/* Portfolio backtester: every colour comes from the active StonkHQ skin (CSS variables set on <html> by js/skins.js).
 * Scoped to .bt-root so it cannot restyle the site header or nav drawer. */
.bt-root {
  --bt-surface: var(--surface);
  --bt-surface2: var(--surface2);
  --bt-ink: var(--text);
  --bt-text: var(--text2);
  --bt-muted: var(--muted);
  --bt-line: var(--border);
  --bt-line-strong: var(--axis);
  --bt-brand: var(--accent-fill);
  --bt-brand-ink: var(--accent-ink);
  --bt-accent: var(--accent);
  --bt-danger: var(--down);
  --bt-success: var(--up);
  --bt-radius: 8px;
  --bt-control: 36px;
  color: var(--text2);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.4;
  min-height: 100vh;
}
.bt-root *, .bt-root *::before, .bt-root *::after { box-sizing: border-box; }
.bt-root button, .bt-root input, .bt-root select, .bt-root textarea { font: inherit; }
.bt-root button { cursor: pointer; }
.bt-root button:disabled, .bt-root input:disabled, .bt-root select:disabled { cursor: not-allowed; opacity: .58; }

.bt-head { display: grid; grid-template-columns: minmax(260px, 1fr) auto; gap: 16px; align-items: center; padding: 16px 18px 6px; }
.bt-root .brand-block { min-width: 0; }
.bt-root .brand-block h1 { margin: 0; color: var(--text); font-family: var(--display); font-size: 24px; font-weight: 800; letter-spacing: 0; line-height: 1.12; }
.bt-root .brand-meta { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 6px; color: var(--muted); font-size: 12px; }
.bt-root .status-pill {
  display: inline-flex; align-items: center; min-height: 22px; padding: 2px 8px; border: 1px solid var(--bt-line); border-radius: 999px;
  background: var(--bt-surface); color: var(--text2); white-space: nowrap;
}
.bt-root .toolbar { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

.bt-root .btn {
  min-height: var(--bt-control); padding: 0 12px; border: 1px solid var(--bt-line-strong); border-radius: var(--bt-radius);
  background: var(--bt-surface); color: var(--bt-ink); font-weight: 700; white-space: nowrap; box-shadow: none; text-shadow: none;
}
.bt-root .btn:hover:not(:disabled) { border-color: var(--bt-brand); text-decoration: none; }
.bt-root .btn.primary { border-color: var(--bt-brand); background: var(--bt-brand); color: var(--bt-brand-ink); }
.bt-root .btn.secondary { border-color: color-mix(in srgb, var(--bt-success) 55%, var(--bt-line)); background: color-mix(in srgb, var(--bt-success) 12%, var(--bt-surface)); color: var(--bt-ink); }
.bt-root .btn.warning { border-color: color-mix(in srgb, var(--bt-accent) 55%, var(--bt-line)); background: color-mix(in srgb, var(--bt-accent) 12%, var(--bt-surface)); color: var(--bt-ink); }
.bt-root .btn.danger { border-color: color-mix(in srgb, var(--bt-danger) 55%, var(--bt-line)); background: color-mix(in srgb, var(--bt-danger) 12%, var(--bt-surface)); color: var(--bt-danger); }
.bt-root .btn.icon { display: inline-grid; place-items: center; width: var(--bt-control); padding: 0; font-size: 17px; line-height: 1; }
.bt-root .btn.small { min-height: 30px; padding: 0 9px; font-size: 12px; }

.bt-root .layout { display: grid; grid-template-columns: minmax(340px, 450px) minmax(0, 1fr); gap: 16px; align-items: start; padding: 12px 18px 28px; }
.bt-root .setup-column, .bt-root .results-column { display: grid; gap: 14px; min-width: 0; }

.bt-root .panel { border: 1px solid var(--bt-line); border-radius: var(--bt-radius); background: var(--bt-surface); box-shadow: var(--shadow); }
.bt-root .panel-header {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px;
  border-bottom: 1px solid var(--bt-line); background: var(--bt-surface2); border-radius: var(--bt-radius) var(--bt-radius) 0 0;
}
.bt-root .panel-header h2, .bt-root .panel-header h3 { margin: 0; color: var(--text); font-size: 15px; font-weight: 800; letter-spacing: 0; }
.bt-root .panel-actions { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; justify-content: flex-end; }
.bt-root .panel-body { padding: 14px; }

