/* Shared reading panels, compact discovery and progressive mobile controls. */
:root{--layout-gap:24px;--layout-padding:24px;--layout-radius:14px}
:root :is(.method-section,.sentiment-method,.halving-explainer){background:var(--panel);border:1px solid var(--line);border-radius:var(--layout-radius);padding:var(--layout-padding);gap:24px 32px}
:root .method-section{margin-top:32px}
:root .method-intro>p{max-width:65ch}
:root .method-steps{gap:12px}
:root .method-steps>div{gap:14px;padding:18px;background:var(--bg);border:1px solid var(--line);border-radius:10px;align-items:flex-start;min-width:0}
:root .method-steps>div>div{min-width:0}
:root .step-number{display:grid;place-items:center;width:30px;min-width:30px;height:30px;flex:0 0 30px;white-space:nowrap;overflow-wrap:normal;word-break:normal;line-height:1;font-variant-numeric:tabular-nums;border:1px solid var(--control-outline);border-radius:8px;background:var(--panel);color:var(--accent)}
:root .method-steps p{max-width:65ch}
:root .sentiment-method{margin-block:32px;align-items:start}
.sentiment-method>div{min-width:0}
:root .sentiment-method>div:last-child{padding:20px;background:var(--bg);border:1px solid var(--line);border-radius:10px}
:root .sentiment-method ul{padding-inline-start:20px;margin-top:0}
.sentiment-method li+li{margin-top:12px}
:root .halving-explainer{align-self:stretch}
:root :is(.halving-explainer>p,.toolkit-method p,.toolkit-note,.toolkit-long-note,.fee-sources){max-width:72ch}
.toolkit-method>p+p{padding-top:16px;margin-top:16px;border-top:1px solid var(--line)}
:root .toolkit-method{padding:var(--layout-padding);border-radius:var(--layout-radius)}
.method-section>.context-tool-links{grid-column:1/-1;margin:0;padding-top:18px;border-top:1px solid var(--line);max-width:72ch}
.method-section>.model-details,.method-section>.fee-sources{grid-column:1/-1}
.method-section .formula{max-width:100%;overflow-wrap:anywhere}
.halving-layout{gap:24px}

/* Search comes before optional discovery content. */
:root .hub-hero{gap:24px;padding-block:30px 24px;align-items:flex-start}
:root .hub-hero-main{max-width:62ch;margin-top:12px}
:root .hub-hero .hero-intro{max-width:65ch}
:root .hub-stat-card{width:250px;padding-inline-start:24px;margin:0}
:root .hub-stat-card>strong{font-size:28px;line-height:1.4;flex-wrap:wrap;gap:6px}
:root .hub-stat-card dl{gap:3px}
:root .hub-search-bar{margin-bottom:14px}
:root .hub-explore{margin-bottom:20px}
.hub-primary-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;min-width:0}
:root .hub-primary-links a{display:inline-flex;align-items:center;gap:6px;color:var(--secondary);font-size:13px;line-height:1.5;padding-block:5px;min-width:0;overflow-wrap:anywhere}
.hub-primary-links a:hover{color:var(--accent)}

.hub-discovery-footer{margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hub-discovery-footer>.context-tool-links{max-width:72ch}
.hub-discovery-footer .hub-quick-links{margin-top:0}
:root .hub-layout{grid-template-columns:205px minmax(0,1fr);gap:24px}
.hub-filter-panel{padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:24px}
:root .hub-filter-panel .hub-filter-fields{margin:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
:root .hub-filter-panel label{display:flex;flex-direction:column;gap:6px;min-width:0;color:var(--muted);font-size:13px}
:root .hub-filter-panel select{display:block;width:100%;min-width:0;min-height:44px;margin:0;border:1px solid var(--line);background:var(--control-bg);border-radius:8px;padding:9px 10px;font:inherit;color:var(--text)}
