/* Brief uses the existing guide typography and theme tokens. */
.brief-page{--color-text-muted:var(--color-text)}
.brief-page.guide{max-width:920px;padding-top:64px}
.brief-page .lede{max-width:660px;margin-top:24px;margin-bottom:32px}
.brief-preview{display:flex;align-items:flex-start;gap:16px;border-block:1px solid var(--color-border-subtle);padding:20px 0;margin-bottom:56px}
.brief-preview p{font-size:14px;line-height:1.6;margin:0;max-width:490px}
.trust-label{display:inline-flex;align-items:center;min-height:28px;padding:5px 10px;border:1px solid currentColor;border-radius:99px;font-size:12px;line-height:1.3;font-weight:600;white-space:nowrap;color:var(--color-text)}
.edition-meta{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:13px;line-height:1.6}
.brief-edition #edition-title{font-size:clamp(30px,4.7vw,46px);line-height:1.12;letter-spacing:-.035em;margin:20px 0}
.edition-intro{max-width:610px;font-size:20px;line-height:1.5;margin-bottom:32px}
.brief-point{padding:30px 0;border-top:1px solid var(--color-border-subtle)}
.brief-page h3{font-size:23px;line-height:1.3;letter-spacing:-.02em;margin:16px 0 12px}
.brief-point p{max-width:690px}
.brief-source{display:inline-flex;align-items:center;min-height:44px;font-size:14px;line-height:1.6}
.brief-point .claim-note{font-size:14px;line-height:1.6}
.brief-watch{background:var(--color-control-bg);border-radius:var(--radius-control);padding:28px;margin:12px 0 40px}
.brief-watch .eyebrow{margin-bottom:12px}.brief-watch h3{margin-top:0}
.brief-method{border-block:1px solid var(--color-border-subtle);padding:8px 0}
.brief-method summary{cursor:pointer;font-weight:600;min-height:56px;padding:18px 0;line-height:1.5}
.brief-method dl{margin:12px 0 24px}.brief-method dt{font-weight:600;margin-top:20px}.brief-method dd{margin:8px 0;font-size:16px;line-height:1.6;max-width:690px}
.brief-method p{font-size:14px;line-height:1.7}.brief-method>a{display:inline-flex;align-items:center;min-height:48px;margin-bottom:16px}
.brief-page a:focus-visible,.brief-method summary:focus-visible{outline:2px solid currentColor;outline-offset:5px;border-radius:3px}
.brief-archive h2{margin-top:40px}
.home-brief{padding:48px 32px;border-block:1px solid var(--color-border-subtle);margin:0;color:var(--color-text)}
.home-brief .brief-kicker{font-size:14px;font-weight:600;margin-bottom:16px}.home-brief h2{font-size:clamp(30px,4vw,48px);line-height:1.1;letter-spacing:-.035em;margin:0 0 16px}.home-brief p{font-size:18px;line-height:1.6;max-width:640px;margin:0 0 20px}.home-brief a{display:inline-flex;align-items:center;min-height:48px;font-size:16px;font-weight:600;color:inherit;text-underline-offset:5px}.home-brief a:focus-visible{outline:2px solid currentColor;outline-offset:5px}
@media(max-width:767px){.brief-page.guide{padding-top:40px}.brief-preview{flex-direction:column;gap:12px;margin-bottom:36px}.brief-watch{padding:22px}.home-brief{padding:32px 20px}}

/* Quiet reading surfaces keep long passages off the saturated page background. */
.brief-page{--brief-reading-surface:color-mix(in srgb,#fff 96%,var(--color-page-bg));--brief-secondary-surface:color-mix(in srgb,#fff 88%,var(--color-page-bg))}
[data-theme="dark"] .brief-page{--brief-reading-surface:var(--color-control-bg);--brief-secondary-surface:var(--color-control-bg)}
.brief-edition{background:var(--brief-reading-surface);border:1px solid var(--color-border-subtle);border-radius:24px;padding:40px;margin-bottom:24px}
.brief-edition .brief-watch{margin-bottom:0}
