:root {
  color-scheme: light;
  --page: #e0ffff;
  --ink: #111111;
  --muted: #5c5c5c;
  --line: #b8b8b8;
  --panel: #ffffff;
  --accent: #111111;
  --warning: #444444;
  --warning-bg: #eeeeee;
  --error: #111111;
  --font-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--page); font-family: var(--font-mono); line-height: 1.5; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
a { color: inherit; text-underline-offset: .23em; }
button, select, input[type="checkbox"] { cursor: pointer; }
button:disabled { cursor: wait; opacity: .65; }
button, select { color: var(--ink); border-radius: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; padding: 12px 18px; background: var(--ink); color: white; z-index: 100; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.site-shell { max-width: 1360px; padding: 0 48px; margin: 0 auto; }
.masthead { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding: 32px 0 28px; border-bottom: 1px solid var(--ink); }
.wordmark { display: block; font-size: clamp(4.5rem, 8.1vw, 7.4rem); line-height: .96; font-weight: 500; letter-spacing: -.065em; text-decoration: none; padding-right: .075em; }
.masthead-meta { display: grid; gap: 3px; text-align: right; font-size: .875rem; padding-bottom: 3px; }
.eyebrow { margin: 0 0 10px; font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.masthead-meta .eyebrow { margin: 0 0 3px; }
.station-name { font-size: 1rem; }
.muted { color: var(--muted); }
.navigation { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.nav-links { display: flex; align-items: center; gap: 30px; font-size: .875rem; }
.nav-links a { display: flex; align-items: center; min-height: 44px; text-decoration: none; }
.nav-links a:hover { color: var(--accent); text-decoration: underline; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--ink); min-height: 44px; padding: 8px 14px; background: transparent; font-size: .875rem; border-radius: 0; }
.button:hover { background: var(--ink); color: #fff; }
.button[aria-busy="true"] svg { animation: spin 1.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.observations { padding-top: 32px; }
.section-heading { display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; margin: 0 0 22px; }
.section-heading h1, .section-heading h2 { margin: 0; font-weight: 500; font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.15; letter-spacing: -.035em; }
.overview-heading { align-items: center; margin-bottom: 6px; }
.overview-heading h1 { font-size: 1.5rem; letter-spacing: -.025em; }
.status-badge, .mode-badge { display: inline-flex; align-items: center; padding: 6px 10px; border: 1px solid var(--line); background: #f4f4f4; border-radius: 0; font-size: .875rem; white-space: nowrap; }
.status-badge[data-state="fresh"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.status-badge[data-state="stale"], .status-badge[data-state="loading"] { background: var(--warning-bg); color: var(--warning); border-color: #b8b8b8; }
.status-badge[data-state="error"] { background: #f1f1f1; color: var(--error); border-color: #a6a6a6; }
.status-line { font-size: .875rem; color: var(--muted); min-height: 22px; margin-bottom: 20px; max-width: 90ch; }
.status-line[data-state="error"], .status-line[data-state="stale"] { color: var(--warning); }
.overview-grid { display: grid; grid-template-columns: 1.12fr 1fr; gap: 16px; }
.current-panel { display: grid; grid-template-columns: 1.2fr 1fr; grid-template-rows: 1fr auto; gap: 14px 5px; border: 1px solid var(--ink); padding: 25px 26px 20px; background: var(--panel); min-width: 0; }
.primary-reading { z-index: 1; }
.metric-label { margin: 0; font-size: .875rem; color: var(--muted); font-weight: 400; line-height: 1.4; }
.temperature-reading { display: flex; align-items: baseline; gap: 3px; white-space: nowrap; margin: 12px 0 8px; line-height: 1; font-variant-numeric: tabular-nums; }
.temperature-reading > span:first-child { font-size: clamp(4rem, 6.3vw, 6.4rem); letter-spacing: -.075em; }
.large-unit { font-size: clamp(1.5rem, 2.2vw, 2rem); margin-left: 5px; align-self: flex-start; padding-top: .3em; }
.reading-time { font-size: .875rem; color: var(--muted); margin: 15px 0 0; }
.field-art { align-self: center; margin: 0 0 0 3px; min-width: 0; text-align: center; }
.field-art img { display: block; width: 100%; max-width: 205px; height: auto; max-height: 180px; object-fit: contain; mix-blend-mode: multiply; margin: 0 auto; }
.field-art figcaption { margin: 6px 0 0; color: var(--muted); font-size: .75rem; letter-spacing: .03em; }
.secondary-readings { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid var(--line); padding-top: 17px; margin-top: 8px; }
.secondary-value { margin-top: 5px; font-size: 1.8rem; letter-spacing: -.035em; line-height: 1.3; font-variant-numeric: tabular-nums; }
.unit { color: var(--muted); margin-left: 7px; font-size: .875rem; font-weight: 400; letter-spacing: 0; white-space: nowrap; }
.metrics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; min-width: 0; }
.metric { border: 1px solid var(--line); background: #f5f5f5; padding: 21px 22px 17px; display: flex; flex-direction: column; min-width: 0; }
.metric-reading { margin: 15px 0 6px; line-height: 1.15; font-size: clamp(1.9rem, 2.7vw, 2.8rem); letter-spacing: -.04em; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.metric-note { margin: auto 0 0; padding-top: 7px; font-size: .8125rem; color: var(--muted); }
.weather-section, .calibration-section { margin-top: 58px; scroll-margin-top: 20px; }
.range-control { display: grid; gap: 5px; flex-shrink: 0; }
.range-control label { font-size: .75rem; color: var(--muted); }
select { padding: 10px 32px 10px 11px; min-height: 44px; max-width: 100%; background-color: var(--panel); border: 1px solid var(--line); border-radius: 0; font-size: .875rem; }
.chart-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 5px 20px; padding: 12px 0 16px; border-top: 1px solid var(--line); }
.series-options { border: 0; display: flex; gap: 5px 18px; flex-wrap: wrap; margin: 0; padding: 0; }
.series-options label { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; font-size: .875rem; cursor: pointer; }
.series-options input { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); }
.series-options label:has(input:not(:checked)) { color: var(--muted); }
.legend-line { display: inline-block; width: 21px; height: 0; border-top: 2px solid var(--ink); }
.legend-line.forecast { border-top: 2px dashed var(--accent); }
.legend-line.archived { border-top: 2px dotted #6a6a6a; }
.legend-band { width: 20px; height: 9px; background: #dedede; border: 1px solid #b5b5b5; }
.chart-guidance { color: var(--muted); font-size: .8125rem; margin: 0; }
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card { min-width: 0; border: 1px solid #8f8f8f; background: var(--panel); padding: 18px 18px 0; }
.chart-heading { display: flex; gap: 15px; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.chart-heading h3 { margin: 0; font-family: var(--font-mono); font-size: .8125rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.chart-unit { color: var(--muted); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .04em; }
.plot-navigation { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin: 16px 0 9px; }
.plot-navigation select { flex: 1 1 120px; min-width: 110px; }
.plot-page-buttons { display: flex; align-items: center; gap: 5px; }
.plot-arrow { min-width: 44px; padding-inline: 10px; font-size: 1.125rem; }
.plot-latest { padding-inline: 11px; }
.plot-navigation button:disabled { cursor: default; opacity: .4; }
.plot-navigation button:disabled:hover { background: transparent; color: var(--ink); }
.plot-window { min-height: 1.5em; margin: 0 0 5px; color: var(--ink); font-size: .8125rem; font-variant-numeric: tabular-nums; }
.plot-coverage { min-height: 3em; margin: 0 0 11px; color: var(--muted); font-size: .8125rem; line-height: 1.5; }
.plot-coverage[data-state="limited"], .plot-coverage[data-state="error"] { color: var(--warning); }
.chart { display: block; width: 100%; height: 270px; overflow: visible; touch-action: pan-y; border: 1px solid #c6c6c6; border-radius: 0; background: #fff; }
.chart:focus-visible { outline-offset: 1px; }
.chart text, .coefficient-chart text { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.chart-readout { min-height: 79px; font-family: var(--font-mono); font-size: .75rem; color: var(--muted); border-top: 1px solid var(--line); margin-top: 8px; padding: 10px 0 12px; line-height: 1.55; font-variant-numeric: tabular-nums; }
.chart-readout strong { color: var(--ink); font-weight: 500; }
.readout-time { display: block; margin-bottom: 2px; }
.readout-values { display: flex; flex-wrap: wrap; gap: 1px 12px; }
.chart-footnotes { display: flex; justify-content: space-between; gap: 8px 24px; margin-top: 14px; font-size: .8125rem; color: var(--muted); }
.chart-footnotes p { margin: 0; }
.chart-footnotes p:last-child { text-align: right; flex-shrink: 0; }
.calibration-section { border-top: 1px solid var(--ink); padding-top: 30px; }
.section-intro { font-size: .9375rem; color: var(--muted); margin: -6px 0 23px; max-width: 85ch; }
.performance-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.performance-metric { padding: 23px 20px 23px 0; min-width: 0; }
.performance-metric + .performance-metric { padding-left: 20px; border-left: 1px solid var(--line); }
.performance-metric h3 { margin: 0 0 15px; font-size: .875rem; line-height: 1.4; font-weight: 400; min-height: 2.8em; }
.performance-value { font-size: 2.7rem; line-height: 1.15; letter-spacing: -.045em; font-variant-numeric: tabular-nums; }
.performance-metric p { margin: 12px 0 0; color: var(--muted); font-size: .8125rem; }
.improvement-metric .performance-value { color: var(--accent); }
.model-details { margin-top: 25px; border: 1px solid var(--line); background: #f5f5f5; }
.model-details summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 20px; cursor: pointer; list-style: none; font-size: .9375rem; }
.model-details summary::-webkit-details-marker { display: none; }
.summary-symbol { font-size: 1.5rem; line-height: 1; }
.model-details[open] .summary-symbol { transform: rotate(45deg); }
.model-details[open] summary { border-bottom: 1px solid var(--line); }
.details-content { padding: 0 20px 20px; }
.coefficients-grid { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 20px 0; gap: 16px; }
.coefficients-grid dt { font-size: .8125rem; color: var(--muted); min-height: 2.8em; line-height: 1.4; }
.coefficients-grid dd { font-size: 1.25rem; margin: 7px 0 0; font-variant-numeric: tabular-nums; }
.coefficient-header { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 10px; }
.coefficient-header h3 { font-size: 1rem; font-weight: 500; margin: 0; }
.coefficient-chart { display: block; width: 100%; height: 250px; margin-top: 15px; background: var(--panel); border: 1px solid var(--line); }
.calibration-note, #coefficientDescription { font-size: .8125rem; color: var(--muted); margin: 12px 0 0; }
.site-footer { margin-top: 62px; padding: 24px 0 34px; border-top: 1px solid var(--ink); display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; }
.footer-wordmark { font-size: 2rem; letter-spacing: -.06em; line-height: 1.1; text-decoration: none; }
.site-footer p { font-size: .875rem; margin: 7px 0 0; color: var(--muted); }
.footer-detail { display: grid; text-align: right; gap: 5px; font-size: .8125rem; color: var(--muted); }
.footer-detail a { margin-top: 5px; }
.noscript { position: fixed; bottom: 0; inset-inline: 0; padding: 15px; background: var(--warning-bg); color: var(--ink); text-align: center; }
@media (min-width: 1300px) { .current-panel { padding: 27px 28px 23px; } }
@media (max-width: 1050px) {
  .site-shell { padding-inline: 30px; }
  .overview-grid { grid-template-columns: 1fr 1fr; }
  .current-panel { padding: 20px; }
  .field-art img { max-height: 140px; }
  .metric { padding: 18px 15px; }
  .metric-reading .unit { display: block; margin: 6px 0 0; }
  .metric-reading { font-size: 2rem; }
  .chart-card { padding: 18px 14px 0; }
  .chart-guidance { width: 100%; }
  .performance-value { font-size: 2.2rem; }
}
@media (max-width: 780px) {
  .site-shell { padding-inline: 22px; }
  .masthead { padding-top: 26px; }
  .masthead-meta .eyebrow { max-width: 180px; }
  .overview-grid { grid-template-columns: 1fr; }
  .current-panel { padding: 25px; }
  .temperature-reading > span:first-child { font-size: 6.5rem; }
  .field-art img { max-height: 190px; }
  .metrics-grid { grid-template-columns: repeat(4, 1fr); gap: 10px; }
  .metric-reading { font-size: 1.8rem; }
  .metric-label { min-height: 2.8em; }
  .primary-reading .metric-label, .secondary-readings .metric-label { min-height: auto; }
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card { padding: 21px 20px 0; }
  .chart { height: 290px; }
  .performance-grid { grid-template-columns: 1fr 1fr; }
  .performance-metric:nth-child(3) { border-left: 0; padding-left: 0; }
  .performance-metric:nth-child(n+3) { border-top: 1px solid var(--line); }
  .performance-metric h3 { min-height: auto; }
  .coefficients-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .chart-footnotes { flex-direction: column; }
  .chart-footnotes p:last-child { text-align: left; }
  .range-control { flex-shrink: 1; }
}
@media (max-width: 540px) {
  .site-shell { padding-inline: 16px; }
  .masthead { gap: 20px; padding: 27px 0 20px; align-items: flex-start; flex-direction: column; }
  .wordmark { font-size: clamp(4.8rem, 22vw, 7rem); }
  .masthead-meta { width: 100%; grid-template-columns: 1fr auto; text-align: left; gap: 2px 12px; padding: 0; }
  .masthead-meta .eyebrow { max-width: none; grid-column: 1 / -1; }
  .masthead-meta .muted { text-align: right; align-self: center; font-size: .8125rem; }
  .station-name { font-size: .875rem; }
  .navigation { gap: 8px; padding-block: 7px; }
  .nav-links { gap: 17px; font-size: .875rem; flex-wrap: wrap; }
  .nav-links a:nth-child(2) { max-width: 60px; line-height: 1.2; }
  .button { padding: 8px 10px; }
  .refresh-button { gap: 5px; }
  .observations { padding-top: 26px; }
  .overview-heading h1 { font-size: 1.35rem; }
  .status-badge, .mode-badge { font-size: .8125rem; }
  .status-line { margin-top: 8px; margin-bottom: 17px; }
  .current-panel { padding: 21px 20px 18px; gap: 12px 3px; }
  .temperature-reading > span:first-child { font-size: 5.35rem; }
  .large-unit { font-size: 1.5rem; }
  .field-art img { max-height: 145px; }
  .field-art figcaption { font-size: .75rem; }
  .reading-time { font-size: .8125rem; }
  .secondary-readings { margin-top: 6px; }
  .secondary-value { font-size: 1.75rem; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .metric { padding: 17px 18px 15px; }
  .metric-label { min-height: auto; }
  .metric-reading { font-size: 2.1rem; }
  .metric-reading .unit { display: inline; margin: 0 0 0 5px; font-size: .8125rem; }
  .metric-note { font-size: .8125rem; }
  .weather-section, .calibration-section { margin-top: 40px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 15px; margin-bottom: 19px; }
  .overview-heading { flex-direction: row; align-items: center; gap: 10px; margin-bottom: 6px; }
  .section-heading h2 { font-size: 2rem; }
  .range-control { width: 100%; }
  .range-control select { width: 100%; }
  .series-options { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 0 9px; }
  .series-options label { gap: 6px; font-size: .8125rem; }
  .legend-line, .legend-band { width: 15px; flex-shrink: 0; }
  .chart-toolbar { padding-bottom: 17px; gap: 8px; }
  .chart-guidance { font-size: .8125rem; }
  .chart-card { padding: 18px 12px 0; }
  .chart { height: 255px; }
  .chart-heading h3 { font-size: .9375rem; }
  .chart-readout { min-height: 98px; }
  .performance-metric, .performance-metric + .performance-metric { padding-right: 12px; }
  .performance-metric + .performance-metric { padding-left: 14px; }
  .performance-metric:nth-child(3) { padding-left: 0; }
  .performance-metric h3 { min-height: 2.8em; }
  .performance-value { font-size: 2.3rem; }
  .coefficients-grid { grid-template-columns: 1fr 1fr; }
  .model-details summary { padding: 16px; }
  .details-content { padding: 0 15px 20px; }
  .coefficient-header { align-items: flex-start; flex-direction: column; }
  .coefficient-header select { width: 100%; }
  .site-footer { margin-top: 40px; flex-direction: column; align-items: flex-start; }
  .footer-detail { text-align: left; }
}
@media (max-width: 360px) {
  .site-shell { padding-inline: 12px; }
  .nav-links { gap: 10px; }
  .refresh-button svg { display: none; }
  .temperature-reading > span:first-child { font-size: 4.5rem; }
  .current-panel { padding-inline: 15px; }
  .metric-reading { font-size: 1.85rem; }
  .metric { padding-inline: 14px; }
  .series-options label { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  body { background: white; }
  .site-shell { padding: 0; }
  .navigation, .chart-toolbar, .range-control, .footer-detail a { display: none; }
  .chart-card, .overview-grid, .performance-grid { break-inside: avoid; }
  .chart { height: 220px; }
  .chart-readout { min-height: 45px; }
}

