@font-face{font-family:Barlow;src:url('./fonts/BarlowCondensed.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:Plex;src:url('./fonts/PlexSans.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:Mono;src:url('./fonts/IBMPlexMono-Regular.woff2') format('woff2');font-weight:400;font-display:swap}
:root{--bg:#f7f9fc;--surface:#ffffff;--text-primary:#090d16;--text-secondary:#1e293b;--muted:#475569;--accent:#163a8a;--accent-soft:#e6edf9;--dry:#603d86;--rule:#c4ccd9;--chart-rule:#8491a6;--focus:#714200;--note:#eef0f7;--map:#e3e9f2;--sans:Plex,Arial,sans-serif;--display:Barlow,'Arial Narrow',sans-serif;color-scheme:light}
:root[data-theme=dark]{--bg:#101822;--surface:#172330;--text-primary:#f4f7fd;--text-secondary:#e0e8f4;--muted:#c0cede;--accent:#b2ccff;--accent-soft:#21314a;--dry:#debef7;--rule:#47576d;--chart-rule:#879ab6;--focus:#ffe2a6;--note:#1d2939;--map:#2a3b50;color-scheme:dark}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#101822;--surface:#172330;--text-primary:#f4f7fd;--text-secondary:#e0e8f4;--muted:#c0cede;--accent:#b2ccff;--accent-soft:#21314a;--dry:#debef7;--rule:#47576d;--chart-rule:#879ab6;--focus:#ffe2a6;--note:#1d2939;--map:#2a3b50;color-scheme:dark}}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text-secondary);font-family:var(--sans);font-size:18px;line-height:1.62;-webkit-font-smoothing:antialiased}h1,h2,h3,p,figure{margin:0}h1,h2,h3{color:var(--text-primary);font-kerning:normal}h1,h2{font-family:var(--display);font-weight:600;line-height:1.04;letter-spacing:-.008em}h1{font-size:clamp(70px,7.8vw,112px);line-height:.98}h1 span{color:var(--accent)}h2{font-size:clamp(38px,4vw,54px);max-width:800px}h3{font-size:24px;line-height:1.3;font-weight:600}p+p{margin-top:1em}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,select{font:inherit;color:var(--text-primary);background:var(--surface);border:1px solid var(--chart-rule);border-radius:5px;min-height:46px}button{cursor:pointer;padding:9px 14px;font-size:15px;font-weight:500}button:hover:not(:disabled){background:var(--accent-soft)}button:disabled{cursor:default}select{padding:10px 32px 10px 12px;max-width:100%;width:100%;font-size:16px}a,button,select,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}svg{max-width:100%;display:block}svg text{font-family:var(--sans);fill:var(--muted)}svg .ink{fill:var(--accent)}svg .track{fill:var(--rule)}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:absolute;left:20px;top:-100px;z-index:9;background:var(--surface);padding:15px}.skip:focus{top:10px}.masthead{max-width:1200px;margin:auto;min-height:95px;padding:20px 32px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--rule)}.author{font-size:16px;font-weight:600;text-decoration:none;color:var(--text-primary)}.series{font-size:13px;color:var(--muted)}.head-actions{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14px}.head-actions a{padding:10px 0}.head-actions button{font-size:13px;min-width:112px;border-color:var(--rule)}main{max-width:1200px;margin:auto;padding:0 32px}.hero{padding:68px 0 42px;display:grid;grid-template-columns:1.13fr 1fr;column-gap:72px}.eyebrow{text-transform:uppercase;font-size:12px;line-height:1.6;letter-spacing:.11em;font-weight:600;color:var(--accent);margin-bottom:17px}.hero .lead{font-size:19px;line-height:1.6;max-width:540px;margin-top:27px}.hero-links{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:25px;font-size:14px}.primary-link{font-weight:600}.primary-link span{margin-left:10px}.hero-evidence{align-self:center;position:relative;padding:24px 0 0 39px;border-left:2px solid var(--accent)}.ruler{position:absolute;left:-1px;top:0;width:20px;bottom:0;display:flex;flex-direction:column;justify-content:space-between}.ruler span{height:1px;width:10px;background:var(--accent)}.ruler span:nth-child(7n+1){width:20px}.hero-values{display:grid;grid-template-columns:1fr 