.backtesting-product { min-height: 100vh; background: var(--bg-primary); color: var(--text-main); }
.tradingbarrio-product-rail { min-height: 42px; padding: 5px clamp(18px, 4vw, 64px); display: flex; justify-content: center; gap: 5px; background: var(--bg-primary); border-bottom: 1px solid var(--border-color); }
.tradingbarrio-product-rail button { min-width: 150px; padding: 7px 16px; border: 0; border-radius: 8px; background: transparent; color: var(--text-muted); font: inherit; font-size: .8rem; font-weight: 800; cursor: pointer; }
.tradingbarrio-product-rail button.active { color: #fff; background: var(--accent-navy); }
.backtest-header { min-height: 76px; padding: 14px clamp(18px, 4vw, 64px); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; background: var(--bg-secondary); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 30; }
.backtest-brand { border: 0; background: transparent; color: var(--text-main); display: inline-flex; align-items: center; gap: 12px; width: fit-content; font: inherit; font-size: 1.08rem; font-weight: 800; }
.backtest-brand img { width: 39px; height: 28px; object-fit: contain; }
.backtest-risk-preview { margin-top: -8px; color: var(--text-muted); font-size: .78rem; line-height: 1.35; }
.backtest-analytics-section { margin-top: 20px; padding: 26px; border: 1px solid var(--border-color); border-radius: 16px; background: var(--bg-secondary); }
.backtest-analytics-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.backtest-analytics-heading span { color: var(--text-muted); font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.backtest-analytics-heading h2 { margin: 4px 0 0; color: var(--text-main); font-size: 1.35rem; }
.backtest-analytics-heading small { color: var(--text-muted); }
.backtest-analytics-empty { min-height: 150px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; border: 1px dashed var(--border-color); border-radius: 13px; color: var(--text-muted); text-align: center; }
.backtest-analytics-empty strong { color: var(--text-main); font-size: 1.05rem; }
.backtest-analytics-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.backtest-analytics-card { min-height: 94px; padding: 15px; border: 1px solid var(--border-color); border-radius: 12px; background: var(--bg-main); display: flex; flex-direction: column; justify-content: space-between; gap: 10px; }
.backtest-analytics-card span { color: var(--text-muted); font-size: .75rem; font-weight: 800; text-transform: uppercase; }
.backtest-analytics-card strong { color: var(--text-main); font-size: 1.2rem; }
.backtest-analytics-card.positive strong { color: var(--color-success); }
.backtest-analytics-card.negative strong { color: var(--color-danger); }
.backtest-analytics-detail-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, .8fr); gap: 14px; margin-top: 14px; }
.backtest-equity-card, .backtest-side-card { padding: 18px; border: 1px solid var(--border-color); border-radius: 13px; background: var(--bg-main); }
.backtest-equity-card > div { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.backtest-equity-card h3, .backtest-side-card h3 { margin: 0; font-size: 1rem; color: var(--text-main); }
.backtest-equity-card span { color: var(--text-muted); font-size: .78rem; }
.backtest-equity-card svg { display: block; width: 100%; height: 210px; margin-top: 12px; }
.backtest-side-card { display: flex; flex-direction: column; gap: 14px; }
.backtest-side-card > div { padding: 14px; border: 1px solid var(--border-color); border-radius: 10px; display: grid; grid-template-columns: 1fr auto; gap: 5px 12px; }
.backtest-side-card span { color: var(--text-main); font-weight: 700; }
.backtest-side-card span small, .backtest-side-card em { color: var(--text-muted); font-size: .75rem; font-style: normal; }
.backtest-side-card em { grid-column: 1 / -1; }
@media (max-width: 1050px) { .backtest-analytics-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) { .backtest-analytics-section { padding: 18px 14px; } .backtest-analytics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .backtest-analytics-detail-grid { grid-template-columns: 1fr; } .backtest-equity-card svg { height: 160px; } }