:root .hub-filter-panel .hub-filter{border:0;border-radius:0;background:none;padding:0;margin:16px 0 0}
:root .hub-filter-panel .hub-filter>summary{display:flex;align-items:center;min-height:44px;text-transform:none;letter-spacing:0;font-size:14px;color:var(--secondary);gap:12px}
.hub-filter[open]>summary>span{transform:rotate(180deg)}
:root .hub-filter-panel .hub-filter>div{margin-top:12px}
:root .hub-filter-panel .hub-filter-actions{margin-top:14px;gap:16px;flex-wrap:wrap}
.hub-filter-panel .hub-filter-actions button{min-height:44px;padding:9px 16px;border-radius:8px}
.hub-view-controls{display:none;gap:4px;padding:3px;border:1px solid var(--line);border-radius:9px;background:var(--panel);align-self:center}
.hub-enhanced .hub-view-controls{display:inline-flex}
.hub-view-controls button{display:grid;place-items:center;min-width:44px;min-height:38px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer}
.hub-view-controls button[aria-pressed=true]{background:var(--control-selected);color:var(--accent)}
.hub-results-tools{display:flex;align-items:center;gap:14px;flex-shrink:0}
:root .hub-results-tools p{white-space:normal}
:root .hub-card-grid{gap:16px;align-items:stretch}
:root .hub-card{padding:20px;border-radius:12px;gap:0}
:root .hub-card-top{margin-bottom:12px;flex-wrap:nowrap;align-items:center;gap:10px}
.hub-card-top .hub-icon{display:grid;place-items:center;flex:0 0 32px;width:32px;height:32px}
.hub-card-top .hub-brand-icon{width:32px;height:32px}
:root .hub-category-label{flex:1;line-height:1.4}
:root .hub-card-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:10px 0 14px;line-height:1.65}
.hub-card-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 12px;padding:0;font-size:13px;color:var(--secondary);line-height:1.55}
.hub-card-facts>div{min-width:0}
.hub-card-facts dt{font-size:12px;color:var(--muted)}
.hub-card-facts dd{margin:0;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
:root .hub-card .hub-tags{margin:0 0 12px}
:root .hub-card .hub-compare-choice{margin-bottom:12px;min-height:30px}
:root .hub-card-bottom{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:12px}
:root .hub-card-bottom>a{display:inline-flex;align-items:center;gap:6px;min-height:36px;margin:0}
.hub-featured{margin-bottom:24px}
.hub-featured>h3{font-size:14px;color:var(--accent);margin-bottom:12px;font-weight:600}
.hub-featured .hub-card-grid{grid-template-columns:1fr}
 .hub-featured-card{display:grid;grid-template-columns:32px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--chart-badge-border);border-radius:12px;background:var(--chart-badge-bg)}
.hub-featured-card h4{font-size:18px;line-height:1.4;margin:0 0 6px}
.hub-featured-card p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;font-size:15px;line-height:1.6;color:var(--secondary);margin:0;max-width:65ch}
.hub-featured-card>.hub-inline-link{min-height:44px;display:inline-flex;align-items:center;gap:7px;font-size:14px}
.hub-filter-panel[data-mobile-disclosure]>.hub-primary-filter-summary{display:none}
:root .hub-results-grid[data-view=list]{grid-template-columns:1fr}
.hub-results-grid[data-view=list]>.hub-card{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(180px,1fr);column-gap:24px;padding:20px}
.hub-results-grid[data-view=list] .hub-card>:is(.hub-card-top,h3,.hub-card-summary){grid-column:1}
.hub-results-grid[data-view=list] .hub-card>.hub-card-facts{grid-column:2;grid-row:1/3;align-self:start}
.hub-results-grid[data-view=list] .hub-card>.hub-tags{grid-column:2;grid-row:3;align-self:start}
.hub-results-grid[data-view=list] .hub-card>.hub-compare-choice{grid-column:1/-1}