/* 1990s technical-instrument treatment for plot controls and annotations. */
.plot-navigation select,
.plot-page-buttons .button,
.plot-window,
.plot-coverage,
.chart-guidance,
.series-options,
.coefficient-header select,
#coefficientDescription,
.calibration-note {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.plot-window { letter-spacing: .025em; }
.plot-coverage, .chart-guidance { font-size: .75rem; }
.coefficient-chart { border-color: #8f8f8f; border-radius: 0; }


/* Instrument-console UI pass */
.site-shell { max-width: 1420px; }
.masthead { padding: 22px 0 18px; align-items: end; }
.wordmark { font-size: clamp(4rem, 7.2vw, 6.6rem); line-height: .9; }
.masthead-meta { gap: 2px; font-size: .75rem; }
.technical-meta { margin-top: 5px; color: var(--muted); font-size: .6875rem; letter-spacing: .055em; text-transform: uppercase; }
.navigation { padding: 7px 0; }
.nav-links { gap: 24px; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.button { min-height: 34px; padding: 5px 10px; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }

.observations { padding-top: 22px; }
.overview-heading { margin-bottom: 5px; align-items: end; }
.overview-heading h1 { font-size: 1.15rem; text-transform: uppercase; letter-spacing: .045em; font-weight: 700; }
.overview-heading .eyebrow { margin-bottom: 3px; }
.status-badge { padding: 0; border: 0; background: transparent !important; color: var(--ink) !important; font-size: .6875rem; font-weight: 700; letter-spacing: .08em; }
.status-badge::before { content: "●"; margin-right: 7px; }
.status-badge[data-state="stale"]::before { content: "○"; }
.status-badge[data-state="loading"]::before { content: "◌"; }
.status-badge[data-state="error"]::before { content: "×"; }
.status-line { min-height: 18px; margin: 0 0 10px; font-size: .6875rem; line-height: 1.35; }

.current-panel { display: grid; grid-template-columns: minmax(290px, .85fr) minmax(420px, 1.35fr); gap: 0; padding: 0; border: 1px solid #777; background: #fff; }
.primary-reading { min-height: 235px; padding: 20px 24px 18px; border-right: 1px solid #777; display: flex; flex-direction: column; justify-content: space-between; }
.register-label { display: flex; justify-content: space-between; gap: 16px; font-size: .6875rem; letter-spacing: .08em; color: var(--muted); }
.register-label span:first-child { color: var(--ink); font-weight: 700; }
.temperature-reading { margin: 4px 0 0; align-items: flex-start; }
.temperature-reading > span:first-child { font-size: clamp(5.6rem, 9vw, 9rem); font-weight: 500; letter-spacing: -.075em; line-height: .85; }
.large-unit { margin-left: 8px; padding-top: .2em; font-size: 1.3rem; }
.reading-time { margin: 0; font-size: .6875rem; text-transform: uppercase; letter-spacing: .035em; }
.measurement-matrix { display: grid; align-content: stretch; }
.measurement-row { min-height: 39px; display: grid; grid-template-columns: 58px minmax(160px, 1fr) 92px 62px; align-items: center; border-bottom: 1px solid #c7c7c7; font-size: .75rem; }
.measurement-row:last-child { border-bottom: 0; }
.measurement-code { align-self: stretch; display: flex; align-items: center; padding: 0 10px; border-right: 1px solid #c7c7c7; color: var(--muted); font-size: .6875rem; letter-spacing: .05em; }
.measurement-name { padding: 0 12px; color: var(--muted); }
.measurement-value { padding: 0 10px; text-align: right; color: var(--ink); font-size: 1.15rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.measurement-unit { padding: 0 10px 0 0; color: var(--muted); text-align: right; font-size: .6875rem; }

.weather-section, .calibration-section { margin-top: 38px; }
.section-heading { margin-bottom: 12px; }
.section-heading h2 { font-size: 1.65rem; }
.chart-toolbar { padding: 7px 0 9px; gap: 4px 18px; }
.series-options { gap: 0 14px; }
.series-options label { min-height: 30px; font-size: .6875rem; text-transform: uppercase; letter-spacing: .025em; }
.chart-guidance { font-size: .6875rem !important; letter-spacing: .03em; text-transform: uppercase; }
.charts-grid { gap: 10px; }
.chart-card { padding: 12px 12px 0; border-color: #777; }
.chart-heading { margin-bottom: 5px; }
.chart-heading h3 { font-size: .75rem; }
.chart-unit { font-size: .6875rem; }