.product-switcher { display: flex; gap: 5px; padding: 5px; border: 1px solid var(--border-color); border-radius: 12px; background: var(--bg-primary); }
.product-switcher button { border: 0; padding: 9px 18px; border-radius: 8px; background: transparent; color: var(--text-muted); font: inherit; font-size: .9rem; font-weight: 750; cursor: pointer; }
.product-switcher button.active { background: var(--accent-navy); color: #fff; box-shadow: 0 5px 14px rgba(3, 36, 91, .17); }
.backtest-header > .btn-theme-toggle { justify-self: end; }
.backtest-home { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 60px 0 90px; }
.backtest-hero { max-width: 850px; margin: 0 auto 42px; text-align: center; }
.backtest-kicker, .backtest-section-heading span { display: block; margin-bottom: 10px; color: #2563eb; font-size: .75rem; font-weight: 850; letter-spacing: .1em; }
.backtest-hero h1 { margin: 0; font-size: clamp(2.25rem, 5vw, 4.35rem); line-height: 1.02; letter-spacing: -.055em; }
.backtest-hero p { max-width: 690px; margin: 22px auto; color: var(--text-muted); font-size: 1.08rem; line-height: 1.75; }
.backtest-model-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; }
.backtest-model-chips span { padding: 8px 12px; border: 1px solid rgba(22, 163, 74, .23); border-radius: 999px; color: #16a34a; background: rgba(22, 163, 74, .08); font-size: .82rem; font-weight: 800; }
.backtest-create-card, .backtest-sessions-section { padding: clamp(22px, 4vw, 38px); border: 1px solid var(--border-color); border-radius: 22px; background: var(--bg-secondary); box-shadow: 0 18px 48px rgba(15, 23, 42, .06); }
.backtest-sessions-section { margin-top: 24px; }
.backtest-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.backtest-section-heading h2 { margin: 0; font-size: 1.5rem; }
.backtest-section-heading p { margin: 0; color: var(--text-muted); font-size: .88rem; }
.backtest-form-grid { display: grid; grid-template-columns: 1.35fr repeat(4, 1fr); gap: 14px; }
.backtest-field { min-width: 0; display: grid; gap: 8px; }
.backtest-field[hidden] { display: none !important; }
.backtest-field > span { color: var(--text-muted); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .035em; }
.backtest-field input, .backtest-field select { width: 100%; min-width: 0; height: 48px; padding: 0 13px; color: var(--text-main); background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 10px; font: inherit; font-size: .9rem; outline: none; }
.backtest-field input:focus, .backtest-field select:focus { border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37, 99, 235, .1); }
.backtest-primary-action { margin-top: 22px; min-height: 48px; padding: 0 22px; border: 0; border-radius: 10px; background: #2563eb; color: #fff; font: inherit; font-weight: 800; cursor: pointer; }
.backtest-session-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.backtest-session-card { padding: 20px; display: grid; gap: 7px; text-align: left; color: var(--text-main); background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 14px; font: inherit; cursor: pointer; }
.backtest-session-card:hover { border-color: #2563eb; transform: translateY(-1px); }
.backtest-session-card span, .backtest-session-card small { color: var(--text-muted); font-size: .78rem; }
.backtest-session-card .backtest-session-symbol { width: fit-content; padding: 5px 8px; border-radius: 7px; background: rgba(37, 99, 235, .09); color: #2563eb; font-weight: 850; }
.backtest-empty-state { min-height: 120px; display: grid; place-content: center; gap: 6px; text-align: center; color: var(--text-muted); border: 1px dashed var(--border-color); border-radius: 14px; }
.backtest-empty-state strong { color: var(--text-main); }
.backtest-workspace { padding: 18px; }
.backtest-workspace-toolbar { min-height: 64px; padding: 10px 16px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; border: 1px solid var(--border-color); border-radius: 13px 13px 0 0; background: var(--bg-secondary); }