.hub-results-grid[data-view=list] .hub-card>.hub-card-bottom{grid-column:1/-1;margin-top:4px}

/* Profiles lead with their purpose, then sourced facts and checks. */
.hub-profile-highlights{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 24px}
.hub-profile-highlights>div{min-width:0;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel);flex:1 1 150px}
.hub-profile-highlights dt{font-size:13px;color:var(--muted);margin-bottom:4px}
.hub-profile-highlights dd{margin:0;line-height:1.6;font-size:15px;overflow-wrap:anywhere}
:root .hub-detail-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px;padding-top:0}
.hub-detail-main{min-width:0}
:root .hub-profile-section{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--panel);margin-bottom:24px}
:root .hub-profile-section .hub-prose{max-width:72ch}
.hub-profile-section .hub-sourced-facts{margin-bottom:0}
.hub-sourced-facts>div{padding-block:16px}
:root .hub-facts-card{position:sticky;top:24px;padding:22px;grid-row:auto}
.hub-profile-checks{padding:18px;margin-top:20px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
:root .hub-profile-checks h3{margin:0 0 8px;font-size:17px}
:root .hub-profile-checks p{margin:0;max-width:65ch}
.hub-profile-checks p+p{margin-top:12px}

/* Compact ordinary tutorial cards; featured home cards keep their large images. */
:root .tutorial-group .tutorial-card{grid-template-columns:112px minmax(0,1fr);min-height:0}
:root .tutorial-group .tutorial-card-body{padding:18px;gap:8px}
:root .tutorial-group .tutorial-card-visual{aspect-ratio:auto;border-bottom:0;border-inline-end:1px solid var(--line);max-height:none}
.tutorial-group .tutorial-card-visual img{max-height:120px}
:root .tutorial-group .tutorial-card-body>p:not(.tutorial-meta){display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;line-height:1.6}
:root .tutorial-group .tutorial-meta{gap:4px 10px}
:root .tutorial-group .tutorial-read{padding-top:2px;min-height:32px}
:root .tutorial-layout{grid-template-columns:230px minmax(0,80ch);gap:24px;align-items:start}
:root .tutorial-prose{padding:32px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}
.tutorial-prose>section:not(.tutorial-answer,.tutorial-example):not(:first-child){padding-top:24px;border-top:1px solid var(--line)}
:root .tutorial-prose>section:last-child{margin-bottom:0}
:root .tutorial-prose .tutorial-deep-section{padding:24px 0 28px;margin:0;border-bottom:1px solid var(--line)}
.tutorial-prose .tutorial-deep-section:last-child{border-bottom:0;padding-bottom:0}
:root .tutorial-example{background:var(--control-selected);border-color:var(--control-outline);padding:22px}
:root .tutorial-mistake{background:color-mix(in srgb,#e6a34c 10%,var(--panel));border-color:color-mix(in srgb,#bf852f 40%,var(--line));padding:22px}
:root .tutorial-toc nav{display:block;padding:18px;max-height:calc(100vh - 48px);overflow:auto}
.tutorial-toc ol{list-style:none;padding:0;margin:0}
.tutorial-toc .tutorial-toc-children{padding-inline-start:14px;border-inline-start:1px solid var(--line);margin-inline-start:6px}
:root .tutorial-toc a{border:0;border-radius:6px;padding:8px;display:block;line-height:1.5;transition:background .15s,color .15s}
.tutorial-toc .tutorial-toc-children a{font-size:13px}
:root .tutorial-toc a[aria-current=location]{background:var(--control-selected);color:var(--accent);font-weight:500}
:root .tutorial-toc h2{margin:0 0 12px}
.tutorial-prose :is(section,aside)[id]{scroll-margin-top:24px}

/* Native disclosures keep secondary controls available with or without scripts. */
:root .chart-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;margin:0}