.brief-method{background:var(--brief-secondary-surface);border:1px solid var(--color-border-subtle);border-radius:var(--radius-control);padding:8px 28px}
.brief-archive{background:var(--brief-secondary-surface);border:1px solid var(--color-border-subtle);border-radius:var(--radius-control);padding:28px;margin-top:24px}
.brief-archive h2{margin-top:0}
.brief-archive p:last-child{margin-bottom:0}
@media(max-width:767px){.brief-edition{padding:24px 20px;border-radius:20px}.brief-method{padding:8px 20px}.brief-archive{padding:24px 20px}.brief-edition .brief-watch{padding:20px}.brief-point{padding:24px 0}}

/* A neutral, paper-like canvas for the Brief's longer reading experience. */
html:has(.brief-page){--color-page-bg:#f5f5f3;--color-heading:#202020;--color-text:#202020;--color-text-muted:#555;--color-border-subtle:rgba(0,0,0,.12);--color-control-bg:rgba(0,0,0,.035);--price-up:#db1e20;--price-down:#008c61}
html[data-theme="dark"]:has(.brief-page){--color-page-bg:#242424;--color-heading:#ededeb;--color-text:#ededeb;--color-text-muted:#c3c3c0;--color-border-subtle:rgba(255,255,255,.14);--color-control-bg:rgba(255,255,255,.035);--price-up:#f56163;--price-down:#4acf8f}
[data-theme="dark"] .digest-price-icon img{filter:invert(1)}
.brief-page{--brief-reading-surface:transparent;--brief-secondary-surface:transparent;font-family:var(--font-sans)}
[data-theme="dark"] .brief-page{--brief-reading-surface:transparent;--brief-secondary-surface:transparent}
.brief-edition{border:0;border-radius:0;border-top:1px solid var(--color-border-subtle);padding:32px 0;margin-bottom:24px}
.brief-method{border-inline:0;border-radius:0;padding:8px 0}
.brief-archive{border:0;border-radius:0;padding:24px 0;margin-top:8px}
body:has(.brief-page) .shared-brand img{filter:none}
.brief-page .trust-label{border-color:var(--color-border-subtle);background:var(--color-control-bg)}
@media(max-width:767px){.brief-edition{padding:24px 0}.brief-method{padding:8px 0}.brief-archive{padding:24px 0}}

/* DIGEST: a playful newspaper front page, with the source labels intact. */
.brief-page.guide{max-width:1240px;padding-top:30px}
.digest-masthead{display:grid;grid-template-columns:1fr 2.5fr 1fr;align-items:center;gap:24px;padding:16px 0 32px}
.digest-date{display:flex;gap:12px;align-items:center;font-size:13px;line-height:1.65}.digest-day{font-size:76px;line-height:1;letter-spacing:-.08em;font-weight:600}.digest-date b{font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.digest-name{text-align:center}.digest-name h1{font-size:clamp(74px,10.5vw,144px);line-height:.95;letter-spacing:-.085em;font-weight:600;margin:0;padding-right:.08em}.digest-name p{font-size:19px;margin:12px 0 0;letter-spacing:.08em}
.digest-stamp{justify-self:end;display:flex;flex-direction:column;justify-content:center;width:142px;height:142px;border:1px solid currentColor;border-radius:50%;text-align:center;transform:rotate(9deg);gap:8px}.digest-stamp span{font-size:9px;font-weight:600;letter-spacing:.1em}.digest-stamp b{font-size:22px;line-height:1.05;letter-spacing:-.04em}
.digest-strip{display:flex;justify-content:space-between;gap:16px;border-top:3px solid currentColor;border-bottom:1px solid currentColor;padding:12px 0;font-size:11px;font-weight:600;letter-spacing:.065em;line-height:1.5}.digest-strip a{font-size:inherit}