.bt-root .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px 12px; }
.bt-root .form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bt-root .form-grid.single { grid-template-columns: 1fr; }
.bt-root .field { display: grid; gap: 5px; min-width: 0; }
.bt-root .field label, .bt-root .field-label { color: var(--muted); font-size: 12px; font-weight: 800; }
.bt-root .field input, .bt-root .field select, .bt-root .field textarea {
  min-height: var(--bt-control); width: 100%; min-width: 0; border: 1px solid var(--bt-line-strong); border-radius: var(--bt-radius);
  background: var(--input-bg); color: var(--text); padding: 7px 9px; outline: none;
}
.bt-root .field input:focus, .bt-root .field select:focus, .bt-root .field textarea:focus {
  border-color: var(--bt-brand); box-shadow: 0 0 0 3px var(--accent-soft);
}
.bt-root .check-row {
  display: flex; align-items: center; gap: 8px; min-height: var(--bt-control); padding: 7px 9px; border: 1px solid var(--bt-line);
  border-radius: var(--bt-radius); background: var(--bt-surface2); color: var(--text); font-size: 13px; font-weight: 700;
}
.bt-root .check-row input { width: 16px; height: 16px; accent-color: var(--bt-brand); }
.bt-root .hint { color: var(--muted); font-size: 12px; }
.bt-root .hint code { font-family: var(--mono, ui-monospace, monospace); }
.bt-root .inline-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.bt-root .mt10 { margin-top: 10px; }
.bt-root .mt12 { margin-top: 12px; }
.bt-root .portfolio-list, .bt-root .cashflow-list, .bt-root .saved-list { display: grid; gap: 10px; }

.bt-root .item-card { border: 1px solid var(--bt-line); border-radius: var(--bt-radius); background: var(--bt-surface); }
.bt-root .item-card-header {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 10px;
  border-bottom: 1px solid var(--bt-line); background: var(--bt-surface2); border-radius: var(--bt-radius) var(--bt-radius) 0 0;
}
.bt-root .item-title { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; min-width: 0; }
.bt-root .item-title strong { color: var(--text); overflow-wrap: anywhere; }
.bt-root .item-body { display: grid; gap: 12px; padding: 10px; }
.bt-root .asset-grid { display: grid; gap: 7px; }
.bt-root .asset-row { display: grid; grid-template-columns: minmax(105px, 1.2fr) minmax(88px, .8fr) var(--bt-control); gap: 7px; align-items: end; }
.bt-root .asset-row .field { gap: 3px; }
.bt-root .asset-row input { text-transform: uppercase; }

.bt-root .tag {
  display: inline-flex; align-items: center; min-height: 22px; padding: 2px 7px; border: 1px solid var(--bt-line); border-radius: 999px;
  background: var(--bt-surface2); color: var(--muted); font-size: 12px; font-weight: 800; white-space: nowrap;
}
.bt-root .tag.good { border-color: color-mix(in srgb, var(--bt-success) 55%, var(--bt-line)); background: color-mix(in srgb, var(--bt-success) 13%, var(--bt-surface)); color: var(--bt-success); }
.bt-root .tag.bad { border-color: color-mix(in srgb, var(--bt-danger) 55%, var(--bt-line)); background: color-mix(in srgb, var(--bt-danger) 13%, var(--bt-surface)); color: var(--bt-danger); }
.bt-root .tag.warn { border-color: color-mix(in srgb, var(--bt-accent) 55%, var(--bt-line)); background: color-mix(in srgb, var(--bt-accent) 13%, var(--bt-surface)); color: var(--bt-accent); }

.bt-root .tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; border-bottom: 1px solid var(--bt-line); background: var(--bt-surface2); }
.bt-root .tab {
  min-height: 32px; padding: 0 10px; border: 1px solid var(--bt-line); border-radius: var(--bt-radius); background: var(--bt-surface);
  color: var(--text2); font-size: 12px; font-weight: 800;
}
.bt-root .tab:hover { border-color: var(--bt-brand); }
.bt-root .tab.active { border-color: var(--bt-brand); background: var(--accent-soft); color: var(--text); box-shadow: inset 0 -2px 0 var(--bt-brand); }

