impact-heading{min-width:0}
.impact-period-control{display:flex;align-items:center;gap:6px;margin-top:8px;color:#dce8ce;font-size:10px;line-height:1.3}
.impact-period-control>span{flex:0 0 auto}
.impact-period-control select{font:700 11px/1.3 var(--sans);color:#fff2b9;background:#233d31;border:1px solid #b6c79b80;border-radius:6px;min-height:28px;max-width:156px;min-width:100px;padding:4px 6px;cursor:pointer;color-scheme:dark}
.impact-period-control select:focus-visible{outline:3px solid #ffde83;outline-offset:3px}
.impact-period-control select:disabled{opacity:.65;cursor:default}
.impact-stat:nth-child(4)>strong{font-size:clamp(24px,2.8vw,38px);white-space:normal;overflow-wrap:anywhere}
@media(max-width:900px){.impact-heading{display:flex;align-items:center;gap:16px}.impact-period-control{margin-top:0}.impact-stat:nth-child(4)>strong{font-size:30px}}
@media(max-width:680px){.impact-heading{flex-direction:column;gap:8px}.impact-period-control{justify-content:center}.impact-period-control select{min-height:30px;max-width:166px;font-size:12px}.impact-stat:nth-child(4)>strong{font-size:clamp(15px,4.8vw,28px)}}