/* Layout from exec-d47df9b5; visual tokens and fonts from exec-2882aefe. */
.audio-status:empty{display:none}
.audio-stop{min-height:44px;padding:8px 14px;font-size:14px;line-height:20px;white-space:nowrap}
/* Clean reference-edited covers: clamp near-white generation noise before
   multiply blends the artwork into white and pale-yellow card surfaces. */
.topic-card-art img[src$="subject-clean-v5.png"]{filter:brightness(1.025)}
.is-home .sidebar{padding-top:36px}
.is-home .category-nav{gap:12px}
.is-home .category-link{min-height:56px;font-size:20px;gap:10px;padding-inline:10px}
.is-home .category-link>span{white-space:nowrap}
.is-home .category-link small{display:none}
.is-home .category-link>.icon{width:26px;height:26px}
.is-home .category-link .category-caret{width:16px;height:16px;margin-left:auto}
.sidebar-divider{height:1px;background:var(--line);margin:12px 8px}
.home-heading{margin:0 0 24px}
.home-heading h1{font-size:30px;line-height:40px}
.home-heading h1 span{white-space:nowrap}
.topic-feature{display:grid;grid-template-columns:minmax(240px,.78fr) minmax(0,1.22fr);gap:32px;align-items:center}
.feature-map{min-width:0;display:flex;justify-content:center;align-items:center}
.feature-map .map-preview{display:block;max-width:310px;width:100%;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:var(--canvas)}
.feature-map img{width:100%;height:auto;object-fit:contain}
.feature-copy{min-width:0}
.topic-title{font-size:36px;line-height:44px;margin:0 0 12px}
.topic-description{font-size:18px;line-height:28px;color:var(--muted)}
.learning-steps{display:flex;min-width:0;align-items:flex-start;gap:20px}
.step-item{position:relative;flex:1;min-width:0}
.step-link{display:flex;align-items:center;justify-content:center;gap:10px;min-height:44px;color:var(--muted);border-radius:8px}
.step-link:hover{color:var(--ink)}
.step-link .step-number{width:34px;height:34px;flex-shrink:0;background:var(--quiet);color:var(--muted);font-size:22px;line-height:28px}
.step-copy{min-width:0;display:grid;gap:5px}
.step-label{font-family:var(--font-heading);font-size:16px;line-height:24px;white-space:nowrap}
.step-caption{font-size:14px;line-height:20px;color:var(--muted)}
.step-item.is-active .step-link{color:var(--ink)}
.step-item.is-active .step-number{background:var(--yellow-tint);color:var(--ink)}
.step-arrow{position:absolute;right:-20px;top:13px;width:18px;height:18px;opacity:.7}
.feature-steps{margin:30px 0 28px;gap:24px}
.feature-steps .step-link{flex-direction:column;gap:8px;text-align:center}
.feature-steps .step-number{width:44px;height:44px;font-size:28px;line-height:36px}
.feature-steps .step-label{font-size:20px;line-height:28px}
.feature-steps .step-caption{white-space:normal}
.feature-steps .step-arrow{top:14px;right:-24px;width:22px;height:22px}
.feature-actions{display:flex;align-items:flex-start;flex-direction:column;gap:10px}
.feature-actions .primary-button{min-height:48px;padding:10px 22px;font-size:18px;min-width:216px}
.feature-actions .primary-button .icon{width:20px;height:20px}
.feature-actions .text-link{font-size:16px;line-height:24px}
.other-topics{padding-top:24px;margin-top:28px;border-top:1px solid var(--line)}
.other-topics .section-heading h2{font-size:22px;line-height:32px}
.other-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.choice-card{display:grid;grid-template-columns:84px minmax(0,1fr);gap:12px;align-items:center;padding:12px}
.choice-card-art{display:block;min-width:0;border-radius:8px}
.choice-card .topic-card-art{height:100px;margin:0}
.choice-card .topic-card-copy{min-width:0}
.choice-card .topic-name{font-size:20px;line-height:28px;white-space:nowrap;text-wrap:initial}
.choice-card .topic-name span[lang=en]{font-size:22px}
.topic-category{font-size:14px;line-height:20px;color:var(--muted);margin:3px 0 8px}
.choice-card .topic-select{min-height:36px;padding:5px 12px;border-radius:18px;font-size:14px;line-height:24px}
.mobile-reader-top,.mobile-reader-title,.mobile-reader-steps{display:none}
