:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1b2430;
  --muted: #5b6573;
  --line: #e2e5ea;
  --navy: #1f4e99;
  --crimson: #c0392b;
  --fill: rgba(198, 54, 43, 0.22);
  --radius: 10px;
  --shadow: 0 1px 0 rgba(27, 36, 48, 0.06);
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { line-height: 1.45; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 20px 18px 40px; }

header {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 18px;
}
header h1 { font-size: 1.45rem; font-weight: 650; margin: 0 0 4px; }
header p { margin: 0; color: var(--muted); font-size: 0.92rem; max-width: 720px; }

.controls { display: flex; flex-wrap: wrap; gap: 10px; }
.seg {
  display: flex;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.seg button {
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 8px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
}
.seg button + button { border-left: 1px solid var(--line); }
.seg button.active { background: var(--navy); color: #fff; }

.kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}
.kpi .lab { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi .val { font-size: 1.45rem; font-weight: 650; margin-top: 4px; }
.kpi .sub { font-size: 0.8rem; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 10px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.card.span2 { grid-column: 1 / -1; }
.card h2 { font-size: 0.98rem; margin: 0 0 2px; }
.card .note { margin: 0 0 10px; color: var(--muted); font-size: 0.8rem; }
.chart { position: relative; height: 320px; }
.chart.tall { height: 380px; }

.scenario-card { padding-bottom: 16px; }
.scenario-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.scenario-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.api-status { color: var(--muted); font-size: 0.78rem; }
.api-status.ok { color: #1b7a3d; }
.api-status.error { color: var(--crimson); }
.primary-button, .secondary-button {
  border-radius: 7px;
  padding: 7px 11px;
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
}
.primary-button { color: #fff; background: var(--navy); border: 1px solid var(--navy); }
.secondary-button { color: var(--ink); background: var(--card); border: 1px solid var(--line); }
.primary-button:disabled, .secondary-button:disabled { opacity: 0.5; cursor: not-allowed; }
.scenario-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(440px, 1.28fr);
  gap: 20px;
  margin-top: 6px;
}
.scenario-inputs { display: grid; grid-template-columns: 1fr; gap: 8px; align-content: start; }
.scenario-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  gap: 10px;
  align-items: center;
}
.scenario-field label { font-size: 0.82rem; }
.scenario-field small { display: block; color: var(--muted); font-size: 0.7rem; }
.scenario-field small.scenario-warning { color: var(--crimson); }
.scenario-field input, .scenario-field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 7px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}
.scenario-field input:disabled { background: var(--bg); color: var(--muted); }
.scenario-deltas {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 6px;
}
.scenario-delta { border-left: 2px solid var(--line); padding: 3px 7px; }
.scenario-delta .lab { color: var(--muted); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.03em; }
.scenario-delta .val { font-size: 1rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.scenario-caption { text-align: center; }
.scenario-shap { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 12px; }

.taylor-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}
.taylor-head .eq {
  font-family: "Cambria Math", "Times New Roman", serif;
  color: var(--ink);
}
.taylor-controls { min-width: 220px; }
.taylor-controls .secondary-button { margin-top: 8px; }
.taylor-controls label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.taylor-slider-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin: 6px 0 4px;
}
.taylor-slider-row input[type="range"] { width: 100%; accent-color: var(--navy); }
.taylor-slider-row output {
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  min-width: 3.6rem;
  text-align: right;
}
.taylor-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 1.1fr);
  gap: 18px;
  margin-top: 8px;
}
.taylor-card table tr.scenario td:first-child::after {
  content: " · scenario";
  color: var(--crimson);
  font-weight: 500;
  font-size: 0.72rem;
}
.taylor-path-table { margin-top: 12px; }
.taylor-path-table table th { text-align: right; }
.taylor-path-table table th:first-child,
.taylor-path-table table td:first-child { text-align: left; }

@media (max-width: 900px) {
  .taylor-head { display: block; }
  .taylor-layout { grid-template-columns: 1fr; }
  .taylor-controls { margin-bottom: 10px; }
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}
.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 5px;
  vertical-align: -1px;
}

footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.78rem;
}

@media (max-width: 900px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .grid { grid-template-columns: 1fr; }
  .card.span2 { grid-column: auto; }
  .scenario-layout { grid-template-columns: 1fr; }
  .scenario-head { display: block; }
  .scenario-actions { justify-content: flex-start; margin-bottom: 10px; }
  .scenario-deltas { grid-template-columns: 1fr 1fr; }
}