.plot-navigation { margin: 8px 0 5px; gap: 6px; align-items: stretch; }
.period-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(38px, auto); border: 1px solid #777; }
.period-button { min-height: 31px; padding: 4px 8px; border: 0; border-right: 1px solid #b8b8b8; background: #fff; color: var(--ink); font: inherit; font-size: .6875rem; letter-spacing: .025em; cursor: pointer; }
.period-button:last-child { border-right: 0; }
.period-button:hover { background: #ededed; }
.period-button[aria-pressed="true"] { background: var(--ink); color: #fff; }
.plot-page-buttons { gap: 0; border: 1px solid #777; }
.plot-page-buttons .button { min-height: 31px; border: 0; border-right: 1px solid #b8b8b8; padding: 3px 8px; }
.plot-page-buttons .button:last-child { border-right: 0; }
.plot-arrow { min-width: 32px; font-size: .875rem; }
.plot-latest { min-width: 44px; }
.plot-window { min-height: 1.25em; margin-bottom: 2px; font-size: .6875rem; }
.plot-coverage { min-height: 2.5em; margin-bottom: 5px; font-size: .6875rem !important; line-height: 1.35; }
.chart { height: 285px; border-color: #aaa; }
.chart-readout { min-height: 58px; margin-top: 4px; padding: 7px 0 8px; font-size: .6875rem; line-height: 1.45; }
.chart-footnotes { margin-top: 8px; font-size: .6875rem; }

.performance-grid { border-color: #777; }
.performance-metric { padding-top: 15px; padding-bottom: 15px; }
.performance-metric h3 { margin-bottom: 8px; font-size: .75rem; text-transform: uppercase; letter-spacing: .03em; }
.performance-value { font-size: 2.15rem; }
.performance-metric p { margin-top: 7px; font-size: .6875rem; }
.model-details { margin-top: 15px; background: #fff; border-color: #777; }
.model-details summary { padding: 12px 14px; font-size: .75rem; text-transform: uppercase; letter-spacing: .03em; }
.details-content { padding: 0 14px 14px; }
.coefficients-grid { padding: 14px 0; gap: 10px; }
.coefficients-grid dt { font-size: .6875rem; }
.coefficients-grid dd { font-size: 1rem; }
.coefficient-chart { height: 265px; }
.section-intro { margin: -2px 0 12px; font-size: .75rem; }
.calibration-note, #coefficientDescription { font-size: .6875rem; }
.site-footer { margin-top: 38px; padding: 16px 0 24px; }
.footer-wordmark { font-size: 1.45rem; }
.site-footer p, .footer-detail { font-size: .6875rem; }

@media (max-width: 780px) {
  .current-panel { grid-template-columns: 1fr; }
  .primary-reading { min-height: 205px; border-right: 0; border-bottom: 1px solid #777; }
  .temperature-reading > span:first-child { font-size: clamp(5.2rem, 20vw, 8rem); }
  .measurement-row { grid-template-columns: 52px minmax(120px, 1fr) 76px 58px; }
  .period-strip { width: 100%; grid-template-columns: repeat(6, 1fr); grid-auto-flow: row; }
  .plot-navigation { flex-direction: column; }
  .plot-page-buttons { align-self: flex-start; }
}
@media (max-width: 540px) {
  .masthead { padding-top: 20px; }
  .masthead-meta { grid-template-columns: 1fr; }
  .masthead-meta .muted { text-align: left; }
  .technical-meta { grid-column: 1 / -1; }
  .measurement-row { grid-template-columns: 48px minmax(105px, 1fr) 68px 50px; font-size: .6875rem; }
  .measurement-name { padding-inline: 8px; }
  .measurement-value { font-size: .95rem; padding-inline: 6px; }
  .measurement-unit { padding-right: 6px; font-size: .625rem; }
  .period-button { padding-inline: 5px; font-size: .625rem; }
  .chart-card { padding-inline: 8px; }
}


/* Quieter refinement: preserve the technical character with less visual noise. */
:root {
  --page: #ececea;
  --muted: #666663;
  --line: #cececa;
  --panel: #ffffff;
}

.technical-meta { display: none; }
.overview-heading .eyebrow { display: none; }
.chart-guidance { display: none; }

.masthead { padding-top: 26px; padding-bottom: 20px; border-bottom-color: #a8a8a4; }
.wordmark { font-size: clamp(3.8rem, 6.8vw, 6.2rem); }
.navigation { border-bottom-color: #d1d1cd; }
.nav-links { text-transform: none; letter-spacing: 0; }

.status-badge { font-weight: 600; letter-spacing: .03em; }
.status-badge::before { font-size: .7em; margin-right: 6px; }
.status-line { color: #777773; }

.current-panel { border-color: #bdbdb9; }
.primary-reading { border-right-color: #d4d4d0; }
.register-label { letter-spacing: .04em; }
.register-label span:last-child { display: none; }
.measurement-row {
  grid-template-columns: minmax(165px, 1fr) 92px 62px;
  border-bottom-color: #e0e0dc;
  min-height: 42px;
}
.measurement-code { display: none; }
.measurement-name { padding-left: 16px; }
.measurement-value { font-weight: 600; }

.weather-section, .calibration-section { margin-top: 44px; }
.section-heading h2 { font-size: 1.55rem; }
.charts-grid { gap: 14px; }
.chart-card {
  border-color: #d0d0cc;
  padding: 14px 14px 0;
}
.chart-heading h3 { letter-spacing: .025em; text-transform: none; }
.chart { border-color: #ddddda; }
.period-strip { border-color: #c8c8c4; }
.period-button {
  border-right-color: #ddddda;
  color: #5e5e5b;
}
.period-button:hover { background: #f2f2ef; }
.period-button[aria-pressed="true"] { background: #222; color: #fff; }
.plot-page-buttons { border-color: #c8c8c4; }
.plot-page-buttons .button { border-right-color: #ddddda; }
.plot-window, .plot-coverage, .chart-readout { color: #70706d; }

.series-options { gap: 0 18px; }
.series-options label {
  text-transform: none;
  letter-spacing: 0;
  font-size: .75rem;
}
.series-options input { width: 14px; height: 14px; }
.legend-line { width: 17px; }
.legend-band { width: 17px; background: #e6e6e3; border-color: #cdcdc9; }

.mode-badge {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--muted);
  font-size: .75rem;
}
.performance-grid { border-color: #c9c9c5; }
.performance-metric + .performance-metric { border-left-color: #ddddda; }
.model-details { border-color: #c9c9c5; background: #fff; }
.coefficient-chart { border-color: #ddddda; }

@media (max-width: 780px) {
  .primary-reading { border-right: 0; border-bottom-color: #d4d4d0; }
  .measurement-row { grid-template-columns: minmax(135px, 1fr) 76px 58px; }
}
@media (max-width: 540px) {
  .measurement-row { grid-template-columns: minmax(118px, 1fr) 68px 50px; }
}


/* Editorial meteorological system — asymmetrical, typographic, and deliberately sparse. */
:root {
  --font-display: Arial, Helvetica, sans-serif;
  --page: #ececea;
  --panel: #ffffff;
  --ink: #101010;
  --muted: #666662;
  --line: #c9c9c4;
}

body { background: var(--page); }
.site-shell { max-width: 1500px; padding-inline: clamp(18px, 4vw, 58px); }

/* Masthead: large display type against compact technical metadata. */
.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  padding: 26px 0 18px;
  border-bottom: 2px solid var(--ink);
}
.wordmark {
  font-family: var(--font-display);
  font-size: clamp(5.8rem, 13vw, 12rem);
  font-weight: 700;
  line-height: .72;
  letter-spacing: -.09em;
  text-transform: none;
}
.masthead-meta {
  align-self: end;
  min-width: 210px;
  padding-bottom: 2px;
  font-size: .6875rem;
  line-height: 1.35;
}
.masthead-meta .eyebrow { display: block; }
.technical-meta { display: none; }

.navigation {
  min-height: 42px;
  padding: 3px 0;
  border-bottom: 1px solid var(--ink);
}
.nav-links { gap: 22px; }
.nav-links a {
  min-height: 36px;
  font-size: .75rem;
  text-decoration: none;
}
.nav-links a:hover { text-decoration: underline; }
.refresh-button {
  min-height: 32px;
  padding: 0;
  border: 0;
  background: transparent;
}
.refresh-button svg { display: none; }
.refresh-button:hover { background: transparent; color: var(--ink); text-decoration: underline; }

/* Numbered editorial sections. */
.observations, .weather-section, .calibration-section {
  position: relative;
  padding-top: 54px;
}
.observations::before, .weather-section::before, .calibration-section::before {
  position: absolute;
  top: 48px;
  left: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.04em;
}
.observations::before { content: "01"; }
.weather-section::before { content: "02"; }
.calibration-section::before { content: "03"; }

.section-heading {
  padding-left: 52px;
  margin-bottom: 15px;
}
.section-heading .eyebrow {
  margin-bottom: 2px;
  font-size: .625rem;
  letter-spacing: .08em;
}
.section-heading h1,
.section-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.2vw, 4.2rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.055em;
}
.overview-heading h1 {
  font-size: clamp(2.1rem, 4.2vw, 4.2rem);
  text-transform: none;
  letter-spacing: -.055em;
}
.overview-heading .eyebrow { display: block; }

.status-badge {
  align-self: end;
  margin-bottom: 3px;
  font-size: .6875rem;
  letter-spacing: 0;
}
.status-line {
  margin: 0 0 18px 52px;
  max-width: 72ch;
  font-size: .6875rem;
}

/* Current data: composition rather than dashboard card. */
.current-panel {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(420px, 1.3fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
  padding: 18px 0 6px 52px;
  border: 0;
  background: transparent;
}
.primary-reading {
  min-height: 0;
  padding: 0;
  border: 0;
}
.register-label {
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: .625rem;
  color: var(--muted);
}
.register-label span:first-child { font-weight: 400; color: var(--muted); }
.temperature-reading {
  margin: 0;
  align-items: flex-start;
}
.temperature-reading > span:first-child {
  font-family: var(--font-display);
  font-size: clamp(8rem, 17vw, 15rem);
  font-weight: 700;
  line-height: .7;
  letter-spacing: -.09em;
}
.large-unit {
  padding-top: .55em;
  margin-left: 10px;
  font-size: 1rem;
}
.reading-time {
  margin-top: 22px;
  font-size: .625rem;
  text-transform: none;
  letter-spacing: 0;
}

.measurement-matrix {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 28px;
  align-self: stretch;
  border-top: 2px solid var(--ink);
}
.measurement-row {
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto auto;
  align-items: end;
  padding: 11px 0 10px;
  border-bottom: 1px solid var(--line);
}
.measurement-code { display: none; }
.measurement-name {
  align-self: start;
  padding: 0 14px 0 0;
  font-size: .6875rem;
  line-height: 1.25;
  color: var(--muted);
}
.measurement-value {
  padding: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 4rem);
  font-weight: 700;
  line-height: .8;
  letter-spacing: -.055em;
}
.measurement-unit {
  min-width: 48px;
  padding: 0 0 2px 8px;
  font-size: .625rem;
}

/* Chart controls become typography rather than button chrome. */
.chart-toolbar {
  margin-left: 52px;
  padding: 2px 0 14px;
  border-top: 0;
}
.series-options {
  gap: 8px 20px;
}
.series-options label {
  min-height: 28px;
  font-size: .6875rem;
}
.series-options input {
  width: 13px;
  height: 13px;
}
.legend-line, .legend-band { width: 15px; }
.chart-guidance { display: none; }

