@import url("https://fonts.googleapis.com/css2?family=Courier+Prime:wght@400;700&display=swap");
:root {
  --shell: 1210px;
  --purple: #6d28d9;
  --purple-deep: #4c1d95;
  --purple-ink: #35244f;
  --violet: #8b5cf6;
  --wash: #f1edf8;
  --panel: #fbf9ff;
  --panel-strong: #f0e9fb;
  --line: #d8c9ed;
  --line-strong: #b9a1dc;
  --muted: #75658f;
  --cream: #fffaff;
  --shadow: 0 1px 0 rgba(76, 29, 149, 0.06);
  --radius: 6px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--wash);
  color: var(--purple-ink);
  font-family: "Courier Prime", "Courier New", monospace;
  line-height: 1.45;
}
.band { width: 100%; }
.header-band {
  background: rgba(251, 249, 255, 0.9);
  border-bottom: 1px solid rgba(185, 161, 220, 0.68);
}
.inner { width: min(var(--shell), 100%); margin: 0 auto; padding: 0 18px; }
.header { display: flex; justify-content: space-between; gap: 18px; align-items: end; padding: 14px 18px 12px; }
.brand { color: var(--purple-deep); font-size: 15px; letter-spacing: 0.03em; text-transform: lowercase; }
h1 { margin: 2px 0 0; color: var(--purple-deep); font-size: 30px; line-height: 1; letter-spacing: 0.02em; }
h2 { margin: 0; color: var(--purple-deep); font-size: 18px; line-height: 1.05; }
h3 { margin: 8px 0 0; color: var(--purple-deep); font-size: 15px; line-height: 1.15; }
p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
nav { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.tab {
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(251, 249, 255, 0.88);
  color: var(--purple);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}
.tab.active { background: var(--purple); border-color: var(--purple); color: var(--cream); }
.main { padding-top: 12px; padding-bottom: 36px; }
.status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.status span {
  min-height: 30px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(251, 249, 255, 0.88);
  color: var(--muted);
  font-size: 12px;
}
.metrics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-bottom: 12px; }
.metric, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel.chart-panel { overflow: visible; }
.metric { padding: 10px 12px; min-height: 86px; }
.metric-label { color: var(--muted); font-size: 12px; text-transform: lowercase; }
.metric-value { margin-top: 2px; color: var(--purple-deep); font-size: 26px; font-weight: 700; line-height: 1.1; }
.metric-value--air { font-size: 22px; overflow-wrap: anywhere; }
.metric-value--compact { font-size: 20px; }
.metric-note { margin-top: 4px; color: var(--muted); font-size: 12px; }
.grid { display: grid; gap: 12px; margin-bottom: 12px; }
.grid.two { grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.7fr); }
.panel-head { padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel-strong); }
.panel-head.subhead { border-top: 1px solid var(--line); }
.panel-head--split { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.panel-head p { max-width: 760px; }
.axis-controls {
  display: inline-flex;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(251, 249, 255, 0.88);
}
.axis-toggle {
  min-width: 54px;
  min-height: 30px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--purple);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  text-transform: lowercase;
}
.axis-toggle:last-child { border-right: 0; }
.axis-toggle.is-active { background: var(--purple); color: var(--cream); }
.room-toggle {
  display: inline-flex;
  max-width: calc(100% - 28px);
  margin: 12px 14px 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: rgba(251, 249, 255, 0.88);
}
.room-toggle button {
  min-height: 32px;
  padding: 6px 10px;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--purple);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  white-space: nowrap;
}
.room-toggle button:last-child { border-right: 0; }
.room-toggle button.is-active {
  background: var(--purple);
  color: var(--cream);
  font-weight: 700;
}
.plotly-chart { width: 100%; height: 405px; min-height: 405px; }
.plotly-chart--short { height: 360px; min-height: 360px; }
.pwv-chart { height: 520px; min-height: 420px; }
.pwv-age-chart { height: 540px; min-height: 440px; }
.hrv-chart { height: 520px; min-height: 420px; }
.hrv-age-chart { height: 540px; min-height: 440px; }
.pwv-empty, .hrv-empty { margin: 0; padding: 18px 14px; }
.circadian-panel { margin-bottom: 12px; }
.circadian-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 12px 12px 0;
}
.circadian-summary article {
  min-height: 92px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
}
.circadian-summary span,
.circadian-summary small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}
.circadian-summary span { text-transform: lowercase; }
.circadian-summary strong {
