:root {
  color-scheme: light;
  --bg: #ebe4d8;
  --surface: rgba(247, 241, 230, 0.88);
  --surface-solid: #f7f1e6;
  --surface-2: #efe7da;
  --surface-3: #e4dacb;
  --text: #26231f;
  --muted: #716a60;
  --line: rgba(58, 49, 39, 0.14);
  --shadow: 0 18px 48px rgba(68, 55, 38, 0.12);
  --shadow-soft: 0 8px 24px rgba(68, 55, 38, 0.08);
  --blue: #3867c8;
  --green: #257b50;
  --orange: #9a6416;
  --red: #b94a42;
  --grey: #948b7e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #f3eddf 0%, #ebe4d8 48%, #e1d7c7 100%);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.shell {
  width: min(1220px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 18px;
}

h1, h2, h3, p {
  margin: 0;
}

h1 {
  font-size: 28px;
  font-weight: 760;
}

h2 {
  font-size: 46px;
  line-height: 1;
  font-weight: 780;
}

h3 {
  font-size: 15px;
  margin-bottom: 12px;
  font-weight: 720;
}

.controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

select,
input,
button {
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 242, 231, 0.76);
  color: var(--text);
  padding: 0 11px;
  font: inherit;
}

select,
input {
  box-shadow: inset 0 1px 0 rgba(255, 250, 241, 0.75);
}

button {
  cursor: pointer;
  background: var(--blue);
  border-color: rgba(56, 103, 200, 0.62);
  color: #fffaf1;
  font-weight: 720;
  box-shadow: 0 8px 18px rgba(10, 132, 255, 0.18);
}

button:hover:not(:disabled) {
  filter: brightness(0.98);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
  box-shadow: none;
}

.demo-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

.muted,
#updated,
small {
  color: var(--muted);
}

.signal-band,
.panel,
.timeframe,
.summary-strip article {
  background: var(--surface);
  border: 1px solid rgba(255, 250, 241, 0.58);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.signal-band {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(360px, 0.95fr);
  gap: 18px;
  padding: 24px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.decision-status {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 18px;
}

.decision-copy {
  max-width: 760px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
}

.decision-foot {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.decision-foot span {
  color: var(--muted);
}

.signal-blockers {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signal-blockers span {
  border: 1px solid rgba(185, 74, 66, 0.26);
  border-radius: 999px;
  background: rgba(185, 74, 66, 0.08);
  color: #7b2c27;
  padding: 5px 9px;
  font-size: 12px;
  font-weight: 680;
}

.signal-blockers span.ok {
  border-color: rgba(37, 123, 80, 0.26);
  background: rgba(37, 123, 80, 0.08);
  color: var(--green);
}

.signal-light {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: var(--grey);
  border: 6px solid rgba(255, 250, 241, 0.70);
  box-shadow: 0 10px 30px rgba(139, 148, 163, 0.28);
}

.signal-light.green {
  background: var(--green);
  box-shadow: 0 12px 34px rgba(31, 164, 99, 0.30);
}

.signal-light.orange {
  background: var(--orange);
  box-shadow: 0 12px 34px rgba(199, 121, 0, 0.26);
}

.signal-light.red {
  background: var(--red);
  box-shadow: 0 12px 34px rgba(185, 74, 66, 0.28);
}

.signal-numbers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.signal-numbers span,
.methodology-block,
.optimizer-ranking div,
.quality,
.chart-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px;
}

.signal-numbers strong,
.signal-numbers small {
  display: block;
}

.signal-numbers strong {
  font-size: 18px;
  font-weight: 760;
}

.decision-graphic {
  background: linear-gradient(180deg, rgba(239, 231, 218, 0.9), rgba(228, 218, 203, 0.72));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.decision-graphic-head,
.gauge-row {
  display: grid;
  align-items: center;
  gap: 10px;
}

.decision-graphic-head {
  grid-template-columns: 1fr auto;
  color: var(--muted);
}