.charts-grid {
  grid-template-columns: 1fr 1fr;
  gap: 36px 26px;
  margin-left: 52px;
}
.chart-card {
  padding: 0;
  border: 0;
  background: transparent;
}
.chart-heading {
  min-height: 34px;
  margin: 0;
  padding: 0 0 7px;
  border-bottom: 2px solid var(--ink);
}
.chart-heading h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.035em;
  text-transform: none;
}
.chart-unit { font-size: .625rem; }

.plot-navigation {
  margin: 6px 0 3px;
  align-items: baseline;
}
.period-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border: 0;
}
.period-button {
  min-height: 25px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: .6875rem;
}
.period-button:hover {
  background: transparent;
  color: var(--ink);
  text-decoration: underline;
}
.period-button[aria-pressed="true"] {
  background: transparent;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.plot-page-buttons {
  gap: 8px;
  border: 0;
}
.plot-page-buttons .button {
  min-height: 25px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.plot-page-buttons .button:hover {
  background: transparent;
  color: var(--ink);
  text-decoration: underline;
}
.plot-window {
  margin: 1px 0 0;
  min-height: 1.2em;
  font-size: .625rem;
}
.plot-coverage {
  min-height: 2.2em;
  margin: 1px 0 8px;
  font-size: .625rem !important;
}
.chart {
  height: 300px;
  border: 0;
  background: #fff;
}
.chart-readout {
  min-height: 46px;
  margin: 0;
  padding: 7px 0 0;
  border-top: 0;
  font-size: .625rem;
}
.chart-footnotes {
  margin: 14px 0 0 52px;
  font-size: .625rem;
}

/* Calibration follows the same editorial rhythm. */
.calibration-section { border-top: 0; }
.section-intro { margin: 0 0 20px 52px; max-width: 76ch; }
.performance-grid {
  margin-left: 52px;
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr 1.1fr;
  border-top: 2px solid var(--ink);
  border-bottom: 0;
}
.performance-metric,
.performance-metric + .performance-metric {
  padding: 12px 18px 18px 0;
  border-left: 0;
  border-bottom: 1px solid var(--line);
}
.performance-metric + .performance-metric { padding-left: 0; }
.performance-metric h3 {
  min-height: 0;
  margin-bottom: 12px;
  font-size: .6875rem;
  text-transform: none;
  letter-spacing: 0;
}
.performance-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -.06em;
}
.performance-metric p { font-size: .625rem; }

.model-details {
  margin: 28px 0 0 52px;
  border: 0;
  border-top: 2px solid var(--ink);
  background: transparent;
}
.model-details summary {
  padding: 9px 0;
  font-size: .6875rem;
  text-transform: none;
  letter-spacing: 0;
}
.model-details[open] summary { border-bottom: 1px solid var(--line); }
.details-content { padding: 0; }
.coefficients-grid {
  grid-template-columns: repeat(5, 1fr);
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.coefficient-chart {
  border: 0;
  background: #fff;
}
.mode-badge { align-self: end; margin-bottom: 5px; }

.site-footer {
  margin-top: 58px;
  padding: 14px 0 26px;
  border-top: 2px solid var(--ink);
}
.footer-wordmark {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.06em;
}

@media (max-width: 900px) {
  .current-panel {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .measurement-matrix { grid-template-columns: 1fr 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .performance-grid { grid-template-columns: 1fr 1fr; }
  .performance-metric:nth-child(3) { border-top: 0; }
}

@media (max-width: 620px) {
  .masthead { grid-template-columns: 1fr; gap: 22px; }
  .masthead-meta { text-align: left; min-width: 0; }
  .observations::before, .weather-section::before, .calibration-section::before { top: 42px; }
  .section-heading, .status-line, .current-panel, .chart-toolbar, .charts-grid, .chart-footnotes, .section-intro, .performance-grid, .model-details { margin-left: 0; padding-left: 0; }
  .section-heading { padding-left: 36px; }
  .status-line { margin-left: 36px; }
  .current-panel { padding-left: 0; }
  .temperature-reading > span:first-child { font-size: clamp(7rem, 32vw, 11rem); }
  .measurement-matrix { grid-template-columns: 1fr; }
  .measurement-row { min-height: 64px; }
  .charts-grid { gap: 30px; }
  .performance-grid { grid-template-columns: 1fr 1fr; }
  .coefficients-grid { grid-template-columns: 1fr 1fr; }
}


/* Keep charts visually self-explanatory: suppress explanatory copy unless action is needed. */
.chart-footnotes { display: none; }
.plot-coverage:not([data-state="limited"]):not([data-state="error"]) { display: none; }
.chart-readout:empty { display: none; }


/* Minimal-copy pass. */
.status-line:empty,
.section-intro:empty,
.performance-metric p,
.calibration-note,
#coefficientDescription,
.site-footer p { display: none; }
.section-intro { margin-bottom: 10px; }
.plot-window { color: var(--muted); }


/* Remove section menu; keep refresh as quiet masthead utility. */
.masthead-meta .refresh-button {
  justify-self: end;
  margin-top: 6px;
  font-size: .6875rem;
}
@media (max-width: 620px) {
  .masthead-meta .refresh-button { justify-self: start; }
}


/* Editorial asymmetry pass — stronger scale contrast, fewer rules, less dashboard symmetry. */
.masthead {
  padding-top: 10px;
  padding-bottom: 14px;
  border-bottom-width: 4px;
  overflow: hidden;
}
.wordmark {
  margin-left: -.055em;
  margin-top: -.08em;
  font-size: clamp(7.5rem, 16vw, 15rem);
  line-height: .68;
  letter-spacing: -.105em;
}
.masthead-meta {
  padding-bottom: 6px;
  font-size: .625rem;
}
.masthead-meta .eyebrow { display: none; }
.masthead-meta .refresh-button {
  margin-top: 4px;
  text-transform: none;
  letter-spacing: 0;
}

/* Remove explanatory micro-headings; section names and numbers do the work. */
.section-heading .eyebrow { display: none !important; }
.register-label span:last-child { display: none; }

/* Section numbers become graphic objects rather than navigation markers. */
.observations, .weather-section, .calibration-section { padding-top: 76px; }
.observations::before, .weather-section::before, .calibration-section::before {
  top: 50px;
  font-size: clamp(4.5rem, 8vw, 7.5rem);
  line-height: .75;
  letter-spacing: -.09em;
  font-weight: 700;
}
.section-heading {
  padding-left: clamp(76px, 9vw, 126px);
  margin-bottom: 18px;
}
.section-heading h1,
.section-heading h2,
.overview-heading h1 {
  font-size: clamp(2.8rem, 5.5vw, 5.5rem);
  line-height: .86;
}
.status-line {
  margin-left: clamp(76px, 9vw, 126px);
}

/* One deliberately odd typographic gesture: the main °C unit runs vertically. */
.large-unit {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-left: 8px;
  padding-top: 0;
  font-size: .8rem;
  letter-spacing: .08em;
  align-self: flex-start;
}

/* Fewer internal rules; larger differences in scale do the separating. */
.measurement-matrix {
  border-top-width: 3px;
  gap: 6px 34px;
}
.measurement-row {
  min-height: 70px;
  border-bottom: 0;
  padding: 9px 0;
}
.measurement-name { font-size: .625rem; }
.measurement-value {
  font-size: clamp(2.7rem, 4.4vw, 4.8rem);
  line-height: .74;
}

/* Break the dashboard grid. */
.charts-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 48px 24px;
  align-items: start;
}
.chart-card:nth-child(1) { grid-column: 1 / -1; }
.chart-card:nth-child(2) { grid-column: 1 / span 7; }
.chart-card:nth-child(3) { grid-column: 8 / -1; }
.chart-card:nth-child(4) { grid-column: 3 / span 8; }

.chart-card:nth-child(1) .chart { height: 390px; }
.chart-card:nth-child(2) .chart,
.chart-card:nth-child(3) .chart { height: 285px; }
.chart-card:nth-child(4) .chart { height: 260px; }

.chart-heading {
  min-height: 38px;
  border-bottom-width: 3px;
}
.chart-heading h3 {
  font-size: clamp(1.4rem, 2vw, 2.1rem);
  line-height: .9;
}
.chart-unit {
  align-self: end;
  padding-bottom: 2px;
}

/* Controls should feel typeset, not widget-like. */
.period-strip { gap: 12px; }
.period-button,
.plot-page-buttons .button {
  font-size: .625rem;
}
.plot-navigation {
  margin-top: 4px;
  margin-bottom: 1px;
}
.plot-window {
  margin-top: 0;
  font-size: .6rem;
}

/* Calibration: let the four figures lead; everything else is secondary. */
.calibration-section .section-intro,
.calibration-section .mode-badge { display: none !important; }
.performance-grid {
  border-top-width: 3px;
  gap: 0 22px;
}
.performance-metric,
.performance-metric + .performance-metric {
  border-bottom: 0;
  padding-top: 14px;
  padding-bottom: 8px;
}
.performance-metric h3 {
  font-size: .625rem;
  margin-bottom: 10px;
}
.performance-value {
  font-size: clamp(3.2rem, 5.8vw, 6rem);
  line-height: .78;
}
.model-details {
  margin-top: 36px;
  border-top-width: 3px;
}
.model-details summary {
  width: fit-content;
  padding: 8px 0;
  font-size: .625rem;
  letter-spacing: .04em;
}
.model-details[open] summary { border-bottom: 0; }
.summary-symbol { display: none; }

/* Match the stronger editorial rules elsewhere. */
.site-footer { border-top-width: 3px; }

@media (max-width: 900px) {
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card:nth-child(1),
  .chart-card:nth-child(2),
  .chart-card:nth-child(3),
  .chart-card:nth-child(4) { grid-column: 1; }
  .chart-card:nth-child(1) .chart { height: 330px; }
  .chart-card:nth-child(2) .chart,
  .chart-card:nth-child(3) .chart,
  .chart-card:nth-child(4) .chart { height: 275px; }
}

@media (max-width: 620px) {
  .masthead { overflow: visible; padding-top: 18px; }
  .wordmark {
    font-size: clamp(6rem, 28vw, 9rem);
    margin-left: -.04em;
  }
  .observations, .weather-section, .calibration-section { padding-top: 58px; }
  .observations::before, .weather-section::before, .calibration-section::before {
    top: 42px;
    font-size: 3.8rem;
  }
  .section-heading { padding-left: 54px; }
  .status-line { margin-left: 54px; }
  .charts-grid { margin-left: 0; }
  .chart-toolbar { margin-left: 0; }
  .performance-grid,
  .model-details { margin-left: 0; }
}


/* Editorial push II — simplify naming, exaggerate offsets, break remaining symmetry. */
.masthead-meta {
  justify-items: end;
  text-align: right;
}
.station-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.03em;
}
#todayLabel {
  font-size: .625rem;
  letter-spacing: .04em;
}