  display: block;
  margin: 3px 0;
  color: var(--purple-deep);
  font-size: 19px;
  line-height: 1.1;
}
.solar-actogram {
  height: 680px;
  min-height: 460px;
}
.circadian-empty {
  margin: 0;
  padding: 18px 14px;
  color: var(--muted);
}
.air-psychrometric { height: 600px; min-height: 600px; }
.body-chart--bmi { height: 390px; }
.body-log-panel { max-height: 437px; }
.body-log-table { max-height: 390px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; table-layout: fixed; }
th, td { padding: 7px 9px; border-bottom: 1px solid var(--line); text-align: left; font-size: 13px; line-height: 1.22; }
th { background: var(--panel-strong); color: var(--purple-deep); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
.agreement-row { cursor: pointer; }
.agreement-row:hover td { background: rgba(240, 233, 251, 0.55); }
.agreement-row.is-active td { background: rgba(109, 40, 217, 0.11); color: var(--purple-deep); font-weight: 700; }
.agreement-panel { align-self: start; }
.agreement-panel table { table-layout: auto; }
.agreement-panel th, .agreement-panel td { padding-top: 6px; padding-bottom: 6px; }
.agreement-panel td:first-child { width: 100%; }
.regression-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
}
.regression-grid.outcome-grid { grid-template-columns: 1fr; }
.outcome-matrix-wrap {
  padding: 12px;
  overflow-x: auto;
}
.outcome-matrix {
  min-width: 980px;
  table-layout: fixed;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.outcome-matrix th:first-child { width: 20%; }
.outcome-matrix thead th:not(:first-child) { text-align: center; }
.outcome-matrix th span,
.outcome-matrix th small { display: block; }
.outcome-matrix th small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}
.outcome-matrix tbody th {
  background: rgba(251, 249, 255, 0.72);
  color: var(--purple-ink);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
}
.outcome-matrix td,
.outcome-matrix tbody th { vertical-align: top; }
.outcome-cell {
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}
.outcome-cell-main {
  color: var(--purple-ink);
  font-weight: 700;
}
.outcome-cell-support {
  margin-top: 4px;
  opacity: 0.78;
}
.outcome-cell--held_out,
.outcome-cell--not_used { background: rgba(240, 233, 251, 0.32); }
.outcome-cell--positive { background: rgba(220, 247, 235, 0.58); }
.outcome-cell--negative { background: rgba(255, 226, 226, 0.56); }
.outcome-cell--caution { background: rgba(255, 246, 207, 0.58); }
.action-pill {
  width: fit-content;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.action-pill--try_more { color: #0f766e !important; border-color: rgba(15, 118, 110, 0.35); background: #f2fbf7; }
.action-pill--try_less { color: #9f1239 !important; border-color: rgba(159, 18, 57, 0.35); background: #fff1f1; }
.action-pill--unclear { color: var(--muted) !important; }
.action-try_more th[scope="row"] { border-left: 4px solid #0f766e; }
.action-try_less th[scope="row"] { border-left: 4px solid #9f1239; }
.outcome-matrix-group th {
  background: var(--panel-strong) !important;
  color: var(--purple-deep) !important;
  font-size: 10px !important;
  text-transform: uppercase !important;
}
.control-row { opacity: 0.86; }
.regression-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
  overflow: hidden;
}
.regression-card h3,
.regression-card p,
.regression-meta,
.model-stats { padding-left: 12px; padding-right: 12px; }
.regression-card .fit-note {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 12px;
}
.regression-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding-top: 10px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.model-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 9px 0 10px;
}
.model-stats span {
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 11px;
}
.regression-table th,
.regression-table td { font-size: 12px; }
.regression-table td:nth-child(2),
.regression-table td:nth-child(3),
.regression-table th:nth-child(2),
.regression-table th:nth-child(3) { text-align: right; }
.stability-wrap {
  padding: 0 12px 12px;
  overflow: auto;
}
.stability-table {
  min-width: 760px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stability-table th,
.stability-table td {
  padding: 8px 10px;
}
.stability-table th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.stability-table th.sortable::after {
  content: "↕";
  color: var(--muted);
  font-size: 10px;
  margin-left: 6px;
}
.stability-table th.sortable[data-sort-direction="asc"]::after {
  content: "↑";
}
.stability-table th.sortable[data-sort-direction="desc"]::after {
  content: "↓";
}
.stability-table th.sortable:focus-visible {
  outline: 2px solid var(--line-strong);
  outline-offset: -2px;
}
.stability-table td:nth-child(4),