.chart-options{min-width:0}
.chart-options>summary,.hub-map-options>summary{cursor:pointer;min-height:44px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--secondary);font-size:14px;list-style-position:inside}
.chart-options-content{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px}
.chart-options-content .halving-control{min-height:44px;display:flex;align-items:center;gap:7px}
.chart-options-content input[type=checkbox]{flex:0 0 14px;width:14px;height:14px}
.chart-options-content .save-link{min-height:44px;display:inline-flex;align-items:center}
.chart-options[data-mobile-disclosure]>summary,.hub-map-options[data-mobile-disclosure]>summary{display:none}
.hub-map-primary{display:grid;grid-template-columns:minmax(200px,1fr) auto;gap:12px 20px;align-items:end;padding:20px 20px 8px}
.hub-map-primary .hub-map-location-note{grid-column:1/-1}
.hub-map-primary label{display:block;font-size:13px;margin-bottom:6px;color:var(--muted)}
.hub-map-primary input{width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);padding:9px 12px;font:inherit}
.hub-map-options-content{display:flex;flex-wrap:wrap;align-items:end;gap:14px;padding:12px 20px}
.hub-map-options-content>label{flex:1 1 160px;min-width:0;color:var(--muted);font-size:13px}
.hub-map-options-content select{display:block;width:100%;min-height:44px;margin-top:6px;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--text);font:inherit}
:root .hub-map-options-content .hub-map-toolbar{width:100%;border:0;padding:0;gap:12px}
.hub-map-options .hub-map-share{padding-top:12px}
:root .hub-map .hub-map-cluster{white-space:nowrap;overflow-wrap:normal;word-break:normal;line-height:1;font-size:13px;font-family:inherit;font-variant-numeric:tabular-nums;direction:ltr}
.hub-map-cluster>span{white-space:nowrap;overflow-wrap:normal}
:root button:focus-visible,:root summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

@media(max-width:1100px){
 :root .hub-layout{grid-template-columns:185px minmax(0,1fr)}
 :root .hub-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 :root .tutorial-layout{grid-template-columns:200px minmax(0,1fr)}
 :root .tutorial-group .tutorial-card{grid-template-columns:88px minmax(0,1fr)}
 :root .tutorial-prose{padding:24px}
}
@media(max-width:850px){
 :root .hub-detail-layout{grid-template-columns:1fr}
 :root .hub-facts-card{position:static;grid-row:auto}
 :root .hub-facts-card .hub-facts{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
}
@media(max-width:700px){
 :root{--layout-padding:20px}
 :root .hub-hero{padding-block:26px 20px}
 :root .hub-stat-card{display:flex;align-items:center;flex-wrap:wrap;gap:8px 18px;border:0;border-top:1px solid var(--line);padding:14px 0 0;margin-top:18px;width:100%}
 :root .hub-stat-card>p{margin:0;gap:10px;letter-spacing:0;text-transform:none}
 :root .hub-stat-card>strong{font-size:22px;margin:0;gap:6px}
 :root .hub-stat-card dl{display:flex;flex-wrap:wrap;gap:4px 16px;width:100%;margin:0}
 .hub-stat-card dl>div{gap:6px}
 :root .hub-search-form .hub-explore{gap:12px;flex-wrap:wrap}
 :root .hub-layout{display:block}
 :root .hub-filter-panel{padding:16px}
 :root .hub-filter-panel[data-mobile-disclosure]>.hub-primary-filter-summary{display:flex;justify-content:space-between;align-items:center;min-height:30px;cursor:pointer;color:var(--secondary);font-size:14px;list-style:none}
 .hub-filter-panel[open]>.hub-primary-filter-summary{margin-bottom:16px}
 :root .hub-filter-panel .hub-filter-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
 :root .hub-filter-panel :is(input,select){font-size:16px}