.digest-price{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-areas:'place value change' 'meta meta meta';align-items:center;gap:18px 32px;padding:26px 0;border-bottom:3px solid currentColor}.digest-price p{margin:0}.digest-price-place{grid-area:place;display:flex;align-items:center;gap:16px}.digest-price-place>span:last-child{display:flex;flex-direction:column;gap:3px}.digest-price-place b{font-size:17px}.digest-price-place small,.digest-price-value span,.digest-price-change span{font-size:10px;line-height:1.4;text-transform:uppercase;letter-spacing:.09em}.digest-price-icon{display:flex;align-items:center;justify-content:center;width:76px;height:58px;border:1px solid var(--color-border-subtle);border-radius:50%}.digest-price-icon img{display:block;width:55px;height:auto}.digest-price-value{grid-area:value;display:flex;align-items:baseline;gap:10px}.digest-price-value strong{font-size:clamp(42px,5vw,68px);line-height:.9;letter-spacing:-.065em}.digest-price-change{grid-area:change;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.digest-price-change strong{font-size:clamp(25px,3vw,40px);line-height:1;letter-spacing:-.045em}.digest-price-change--up strong{color:var(--price-up)}.digest-price-change--down strong{color:var(--price-down)}.digest-price-meta{grid-area:meta;display:flex;gap:10px 24px;flex-wrap:wrap;font-size:11px;line-height:1.5}.digest-price-meta span:first-child{font-weight:700;text-transform:uppercase;letter-spacing:.08em}.digest-price-meta a{margin-left:auto;font-size:inherit}.digest-price-meta a:focus-visible{outline:2px solid currentColor;outline-offset:4px}
.brief-preview{margin:0;padding:16px 0 26px;border:0;align-items:center}.brief-preview p{max-width:none;font-size:12px}.trust-label{font-size:10px;letter-spacing:.02em}
.brief-edition{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.1fr) minmax(0,1fr);grid-template-areas:'fact lead impact' 'watch lead uncertain';gap:32px 28px;padding:28px 0 36px;border-top:1px solid var(--color-border-subtle)}
.digest-lead{grid-area:lead;text-align:center;border-inline:1px solid var(--color-border-subtle);padding:0 28px}.brief-point:has(#fact-title){grid-area:fact}.brief-point:has(#impact-title){grid-area:impact}.brief-point:has(#uncertain-title){grid-area:uncertain}.brief-watch{grid-area:watch}
.brief-point{padding:0;border:0}.brief-page h3{font-size:25px;line-height:1.13;letter-spacing:-.035em;margin:14px 0}.brief-point p,.brief-watch p{font-size:15px;line-height:1.65}.brief-point .claim-note{font-size:12px}.brief-source{font-size:12px;line-height:1.6;min-height:44px}.brief-point .trust-label{border-radius:3px}
.brief-edition #edition-title{font-size:clamp(34px,4.1vw,55px);line-height:1.03;letter-spacing:-.055em;margin:24px 0}.brief-edition #edition-title em{font-weight:500}.edition-intro{font-size:18px;line-height:1.6;margin-bottom:24px}.edition-meta{font-size:11px;justify-content:center;gap:6px 12px}.digest-read{display:inline-flex;min-height:48px;align-items:center;margin-top:16px;font-size:13px}
.digest-featured{display:flex;align-items:center;gap:14px;font-size:11px;letter-spacing:.16em;margin:24px 0 0}.digest-featured::before,.digest-featured::after{content:'';height:1px;background:currentColor;flex:1}
.digest-art{position:relative;display:flex;align-items:center;justify-content:center;min-height:280px;overflow:hidden;background:radial-gradient(var(--color-border-subtle) 1px,transparent 1px);background-size:7px 7px;border-block:1px solid var(--color-border-subtle)}