.backtest-back-button { border: 0; background: transparent; color: #2563eb; font: inherit; font-weight: 800; cursor: pointer; }
.backtest-workspace-toolbar > div { display: grid; gap: 2px; }
.backtest-workspace-toolbar span { color: var(--text-muted); font-size: .78rem; }
.backtest-account-strip { display: flex !important; grid-auto-flow: column; gap: 22px !important; }
.backtest-account-strip span { display: grid; gap: 2px; }
.backtest-account-strip strong { color: var(--text-main); }
.backtest-engine-grid { min-height: calc(100vh - 176px); display: grid; grid-template-columns: minmax(0, 1fr) 310px; border: 1px solid var(--border-color); border-top: 0; border-radius: 0 0 13px 13px; overflow: hidden; }
.backtest-chart-panel { min-width: 0; position: relative; display: grid; grid-template-rows: 56px 1fr 58px; background: var(--bg-secondary); }
.backtest-chart-head { padding: 0 16px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border-color); }
.backtest-chart-head span { color: var(--text-muted); font-size: .78rem; }
.backtest-drawing-toolbar { display: flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--border-color); border-radius: 9px; background: var(--bg-primary); }
.backtest-drawing-toolbar button { min-width: 34px; height: 34px; padding: 0 8px; display: inline-flex; align-items: center; justify-content: center; gap: 5px; border: 0; border-radius: 7px; color: var(--text-muted); background: transparent; font: inherit; font-size: .72rem; font-weight: 750; cursor: pointer; }
.backtest-drawing-toolbar button:hover { color: var(--text-main); background: var(--bg-secondary); }
.backtest-drawing-toolbar button.active { color: #fff; background: #2563eb; }
.backtest-drawing-toolbar button:disabled { opacity: .38; cursor: not-allowed; background: transparent; }
.backtest-drawing-toolbar svg { width: 17px; height: 17px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.backtest-drawing-toolbar button:first-child svg { fill: currentColor; stroke: currentColor; }
.backtest-drawing-divider { width: 1px; height: 22px; margin: 0 2px; background: var(--border-color); }
.backtest-chart-context { display: flex; align-items: center; gap: 12px; }
.backtest-chart-context select { height: 34px; min-width: 72px; padding: 0 10px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-primary); color: var(--text-main); font: inherit; font-weight: 800; }
.backtest-data-boundary { max-width: 570px; margin: auto; padding: 30px; text-align: center; }
.backtest-chart-stage { position: relative; min-width: 0; min-height: 0; width: 100%; height: 100%; overflow: hidden; grid-row: 2; }
.backtest-chart-canvas { position: absolute; inset: 0; width: 100%; height: 100%; overflow: hidden; }
.backtest-drawing-layer { position: absolute; inset: 0; z-index: 4; width: 100%; height: 100%; pointer-events: none; }
.backtest-drawing-layer.drawing-active { pointer-events: auto; touch-action: none; cursor: crosshair; }
.backtest-drawing-layer.selection-active { pointer-events: auto; touch-action: none; cursor: move; }
.backtest-drawing-layer .backtest-drawing-handle { cursor: crosshair; }
.backtest-data-boundary[hidden], .backtest-chart-stage[hidden] { display: none; }
.backtest-data-icon { width: 54px; height: 54px; margin: 0 auto 18px; display: grid; place-items: center; border-radius: 15px; background: rgba(37, 99, 235, .1); color: #2563eb; font-size: 1.8rem; }
.backtest-data-boundary h2 { margin: 0 0 12px; }
.backtest-data-boundary p { margin: 0; color: var(--text-muted); line-height: 1.65; }
.backtest-replay-controls { display: flex; align-items: center; justify-content: center; gap: 9px; border-top: 1px solid var(--border-color); }
.backtest-replay-controls button, .backtest-replay-controls select { height: 34px; padding: 0 13px; border: 1px solid var(--border-color); border-radius: 8px; }
.backtest-order-panel { padding: 22px; display: grid; align-content: start; gap: 18px; border-left: 1px solid var(--border-color); background: var(--bg-primary); }
.backtest-order-panel h3 { margin: 0; }