/* Slightly different heading offsets per section create a poster-like rhythm. */
.weather-section .section-heading {
  padding-left: clamp(110px, 15vw, 220px);
}
.calibration-section .section-heading {
  padding-left: clamp(64px, 7vw, 96px);
}
.weather-section::before { left: clamp(0px, 2vw, 28px); }
.calibration-section::before { left: clamp(18px, 4vw, 54px); }

/* Current readings: deliberately uneven sizes. */
.measurement-row:nth-child(2) .measurement-value {
  font-size: clamp(3.4rem, 5.5vw, 5.9rem);
}
.measurement-row:nth-child(3) .measurement-value,
.measurement-row:nth-child(5) .measurement-value {
  font-size: clamp(2.1rem, 3.2vw, 3.4rem);
}
.measurement-row:nth-child(6) {
  transform: translateX(clamp(0px, 2vw, 26px));
}

/* Vary heading alignment between charts instead of repeating one component four times. */
.chart-card:nth-child(2) .chart-heading {
  justify-content: flex-start;
  gap: 12px;
}
.chart-card:nth-child(3) .chart-heading {
  flex-direction: row-reverse;
  justify-content: flex-start;
  gap: 12px;
}
.chart-card:nth-child(3) .chart-heading h3 { text-align: right; }
.chart-card:nth-child(4) .chart-heading {
  padding-left: clamp(0px, 3vw, 40px);
}

/* Calibration behaves like four pieces of type, not four cards. */
.performance-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0 16px;
}
.performance-metric:nth-child(1) { grid-column: 1 / span 2; }
.performance-metric:nth-child(2) { grid-column: 3 / span 3; }
.performance-metric:nth-child(3) { grid-column: 6 / span 3; }
.performance-metric:nth-child(4) { grid-column: 9 / -1; }
.performance-metric:nth-child(4) .performance-value {
  font-size: clamp(4rem, 7vw, 7.2rem);
}
.model-details {
  width: min(72%, 920px);
  margin-left: auto;
}

/* Footer becomes a tiny folio line; no repeated cligMET wordmark. */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  font-size: .625rem;
}
.site-footer .footer-wordmark { display: none; }

@media (max-width: 900px) {
  .masthead-meta { justify-items: start; text-align: left; }
  .weather-section .section-heading,
  .calibration-section .section-heading { padding-left: 72px; }
  .weather-section::before,
  .calibration-section::before { left: 0; }
  .performance-grid { grid-template-columns: 1fr 1fr; }
  .performance-metric:nth-child(1),
  .performance-metric:nth-child(2),
  .performance-metric:nth-child(3),
  .performance-metric:nth-child(4) { grid-column: auto; }
  .model-details { width: 100%; }
  .measurement-row:nth-child(6) { transform: none; }
}

@media (max-width: 620px) {
  .weather-section .section-heading,
  .calibration-section .section-heading { padding-left: 54px; }
  .performance-grid { grid-template-columns: 1fr 1fr; }
}


/* Editorial push III — less interface, more composition. */

/* Let the live readings behave like a field of type rather than a matrix. */
.current-panel {
  grid-template-columns: minmax(260px, .78fr) minmax(500px, 1.42fr);
  gap: clamp(36px, 6vw, 94px);
  align-items: start;
}
.primary-reading {
  position: sticky;
  top: 18px;
}
.measurement-matrix {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 30px 18px;
  border-top: 0;
  align-items: end;
}
.measurement-row {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(70px, 1fr) auto auto;
  padding: 0;
  border: 0;
  transform: none !important;
}
.measurement-row:nth-child(1) { grid-column: 1 / span 4; }
.measurement-row:nth-child(2) {
  grid-column: 5 / -1;
  padding-top: 12px;
  border-top: 4px solid var(--ink);
}
.measurement-row:nth-child(3) { grid-column: 1 / span 3; }
.measurement-row:nth-child(4) { grid-column: 4 / span 4; }
.measurement-row:nth-child(5) { grid-column: 9 / -1; }
.measurement-row:nth-child(6) {
  grid-column: 3 / span 7;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 2px solid var(--ink);
}
.measurement-row:nth-child(2) .measurement-value {
  font-size: clamp(4.8rem, 7.7vw, 8.2rem);
}
.measurement-row:nth-child(1) .measurement-value,
.measurement-row:nth-child(4) .measurement-value,
.measurement-row:nth-child(6) .measurement-value {
  font-size: clamp(2.9rem, 4.4vw, 4.8rem);
}
.measurement-row:nth-child(3) .measurement-value,
.measurement-row:nth-child(5) .measurement-value {
  font-size: clamp(1.8rem, 2.7vw, 3rem);
}
.measurement-name {
  padding-right: 10px;
  align-self: start;
}
.measurement-unit {
  min-width: 0;
  padding-left: 7px;
}

/* The middle section number is outlined; the others stay solid. */
.weather-section::before {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
  text-stroke: 1.5px var(--ink);
}

/* Series selection becomes a typographic legend, not checkbox UI. */
.chart-toolbar {
  justify-content: flex-end;
  padding-top: 0;
  padding-bottom: 18px;
}
.series-options {
  margin-left: auto;
  gap: 12px 22px;
}
.series-options input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.series-options label {
  position: relative;
  min-height: 20px;
  gap: 7px;
  padding: 0 0 3px;
  color: #969690;
  cursor: pointer;
}
.series-options label:has(input:checked) {
  color: var(--ink);
  font-weight: 700;
}
.series-options label:has(input:focus-visible) {
  outline: 1px solid var(--ink);
  outline-offset: 3px;
}
.series-options label:not(:has(input:checked)) .legend-line,
.series-options label:not(:has(input:checked)) .legend-band {
  opacity: .25;
}

/* The main plot gets publication-scale titling. */
.chart-card:nth-child(1) .chart-heading {
  min-height: auto;
  padding-bottom: 10px;
  border-bottom-width: 5px;
}
.chart-card:nth-child(1) .chart-heading h3 {
  font-size: clamp(3.1rem, 5.8vw, 6rem);
  line-height: .75;
  letter-spacing: -.075em;
}
.chart-card:nth-child(1) .chart-unit {
  font-size: .6875rem;
  padding-bottom: 0;
}
.chart-card:nth-child(2) .chart-heading { border-bottom-width: 2px; }
.chart-card:nth-child(3) .chart-heading { border-bottom: 0; }
.chart-card:nth-child(4) .chart-heading { border-bottom-width: 4px; }

.chart-card:nth-child(1) .chart { background: #fff; }
.chart-card:nth-child(2) .chart,
.chart-card:nth-child(3) .chart,
.chart-card:nth-child(4) .chart { background: transparent; }

/* Let secondary plots sit at different vertical rhythms. */
.chart-card:nth-child(2) { margin-top: 8px; }
.chart-card:nth-child(3) { margin-top: 82px; }
.chart-card:nth-child(4) { margin-top: -12px; }

/* Calibration becomes four independent typographic objects. */
.performance-grid {
  border-top: 0;
  align-items: start;
}
.performance-metric,
.performance-metric + .performance-metric {
  border-top: 2px solid var(--ink);
  padding-top: 10px;
}
.performance-metric:nth-child(1) {
  margin-top: 42px;
  border-top-width: 1px;
}
.performance-metric:nth-child(2) { border-top-width: 4px; }
.performance-metric:nth-child(3) {
  margin-top: 78px;
  border-top-width: 1px;
}
.performance-metric:nth-child(4) {
  margin-top: 18px;
  border-top-width: 5px;
}
.performance-metric:nth-child(1) .performance-value {
  font-size: clamp(2.8rem, 4.4vw, 4.7rem);
}
.model-details {
  width: min(62%, 820px);
  margin-top: 86px;
}

/* The footer is just folio information. */
.site-footer {
  margin-top: 86px;
  border-top: 1px solid #9e9e98;
  padding-top: 9px;
  padding-bottom: 18px;
}

@media (max-width: 1050px) {
  .current-panel {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .primary-reading {
    position: static;
    max-width: 620px;
  }
  .measurement-matrix {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .measurement-matrix {
    grid-template-columns: 1fr 1fr;
    gap: 24px 28px;
  }
  .measurement-row:nth-child(1),
  .measurement-row:nth-child(2),
  .measurement-row:nth-child(3),
  .measurement-row:nth-child(4),
  .measurement-row:nth-child(5),
  .measurement-row:nth-child(6) {
    grid-column: auto;
    margin-top: 0;
  }
  .measurement-row:nth-child(2),
  .measurement-row:nth-child(6) {
    padding-top: 10px;
  }
  .chart-card:nth-child(2),
  .chart-card:nth-child(3),
  .chart-card:nth-child(4) {
    margin-top: 0;
  }
  .performance-metric:nth-child(1),
  .performance-metric:nth-child(2),
  .performance-metric:nth-child(3),
  .performance-metric:nth-child(4) {
    margin-top: 0;
  }
}

@media (max-width: 620px) {
  .measurement-matrix {
    grid-template-columns: 1fr;
  }
  .measurement-row:nth-child(2) .measurement-value {
    font-size: clamp(4rem, 18vw, 6rem);
  }
  .chart-card:nth-child(1) .chart-heading h3 {
    font-size: clamp(2.8rem, 14vw, 4.8rem);
  }
  .model-details { width: 100%; margin-top: 54px; }
}


/* Editorial push IIIb — reduce utility language to marks and IDs. */
.register-label { display: none !important; }

.overview-heading {
  justify-content: flex-start;
  gap: 18px;
}
.overview-heading .status-badge {
  align-self: flex-end;
  margin-bottom: .35em;
}

.masthead-meta .refresh-button {
  position: relative;
  width: 22px;
  min-width: 22px;
  height: 22px;
  min-height: 22px;
  margin-top: 7px;
  padding: 0;
}
.masthead-meta .refresh-button::after {
  content: "↻";
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1;
}
.masthead-meta .refresh-button #refreshLabel {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.site-footer a[aria-label="Back to top"] {
  font-family: var(--font-display);
  font-size: 1rem;
  text-decoration: none;
}


/* Poster-system leap — one continuous meteorological sheet. */

/* 01: live temperature becomes part of the masthead composition. */
.masthead {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, .72fr) minmax(145px, .28fr);
  gap: clamp(22px, 4vw, 62px);
  align-items: end;
  min-height: min(42vw, 470px);
  padding: 0 0 18px;
  border-bottom: 0;
  overflow: visible;
}
.wordmark {
  align-self: start;
  margin-top: -.055em;
  margin-left: -.075em;
  font-size: clamp(9rem, 18vw, 17rem);
  line-height: .64;
  letter-spacing: -.115em;
  white-space: nowrap;
}
.masthead-live {
  position: relative;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  padding: 18px 0 0;
  border-top: 5px solid var(--ink);
}
.masthead-live-kicker {
  position: absolute;
  top: 7px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: .575rem;
  letter-spacing: .07em;
}
.masthead-live-kicker span:first-child {
  font-family: var(--font-display);
  font-size: clamp(2.7rem, 4.8vw, 5rem);
  line-height: .72;
  letter-spacing: -.08em;
}
.masthead-temperature {
  margin: auto 0 0;
  align-items: flex-start;
}
.masthead-temperature > span:first-child {
  font-size: clamp(8.5rem, 14vw, 14rem);
  line-height: .67;
  letter-spacing: -.105em;
}
.masthead-temperature .large-unit {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin: 3px 0 0 8px;
  font-size: .72rem;
}
.masthead-live-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-top: 18px;
  padding-top: 7px;
  border-top: 1px solid var(--ink);
}
.masthead-live .reading-time {
  margin: 0;
  font-size: .6rem;
}
.masthead-live .status-badge {
  margin: 0;
  font-size: .6rem;
}
.masthead-live .status-line {
  margin: 5px 0 0;
  min-height: 0;
  font-size: .575rem;
}
.masthead-meta {
  align-self: end;
  padding: 0 0 2px;
  border-top: 1px solid var(--ink);
  padding-top: 7px;
}

