.historical-data-warning {
  grid-column: 1 / -1;
  color: #805300;
  background: #fff3c4;
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 0.85rem;
}

.historical-day-date { display: inline-flex; align-items: center; gap: 4px; }
.historical-day-indicator {
  display: inline-block; position: relative; width: 28px; height: 14px;
  margin-inline-start: 4px; vertical-align: middle;
}
.historical-day-date .historical-day-indicator { margin-inline-start: 0; }
.historical-day-indicator summary {
  display: inline-flex; align-items: center; justify-content: center; gap: 2px;
  position: absolute; top: 50%; transform: translateY(-50%); min-width: 28px; min-height: 28px;
  color: #805300; cursor: pointer; list-style: none; font-size: 12px; font-weight: 600;
}
.historical-day-indicator summary::-webkit-details-marker { display: none; }
.historical-day-indicator summary:focus-visible { outline: 2px solid #805300; border-radius: 4px; }
.historical-day-indicator svg { width: 16px; height: 16px; fill: #ffe08a; stroke: #805300; stroke-width: 1.6; }
.historical-day-tooltip {
  display: none; position: absolute; z-index: 5; inset-inline-start: 0; top: 100%;
  width: max-content; max-width: min(18rem, 42vw); white-space: normal; overflow-wrap: anywhere;
  padding: 8px 10px; border: 1px solid #e3c873; border-radius: 6px;
  background: #fff9e6; color: #624500; font-size: 12px; font-weight: 400;
  box-shadow: 0 2px 8px #0002;
}
.historical-day-indicator[open] .historical-day-tooltip,
.historical-day-indicator summary:hover .historical-day-tooltip,
.historical-day-indicator summary:focus-visible .historical-day-tooltip { display: block; }