.reader-layout{grid-template-columns:minmax(0,.66fr) minmax(0,1.34fr);column-gap:32px}
.reader-title-row{margin-bottom:16px}
.reader-title{font-size:28px;line-height:36px}
.reader-title [lang=en]{font-size:32px}
.reader-visual .map-mode-tabs{grid-template-columns:repeat(2,minmax(0,1fr));max-width:260px;margin:0 auto 12px;padding:0;border:0;gap:8px}
.reader-visual .map-mode-tabs .learning-tab{font-size:14px;min-height:36px;padding:5px 10px}
.reader-map img{max-height:560px}
.desktop-reader-steps{padding:2px 0 16px;margin-bottom:20px;border-bottom:1px solid var(--line);gap:24px}
.desktop-reader-steps .step-link{justify-content:center;position:relative;gap:8px}
.desktop-reader-steps .step-link{max-width:150px;margin-inline:auto}
.desktop-reader-steps .step-item.is-active .step-link:after,.mobile-reader-steps .step-item.is-active .step-link:after{content:'';height:3px;border-radius:3px;background:var(--yellow-edge);position:absolute;left:6px;right:6px;bottom:-9px}
.desktop-reader-steps .step-arrow{right:-22px;top:14px;width:16px;height:16px}
.step-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px}
.step-actions .primary-button,.step-actions .secondary-button{font-size:16px}
.question-text{scroll-margin-top:22px}
.reader-visual{scroll-margin-top:18px}
#topic-gallery{position:relative}
.reader-zoom-shortcut{display:none}
.is-reader .map-guide{padding-top:4px}
.is-reader .map-guide h2{font-size:24px;line-height:32px}
.is-reader .qa-card{padding-top:12px}
.is-reader .answer-reveal{margin:4px 0 20px 48px;min-width:190px}
@media(max-width:1100px){.topbar{gap:28px}.topnav{gap:24px}.topbar .nav-link{font-size:16px}.topic-feature{grid-template-columns:minmax(200px,.75fr) minmax(0,1.25fr);gap:24px}.feature-steps{gap:20px}.feature-steps .step-label{font-size:18px}.feature-steps .step-caption{font-size:12px;line-height:20px}.feature-steps .step-arrow{right:-21px;width:18px;height:18px}.topic-title{font-size:32px;line-height:40px}.topic-description{font-size:16px;line-height:24px}.choice-card{grid-template-columns:64px minmax(0,1fr);padding:10px;gap:8px}.choice-card .topic-card-art{height:90px}.choice-card .topic-name{font-size:18px;line-height:26px}.choice-card .topic-name span[lang=en]{font-size:20px}.choice-card .topic-select{font-size:14px;padding-inline:10px}.other-topic-grid{gap:12px}.reader-layout{column-gap:24px;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr)}.desktop-reader-steps .step-link{gap:6px}.desktop-reader-steps .step-label{font-size:14px}.desktop-reader-steps .step-number{width:30px;height:30px}.desktop-reader-steps .step-arrow{width:14px;height:14px}.step-actions{gap:10px}.step-actions .primary-button,.step-actions .secondary-button{font-size:14px;padding-inline:12px}}
@media(max-width:800px) and (min-width:621px){.topbar{padding-inline:20px;gap:20px}.topnav{gap:18px}.topbar .nav-link{font-size:14px}.topbar .brand-name{font-size:20px}.topbar .brand-icon{width:28px}.header-actions{gap:0}.header-search{width:160px}.header-favorite{display:none}.is-home .sidebar{padding-top:28px}.is-home .category-link{font-size:18px;padding-inline:8px;gap:8px}.is-home .category-link>.icon{width:22px;height:22px}.is-home .category-link .category-caret{width:12px;height:12px}.topic-feature{grid-template-columns:minmax(160px,.72fr) minmax(0,1.28fr);gap:20px}.home-heading h1{font-size:28px;line-height:36px}.feature-map .map-preview{max-width:240px}.feature-steps{gap:12px;margin-top:24px;margin-bottom:24px}.feature-steps .step-label{font-size:16px}.feature-steps .step-number{width:36px;height:36px;font-size:24px}.feature-steps .step-caption{font-size:12px;line-height:18px}.feature-steps .step-arrow{right:-13px;width:14px;top:10px}.feature-actions .primary-button{min-width:190px;font-size:16px;padding-inline:14px}.feature-actions .text-link{font-size:14px}.other-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.choice-card{grid-template-columns:1fr;gap:6px;text-align:center}.choice-card .topic-card-art{height:72px}.choice-card .topic-name{font-size:16px;line-height:24px}.choice-card .topic-name span[lang=en]{font-size:18px}.choice-card .topic-category{margin:2px 0 6px}.choice-card .topic-select{padding:4px 10px;min-height:34px}.other-topics .section-heading h2{font-size:20px;line-height:28px}.other-topics .section-heading .text-link{font-size:12px}.reader-layout{column-gap:20px;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr)}.desktop-reader-steps{gap:14px}.desktop-reader-steps .step-link{flex-direction:column;gap:4px}.desktop-reader-steps .step-arrow{top:14px;right:-15px}.step-actions{flex-wrap:wrap}}