.stability-table td:nth-child(5),
.stability-table td:nth-child(6),
.stability-table th:nth-child(4),
.stability-table th:nth-child(5),
.stability-table th:nth-child(6) {
  text-align: right;
}
.stability-table tr.is-demoted td {
  opacity: 0.42;
}
.stability-table tr.is-demoted:hover td {
  opacity: 0.75;
}
.term-positive td:nth-child(2) { color: #0f766e; }
.term-negative td:nth-child(2) { color: #7c2d12; }
.table-wrap { overflow: auto; }
.air-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1.3fr) minmax(140px, 0.8fr) repeat(4, minmax(120px, 0.7fr)) auto;
  gap: 10px;
  align-items: end;
  padding: 12px;
  margin-bottom: 12px;
}
.air-controls label,
.intervention-form label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.air-controls input,
.air-controls select,
.air-controls button,
.intervention-form input,
.intervention-form select,
.intervention-form textarea,
.intervention-form button {
  width: 100%;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: #fff;
  color: var(--purple-ink);
  font: inherit;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
}
.air-controls select[multiple] {
  min-height: 132px;
  padding: 6px;
}
.air-controls select[multiple] option {
  padding: 4px 6px;
}
.air-controls button,
.intervention-form button {
  border-color: var(--purple);
  background: var(--purple);
  color: var(--cream);
  cursor: pointer;
  font-weight: 700;
}
.air-timeline { height: 792px; min-height: 792px; }
.chart-note {
  padding: 0 14px 12px;
  color: var(--muted);
}
.scorecard-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
}
.scorecard-card {
  min-height: 170px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
}
.scorecard-card.status-good { border-color: rgba(15, 118, 110, 0.35); background: #f2fbf7; }
.scorecard-card.status-watch { border-color: rgba(161, 98, 7, 0.35); background: #fff9e8; }
.scorecard-card.status-action { border-color: rgba(159, 18, 57, 0.35); background: #fff1f1; }
.scorecard-status {
  display: inline-block;
  padding: 3px 7px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
}
.status-good .scorecard-status { color: #0f766e; }
.status-watch .scorecard-status { color: #a16207; }
.status-action .scorecard-status { color: #9f1239; }
.scorecard-value {
  margin-top: 8px;
  color: var(--purple-deep);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
}
.decision-list {
  display: grid;
  gap: 9px;
  padding: 12px;
}
.decision-list p {
  margin: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
  color: var(--purple-ink);
}
.intervention-form {
  display: grid;
  gap: 10px;
  padding: 12px;
}
.intervention-form textarea { min-height: 88px; resize: vertical; }
.window-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 16px 18px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.window-action {
  margin: 4px 0 6px;
  color: var(--purple-deep);
  font-size: 42px;
  font-weight: 700;
  line-height: 0.95;
  overflow-wrap: anywhere;
}
.window-hero h2 { font-size: 20px; }
.window-hero.window-action-open { border-color: rgba(15, 118, 110, 0.45); background: #f2fbf7; }
.window-hero.window-action-crack,
.window-hero.window-action-check-indoors { border-color: rgba(37, 99, 235, 0.35); background: #f1f8ff; }
.window-hero.window-action-wait { border-color: rgba(161, 98, 7, 0.35); background: #fff9e8; }
.window-hero.window-action-keep-closed { border-color: rgba(159, 18, 57, 0.35); background: #fff1f1; }
.window-confidence {
  min-width: 112px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
  text-align: right;
}
.window-confidence div:nth-child(2) {
  color: var(--purple-deep);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}
.window-confidence span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  text-transform: lowercase;
}
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
}
.comparison-card,
.source-card,
.forecast-pill {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
}
.comparison-card { padding: 12px; }
.cooldown-simple .panel-head p {
  max-width: 980px;
}
.cooldown-action-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: baseline;
  margin: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
}
.cooldown-action-strip strong {
  color: var(--purple-deep);
  font-size: 22px;
  line-height: 1.1;
}
.cooldown-action-strip span {
  color: var(--purple-ink);
  font-size: 13px;
}
.cooldown-action-max_now {
  border-color: rgba(159, 18, 57, 0.35);
  background: #fff1f1;
}
.cooldown-action-max_later {
  border-color: rgba(161, 98, 7, 0.35);
  background: #fff9e8;
}
.cooldown-action-dew_risk {
  border-color: rgba(161, 98, 7, 0.35);
  background: #fff9e8;
}
.cooldown-action-hold {
  border-color: rgba(15, 118, 110, 0.35);
  background: #f2fbf7;