/* Current-condition field flows directly out of the masthead. */
.observations {
  padding-top: 30px;
}
.observations::before,
.weather-section::before,
.calibration-section::before {
  content: none !important;
}
.current-panel {
  display: block;
  padding: 0;
}
.primary-reading { display: none; }
.measurement-matrix {
  width: min(88%, 1180px);
  margin-left: auto;
  padding-left: clamp(0px, 4vw, 60px);
}

/* Explicit registration marks replace section headings. */
.section-register {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  margin-bottom: 18px;
  padding-bottom: 7px;
  border-bottom: 4px solid var(--ink);
}
.section-number {
  font-family: var(--font-display);
  font-size: clamp(5rem, 9vw, 9rem);
  font-weight: 700;
  line-height: .67;
  letter-spacing: -.1em;
}
.weather-section .section-number {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}
.section-ref {
  padding-bottom: 3px;
  font-size: .575rem;
  letter-spacing: .08em;
}

/* 02: Temperature is a publishing plate rather than another card. */
.weather-section {
  padding-top: 104px;
}
.chart-toolbar {
  margin: 0 0 20px;
  padding: 0;
}
.charts-grid {
  margin-left: 0;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 64px 24px;
}
.chart-card:nth-child(1) {
  grid-column: 1 / -1;
  position: relative;
  margin-inline: calc(clamp(18px, 4vw, 58px) * -1);
  padding: 26px clamp(18px, 4vw, 58px) 18px;
  background: #fff;
}
.chart-card:nth-child(1)::before {
  content: "CLG/02.1/A";
  position: absolute;
  top: 9px;
  right: clamp(18px, 4vw, 58px);
  font-size: .55rem;
  letter-spacing: .08em;
  color: var(--muted);
}
.chart-card:nth-child(1) .chart-heading {
  border-bottom: 0;
  padding: 0;
  margin: 0 0 -8px;
}
.chart-card:nth-child(1) .chart-heading h3 {
  font-size: clamp(4.6rem, 9vw, 9rem);
  line-height: .66;
  letter-spacing: -.095em;
  transform: translateY(20px);
  position: relative;
  z-index: 2;
}
.chart-card:nth-child(1) .chart-unit {
  padding-bottom: 1px;
  font-size: .6rem;
}
.chart-card:nth-child(1) .plot-navigation {
  position: relative;
  z-index: 3;
  justify-content: flex-end;
  margin: 18px 0 3px;
}
.chart-card:nth-child(1) .plot-window {
  text-align: right;
  margin-bottom: 5px;
}
.chart-card:nth-child(1) .chart {
  height: 430px;
  background: #fff;
}
.chart-card:nth-child(1) .chart-readout {
  text-align: right;
}

/* Supporting charts are intentionally different fragments. */
.chart-card:nth-child(2) {
  grid-column: 1 / span 8;
  margin-top: 0;
}
.chart-card:nth-child(2) .chart {
  height: 210px;
}
.chart-card:nth-child(2) .chart-heading {
  border-bottom: 4px solid var(--ink);
}
.chart-card:nth-child(3) {
  grid-column: 9 / -1;
  margin-top: 112px;
}
.chart-card:nth-child(3) .chart {
  height: 360px;
}
.chart-card:nth-child(3) .chart-heading {
  border: 0;
  border-left: 3px solid var(--ink);
  padding: 0 0 0 10px;
  flex-direction: column;
  align-items: flex-start;
}
.chart-card:nth-child(3) .plot-navigation {
  align-items: flex-start;
  flex-direction: column;
}
.chart-card:nth-child(4) {
  grid-column: 3 / span 8;
  margin-top: 20px;
}
.chart-card:nth-child(4)::before {
  content: "CLG/02.4";
  display: block;
  margin-bottom: 5px;
  font-size: .55rem;
  letter-spacing: .08em;
  color: var(--muted);
}
.chart-card:nth-child(4) .chart {
  height: 175px;
}
.chart-card:nth-child(4) .chart-heading {
  border-bottom: 1px solid var(--ink);
}

/* 03: calibration becomes statistical end-matter. */
.calibration-section {
  position: relative;
  padding-top: 118px;
  min-height: 680px;
}
.calibration-register {
  width: min(74%, 980px);
  margin-left: auto;
  border-bottom-width: 1px;
}
.calibration-section .mode-badge,
.calibration-section .section-intro {
  display: none !important;
}
.performance-grid {
  position: relative;
  min-height: 390px;
  margin: 0;
  display: block;
  border: 0;
}
.performance-metric {
  position: absolute;
  width: auto;
  min-width: 160px;
  padding: 7px 0 0 !important;
  border: 0 !important;
  border-top: 2px solid var(--ink) !important;
}
.performance-metric:nth-child(1) {
  left: 2%;
  top: 72px;
  width: 15%;
  margin: 0;
}
.performance-metric:nth-child(2) {
  left: 24%;
  top: 0;
  width: 22%;
  border-top-width: 5px !important;
}
.performance-metric:nth-child(3) {
  left: 49%;
  top: 126px;
  width: 22%;
  margin: 0;
  border-top-width: 1px !important;
}
.performance-metric:nth-child(4) {
  right: 0;
  top: 25px;
  width: 26%;
  margin: 0;
  border-top-width: 6px !important;
}
.performance-metric:nth-child(4) .performance-value {
  font-size: clamp(5rem, 9vw, 9rem);
}
.performance-metric h3 {
  margin-bottom: 8px;
  font-size: .575rem;
}
.model-details {
  width: min(54%, 740px);
  margin: 18px 0 0 auto;
  border-top: 1px solid var(--ink);
}
.model-details::before {
  content: "CLG/03.2";
  display: block;
  padding-top: 6px;
  font-size: .55rem;
  letter-spacing: .08em;
  color: var(--muted);
}

/* Folio-like registration details. */
.site-footer::before {
  content: "CLG/MET · PUBLIC SHEET";
  font-size: .525rem;
  letter-spacing: .08em;
  color: var(--muted);
}
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: baseline;
  gap: 20px;
}

/* Desktop gets the radical composition; smaller screens return to a calm reading order. */
@media (max-width: 1050px) {
  .masthead {
    grid-template-columns: 1fr minmax(240px, .55fr);
    min-height: 0;
  }
  .wordmark { grid-column: 1 / -1; }
  .masthead-live { grid-column: 1; min-height: 300px; }
  .masthead-meta { grid-column: 2; }
  .measurement-matrix { width: 100%; padding-left: 0; }
}

@media (max-width: 900px) {
  .weather-section { padding-top: 80px; }
  .chart-card:nth-child(1) {
    margin-inline: 0;
    padding-inline: 18px;
  }
  .chart-card:nth-child(2),
  .chart-card:nth-child(3),
  .chart-card:nth-child(4) {
    grid-column: 1 / -1;
    margin-top: 0;
  }
  .chart-card:nth-child(2) .chart,
  .chart-card:nth-child(3) .chart,
  .chart-card:nth-child(4) .chart {
    height: 260px;
  }
  .chart-card:nth-child(3) .plot-navigation {
    flex-direction: row;
    align-items: baseline;
  }
  .performance-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 0;
    gap: 28px 22px;
  }
  .performance-metric,
  .performance-metric:nth-child(1),
  .performance-metric:nth-child(2),
  .performance-metric:nth-child(3),
  .performance-metric:nth-child(4) {
    position: static;
    width: auto;
    margin: 0;
  }
  .model-details,
  .calibration-register {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .masthead {
    display: block;
    padding-top: 14px;
  }
  .wordmark {
    display: block;
    font-size: clamp(6.8rem, 31vw, 10rem);
    margin-bottom: 34px;
  }
  .masthead-live {
    min-height: 260px;
    margin-bottom: 32px;
  }
  .masthead-temperature > span:first-child {
    font-size: clamp(7rem, 33vw, 11rem);
  }
  .masthead-meta {
    text-align: left;
    justify-items: start;
    width: 100%;
  }
  .observations { padding-top: 26px; }
  .section-register { margin-bottom: 14px; }
  .section-number { font-size: 4.3rem; }
  .chart-card:nth-child(1) .chart-heading h3 {
    font-size: clamp(3.4rem, 18vw, 5.3rem);
    transform: translateY(12px);
  }
  .chart-card:nth-child(1) .chart { height: 320px; }
  .performance-grid { grid-template-columns: 1fr; }
  .performance-metric:nth-child(4) .performance-value {
    font-size: clamp(4rem, 21vw, 6.8rem);
  }
  .site-footer {
    grid-template-columns: 1fr auto;
  }
  .site-footer::before { grid-column: 1 / -1; }
}


/* Connected editorial system — keep the character, restore one visual spine. */

/* Masthead returns to one clear object. */
.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  min-height: 0;
  gap: 28px;
  padding: 14px 0 18px;
  border-bottom: 4px solid var(--ink);
  overflow: hidden;
}
.wordmark {
  align-self: end;
  margin: 0 0 -.03em -.06em;
  font-size: clamp(7.5rem, 15vw, 14rem);
  line-height: .67;
  letter-spacing: -.105em;
}
.masthead-meta {
  align-self: end;
  min-width: 160px;
  padding: 0 0 2px;
  border-top: 0;
  text-align: right;
  justify-items: end;
}
.masthead-live { display: none !important; }

/* All three numbered sections use the same registration system. */
.observations,
.weather-section,
.calibration-section {
  padding-top: 72px;
}
.section-register {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  margin-bottom: 22px;
  padding-bottom: 7px;
  border-bottom: 3px solid var(--ink);
}
.current-register { border-bottom-width: 4px; }
.calibration-register { width: 100%; margin-left: 0; border-bottom-width: 3px; }
.section-number {
  color: var(--ink);
  -webkit-text-stroke: 0;
  font-family: var(--font-display);
  font-size: clamp(4.8rem, 8vw, 7.8rem);
  font-weight: 700;
  line-height: .68;
  letter-spacing: -.09em;
}
.weather-section .section-number {
  color: transparent;
  -webkit-text-stroke: 1.4px var(--ink);
}
.section-ref {
  padding-bottom: 3px;
  font-size: .575rem;
  letter-spacing: .08em;
}