.digest-art img{width:150px;height:150px;filter:none;transform:rotate(-12deg);position:relative}.art-orbit{position:absolute;width:240px;height:140px;border:1px solid currentColor;border-radius:50%;transform:rotate(-30deg)}.art-word{position:absolute;font-size:13px;font-weight:600;letter-spacing:.08em;background:var(--color-page-bg);padding:6px 10px;border:1px solid currentColor;z-index:1}.art-word-one{top:30px;left:16px;transform:rotate(-8deg)}.art-word-two{bottom:53px;right:6px;transform:rotate(7deg)}.art-caption{position:absolute;bottom:12px;font-size:8px;letter-spacing:.13em;background:var(--color-page-bg);padding:5px}
.brief-edition .brief-watch{background:transparent;padding:22px 0 0;border-top:1px solid currentColor;border-radius:0;margin:0}.brief-watch .eyebrow{font-size:10px}.brief-watch a{display:inline-flex;align-items:center;min-height:44px;font-size:12px}
.brief-method{border-top:3px solid currentColor}.brief-method summary{font-size:15px}.brief-method dl{display:grid;grid-template-columns:150px 1fr;gap:14px 24px}.brief-method dt,.brief-method dd{margin:0}.brief-method dd{max-width:760px}.brief-archive h2{font-size:22px}.brief-archive p{font-size:15px}
@media(max-width:1000px) and (min-width:768px){.digest-stamp{width:110px;height:110px}.digest-stamp b{font-size:18px}.digest-stamp span{font-size:7px}.digest-date{gap:8px;font-size:11px}.digest-day{font-size:58px}.brief-edition{gap:24px 18px;grid-template-columns:1fr 1.65fr 1fr}.digest-lead{padding:0 18px}.brief-page h3{font-size:21px}.digest-art{min-height:230px}.digest-art img{width:120px;height:120px}}
@media(max-width:767px){.brief-page.guide{padding-top:16px}.digest-masthead{grid-template-columns:1fr 1fr;gap:20px;padding:8px 0 24px}.digest-name{grid-column:1/-1;grid-row:1}.digest-name h1{font-size:clamp(66px,20vw,130px)}.digest-name p{font-size:15px;margin-top:8px}.digest-date{font-size:11px}.digest-day{font-size:52px}.digest-stamp{width:94px;height:94px;gap:5px}.digest-stamp b{font-size:17px}.digest-stamp span{font-size:6px}.digest-strip{font-size:9px;flex-wrap:wrap;gap:8px}.digest-strip a{flex-basis:100%}.digest-price{grid-template-columns:1fr 1fr;grid-template-areas:'place place' 'value change' 'meta meta';gap:20px 14px;padding:22px 0}.digest-price-place{gap:12px}.digest-price-icon{width:64px;height:48px}.digest-price-icon img{width:46px}.digest-price-value{display:block}.digest-price-value strong{display:block;font-size:48px}.digest-price-change strong{font-size:30px}.digest-price-meta{gap:8px 14px}.digest-price-meta a{margin-left:0;flex-basis:100%;min-height:32px;display:inline-flex;align-items:center}.brief-preview{align-items:flex-start;padding:18px 0;gap:10px}.brief-edition{grid-template-columns:1fr;grid-template-areas:'lead' 'fact' 'impact' 'uncertain' 'watch';gap:28px;padding-top:24px}.digest-lead{padding:0 0 28px;border:0;border-bottom:1px solid currentColor}.digest-art{min-height:240px}.brief-edition #edition-title{font-size:40px}.brief-point{padding:0 0 22px;border-bottom:1px solid var(--color-border-subtle)}.brief-point p,.brief-watch p{font-size:17px}.brief-page h3{font-size:26px}.brief-source{font-size:13px}.brief-method dl{display:block}.brief-method dt{margin:20px 0 8px}.brief-edition .brief-watch{padding:0;border:0}.digest-featured{font-size:10px}}

/* Custom outlined wordmark; lime detail connects DIGEST to GasPulse. */
.digest-price{grid-template-columns:1fr 1.2fr 1.35fr;grid-template-areas:'place value chart' 'place change chart';gap:12px 40px;padding:40px 0;border-bottom:0}
.digest-price-place{flex-direction:column;text-align:center;gap:16px}
.digest-price-place>span:last-child{gap:8px}
.digest-price-place b{font-size:20px}
.digest-price-place small{font-size:14px;letter-spacing:0;text-transform:none}
.digest-price-icon{width:150px;height:auto}
.digest-price-icon img{width:150px}