1fr;gap:20px}.hero-values>div{display:flex;flex-direction:column;align-items:flex-start;font-size:16px}.big-number{font-family:var(--display);font-weight:500;font-size:88px;line-height:1.1;letter-spacing:-.025em;color:var(--accent)}.hero-values>div:first-child .big-number{color:var(--dry)}.micro{font:12px/1.55 Mono,monospace;color:var(--muted);letter-spacing:.015em}.hero-values .micro{margin-top:9px}.hero-evidence figcaption{font-size:13px;line-height:1.6;margin-top:27px;color:var(--muted)}.hero-evidence figcaption a{display:block;margin-top:12px}.hero-answer{grid-column:1/-1;max-width:790px;margin-top:50px;padding-left:20px;border-left:3px solid var(--dry)}.hero-answer>p:first-child{font-size:21px;line-height:1.5;color:var(--text-primary)}.small{font-size:14px;line-height:1.6;color:var(--muted)}.hero-answer .small{margin-top:8px}.prose{max-width:740px;margin:0 auto}.prose>p{margin-top:22px}.prose>h2:not(:first-child){margin-top:66px}.intro{padding:12px 0 65px}.section-heading{max-width:740px;margin-bottom:28px}.section-heading>p:last-child{margin-top:18px;max-width:670px}.calculator{background:var(--surface);padding:46px 42px 35px;border:1px solid var(--rule);border-top:4px solid var(--accent);border-radius:0 0 8px 8px}.calculator .section-heading{margin-bottom:34px}fieldset{border:0;padding:0;margin:0;min-width:0}.select-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:21px 28px}.select-grid label,.timing>label{display:block;font-size:14px;font-weight:500;line-height:1.4}.select-grid select,.timing select{display:block;margin-top:8px}.threshold-note{font-size:13px;line-height:1.6;color:var(--muted);margin-top:19px;max-width:850px}.timing{display:flex;align-items:end;gap:42px;border-top:1px solid var(--rule);padding-top:24px;margin-top:26px}.timing>label{width:270px}.window-controls legend{font-size:14px;margin-bottom:8px;font-weight:500}.window-controls>div{display:flex;gap:8px}.window-controls button{padding:10px 19px}.window-controls button[aria-pressed=true]{background:var(--accent);color:var(--surface);border-color:var(--accent)}:root[data-theme=dark] .window-controls button[aria-pressed=true]{color:var(--bg)}.status{font-size:14px;margin-top:15px;color:var(--accent);min-height:22px}.status:empty{margin-top:10px;min-height:0}.result-main{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:30px 0 27px;align-items:center}.result-number{font-family:var(--display);font-size:108px;line-height:1.06;font-weight:500;color:var(--accent);font-variant-numeric:tabular-nums;margin-top:5px}#result-definition{font-size:16px;max-width:320px;margin-top:9px}.result-evidence p{font-size:16px}.result-evidence strong{color:var(--text-primary);font-weight:600}#result-warning{font-size:13px}.deadline-figure{border-block:1px solid var(--rule);padding:18px 0 23px}.deadline-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin-top:15px}.deadline{display:flex;flex-direction:column;gap:6px;font-size:14px}.deadline strong{font-size:27px;font-weight:500;color:var(--text-primary);font-variant-numeric:tabular-nums}.deadline.selected strong{color:var(--accent);text-decoration:underline;text-underline-offset:5px}.deadline svg{width:100%;margin:3px 0}.references{display:flex;gap:22px;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--muted);margin-top:17px}.references p{max-width:230px;margin:0}.references strong{display:block;color:var(--text-primary);font-size:18px;font-weight:500}.references a{margin-left:auto}.calc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.calc-actions button{border-color:var(--rule);font-size:13px}.curve-figure{border-top:1px solid var(--rule);margin-top:35px;padding-top:30px}.curve-figure>p{font-size:15px;max-width:720px;margin-top:13px}.curve-figure svg{width:100%;margin-top:22px;overflow:visible}.curve-figure figcaption{margin-top:18px}.axis{stroke:var(--chart-rule);stroke-width:1}.gridline{stroke:var(--rule);stroke-width:1}.data-line{fill:none;stroke:var(--accent);stroke-width:2.3}.error-bar{stroke:var(--accent);stroke-width:1.5}.data-point{fill:var(--accent);stroke:var(--surface);stroke-width:2}.selected-point{fill:var(--dry);stroke:var(--surface);stroke-width:2}.age-marker{stroke:var(--dry);stroke-width:1;stroke-dasharray:3 