/* backtest.css — Strategy-Tester panel (web/backtest.js). Theme tokens only. */
.bt-panel { gap: 10px; }
.bt-tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--border-soft); padding-bottom: 6px; }
.bt-tab { background: transparent; border: 1px solid transparent; color: var(--text-dim); padding: 4px 12px; border-radius: 6px; font-size: 12px; cursor: pointer; }
.bt-tab:hover { background: var(--surface-3, var(--bg-sunken)); }
.bt-tab[aria-selected="true"] { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); font-weight: 600; }
.bt-tab:focus-visible, .bt-sort:focus-visible, .bt-trade-row:focus-visible, .bt-cell-row:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.bt-body { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.bt-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 14px; align-items: start; }
.bt-wide, .bt-adv, .bt-form .bt-actions { grid-column: 1 / -1; }
.bt-field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.bt-field-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-faint); }
.bt-field .modal-input { width: 100%; box-sizing: border-box; }
.bt-checks { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.bt-check { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--text); }
.bt-range, .bt-pair { display: flex; gap: 6px; align-items: center; }
.bt-presets { display: flex; gap: 4px; margin-top: 4px; }
.bt-params { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 8px; }
.bt-adv summary { cursor: pointer; font-size: 12px; color: var(--text-dim); }
.bt-actions { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.bt-actions-end { justify-content: flex-end; }
.bt-note, .bt-dim { font-size: 11.5px; color: var(--text-faint); margin: 0; }
.bt-meta { font-size: 11.5px; color: var(--text-dim); overflow-wrap: anywhere; }
.bt-error { color: var(--danger); font-size: 12px; font-weight: 600; }
.bt-error:empty { display: none; }
.bt-progress { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.bt-progress-track { flex: 1 1 160px; height: 8px; background: var(--bg-sunken); border: 1px solid var(--border-soft); border-radius: 999px; overflow: hidden; }
.bt-progress-bar { height: 100%; background: var(--accent); transition: width var(--t-med); }
.bt-progress-text { font-size: 11.5px; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.bt-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.bt-kpi { padding: 8px 10px; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); background: var(--bg-sunken); }
.bt-kpi-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-faint); }
.bt-kpi-value { font-size: 15px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }
.bt-kpi-sub { font-size: 11px; color: var(--text-dim); }
.bt-kpi.good { border-color: var(--success-line); background: var(--success-soft); }
.bt-kpi.good .bt-kpi-value { color: var(--success); }
.bt-kpi.bad { border-color: var(--danger-line); background: var(--danger-soft); }
.bt-kpi.bad .bt-kpi-value { color: var(--danger); }
.bt-section { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.bt-section-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-dim); }
.bt-chart { position: relative; height: 220px; width: 100%; border: 1px solid var(--border-soft); border-radius: var(--radius-sm); overflow: hidden; }
.bt-chart-equity { height: 300px; }
.bt-chart-trade { height: 280px; }
.bt-tip { position: absolute; top: 6px; z-index: 5; pointer-events: none; padding: 4px 8px; font-size: 11px; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; box-shadow: var(--shadow-sm); font-variant-numeric: tabular-nums; }
.bt-tip-title { font-weight: 600; color: var(--text-dim); }
.bt-legend-row { display: flex; gap: 14px; flex-wrap: wrap; font-size: 11.5px; color: var(--text-dim); }
.bt-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.bt-swatch { width: 14px; height: 4px; border-radius: 2px; display: inline-block; }
.bt-table td, .bt-table th { white-space: nowrap; }
.bt-num { text-align: right; font-variant-numeric: tabular-nums; }
.bt-pos { color: var(--success); }
.bt-neg { color: var(--danger); }
.bt-better { font-weight: 600; color: var(--text); }
.bt-better-mark { color: var(--success); }
.bt-sort { background: none; border: 0; padding: 0; font: inherit; color: inherit; text-transform: inherit; letter-spacing: inherit; cursor: pointer; }
.bt-trade-row, .bt-cell-row { cursor: pointer; }
.bt-trade-row:hover td, .bt-cell-row:hover td { background: var(--surface-3, var(--bg-sunken)); }
.bt-low td { opacity: 0.5; }
.bt-cell-error td { color: var(--danger); }
.bt-cell-error-text { font-weight: 600; }
.bt-best td { background: var(--success-soft); color: var(--text); font-weight: 600; }
.bt-picked td { box-shadow: inset 0 1px 0 var(--accent-line), inset 0 -1px 0 var(--accent-line); }
.bt-picked-box { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 8px 10px; border: 1px solid var(--accent-line); border-radius: var(--radius-sm); background: var(--accent-soft); font-size: 12px; }
.bt-list { margin: 0; padding-left: 18px; font-size: 11.5px; color: var(--text-dim); }
.bt-grid { display: flex; flex-direction: column; gap: 6px; }
.bt-grid-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.bt-grid-row .bt-sm { width: 90px; }
.bt-grid-row .bt-wide-in { flex: 1 1 200px; min-width: 160px; }
@media (max-width: 720px) {
  .bt-form { grid-template-columns: 1fr; }
  .bt-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bt-chart-equity { height: 240px; }
}