@media(max-width:620px){.is-home .content{padding-top:24px}.home-heading{margin-bottom:22px}.home-heading h1{font-size:28px;line-height:36px}.topic-feature{display:flex;flex-direction:column;gap:0}.feature-copy{display:contents}.topic-title{order:0;align-self:flex-start;font-size:30px;line-height:40px;margin-bottom:8px}.topic-description{order:1;align-self:flex-start;font-size:16px;line-height:24px;margin-bottom:20px}.feature-map{order:2;width:100%}.feature-map .map-preview{max-width:300px}.feature-steps{order:3;width:100%;margin:24px 0 20px;gap:18px}.feature-steps .step-link{gap:6px;min-height:44px}.feature-steps .step-number{width:36px;height:36px;font-size:24px;line-height:32px}.feature-steps .step-label{font-size:18px;line-height:26px}.feature-steps .step-caption{font-size:12px;line-height:18px}.feature-steps .step-arrow{right:-20px;top:10px;width:18px;height:18px}.feature-actions{order:4;width:100%;gap:8px}.feature-actions .primary-button{width:100%;min-height:48px;font-size:18px}.feature-actions .text-link{align-self:center;font-size:14px;min-height:40px}.other-topics{margin-top:28px;padding-top:24px}.other-topics .section-heading{align-items:center;gap:10px}.other-topics .section-heading h2{font-size:20px;line-height:28px}.other-topics .section-heading .text-link{font-size:12px;white-space:nowrap}.other-topic-grid{grid-template-columns:1fr;gap:12px}.choice-card{grid-template-columns:84px minmax(0,1fr);padding:12px 16px;gap:16px;text-align:left}.choice-card .topic-card-art{height:94px}.choice-card .topic-name{font-size:20px;line-height:28px}.choice-card .topic-name span[lang=en]{font-size:22px}.choice-card .topic-select{min-height:40px;padding:5px 16px;font-size:14px}.topic-category{margin:2px 0 6px}.is-reader .topbar{display:none}.is-reader .content{padding-top:16px}.reader-header,.reader-title-row{display:none}.mobile-reader-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:20px}.mobile-reader-top>.text-link{font-size:14px;gap:4px;white-space:nowrap;color:var(--ink)}.mobile-reader-top>.text-link .icon{width:18px;height:18px}.mobile-reader-actions{display:flex;align-items:center;gap:8px}.mobile-reader-actions .secondary-button{font-size:12px;min-height:38px;padding:6px 8px;gap:4px;border-radius:8px}.mobile-reader-actions .secondary-button .icon{width:16px;height:16px}.mobile-reader-title{display:block;margin-bottom:18px}.mobile-reader-title h1{font-size:30px;line-height:40px}.mobile-reader-title [lang=en]{font-size:34px}.mobile-reader-steps{display:flex;gap:14px;padding-bottom:16px;margin-bottom:20px;border-bottom:1px solid var(--line)}.mobile-reader-steps .step-link{position:relative;gap:6px;min-height:42px;justify-content:flex-start}.mobile-reader-steps .step-number{width:28px;height:28px;font-size:20px;line-height:28px}.mobile-reader-steps .step-label{font-size:14px;line-height:20px}.mobile-reader-steps .step-arrow{right:-14px;top:13px;width:12px;height:12px}.mobile-reader-steps .step-item.is-active .step-link:after{bottom:-8px;left:0;right:0}.reader-layout{display:flex;flex-direction:column}.desktop-reader-steps{display:none}.reader-visual,body[data-step=qa] .reader-visual,body[data-step=speak] .reader-visual{order:1;width:100%;margin:0 0 24px}.reader-panel,body[data-step=qa] .reader-panel,body[data-step=speak] .reader-panel{order:2;width:100%}.reader-visual .map-mode-tabs{max-width:230px;margin-bottom:12px}.reader-visual .map-mode-tabs .learning-tab{font-size:14px;min-height:36px}.reader-map{max-width:360px}.reader-map img{max-height:440px}.map-actions .secondary-button{min-height:44px}.step-actions{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:16px}.step-actions .primary-button,.step-actions .secondary-button{min-height:44px;flex:1;padding-inline:10px;font-size:14px}.step-actions .icon{width:18px;height:18px}.is-reader .answer-reveal{width:100%;margin:4px 0 20px;min-height:48px;font-size:18px}.qa-card .reader-caption{font-size:14px;color:var(--muted)}.question-text{scroll-margin-top:22px}.site-footer{padding-bottom:100px}}