.digest-price-value{justify-content:center}
.digest-price-value strong{font-size:clamp(64px,9vw,116px);font-weight:200;letter-spacing:-.055em;line-height:1}
.digest-price-icon{border:0;border-radius:0}
.digest-price-value{align-self:end}
.digest-price-change{flex-direction:row;align-items:baseline;justify-content:center;align-self:start;gap:8px}.digest-price-change strong{font-size:24px;font-weight:400}.digest-price-change span{font-size:14px;letter-spacing:0;text-transform:none}
.brief-page .digest-price-chart{grid-area:chart;min-width:0;width:100%;margin:0;color:var(--color-text-muted)}
.digest-price-chart svg{display:block;width:100%;height:auto;overflow:visible}
.digest-price-chart--up{--chart-color:var(--price-up)}.digest-price-chart--down{--chart-color:var(--price-down)}.digest-price-chart--flat{--chart-color:var(--color-text-muted)}
.price-chart-history,.price-chart-projection{fill:none;stroke:var(--chart-color);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.price-chart-projection{stroke-dasharray:1 6}.price-chart-band{fill:var(--chart-color);opacity:.12}
.price-chart-grid{stroke:var(--color-border-subtle);stroke-width:1}.digest-price-chart text{fill:currentColor;font:10px var(--font-sans);letter-spacing:.05em}
.digest-price-meta{margin-top:12px!important}
.digest-price-outlook{grid-area:outlook;font-size:14px;font-weight:600}.digest-price-outlook span{font-weight:400;color:var(--color-text-muted)}
@media(max-width:767px){.digest-price{grid-template-columns:1fr 1fr;grid-template-areas:'place value' 'place change' 'chart chart';gap:12px 16px;padding:28px 0}.digest-price-place{align-items:center;gap:12px}.digest-price-icon,.digest-price-icon img{width:94px;height:auto}.digest-price-place b{font-size:16px}.digest-price-place small{font-size:12px}.digest-price-value strong{font-size:64px}.digest-price-change{flex-wrap:wrap;gap:4px 8px}.digest-price-change strong{font-size:22px}.digest-price-change span{font-size:12px}.brief-page .digest-price-chart{margin-top:16px}}
.digest-name h1{padding:0;line-height:1}
/* National price and outlook, matching the app reference. */
.digest-price{grid-template-columns:1fr 1.35fr 2.15fr;gap:8px 28px;padding:32px 0}
.digest-price-place{align-items:flex-start;text-align:left;border-right:1px solid var(--color-border-subtle);padding-right:20px;align-self:stretch;justify-content:center}
.digest-price-icon,.digest-price-icon img{width:120px}
.digest-price-place small{white-space:nowrap;font-size:13px;color:var(--color-text-muted)}
.digest-price-value{justify-content:flex-start;gap:8px}
.digest-price-value strong{font-size:clamp(54px,7.5vw,100px);font-weight:600}
.digest-price-value .price-unit{font-size:22px;letter-spacing:0;text-transform:none;color:var(--color-text-muted)}
.digest-price-change{justify-content:flex-start;flex-wrap:wrap}.digest-price-change span{font-size:13px;color:var(--color-text-muted)}
.brief-page .digest-price-chart{border-left:1px solid var(--color-border-subtle);padding-left:24px;box-sizing:border-box}
.digest-price-chart figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:none;margin:0;color:var(--color-text);font-size:11px}
.digest-price-chart figcaption b{font-size:12px;text-transform:uppercase;font-weight:500;letter-spacing:.04em;white-space:nowrap}
.price-chart-legend{display:flex;gap:12px;flex-wrap:wrap;font-size:9px}.price-chart-legend>span{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.price-chart-legend>span::before{content:'';width:18px;border-top:2px solid var(--chart-color)}.price-chart-legend .legend-forecast::before{border-top-style:dotted}.price-chart-legend .legend-range::before{height:10px;border:0;background:var(--chart-color);opacity:.12}