.backtest-order-tabs { display: grid; grid-template-columns: repeat(3, 1fr); padding: 4px; border-radius: 9px; background: var(--bg-secondary); }
.backtest-order-tabs button { min-height: 34px; border: 0; border-radius: 7px; background: transparent; color: var(--text-muted); font-weight: 750; }
.backtest-order-tabs button.active { background: var(--bg-primary); color: var(--text-main); }
.backtest-zero-cost-note { display: grid; gap: 3px; padding: 13px; border: 1px solid rgba(22, 163, 74, .2); border-radius: 10px; background: rgba(22, 163, 74, .07); }
.backtest-zero-cost-note strong { color: #16a34a; font-size: .82rem; }
.backtest-zero-cost-note span { color: var(--text-muted); font-size: .75rem; }
.backtest-buy-sell { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.backtest-buy-sell button { min-height: 50px; border: 0; border-radius: 10px; background: #16a34a; color: #fff; font-weight: 850; }
.backtest-buy-sell button:last-child { background: #ef4444; }
.backtest-ledger { margin: 18px 0 0; padding: 18px; border: 1px solid var(--border-color); border-radius: 16px; background: var(--bg-secondary); }
.backtest-ledger > div:first-child { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.backtest-ledger h3 { margin: 0; }
.backtest-ledger-empty { color: var(--text-muted); margin: 20px 0 4px; text-align: center; }
.backtest-ledger-scroll { overflow-x: auto; }
.backtest-ledger table { width: 100%; border-collapse: collapse; min-width: 720px; }
.backtest-ledger th, .backtest-ledger td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--border-color); }
.backtest-ledger th { color: var(--text-muted); font-size: 12px; text-transform: uppercase; }
.backtest-ledger td button { border: 1px solid var(--border-color); border-radius: 8px; padding: 7px 14px; background: var(--bg-primary); color: var(--text-main); font-weight: 700; cursor: pointer; }
.backtest-ledger .is-buy, .backtest-ledger .is-profit { color: #00b85c; font-weight: 800; }
.backtest-ledger .is-sell, .backtest-ledger .is-loss { color: #ff4155; font-weight: 800; }
@media (max-width: 900px) {
  .backtest-header { grid-template-columns: 1fr auto; }
  .product-switcher { grid-row: 2; grid-column: 1 / -1; width: 100%; }
  .product-switcher button { flex: 1; }
  .backtest-form-grid { grid-template-columns: 1fr 1fr; }
  .backtest-field-wide { grid-column: 1 / -1; }
  .backtest-session-grid { grid-template-columns: 1fr 1fr; }
  .backtest-engine-grid { grid-template-columns: 1fr; }
  .backtest-order-panel { border-left: 0; border-top: 1px solid var(--border-color); }
  .backtest-drawing-toolbar button span { display: none; }
}
@media (max-width: 600px) {
  .tradingbarrio-product-rail { padding: 5px 12px; }
  .tradingbarrio-product-rail button { flex: 1; min-width: 0; }
  .backtest-header { padding: 12px 16px; gap: 10px; }
  .backtest-brand span { font-size: .95rem; }
  .product-switcher button { padding: 9px 7px; font-size: .78rem; }
  .backtest-home { width: min(100% - 24px, 1180px); padding: 38px 0 70px; }
  .backtest-hero h1 { font-size: 2.3rem; }
  .backtest-create-card, .backtest-sessions-section { padding: 20px; border-radius: 16px; }
  .backtest-section-heading { display: grid; }
  .backtest-form-grid, .backtest-session-grid { grid-template-columns: 1fr; }
  .backtest-field-wide { grid-column: auto; }
  .backtest-primary-action { width: 100%; }
  .backtest-workspace { padding: 0; }
  .backtest-workspace-toolbar { grid-template-columns: auto 1fr; border-radius: 0; }
  .backtest-account-strip { grid-column: 1 / -1; justify-content: space-between; }
  .backtest-engine-grid { border-left: 0; border-right: 0; border-radius: 0; }
  .backtest-chart-panel { min-height: 560px; grid-template-rows: auto 1fr 58px; }
  .backtest-chart-head { min-height: 96px; padding: 8px 12px; display: grid; grid-template-columns: 1fr auto; gap: 7px 10px; }
  .backtest-drawing-toolbar { grid-column: 1 / -1; grid-row: 2; justify-content: center; }
  .backtest-chart-context { gap: 7px; }
  .backtest-chart-context > span { display: none; }
}