.decision-graphic-head strong {
  color: var(--text);
}

.gauge-row {
  grid-template-columns: 52px 1fr 44px;
  font-size: 12px;
}

.gauge-row label {
  color: var(--muted);
  font-weight: 720;
}

.gauge-row strong {
  text-align: right;
}

.gauge-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: rgba(58, 49, 39, 0.12);
  overflow: visible;
}

.gauge-track > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--grey);
}

.gauge-track.score > span,
.gauge-track.confidence > span {
  background: linear-gradient(90deg, var(--orange), var(--green));
}

.gauge-track.rr > span {
  background: var(--blue);
}

.gauge-track i {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 2px;
  background: rgba(38, 35, 31, 0.55);
}

.gauge-thresholds {
  position: absolute;
  inset: 0;
}

.gauge-thresholds span {
  position: absolute;
  top: 15px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 10px;
  font-weight: 680;
  white-space: nowrap;
}

.tabs {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 8px 0 14px;
  margin-bottom: 2px;
  background: rgba(235, 228, 216, 0.86);
  backdrop-filter: blur(18px);
  overflow-x: auto;
}

.tab-button {
  background: rgba(248, 242, 231, 0.78);
  border-color: var(--line);
  color: var(--text);
  box-shadow: none;
  white-space: nowrap;
}

.tab-button.active {
  background: #2d2923;
  border-color: #2d2923;
  color: #fffaf1;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.summary-strip article {
  padding: 13px;
}

.summary-strip span,
.summary-strip strong {
  display: block;
}

.summary-strip span {
  color: var(--muted);
  font-size: 12px;
}

.summary-strip strong {
  margin-top: 4px;
  font-weight: 720;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.timeframe,
.panel {
  padding: 15px;
}

.status-row,
.corr-row,
.pattern-row,
.history-row,
.macro-row {
  display: grid;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 9px 0;
}

.status-row {
  grid-template-columns: 18px 1fr;
}

.corr-row {
  grid-template-columns: 1fr 70px 90px;
}

.pattern-row {
  grid-template-columns: 120px 1fr;
}

.history-row {
  grid-template-columns: 110px 160px 1fr 1.4fr;
}

.macro-row {
  grid-template-columns: 18px 1fr;
  align-items: start;
}

.timeframe-graphic {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 8px;
  align-items: center;
  margin: 6px 0 8px;
}

.tf-score {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  align-content: center;
  background: var(--surface-2);
  border: 1px solid var(--line);
}

.tf-score strong {
  font-size: 20px;
  line-height: 1;
}

.tf-score span {
  color: var(--muted);
  font-size: 10px;
  max-width: 48px;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tf-score.positive {
  background: rgba(37, 123, 80, 0.1);
  border-color: rgba(37, 123, 80, 0.26);
  color: var(--green);
}

.tf-score.negative {
  background: rgba(185, 74, 66, 0.1);
  border-color: rgba(185, 74, 66, 0.26);
  color: var(--red);
}

.tf-stack {
  height: 10px;
  display: flex;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(58, 49, 39, 0.12);
  border: 1px solid rgba(58, 49, 39, 0.08);
}

.tf-stack span.green {
  background: var(--green);
}

.tf-stack span.orange {
  background: var(--orange);
}

.tf-stack span.red {
  background: var(--red);
}

.tf-dots {
  grid-column: 2;
  display: flex;
  gap: 5px;
}

.audit-row {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
}

.audit-row span,
.audit-row small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.audit-table {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.audit-values {
  display: grid;
  grid-template-columns: 52px repeat(6, minmax(0, 1fr));
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.audit-values strong {
  color: var(--text);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grey);
}

.dot.green {
  background: var(--green);
}

.dot.orange {
  background: var(--orange);
}

.dot.red {
  background: var(--red);
}

.dot.grey {
  background: var(--grey);
}

.text-green {
  color: var(--green);
}

.text-orange {
  color: var(--orange);
}

.text-red {
  color: var(--red);
}

.label span,
.macro-row span,
.optimizer-ranking span,
.quality span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.methodology-panel,
.macro-panel,
.backtest-panel,
.history-panel {
  margin-top: 12px;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-actions,
.backtest-meta,
.macro-summary,
.chart-legend,
.progress-line {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.backtest-meta,
.macro-summary,
.chart-legend,
.progress-line {
  color: var(--muted);
  margin-bottom: 10px;
}