.price-chart-divider{stroke:var(--color-text-muted);stroke-dasharray:3 3;stroke-width:.7}.price-chart-dot{fill:var(--chart-color)}.price-chart-end{fill:var(--color-page-bg);stroke:var(--chart-color);stroke-width:1.5}.digest-price-chart .price-chart-estimate{fill:var(--chart-color);font-size:13px;font-weight:600}
@media(min-width:768px) and (max-width:1100px){.digest-price{gap:8px 18px;grid-template-columns:1fr 1.2fr 1.8fr}.digest-price-place small{white-space:normal}.digest-price-chart figcaption{align-items:flex-start;flex-direction:column;gap:6px}.digest-price-value .price-unit{font-size:18px}.brief-page .digest-price-chart{padding-left:16px}}
@media(max-width:767px){.digest-price{grid-template-columns:1fr 1.2fr;gap:10px 16px}.digest-price-place{padding-right:12px}.digest-price-icon,.digest-price-icon img{width:90px}.digest-price-place small{white-space:normal;font-size:11px}.digest-price-value strong{font-size:54px}.digest-price-value .price-unit{font-size:17px}.digest-price-value{display:flex}.digest-price-change span{font-size:11px}.brief-page .digest-price-chart{border-left:0;border-top:1px solid var(--color-border-subtle);padding:20px 0 0;margin-top:16px}.digest-price-chart figcaption{flex-wrap:wrap}}
.digest-wordmark{display:block;width:100%;max-width:578px;height:auto;margin:auto}
.digest-wordmark-dark{display:none}
[data-theme="dark"] .digest-wordmark-light{display:none}
[data-theme="dark"] .digest-wordmark-dark{display:block}

/* Matching evidence badges in story headers and their explanatory key. */
.brief-page .trust-label--fact{--label-accent:#4acf8f}
.brief-page .trust-label--impact{--label-accent:var(--color-brand-lime)}
.brief-page .trust-label--uncertain{--label-accent:#aeaeb7}
.brief-page .trust-label[class*="trust-label--"]{gap:6px;padding:6px 9px;border-radius:4px;border:1px solid color-mix(in srgb,var(--label-accent) 45%,var(--color-border-subtle));background:color-mix(in srgb,var(--label-accent) 20%,var(--color-page-bg));color:var(--color-text);font-size:11px;line-height:1.35;font-weight:600}
.trust-label svg{flex-shrink:0}
.brief-method dl{grid-template-columns:170px 1fr;align-items:start}
@media(max-width:767px){.brief-method dl{display:block}}

/* Evidence labels share the Preview edition pill geometry. */
.brief-page .trust-label[class*="trust-label--"]{border-radius:99px;padding:5px 10px;font-size:10px;line-height:1.3;min-height:28px}
.digest-archive-list{list-style:none;padding:0;margin:24px 0}.digest-archive-list li{padding:0;margin:0;border-bottom:1px solid var(--color-border-subtle)}.digest-archive-list li::before{display:none}.digest-archive-list a{display:grid;grid-template-columns:160px 1fr auto;gap:16px;padding:22px 0;align-items:baseline;text-decoration:none}.digest-archive-list a:hover span{text-decoration:underline}.digest-archive-list time,.digest-archive-list small{font-size:12px}.edition-nav{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}.edition-nav a{display:inline-flex;align-items:center;min-height:44px;font-size:14px}.source-details{font-size:11px;line-height:1.6;margin-top:6px}.source-details summary{cursor:pointer;min-height:32px;padding:6px 0}.brief-point .source-details p{font-size:11px;overflow-wrap:anywhere}.digest-date a{display:inline-flex;align-items:center;min-height:32px;font-size:11px}@media(max-width:767px){.digest-archive-list a{grid-template-columns:1fr;gap:8px}}