5}details{margin-top:24px;border-block:1px solid var(--rule);padding:12px 0}details+details{border-top:0}summary{cursor:pointer;font-size:15px;padding:8px 5px 8px 0;color:var(--text-primary);font-weight:500}details p{font-size:16px;margin:18px 0}.table-scroll{overflow:auto;margin-top:14px}table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums}th,td{padding:12px 14px 12px 0;text-align:left;border-bottom:1px solid var(--rule);vertical-align:top}th{font-weight:500;color:var(--text-primary)}thead th{font-size:12px;color:var(--muted)}tbody tr:last-child th,tbody tr:last-child td{border:0}.interpretation,.comparison,.paper,.method,.review{padding-top:76px}.logic{padding:24px 26px;background:var(--note);border-left:3px solid var(--dry);margin-top:30px}.logic h3{font-size:20px}.logic p{font-size:16px;margin-top:14px}.comparison .eyebrow{margin-top:0}.comparison-rows{margin-top:25px;border-top:1px solid var(--chart-rule)}.comparison-row{display:grid;grid-template-columns:1.15fr .8fr 1fr;gap:18px;border-bottom:1px solid var(--rule);padding:23px 0;font-size:16px}.comparison-row>p{align-self:center}.comparison-row>div{display:flex;flex-direction:column;gap:8px}.comparison-row strong{color:var(--accent);font-size:28px;font-weight:500}.comparison-row span{font-size:12px;color:var(--muted);line-height:1.6}.takeaway{border-left:3px solid var(--dry);padding-left:20px;color:var(--text-primary)}.atlas{margin-top:82px;padding:45px 0 0;border-top:1px solid var(--rule)}.atlas .section-heading{margin-inline:auto}.atlas-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:55px;align-items:center}.station-map svg{width:100%}.map-outline{fill:var(--map);stroke:var(--chart-rule);stroke-width:1}.map-point{fill:var(--accent);stroke:var(--surface);stroke-width:1.7}.map-point.selected{fill:var(--dry)}.station-map figcaption{padding-left:20px;font-size:12px}.atlas-range{display:grid;grid-template-columns:1fr 1fr;gap:20px}.atlas-range>div{display:flex;flex-direction:column}.atlas-range strong{font-family:var(--display);font-size:65px;font-weight:500;line-height:1.25;color:var(--accent)}.atlas-range>p{grid-column:1/-1;font-size:14px;line-height:1.7}.all-stations{max-width:740px;margin:28px auto 0}.coverage{padding-top:30px}.coverage h3{font-size:25px}.coverage p{font-size:16px}.coverage a{display:inline-block;margin-top:12px;font-size:14px}.source-links{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}.method .eyebrow,.paper .eyebrow,.review .eyebrow{margin-top:0}.formula{display:flex;align-items:center;justify-content:center;gap:22px;margin:32px 0 15px;padding:26px 10px;font-family:Mono,monospace;color:var(--accent);background:var(--note);font-size:18px}.fraction{display:flex;flex-direction:column;text-align:center;font-family:var(--sans);font-size:17px}.fraction span:first-child{border-bottom:1px solid var(--accent);padding:0 8px 9px}.fraction span:last-child{padding:9px 8px 0}.method-steps{padding-left:26px}.method-steps li{padding-left:8px;margin-top:22px;font-size:16px}.method-steps li::marker{color:var(--accent);font-family:Mono,monospace;font-size:14px}.method h3{margin-top:36px}.downloads{padding-left:0;list-style:none;margin-top:18px}.downloads li{font-size:15px;padding:13px 0;border-bottom:1px solid var(--rule)}.review ul{padding-left:22px}.review li{margin-top:18px;font-size:16px}.review>a{display:inline-block;margin-top:20px;font-size:15px}footer{max-width:1200px;margin:85px auto 0;border-top:1px solid var(--rule);padding:30px 32px 45px;display:flex;flex-wrap:wrap;gap:20px;font-size:12px;color:var(--muted)}footer p{margin-right:auto}footer a{color:var(--muted)}.notice{padding:15px;background:var(--note);font-size:14px;margin-bottom:25px}#result.ineligible .result-main{display:block}#result.ineligible .result-number{font-family:var(--sans);font-size:28px;line-height:1.3}#result.ineligible .result-evidence{margin-top:20px}