 :root .hub-sidebar{margin-bottom:16px}
 :root .hub-sidebar details>summary{min-height:30px;display:flex;justify-content:space-between;align-items:center}
 :root .hub-results-heading{flex-wrap:wrap;gap:10px}
 .hub-results-tools{justify-content:space-between;flex:1 1 auto}
 :root .hub-card-grid{grid-template-columns:1fr}
 :root .hub-card{padding:20px}
 .hub-featured-card{grid-template-columns:32px minmax(0,1fr);gap:10px 12px;padding:16px}
 .hub-featured-card>.hub-inline-link{grid-column:2;min-height:32px}
 .hub-featured-card>.hub-icon{align-self:start;margin-top:3px}
 :root .hub-results-grid[data-view=list]>.hub-card{display:flex;padding:16px}
 :root .hub-results-grid[data-view=list] .hub-card-summary{-webkit-line-clamp:2}
 .hub-results-grid[data-view=list] .hub-tags{display:none}
 .hub-results-grid[data-view=list] .hub-card-top{margin-bottom:8px}
 :root .hub-facts-card .hub-facts{display:block}
 :root .hub-profile-section{padding:20px}
 :root .tutorial-group .tutorial-card{grid-template-columns:84px minmax(0,1fr)}
 :root .tutorial-group .tutorial-card-body{padding:16px;gap:8px}
 :root .tutorial-group .tutorial-card-visual{border-inline-end:1px solid var(--line);border-bottom:0;align-items:center}
 .tutorial-group .tutorial-card-visual img{max-height:90px}
 :root .tutorial-group .tutorial-meta>span:first-child{display:none}
 :root .tutorial-group .tutorial-card :is(h3,h4){font-size:18px;line-height:1.4}
 :root .tutorial-filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:16px}
 :root .tutorial-filters>*{grid-column:auto!important;grid-row:auto!important}
 :root .tutorial-filters>.tutorial-search-field{grid-column:1/-1!important}
 :root .tutorial-filters>.tutorial-filter-status{grid-column:1;margin:0;align-self:center}
 :root .tutorial-filters>button{grid-column:2!important;grid-row:3!important;justify-self:end;min-width:0}
 :root .tutorial-layout{grid-template-columns:1fr;gap:24px}
 :root .tutorial-prose{padding:20px}
 :root .tutorial-toc nav{max-height:300px}
 :root .tutorial-example,:root .tutorial-mistake{padding:16px;gap:12px}
 .tutorial-callout-icon{flex-shrink:0}
 :root .chart-actions{display:flex;gap:12px;align-items:stretch;width:100%}
 :root .chart-currency-control{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;flex:1 1 145px}
 .chart-options{flex:1 1 130px}
 .chart-options[data-mobile-disclosure]>summary,.hub-map-options[data-mobile-disclosure]>summary{display:block}
 .chart-options[open]{flex-basis:100%}
 .chart-options-content{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-top:14px}
 .chart-options-content .future-control{grid-column:1/-1;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
 .chart-options-content .save-link{justify-self:start;grid-column:1/-1}
 .chart-options-content .halving-control{align-items:flex-start;padding-block:8px}
 .chart-options-content input[type=checkbox]{margin-top:5px}
 :root .hub-map-primary{grid-template-columns:minmax(0,1fr);padding:16px 14px 6px;gap:10px}
 .hub-map-primary .hub-map-area-actions{grid-column:1;display:flex}
 .hub-map-primary .hub-map-area-actions>.hub-button{flex:1}
 .hub-map-primary .hub-map-location-note{font-size:12px;margin:0}
 .hub-map-options{margin:8px 14px 14px}
 .hub-map-options-content{padding:12px 0 0;gap:12px}
 :root .hub-map-options-content .hub-map-tools{margin:0;gap:6px;flex-wrap:wrap}
 .hub-map-options-content .hub-map-toolbar{flex-direction:column;align-items:flex-start}
 :root .hub-map-options-content select,:root .hub-map-primary input{font-size:16px}
}
@media(prefers-reduced-motion:reduce){.tutorial-toc a{transition:none}}