/* Keep the established backtest shell, typography, colors and responsive chart. */
.strategy-backtest-page .backtest-conditions > .backtest-inline-note { grid-column: 1 / -1; margin: 0; }
.strategy-backtest-page .strategy-choice { margin: 24px 0; padding-top: 20px; border-top: 1px solid var(--modern-border); }
.strategy-backtest-page .strategy-choice strong { font-size: 18px; }
.strategy-backtest-page .strategy-choice p { margin-top: 8px; }
.strategy-backtest-page .strategy-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.strategy-backtest-page .strategy-conclusion { padding: 18px 20px; margin: 0 0 24px; background: var(--modern-soft); border-radius: 8px; line-height: 1.7; }
.strategy-backtest-page .strategy-guide p { color: var(--modern-muted); font-size: 15px; line-height: 1.8; }
.strategy-backtest-page summary { min-height: 44px; padding: 12px 0; cursor: pointer; font-size: 15px; font-weight: 600; }
.strategy-backtest-page .strategy-schedule-scroll { overflow-x: auto; }
.strategy-backtest-page .strategy-schedule table { width: 100%; margin-top: 8px; font-size: 13px; border-collapse: collapse; }
.strategy-backtest-page .strategy-schedule th, .strategy-backtest-page .strategy-schedule td { padding: 12px 8px; border-bottom: 1px solid var(--modern-border); text-align: left; white-space: nowrap; }
.strategy-backtest-page .strategy-schedule td:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.strategy-backtest-page #strategy-conditions, .strategy-backtest-page #strategy-comparison { scroll-margin-top: 24px; }

/* Give the period, budget and monthly plan equal space. */
.strategy-backtest-page .backtest-conditions { gap: 24px 32px; }
.strategy-backtest-page .backtest-conditions > .backtest-section:nth-of-type(2) { grid-column: 1 / -1; grid-row: auto; }
.strategy-backtest-page .backtest-conditions > .backtest-section:nth-of-type(3),
.strategy-backtest-page .backtest-conditions > .backtest-section:nth-of-type(4) { grid-column: auto; grid-row: auto; }
.strategy-backtest-page .backtest-submit { width: 100%; }
@media (min-width: 1050px) {
  .strategy-backtest-page .backtest-conditions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .strategy-backtest-page .backtest-conditions > .backtest-section:nth-of-type(2) { grid-column: auto; }
  .strategy-backtest-page .backtest-date-grid { grid-template-columns: 1fr; gap: 0; }
}
.strategy-backtest-page .strategy-plan-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.strategy-backtest-page .strategy-guide { margin-top: 24px; }
.strategy-backtest-page .strategy-assumptions { margin-top: 0; }
.strategy-backtest-page .strategy-holdings { margin-top: 24px; }
@media (max-width: 700px) {
  .strategy-backtest-page .strategy-metrics, .strategy-backtest-page .strategy-plan-pair { grid-template-columns: 1fr; }
  .strategy-backtest-page .strategy-plan-pair { gap: 0; }
}

.strategy-backtest-page [data-custom-purchase-day][hidden] { display: none; }