@media(min-width:1500px){.hero{padding-top:82px}}
@media(max-width:800px){.masthead{min-height:80px;padding:16px 24px}.series{display:none}main{padding:0 24px}.hero{grid-template-columns:1fr 1fr;gap:32px;padding-top:48px}h1{font-size:76px}.hero .lead{font-size:17px}.hero-values{grid-template-columns:1fr}.hero-values>div{display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:12px}.hero-values .micro{grid-column:2;margin-top:0}.big-number{font-size:65px;grid-row:span 2}.hero-evidence{padding-left:25px}.hero-answer{margin-top:15px}.calculator{padding:32px 25px}.timing{gap:20px}.window-controls button{padding:10px}.atlas-grid{gap:25px}.atlas-range{gap:10px}.atlas-range strong{font-size:52px}}
@media(max-width:560px){body{font-size:17px;line-height:1.66}.masthead{padding:14px 18px;min-height:75px;gap:10px}.author{font-size:13px}.head-actions{gap:14px;font-size:12px}.head-actions button{min-width:101px;font-size:12px;padding:8px}.head-actions a{min-height:44px;display:flex;align-items:center}main{padding:0 20px}.hero{display:block;padding:32px 0 26px}.eyebrow{font-size:10px;letter-spacing:.09em;margin-bottom:14px}h1{font-size:60px;line-height:.98}h2{font-size:39px}h3{font-size:23px}.hero .lead{font-size:16px;line-height:1.65;margin-top:20px}.hero-links{margin-top:18px;gap:17px;font-size:13px}.hero-evidence{margin-top:34px;padding:0 0 0 24px}.hero-values{grid-template-columns:1fr 1fr;gap:10px}.hero-values>div{display:flex;align-items:flex-start;font-size:13px}.big-number{font-size:71px}.hero-values .micro{font-size:11px;margin-top:5px}.hero-evidence figcaption{font-size:11px;line-height:1.65;margin-top:15px}.hero-evidence figcaption a{margin-top:8px}.hero-answer{margin-top:28px;padding-left:15px}.hero-answer>p:first-child{font-size:18px}.hero-answer .small{font-size:12px}.intro{padding:12px 0 40px}.prose>p{margin-top:18px}.calculator{margin:0 -8px;padding:27px 18px 24px}.section-heading{margin-bottom:23px}.section-heading>p:last-child{font-size:16px}.select-grid{grid-template-columns:1fr;gap:17px}.select-grid label,.timing>label,.window-controls legend{font-size:13px}select{min-height:49px}.threshold-note{font-size:12px;line-height:1.65;margin-top:18px}.timing{display:block;padding-top:21px;margin-top:22px}.timing>label{width:100%}.window-controls{margin-top:21px}.window-controls>div{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.window-controls button{font-size:13px;padding:10px 4px}.result-main{display:block;padding:25px 0 22px}.result-number{font-size:96px}#result-context{font-size:11px}#result-definition{font-size:15px}.result-evidence{margin-top:23px}.result-evidence p{font-size:14px}.deadline-grid{gap:11px}.deadline{font-size:12px}.deadline strong{font-size:22px;letter-spacing:-.03em}.deadline .micro{font-size:10px}.references{gap:14px;font-size:11px}.references p{width:46%}.references a{margin-left:0;font-size:12px}.references strong{font-size:17px}.calc-actions{gap:8px}.calc-actions button{font-size:12px;padding:9px 11px}.curve-figure{margin-top:28px;padding-top:24px}.curve-figure>p{font-size:13px}.curve-figure svg{margin-top:18px}.curve-figure figcaption{font-size:12px}.curve-figure h3{font-size:23px}summary{font-size:13px}th,td{padding:11px 10px 11px 0;font-size:12px}.interpretation,.comparison,.paper,.method,.review{padding-top:52px}.logic{padding:21px 18px}.logic p{font-size:14px}.logic h3{font-size:20px}.comparison-row{grid-template-columns:1fr 1fr;gap:13px;padding:20px 0}.comparison-row>p{grid-column:1/-1;font-size:15px}.comparison-row strong{font-size:27px}.comparison-row span{font-size:11px}.atlas{margin-top:55px;padding-top:34px}.atlas-grid{display:flex;flex-direction:column;gap:27px}.station-map{width:100%;max-width:390px}.station-map figcaption{padding-left:0;font-size:10px}.atlas-range{width:100%;gap:15px}.atlas-range