.a2-item-history {margin-top:32px;padding-top:24px;border-top:1px solid var(--a2-line);}
.a2-history-heading {display:flex;justify-content:space-between;align-items:flex-start;gap:20px;}
.a2-history-heading h2 {margin:0 0 6px;font-size:21px;line-height:1.4;}
.a2-history-heading p {margin:0;color:var(--a2-muted);font-size:14px;max-width:68ch;}
.a2-history-actions,.a2-history-range {display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.a2-history-actions {margin:18px 0 12px;}
.a2-history-range {margin-right:auto;}
.a2-history-range button[aria-pressed="true"] {border-color:var(--a2-accent);color:var(--a2-accent);}
.a2-history-actions .btn-quiet {min-height:44px;white-space:nowrap;padding:8px 12px;font-size:13px;}
.a2-history-status,.a2-history-summary {font-size:14px;color:var(--a2-muted);margin:10px 0;min-height:22px;}
.a2-history-summary:empty {min-height:0;margin:0;}
.a2-history-plot {background:var(--a2-inset);border-radius:8px;}
.a2-history-plot:empty {display:none;}
.a2-history-plot svg {display:block;width:100%;height:auto;max-height:330px;}
.a2-history-grid {stroke:var(--a2-line);stroke-width:1;}
.a2-history-axis {fill:var(--a2-muted);font:13px var(--font-body);font-variant-numeric:tabular-nums;}
.a2-history-dot {fill:var(--a2-accent);}
.a2-history-note {color:var(--a2-subtle);font-size:13px;line-height:1.6;margin:12px 0;max-width:75ch;}
.a2-history-details {margin-top:14px;}
.a2-history-details summary {min-height:44px;display:flex;align-items:center;font-weight:550;color:var(--a2-ink);}
.a2-history-details summary::after {content:'';width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-left:12px;}
.a2-history-details[open] summary::after {transform:rotate(225deg);}
.a2-history-details .a2-table {min-width:480px;}
.a2-history-details time {white-space:nowrap;}
@media(max-width:640px){
  .a2-history-heading {display:block;}
  .a2-history-heading h2 {font-size:20px;}
  .a2-history-range {width:100%;}
  .a2-history-range button {flex:1;}
  .a2-history-actions > button {flex:1;}
  .a2-history-plot svg {min-height:190px;}
  .a2-history-axis {font-size:16px;}
}