.bt-warn { border: 1px solid var(--warn); border-radius: var(--radius-sm); padding: 6px 10px; }
.bt-badge { display: inline-block; padding: 1px 6px; border-radius: var(--radius-sm); background: var(--warn); color: var(--bg); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }

/* version comparison (chip on the job card, Compare tab badge, Versions tab line) */
.bt-compare-host:empty { display: none; }
.bt-compare-chip { display: inline-block; max-width: 100%; margin-top: 4px; padding: 2px 8px; font-size: 11px; font-variant-numeric: tabular-nums; cursor: pointer;
  background: var(--bg-sunken); color: var(--text-dim); border: 1px solid var(--border-soft); border-radius: 999px; overflow-wrap: anywhere; text-align: left; }
.bt-compare-chip:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.bt-compare-chip.bt-better, .bt-compare-line.bt-better, .bt-verdict.bt-better { color: var(--success); border-color: var(--success-line); }
.bt-compare-chip.bt-worse, .bt-compare-line.bt-worse, .bt-verdict.bt-worse { color: var(--danger); border-color: var(--danger-line); }
.bt-compare-chip.bt-mixed, .bt-compare-line.bt-mixed, .bt-verdict.bt-mixed { color: var(--warn); border-color: var(--warn); }
.bt-compare-chip.bt-same, .bt-compare-line.bt-same, .bt-verdict.bt-same { color: var(--text-faint); border-color: var(--border-soft); }
.bt-exec-same { font-size: 12px; color: var(--text); background: var(--bg-sunken); }
.bt-exec-body { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.bt-compare-line { font-size: 11px; margin-top: 2px; font-variant-numeric: tabular-nums; }
.bt-verdict { display: inline-block; padding: 1px 8px; border: 1px solid var(--border-soft); border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }

/* grouped asset picker (Run tab and the compare form) */
.bt-picker { display: flex; flex-direction: column; gap: 8px; }
.bt-group { display: flex; flex-direction: column; gap: 4px; }
.bt-group-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bt-group-title { font-size: 11px; font-weight: 600; color: var(--text-dim); }
.btn.bt-link, .bt-link { background: none; border: 0; padding: 0 2px; font-size: 11px; color: var(--accent); cursor: pointer; text-decoration: underline; }
.bt-link:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.bt-pick-count { font-variant-numeric: tabular-nums; }
.bt-pick-count.bt-over { color: var(--danger); font-weight: 600; }
.bt-cmp-form > summary { font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.bt-add { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-top: 4px; }
.bt-add .bt-add-in { width: 180px; max-width: 100%; }

/* backtest fidelity: assumptions, open-at-end note, halts, fill model, equity axis, open positions */
.bt-assumptions { font-size: 11.5px; color: var(--text-dim); margin: 0; line-height: 1.45; overflow-wrap: anywhere; }
.bt-assumptions-pair { display: flex; flex-direction: column; gap: 4px; }
.bt-kpi-note { font-size: 11px; color: var(--warn); margin-top: 2px; }
.bt-halt { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-size: 12px; color: var(--text); border: 1px solid var(--warn);
  border-radius: var(--radius-sm); padding: 6px 10px; background: var(--bg-sunken); }
.bt-fill { grid-column: 1 / -1; }
.bt-fill .bt-field { max-width: 320px; }
.bt-fill-help { line-height: 1.4; }
.bt-fill-warn { font-size: 12px; color: var(--text); }
.bt-verdict-caption { font-size: 11px; color: var(--text-faint); }
.bt-axis-label { position: absolute; top: 4px; left: 8px; z-index: 4; pointer-events: none; font-size: 10px; letter-spacing: 0.5px; color: var(--text-faint); }
.bt-open-end { display: flex; flex-direction: column; gap: 4px; }
.bt-total td { font-weight: 600; border-top: 1px solid var(--border-soft); }
.bt-flag { text-align: center; }
.bt-more-cols[aria-pressed="true"] { color: var(--accent); border-color: var(--accent-line); }
@media (max-width: 720px) {
  .bt-fill .bt-field { max-width: none; }
}