.bt-root .results-empty { display: grid; place-items: center; min-height: 460px; padding: 24px; color: var(--muted); text-align: center; }
.bt-root .results-empty strong { display: block; margin-bottom: 4px; color: var(--text); font-size: 18px; }
.bt-root .result-body { display: grid; gap: 14px; padding: 14px; }
.bt-root .metric-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.bt-root .metric { min-width: 0; padding: 10px; border: 1px solid var(--bt-line); border-radius: var(--bt-radius); background: var(--bt-surface2); }
.bt-root .metric span { display: block; color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.bt-root .metric strong { display: block; margin-top: 4px; color: var(--text); font-size: 17px; overflow-wrap: anywhere; }

.bt-root .chart-wrap { min-height: 340px; border: 1px solid var(--bt-line); border-radius: var(--bt-radius); background: var(--bt-surface); padding: 10px; }
.bt-root .chart-wrap.short { min-height: 250px; }
.bt-root canvas { display: block; width: 100%; height: 320px; }
.bt-root .chart-wrap.short canvas { height: 230px; }

.bt-root .table-wrap { max-width: 100%; overflow: auto; border: 1px solid var(--bt-line); border-radius: var(--bt-radius); background: var(--bt-surface); }
.bt-root table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: 13px; }
.bt-root th, .bt-root td { padding: 8px 9px; border-bottom: 1px solid var(--bt-line); text-align: right; white-space: nowrap; }
.bt-root th:first-child, .bt-root td:first-child { text-align: left; position: sticky; left: 0; background: inherit; z-index: 1; }
.bt-root th { background: var(--bt-surface2); color: var(--text); font-size: 12px; font-weight: 800; }
.bt-root td { color: var(--text2); }
.bt-root tbody tr:nth-child(even) { background: var(--wash); }
.bt-root tbody tr:hover { background: var(--accent-soft); }
.bt-root .negative { color: var(--bt-danger); }
.bt-root .positive { color: var(--bt-success); }

.bt-root .subgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.bt-root .control-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.bt-root .control-row .field { width: min(220px, 100%); }
.bt-root .notice {
  padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--bt-accent) 50%, var(--bt-line)); border-radius: var(--bt-radius);
  background: color-mix(in srgb, var(--bt-accent) 10%, var(--bt-surface)); color: var(--text); font-size: 13px; font-weight: 700;
}
.bt-root .error-box {
  display: grid; gap: 5px; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--bt-danger) 55%, var(--bt-line)); border-radius: var(--bt-radius);
  background: color-mix(in srgb, var(--bt-danger) 11%, var(--bt-surface)); color: var(--text); font-size: 13px; font-weight: 700;
}
.bt-root .heat-cell { color: #fff; font-weight: 800; text-align: center; text-shadow: 0 1px 1px rgba(0, 0, 0, .35); }
.bt-root .section-title { margin-bottom: 8px; border: 1px solid var(--bt-line); border-radius: var(--bt-radius); }
.bt-root .pie-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.bt-root .pie-box { display: grid; gap: 7px; justify-items: center; padding: 10px; border: 1px solid var(--bt-line); border-radius: var(--bt-radius); background: var(--bt-surface); }
.bt-root .pie-box canvas { width: 180px; height: 180px; }

@media (max-width: 1180px) {
  .bt-root .layout { grid-template-columns: 1fr; }
  .bt-root .setup-column { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  .bt-root .setup-column .wide { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .bt-head { grid-template-columns: 1fr; padding: 12px; }
  .bt-root .toolbar { justify-content: stretch; }
  .bt-root .toolbar .btn { flex: 1 1 auto; }
  .bt-root .layout { padding: 12px; }
  .bt-root .setup-column { grid-template-columns: 1fr; }
  .bt-root .form-grid, .bt-root .form-grid.three, .bt-root .subgrid { grid-template-columns: 1fr; }
  .bt-root .metric-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bt-root .asset-row { grid-template-columns: minmax(0, 1fr) 90px var(--bt-control); }
  .bt-root canvas { height: 260px; }
}
@media (max-width: 460px) {
  .bt-root .metric-strip { grid-template-columns: 1fr; }
  .bt-root .item-card-header { grid-template-columns: 1fr; }
  .bt-root .panel-actions { justify-content: flex-start; }
}
.bt-noscript { padding: 18px; }