.optimizer-progress {
  margin-bottom: 12px;
}

.progress-bar {
  width: min(360px, 100%);
  height: 10px;
  background: var(--surface-3);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: var(--green);
  transition: width 0.2s ease;
}

.optimizer-ranking,
.methodology-grid,
.macro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.methodology-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quality {
  margin-bottom: 10px;
}

.quality.pass {
  border-color: rgba(31, 164, 99, 0.45);
}

.quality.fail {
  border-color: rgba(215, 53, 53, 0.42);
}

.backtest-table {
  display: grid;
  gap: 2px;
}

.backtest-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 70px 80px 80px 60px 70px;
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  align-items: center;
}

.backtest-row.head {
  color: var(--muted);
}

.chart-card {
  margin-top: 12px;
  background: var(--surface-solid);
}

.chart-card svg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 8px;
}

.chart-card line {
  stroke: rgba(22, 25, 31, 0.18);
  stroke-width: 1;
}

.chart-card text {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 620;
}

.chart-card .chart-axis {
  stroke: rgba(38, 35, 31, 0.46);
  stroke-width: 1.2;
}

.chart-card .chart-grid line {
  stroke: rgba(58, 49, 39, 0.11);
  stroke-width: 1;
}

.chart-card .chart-zero {
  stroke: rgba(38, 35, 31, 0.32);
  stroke-dasharray: 2 4;
}

.chart-card .chart-split {
  stroke: rgba(56, 103, 200, 0.44);
  stroke-dasharray: 5 5;
}

.chart-card .chart-label {
  fill: rgba(38, 35, 31, 0.72);
  font-size: 12px;
  font-weight: 720;
}

.chart-point {
  fill: var(--blue);
  stroke: var(--surface-solid);
  stroke-width: 2;
}

.chart-card path {
  fill: none;
  stroke-width: 3;
}

.price-chart line {
  stroke: rgba(22, 25, 31, 0.18);
  stroke-width: 1;
}

.price-chart rect {
  stroke-width: 1;
}

.candle.up line,
.candle.up rect {
  fill: rgba(31, 164, 99, 0.18);
  stroke: var(--green);
}

.candle.down line,
.candle.down rect {
  fill: rgba(215, 53, 53, 0.16);
  stroke: var(--red);
}

.trade-marker circle {
  fill: var(--blue);
}

.trade-marker line {
  stroke: rgba(10, 132, 255, 0.44);
  stroke-dasharray: 4 4;
}

.trade-marker line.stop {
  stroke: rgba(215, 53, 53, 0.44);
}

.trade-marker line.target {
  stroke: rgba(31, 164, 99, 0.44);
}

.equity-line {
  stroke: var(--green);
}

.drawdown-line {
  stroke: var(--red);
}

.history-line {
  stroke: #51483c;
}

.forecast-line {
  stroke: var(--green);
}

.forecast-band {
  fill: rgba(37, 123, 80, 0.12);
  stroke: none;
}

.metric-chart path,
.forecast-chart path {
  fill: none;
  stroke-width: 3;
}

.forecast-chart .forecast-band {
  fill: rgba(37, 123, 80, 0.12);
}

.methodology-block strong {
  display: block;
  margin-bottom: 6px;
}

.methodology-block ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.warnings {
  margin-top: 14px;
  color: #8a5a00;
}

.warnings div {
  padding: 8px 0;
}

@media (max-width: 980px) {
  .topbar,
  .signal-band {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 36px;
  }

  .controls {
    justify-content: flex-start;
  }

  .decision-foot {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid,
  .details-grid,
  .methodology-grid,
  .macro-grid,
  .optimizer-ranking,
  .audit-values,
  .summary-strip {
    grid-template-columns: 1fr;
  }

  .signal-numbers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gauge-row {
    grid-template-columns: 44px 1fr 38px;
  }

  .backtest-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .history-row {
    grid-template-columns: 1fr;
  }
}