/* 01: one coherent live-data block. */
.current-panel {
  display: grid;
  grid-template-columns: minmax(300px, .9fr) minmax(0, 1.55fr);
  gap: clamp(38px, 6vw, 88px);
  align-items: end;
  padding: 6px 0 0;
}
.primary-reading {
  display: block;
  position: static;
  max-width: none;
}
.temperature-reading {
  margin: 0;
  align-items: flex-start;
}
.temperature-reading > span:first-child {
  font-size: clamp(8rem, 15vw, 13.5rem);
  line-height: .67;
  letter-spacing: -.105em;
}
.large-unit {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin: 4px 0 0 8px;
  font-size: .72rem;
}
.primary-reading-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-top: 18px;
  padding-top: 7px;
  border-top: 1px solid var(--ink);
}
.primary-reading .reading-time,
.primary-reading .status-badge {
  margin: 0;
  font-size: .6rem;
}
.primary-reading .status-line {
  margin: 5px 0 0;
  min-height: 0;
  font-size: .575rem;
}
.measurement-matrix {
  width: 100%;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 26px 20px;
  align-items: end;
  border-top: 0;
}
.measurement-row,
.measurement-row:nth-child(1),
.measurement-row:nth-child(2),
.measurement-row:nth-child(3),
.measurement-row:nth-child(4),
.measurement-row:nth-child(5),
.measurement-row:nth-child(6) {
  grid-column: span 2;
  margin: 0;
  padding: 9px 0 0;
  border: 0;
  border-top: 1px solid var(--ink);
  transform: none !important;
}
.measurement-row:nth-child(2) { border-top-width: 4px; }
.measurement-row:nth-child(6) { border-top-width: 2px; }
.measurement-row:nth-child(2) .measurement-value {
  font-size: clamp(4rem, 6vw, 6.4rem);
}
.measurement-row:nth-child(1) .measurement-value,
.measurement-row:nth-child(4) .measurement-value,
.measurement-row:nth-child(6) .measurement-value {
  font-size: clamp(2.5rem, 3.8vw, 4.1rem);
}
.measurement-row:nth-child(3) .measurement-value,
.measurement-row:nth-child(5) .measurement-value {
  font-size: clamp(2rem, 3vw, 3.1rem);
}

/* 02: one chart family, with Temperature clearly dominant. */
.weather-section { padding-top: 94px; }
.chart-toolbar {
  margin: 0 0 18px;
  padding: 0;
}
.charts-grid {
  margin-left: 0;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 46px 24px;
  align-items: start;
}
.chart-card:nth-child(1) {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0;
  background: transparent;
}
.chart-card:nth-child(1)::before { content: none; }
.chart-card:nth-child(1) .chart-heading {
  margin: 0;
  padding: 0 0 10px;
  border-bottom: 5px solid var(--ink);
}
.chart-card:nth-child(1) .chart-heading h3 {
  font-size: clamp(3.8rem, 7vw, 7rem);
  line-height: .72;
  letter-spacing: -.085em;
  transform: none;
}
.chart-card:nth-child(1) .plot-navigation {
  margin-top: 7px;
  justify-content: space-between;
}
.chart-card:nth-child(1) .plot-window {
  text-align: left;
}
.chart-card:nth-child(1) .chart {
  height: 390px;
  background: #fff;
}
.chart-card:nth-child(1) .chart-readout {
  text-align: left;
}
.chart-card:nth-child(2) {
  grid-column: 1 / span 7;
  margin: 0;
}
.chart-card:nth-child(3) {
  grid-column: 8 / -1;
  margin: 0;
}
.chart-card:nth-child(4) {
  grid-column: 3 / span 8;
  margin: 0;
}
.chart-card:nth-child(2)::before,
.chart-card:nth-child(3)::before,
.chart-card:nth-child(4)::before {
  content: none;
}
.chart-card:nth-child(2) .chart,
.chart-card:nth-child(3) .chart,
.chart-card:nth-child(4) .chart {
  height: 260px;
  background: transparent;
}
.chart-card:nth-child(2) .chart-heading,
.chart-card:nth-child(3) .chart-heading,
.chart-card:nth-child(4) .chart-heading {
  min-height: 34px;
  padding: 0 0 7px;
  border: 0;
  border-bottom: 2px solid var(--ink);
  flex-direction: row;
  align-items: end;
  justify-content: space-between;
}
.chart-card:nth-child(3) .chart-heading h3 {
  text-align: left;
}
.chart-card:nth-child(3) .plot-navigation {
  flex-direction: row;
  align-items: baseline;
}
.chart-card:nth-child(4) .chart-heading {
  padding-left: 0;
  border-bottom-width: 3px;
}

/* 03: four metrics share one horizontal baseline again. */
.calibration-section {
  min-height: 0;
  padding-top: 96px;
}
.calibration-section .mode-badge,
.calibration-section .section-intro {
  display: none !important;
}
.performance-grid {
  position: static;
  display: grid;
  grid-template-columns: .8fr 1.15fr 1.15fr 1.4fr;
  gap: 0 24px;
  min-height: 0;
  margin: 0;
  align-items: start;
}
.performance-metric,
.performance-metric:nth-child(1),
.performance-metric:nth-child(2),
.performance-metric:nth-child(3),
.performance-metric:nth-child(4) {
  position: static;
  width: auto;
  min-width: 0;
  margin: 0;
  padding: 10px 0 0 !important;
  border: 0 !important;
  border-top: 2px solid var(--ink) !important;
}
.performance-metric:nth-child(1) { border-top-width: 1px !important; }
.performance-metric:nth-child(2) { border-top-width: 4px !important; }
.performance-metric:nth-child(3) { border-top-width: 1px !important; }
.performance-metric:nth-child(4) { border-top-width: 5px !important; }
.performance-metric:nth-child(4) .performance-value {
  font-size: clamp(4.4rem, 7vw, 7rem);
}
.model-details {
  width: min(72%, 920px);
  margin: 42px 0 0 auto;
  border-top: 2px solid var(--ink);
}
.model-details::before { content: none; }

/* Footer remains the restrained folio line. */
.site-footer::before {
  content: "CLG/MET";
}

/* Responsive: keep the same system, simply reduce the asymmetry. */
@media (max-width: 1050px) {
  .masthead {
    grid-template-columns: 1fr auto;
  }
  .wordmark { grid-column: auto; }
  .current-panel {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .measurement-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card:nth-child(1),
  .chart-card:nth-child(2),
  .chart-card:nth-child(3),
  .chart-card:nth-child(4) {
    grid-column: 1;
  }
  .chart-card:nth-child(1) .chart {
    height: 330px;
  }
  .chart-card:nth-child(2) .chart,
  .chart-card:nth-child(3) .chart,
  .chart-card:nth-child(4) .chart {
    height: 260px;
  }
  .performance-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px 22px;
  }
  .model-details { width: 100%; }
}

@media (max-width: 620px) {
  .masthead {
    display: block;
    padding-top: 16px;
  }
  .wordmark {
    display: block;
    font-size: clamp(6.4rem, 29vw, 9.4rem);
    margin-bottom: 28px;
  }
  .masthead-meta {
    width: 100%;
    text-align: left;
    justify-items: start;
  }
  .observations,
  .weather-section,
  .calibration-section {
    padding-top: 58px;
  }
  .section-register {
    margin-bottom: 16px;
  }
  .section-number {
    font-size: 4.2rem;
  }
  .temperature-reading > span:first-child {
    font-size: clamp(7rem, 32vw, 10.5rem);
  }
  .measurement-matrix {
    grid-template-columns: 1fr;
  }
  .measurement-row,
  .measurement-row:nth-child(1),
  .measurement-row:nth-child(2),
  .measurement-row:nth-child(3),
  .measurement-row:nth-child(4),
  .measurement-row:nth-child(5),
  .measurement-row:nth-child(6) {
    grid-column: 1;
  }
  .chart-card:nth-child(1) .chart-heading h3 {
    font-size: clamp(3.1rem, 16vw, 4.8rem);
  }
  .performance-grid {
    grid-template-columns: 1fr;
  }
}


/* Final art-direction polish — rhythm, chart typography, alignment and mobile. */
:root {
  --section-space: clamp(72px, 8vw, 112px);
  --micro-size: .6rem;
}

/* Keep the page moving on one consistent vertical rhythm. */
.observations,
.weather-section,
.calibration-section {
  padding-top: var(--section-space);
}
.section-register {
  margin-bottom: 24px;
}
.current-panel {
  gap: clamp(42px, 5.5vw, 80px);
}
.weather-section { padding-top: clamp(86px, 9vw, 124px); }
.calibration-section { padding-top: clamp(88px, 9vw, 122px); }

/* Current-condition typography: pressure leads, the rest share a family. */
.measurement-matrix {
  gap: 28px 22px;
}
.measurement-row {
  grid-template-columns: minmax(64px, 1fr) auto auto;
}
.measurement-code,
.measurement-name,
.measurement-unit,
.reading-time,
.status-badge,
.section-ref,
.technical-meta {
  font-size: var(--micro-size);
}
.measurement-code {
  letter-spacing: .055em;
}
.measurement-name {
  line-height: 1.15;
  color: var(--muted);
}
.measurement-unit {
  align-self: end;
  padding-bottom: .12em;
}
.primary-reading-foot {
  margin-top: 16px;
}

/* Chart labels become one quiet technical typographic system. */
.chart {
  font-family: var(--font-display);
}
.chart-axis-label,
.chart-empty-label {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: .02em;
}
.chart-axis-time {
  font-variant-numeric: tabular-nums;
}
.chart-axis-value {
  font-variant-numeric: tabular-nums;
}
.chart-empty-label {
  letter-spacing: .04em;
}
.chart-heading h3 {
  letter-spacing: -.045em;
}
.chart-card:nth-child(1) .chart-heading h3 {
  letter-spacing: -.08em;
}
.chart-unit,
.plot-window,
.chart-readout {
  font-variant-numeric: tabular-nums;
}
.plot-window {
  min-height: 1.1em;
  letter-spacing: .015em;
}
.chart-readout {
  min-height: 32px;
  padding-top: 5px;
  line-height: 1.35;
}

/* Period controls align as one line of typeset metadata. */
.plot-navigation {
  min-height: 29px;
}
.period-strip {
  gap: 11px;
}
.period-button,
.plot-page-buttons .button {
  min-height: 23px;
  line-height: 1;
}
.period-button[aria-pressed="true"] {
  text-underline-offset: 3px;
}
.chart-toolbar {
  min-height: 28px;
}
.series-options {
  align-items: baseline;
  gap: 10px 20px;
}
.series-options label {
  min-height: 18px;
  font-size: var(--micro-size);
}

/* Maintain asymmetry without breaking the shared visual baseline. */
.chart-card:nth-child(2) .chart-heading,
.chart-card:nth-child(3) .chart-heading {
  border-bottom-width: 2px;
}
.chart-card:nth-child(4) {
  margin-top: 8px;
}
.chart-card:nth-child(4) .chart-heading {
  border-bottom-width: 3px;
}
.performance-grid {
  align-items: end;
}
.performance-metric {
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.performance-metric h3 {
  line-height: 1.15;
}
.performance-value {
  font-variant-numeric: tabular-nums;
}