strong{font-size:65px}.atlas-range>div>span:first-child{font-size:14px}.atlas-range>p{font-size:13px}.coverage p{font-size:15px}.coverage h3{font-size:23px}.prose>h2:not(:first-child){margin-top:49px}.source-links{font-size:13px}.formula{font-size:15px;gap:14px;padding:20px 8px}.fraction{font-size:15px}.method-steps{padding-left:22px}.method-steps li{font-size:14px;padding-left:4px;margin-top:18px}.small{font-size:13px}.downloads li{font-size:13px}.review li{font-size:14px}.review>a{font-size:14px}footer{margin-top:55px;padding:25px 20px 35px;gap:15px}footer p{flex-basis:100%;font-size:11px}.curve-figure .small{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media print{.head-actions,.hero-links,#controls,.calc-actions{display:none}body{background:white;color:black;font-size:11pt}.hero{padding-top:20px}main{max-width:none}.calculator{break-inside:avoid}.prose{max-width:100%}a{color:inherit}.interpretation,.comparison,.paper,.method,.review{padding-top:30px}}

.evidence-label{font-size:12px;line-height:1.5;color:var(--text-secondary);margin-bottom:13px;max-width:390px}.conditions{margin:24px 0 0}.conditions>summary{padding:10px 0;min-height:44px}.conditions .select-grid{margin-top:20px}.calculator .timing{border-top:0;margin-top:0;padding-top:0}.research-page{padding-top:48px;padding-bottom:50px}.research-page h1{font-size:60px;line-height:1.08;margin-bottom:26px}.research-page h2{font-size:34px;margin:45px 0 20px}.research-page p,.research-page li{font-size:17px}.research-page ul{padding-left:22px}.research-page li{margin:10px 0}.research-page pre{overflow:auto;font-size:14px;background:var(--note);padding:18px}.research-page table{width:100%}@media(max-width:560px){.evidence-label{font-size:11px;margin-bottom:11px}.hero-evidence{margin-top:26px}.research-page h1{font-size:46px}.research-page p,.research-page li{font-size:16px}}

/* Revision 2: put place and season before the controls; expose the historical cohort. */
.location-controls{margin-bottom:25px}.calculator .timing{border-top:1px solid var(--rule);padding-top:22px}.result-context,#result-context{font:500 15px/1.6 var(--sans);color:var(--text-primary)}
.hero{column-gap:50px}.hero .lead{font-size:18px}.hero-evidence .evidence-label{font-size:15px;font-weight:500}.hero-evidence figcaption{font-size:14px}.hero-evidence figcaption a{font-size:13px}
#references{margin-top:18px}#references .references{margin:14px 0}#references>a{font-size:14px}#references>p{font-size:14px;max-width:780px}
.history-section{margin:75px auto 0;max-width:900px;padding-top:38px;border-top:1px solid var(--rule)}.history-section .section-heading{margin-inline:auto}.history-section>.small{margin-top:20px;max-width:740px}.history-section>a{display:inline-block;margin-top:12px}.history-table{min-width:580px}.rain-amount{display:block;font-size:12px;color:var(--muted);margin-top:3px}.history-section .table-scroll{scrollbar-color:var(--chart-rule) var(--surface)}
@media(max-width:560px){.hero .lead{font-size:16px;line-height:1.55}.hero-evidence .evidence-label{font-size:13px}.hero-evidence figcaption{font-size:12px;line-height:1.5}.hero-evidence figcaption a{font-size:12px}.hero-evidence{margin-top:22px}.hero-answer{margin-top:25px}.hero-answer>p:first-child{font-size:16px}.history-section{margin-top:52px;padding-top:28px}.history-table{min-width:530px}.history-table th,.history-table td{font-size:13px}.history-section .small{font-size:13px}.result-context,#result-context{font-size:14px}}

.compact-history{min-width:0}.history-rain{padding-left:18px;border-left:3px solid var(--dry)}@media(max-width:560px){.compact-history th,.compact-history td{font-size:13px;padding-right:10px}.compact-history td:last-child{padding-right:0;min-width:60px}.compact-history time{white-space:nowrap}}

.references p>span{display:block;line-height:1.6;margin-top:6px}.references p{max-width:340px;flex:1;min-width:220px}@media(max-width:560px){.references p{width:100%;min-width:0;flex-basis:100%}}