@media(max-width:360px){.home-heading h1{font-size:26px;line-height:36px}.feature-steps{gap:12px}.feature-steps .step-label{font-size:16px}.feature-steps .step-caption{font-size:12px}.feature-steps .step-arrow{right:-13px;width:14px}.mobile-reader-top{gap:6px}.mobile-reader-actions{gap:5px}.mobile-reader-actions .secondary-button{font-size:12px;padding:6px;gap:3px}.mobile-reader-actions .secondary-button .icon{width:14px;height:14px}.mobile-reader-steps{gap:10px}.mobile-reader-steps .step-link{gap:4px}.mobile-reader-steps .step-label{font-size:13px}.mobile-reader-steps .step-number{width:24px;height:24px;font-size:18px}.mobile-reader-steps .step-arrow{right:-11px;width:10px}.other-topics .section-heading h2{font-size:18px}.other-topics .section-heading .text-link{font-size:12px}.choice-card{grid-template-columns:72px minmax(0,1fr);gap:12px}}
@media(max-width:620px){body[data-step=qa] .reader-map,body[data-step=speak] .reader-map{max-width:240px}body[data-step=qa] .reader-map img,body[data-step=speak] .reader-map img{max-height:320px}body[data-step=qa] .reader-visual .map-mode-tabs,body[data-step=speak] .reader-visual .map-mode-tabs{display:none}}
@media(max-width:620px){.home-heading h1 span{display:block}.feature-map .map-preview{max-width:210px}.feature-steps{margin-top:20px;margin-bottom:16px}.mobile-reader-top{margin-bottom:12px}.mobile-reader-actions .secondary-button{font-size:14px;min-height:44px}.mobile-reader-title{margin-bottom:14px}.mobile-reader-steps{padding-bottom:12px;margin-bottom:16px}body[data-step=qa] .reader-map,body[data-step=speak] .reader-map{max-width:210px}body[data-step=qa] .reader-map img,body[data-step=speak] .reader-map img{max-height:280px}body[data-step=qa] .map-actions,body[data-step=speak] .map-actions{display:none}body[data-step=qa] .reader-zoom-shortcut,body[data-step=speak] .reader-zoom-shortcut{display:inline-flex;position:absolute;right:4px;bottom:6px;background:var(--paper);border-color:var(--line)}body[data-step=qa] .reader-visual,body[data-step=speak] .reader-visual{margin-bottom:20px}}
@media(max-width:360px){.mobile-reader-actions .secondary-button{font-size:12px}.mobile-reader-top>.text-link{font-size:12px}}
@media print{.mobile-reader-top,.mobile-reader-title,.mobile-reader-steps,.desktop-reader-steps,.step-actions,.map-mode-tabs{display:none!important}}
/* Topic collections use one fixed vertical card, independent of item count.
   The viewport determines column count only; a lone card never spans a row. */
.results-grid,.directory-group .results-grid{grid-template-columns:repeat(auto-fill,200px);gap:16px;justify-content:start;align-items:start}
.results-grid .result-card,.directory-group.is-single .result-card{width:200px;height:300px;grid-column:auto}
.results-grid .topic-card-link,.directory-group.is-single .topic-card-link{display:block;grid-template-columns:none;gap:0;height:100%;padding:12px}
.results-grid .topic-card-art,.directory-group.is-single .topic-card-art{height:160px;margin-bottom:8px}
.results-grid .topic-name{font-size:18px;line-height:28px;padding-right:32px;overflow:visible;text-overflow:clip;white-space:normal;overflow-wrap:break-word}
.results-grid .topic-name span[lang=en]{font-size:20px}
.results-grid .topic-summary,.directory-group .topic-summary{display:block;font-size:14px;line-height:20px;-webkit-line-clamp:unset;overflow:visible;white-space:normal;overflow-wrap:break-word}
.results-grid .topic-card-arrow,.directory-group.is-single .topic-card-arrow{top:180px;bottom:auto;right:12px;transform:none}