/* Details are secondary, but line up with the same right edge as the metrics. */
.model-details {
  margin-top: 38px;
}
.coefficients-grid dt,
.coefficient-header,
.model-details summary {
  font-size: var(--micro-size);
}

/* Footer is visually present without becoming another section. */
.site-footer {
  margin-top: clamp(72px, 9vw, 120px);
  padding-top: 8px;
}

/* Tablet: preserve hierarchy but reduce dead space. */
@media (max-width: 900px) {
  :root { --section-space: 64px; }
  .section-register { margin-bottom: 18px; }
  .current-panel { gap: 32px; }
  .measurement-matrix { gap: 22px 24px; }
  .charts-grid { gap: 38px; }
  .chart-card:nth-child(4) { margin-top: 0; }
  .performance-metric { min-height: 112px; }
}

/* Mobile is deliberately composed rather than simply collapsed. */
@media (max-width: 620px) {
  :root {
    --section-space: 52px;
    --micro-size: .575rem;
  }
  .site-shell {
    padding-inline: 16px;
  }
  .masthead {
    padding-top: 12px;
    padding-bottom: 14px;
    border-bottom-width: 3px;
  }
  .wordmark {
    margin-bottom: 22px;
    font-size: clamp(6rem, 28vw, 8.8rem);
  }
  .masthead-meta {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 14px;
    align-items: baseline;
  }
  .masthead-meta .station-name,
  .masthead-meta .technical-meta {
    grid-column: 1;
  }
  .masthead-meta #todayLabel,
  .masthead-meta .refresh-button {
    grid-column: 2;
    justify-self: end;
  }
  .section-register {
    margin-bottom: 14px;
    padding-bottom: 5px;
    border-bottom-width: 2px;
  }
  .current-register { border-bottom-width: 3px; }
  .section-number {
    font-size: 3.9rem;
  }
  .temperature-reading > span:first-child {
    font-size: clamp(6.8rem, 31vw, 9.8rem);
  }
  .primary-reading-foot {
    margin-top: 12px;
  }
  .measurement-matrix {
    gap: 20px;
  }
  .measurement-row,
  .measurement-row:nth-child(1),
  .measurement-row:nth-child(2),
  .measurement-row:nth-child(3),
  .measurement-row:nth-child(4),
  .measurement-row:nth-child(5),
  .measurement-row:nth-child(6) {
    padding-top: 7px;
  }
  .measurement-row:nth-child(2) .measurement-value {
    font-size: clamp(3.7rem, 17vw, 5.5rem);
  }
  .measurement-row:nth-child(1) .measurement-value,
  .measurement-row:nth-child(4) .measurement-value,
  .measurement-row:nth-child(6) .measurement-value {
    font-size: clamp(2.7rem, 13vw, 4.2rem);
  }
  .measurement-row:nth-child(3) .measurement-value,
  .measurement-row:nth-child(5) .measurement-value {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
  }
  .chart-toolbar {
    overflow-x: auto;
    scrollbar-width: none;
    margin-bottom: 14px;
  }
  .chart-toolbar::-webkit-scrollbar { display: none; }
  .series-options {
    flex-wrap: nowrap;
    min-width: max-content;
    margin-left: 0;
  }
  .chart-card:nth-child(1) .chart-heading h3 {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }
  .chart-card:nth-child(1) .plot-navigation,
  .chart-card:nth-child(2) .plot-navigation,
  .chart-card:nth-child(3) .plot-navigation,
  .chart-card:nth-child(4) .plot-navigation {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 6px 12px;
    align-items: center;
  }
  .period-strip {
    grid-column: 1 / -1;
    order: 2;
    gap: 10px;
  }
  .plot-page-buttons {
    justify-self: end;
  }
  .chart-card:nth-child(1) .chart { height: 300px; }
  .chart-card:nth-child(2) .chart,
  .chart-card:nth-child(3) .chart,
  .chart-card:nth-child(4) .chart { height: 230px; }
  .performance-grid {
    gap: 22px;
  }
  .performance-metric {
    min-height: 0;
  }
  .performance-metric:nth-child(4) .performance-value {
    font-size: clamp(4rem, 20vw, 6.2rem);
  }
  .model-details {
    margin-top: 32px;
  }
}


/* Full-screen chart focus mode. */
body.chart-fullscreen-open {
  overflow: hidden;
}

.chart-card .chart {
  cursor: zoom-in;
}

.chart-fullscreen-close {
  position: absolute;
  top: 10px;
  right: 16px;
  z-index: 3;
  display: block;
  width: auto;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(5rem, 9vw, 9rem);
  font-weight: 300;
  line-height: .65;
  letter-spacing: -.08em;
  cursor: pointer;
}

.chart-fullscreen-close[hidden] {
  display: none;
}

.chart-card.is-fullscreen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 1000;
  box-sizing: border-box;
  display: flex !important;
  flex-direction: column;
  width: 100vw !important;
  height: 100dvh !important;
  max-width: none !important;
  margin: 0 !important;
  padding: clamp(16px, 2vw, 28px) clamp(18px, 2.5vw, 36px) clamp(14px, 2vw, 24px) !important;
  overflow: hidden;
  background: var(--page);
  transform: none !important;
}

.chart-card.is-fullscreen .chart-heading {
  flex: 0 0 auto;
  padding-right: clamp(84px, 10vw, 150px);
}

.chart-card.is-fullscreen .plot-navigation,
.chart-card.is-fullscreen .plot-window,
.chart-card.is-fullscreen .plot-coverage,
.chart-card.is-fullscreen .chart-readout {
  flex: 0 0 auto;
}

.chart-card.is-fullscreen .chart {
  flex: 1 1 auto;
  width: 100%;
  min-height: 0;
  height: auto !important;
  margin-top: 4px;
  background: #fff;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
}

.chart-card.is-fullscreen .chart-readout {
  min-height: 34px;
  padding-bottom: 0;
}

@media (max-width: 620px) {
  .chart-card.is-fullscreen {
    padding: 12px 14px 10px !important;
  }

  .chart-card.is-fullscreen .chart-heading {
    padding-right: 72px;
  }

  .chart-card.is-fullscreen .chart-heading h3,
  .chart-card.is-fullscreen:nth-child(1) .chart-heading h3 {
    font-size: clamp(2.8rem, 14vw, 4.5rem);
    line-height: .78;
  }

  .chart-fullscreen-close {
    top: 7px;
    right: 11px;
    font-size: clamp(4.8rem, 21vw, 6.8rem);
  }

  .chart-card.is-fullscreen .chart {
    min-height: 180px;
  }
}


/* Full-screen trace crosshair. */
.chart-card.is-fullscreen .chart-crosshair-line {
  stroke: var(--ink);
  stroke-width: 1.25;
  stroke-dasharray: 4 4;
  vector-effect: non-scaling-stroke;
}

.chart-card.is-fullscreen .chart-crosshair-point {
  vector-effect: non-scaling-stroke;
}

.chart-card.is-fullscreen .chart-readout {
  position: absolute;
  top: var(--overlay-top, 40%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  width: min(44vw, 620px);
  max-width: calc(100vw - 88px);
  min-height: 0;
  margin: 0;
  padding: 12px 16px 14px;
  border-top: 4px solid var(--ink);
  background: rgba(255, 255, 255, .88);
  pointer-events: none;
  box-sizing: border-box;
}

.chart-card.is-fullscreen .chart-readout.overlay-left {
  left: var(--overlay-left-edge, 28px);
  right: auto;
}

.chart-card.is-fullscreen .chart-readout.overlay-right {
  right: var(--overlay-right-edge, 28px);
  left: auto;
}

.chart-card.is-fullscreen .readout-values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.chart-card.is-fullscreen .readout-values span {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.1vw, 3.6rem);
  font-weight: 500;
  line-height: .92;
  letter-spacing: -.045em;
  font-variant-numeric: tabular-nums;
}

.chart-card.is-fullscreen .readout-time {
  white-space: nowrap;
  font-size: clamp(.78rem, 1.05vw, 1rem);
  font-weight: 500;
  letter-spacing: .02em;
}

@media (max-width: 620px) {
  .chart-card.is-fullscreen .chart-readout {
    width: min(72vw, 360px);
    max-width: calc(100vw - 54px);
    padding: 9px 11px 11px;
    border-top-width: 3px;
  }

  .chart-card.is-fullscreen .readout-values {
    gap: 5px 12px;
  }

  .chart-card.is-fullscreen .readout-values span {
    font-size: clamp(1.25rem, 6vw, 1.8rem);
  }

  .chart-card.is-fullscreen .readout-time {
    font-size: .68rem;
  }
}


/* Multi-station controls and comparison views. */
.station-selector {
  display: inline-flex;
  justify-content: flex-end;
  gap: 4px;
  margin: 5px 0 4px;
}
.station-selector button {
  min-height: 30px;
  padding: 4px 8px;
  border: 1px solid #bdbdb9;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: .6875rem;
  letter-spacing: .035em;
}
.station-selector button[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}
.station-selector button:disabled:not([aria-pressed="true"]) { opacity: .38; cursor: default; }

.dual-current-grid,
.dual-calibration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.dual-current-card {
  min-width: 0;
  border: 1px solid #bdbdb9;
  background: var(--panel);
  padding: 20px;
}
.dual-current-card[data-station="ILONDO327"] { border-top: 3px solid #9b5b40; }
.dual-current-card[data-station="ILONDO1066"] { border-top: 3px solid #111111; }
.dual-current-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  font-size: .8125rem;
  letter-spacing: .04em;
}
.dual-temperature {
  display: flex;
  align-items: baseline;
  gap: 3px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.dual-temperature > span:first-child { font-size: clamp(3rem, 5vw, 5rem); letter-spacing: -.065em; }
.dual-measurements { margin: 18px 0 0; border-top: 1px solid var(--line); }
.dual-measurements > div { display: grid; grid-template-columns: minmax(70px, .6fr) 1fr; gap: 12px; padding: 7px 0; border-bottom: 1px solid #dededb; }
.dual-measurements dt { margin: 0; color: var(--muted); font-size: .75rem; }
.dual-measurements dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }

.dual-calibration-grid { margin-top: 18px; }
.dual-calibration-card { border: 1px solid #c9c9c5; padding: 18px; background: var(--panel); }
.dual-calibration-card h3 { margin: 0 0 4px; font-size: .875rem; }
.dual-calibration-card > p { margin: 0 0 12px; color: var(--muted); font-size: .75rem; }
.dual-calibration-card dl { margin: 0; }
.dual-calibration-card dl > div { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-top: 1px solid #dededb; }
.dual-calibration-card dt { color: var(--muted); }
.dual-calibration-card dd { margin: 0; font-variant-numeric: tabular-nums; }

.readout-station {
  flex-basis: 100%;
  margin-top: 4px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: .035em;
}

@media (max-width: 760px) {
  .station-selector { grid-column: 1 / -1; justify-content: flex-start; flex-wrap: wrap; }
  .dual-current-grid, .dual-calibration-grid { grid-template-columns: 1fr; }
  .dual-current-card { padding: 16px; }
}