}
.cooldown-model-note {
  margin: 0;
  padding: 0 12px 12px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}
.model-details {
  margin: 0 12px 12px;
  border-top: 1px solid rgba(216, 201, 237, 0.7);
  padding-top: 8px;
}
.model-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  text-transform: lowercase;
}
.model-details .cooldown-model-note {
  padding: 8px 0 0;
}
.cooldown-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 10px;
  padding: 12px 12px 0;
}
.cooldown-summary,
.cooldown-targets,
.cooldown-segments {
  display: grid;
  gap: 10px;
}
.cooldown-summary { grid-template-columns: 1fr; }
.cooldown-targets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cooldown-summary article,
.cooldown-target,
.cooldown-segments div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
  padding: 12px;
}
.cooldown-summary strong,
.cooldown-target strong {
  display: block;
  color: var(--purple-deep);
  font-size: 24px;
  line-height: 1.1;
}
.cooldown-summary span,
.cooldown-target span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}
.cooldown-target {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 10px;
  align-items: start;
}
.cooldown-status-late {
  border-color: rgba(159, 18, 57, 0.35);
  background: #fff1f1;
}
.cooldown-status-ready {
  border-color: rgba(15, 118, 110, 0.35);
  background: #f2fbf7;
}
.cooldown-target dl {
  display: grid;
  gap: 6px;
  margin: 0;
}
.cooldown-target dl div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid rgba(216, 201, 237, 0.55);
  padding-bottom: 4px;
}
.cooldown-segments {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 0 12px 12px;
}
.cooldown-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 0 12px 12px;
}
.cooldown-notes p {
  margin: 0;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(251, 249, 255, 0.72);
  color: var(--purple-ink);
  font-size: 12px;
  line-height: 1.45;
}
.cooldown-segments h3 { margin-bottom: 8px; }
.cooldown-segments p {
  margin: 0;
  color: var(--purple-ink);
  font-size: 12px;
  line-height: 1.45;
}
.cooldown-segments p + p { margin-top: 6px; }
.comparison-card dl,
.source-card dl {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
}
.comparison-card dl div,
.source-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid rgba(216, 201, 237, 0.55);
  padding-bottom: 4px;
}
dt {
  color: var(--muted);
  font-size: 12px;
  text-transform: lowercase;
}
dd {
  margin: 0;
  color: var(--purple-deep);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}
.source-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
}
.source-card { padding: 12px; }
.source-card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: start;
}
.source-card-head span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 11px;
}
.source-caveat {
  margin-top: 10px;
  color: #7c2d12;
}
.forecast-strip {
  display: flex;
  gap: 10px;
  padding: 12px;
  overflow-x: auto;
}
.forecast-pill {
  flex: 0 0 98px;
  padding: 10px;
}
.forecast-pill div {
  color: var(--muted);
  font-size: 12px;
}
.forecast-pill strong {
  display: block;
  color: var(--purple-deep);
  font-size: 19px;
  line-height: 1.1;
}
.forecast-pill span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.window-chart {
  height: 430px;
  min-height: 430px;
}
.chart-explain {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.login-body { min-height: 100vh; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 18px; }
.login-card {
  width: min(420px, 100%);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.login-card input, .login-card button {
  width: 100%;
  min-height: 40px;
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 4px;
  font: inherit;
}
.login-card input { border: 1px solid var(--line-strong); background: #fff; color: var(--purple-ink); }
.login-card button { border: 1px solid var(--purple); background: var(--purple); color: var(--cream); cursor: pointer; font-weight: 700; }
.error { color: #8a2323; font-weight: 700; }
@media (max-width: 860px) {
  .header { align-items: flex-start; flex-direction: column; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.two { grid-template-columns: 1fr; }
  .regression-grid { grid-template-columns: 1fr; }
  .air-controls { grid-template-columns: 1fr 1fr; }
  .scorecard-grid { grid-template-columns: 1fr; }
  .window-hero { grid-template-columns: 1fr; }
  .window-confidence { text-align: left; }
  .cooldown-layout,
  .cooldown-targets,
  .cooldown-notes,
  .cooldown-segments,
  .comparison-grid,
  .source-grid { grid-template-columns: 1fr; }
  .cooldown-target { grid-template-columns: 1fr; }
  .chart-explain { grid-template-columns: 1fr; }
  .circadian-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}