/* History timeline and reading space. All learning typography follows the shared reader size. */
.history-app{--h-accent:var(--green);min-width:0}.history-app h1{font-family:"Songti SC",STSong,serif;font-weight:500;font-size:36px;letter-spacing:.5px}.history-app h2{font-size:24px;line-height:1.6}.history-app h3{font-size:20px}.history-app p{line-height:1.9}.history-app a,.history-app button{touch-action:manipulation}.history-app svg{max-width:100%;height:auto}.history-app svg path:not([fill]){fill:none}.history-app [hidden]{display:none!important}.h-topline{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.h-topline>.quiet-link{font-size:15px}.h-prefs{display:flex;align-items:center;gap:12px;font-size:13px}.h-prefs>span{color:var(--muted)}.h-prefs .theme-button{width:auto;min-width:47px;padding:7px 9px;min-height:44px}.h-prefs .font-controls{display:flex;width:auto}.h-prefs .font-controls button{width:42px;height:44px}.h-prefs .theme-controls{display:flex}.h-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(230px,.8fr);align-items:center;gap:20px;padding:35px 36px;background:var(--green-light);border:1px solid var(--line);border-radius:16px;overflow:hidden}.h-hero h1{font-size:39px;line-height:1.55;margin-bottom:15px}.h-hero p{font-size:18px;max-width:570px;color:var(--muted);margin-bottom:22px}.h-hero-art{margin-right:-16px;transform:rotate(-2deg)}.h-hero-art svg{width:100%;border-radius:50% 50% 42% 42%;mix-blend-mode:multiply}.h-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.h-row .primary,.h-row .secondary{flex-shrink:0}.h-state{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:20px 0 34px}.h-state a{color:var(--green);text-decoration:underline;text-underline-offset:4px}.h-section-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:28px 0 20px}.h-section-title h2{margin:0}.h-section-title>span{font-size:14px;color:var(--muted)}.h-track{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);gap:15px;margin-bottom:22px}.h-track>a{padding:15px 19px;border-bottom:3px solid transparent;font-size:22px}.h-track>a.selected{border-color:var(--green);color:var(--green);background:var(--green-light);border-radius:9px 9px 0 0}.h-track small{display:block;font-size:14px;margin-top:4px;color:var(--muted)}.h-filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:22px}.h-filters input{flex:1;min-width:170px}.h-filters select{max-width:250px}.h-era-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.h-era{position:relative;display:flex;flex-direction:column;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:11px;transition:background .15s,border-color .15s}.h-era:hover{border-color:var(--green);background:var(--green-light)}.h-era-num{font:italic 35px/1 Georgia,serif;color:var(--green);opacity:.25;position:absolute;top:20px;right:20px}.h-era-date{font-size:13px;color:var(--muted);padding-right:34px;margin:0 0 13px;min-height:40px;display:flex;align-items:center}.h-era h3{font-size:21px;margin-bottom:12px}.h-era p{font-size:16px;color:var(--muted);margin:0 0 22px}.h-era-bottom{display:flex;flex-direction:column;gap:8px;font-size:13px;margin-top:auto;color:var(--green);padding-top:12px;border-top:1px solid var(--line)}.h-era-bottom span:first-child{color:var(--muted)}.h-note{background:var(--surface-alt);border:1px solid var(--line);border-radius:10px;padding:21px 24px;margin:25px 0;line-height:1.9;font-size:15px;color:var(--muted)}.h-note b{display:block;color:var(--ink);margin-bottom:3px}.h-sources{font-size:14px;border-top:1px solid var(--line);padding-top:23px;margin-top:28px;color:var(--muted);line-height:1.9}.h-sources summary{cursor:pointer;min-height:44px;color:var(--green)}.h-sources a{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.h-sources small{display:block;font-size:13px;margin-top:5px}.h-search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.h-muted{color:var(--muted);font-size:16px}.h-period-head{display:flex;gap:28px;align-items:center;padding:30px 32px;background:var(--green-light);border:1px solid var(--line);border-radius:14px;margin:18px 0 32px}.h-period-head>div{flex:1;min-width:0}.h-period-head h1{font-size:33px;margin-bottom:14px}.h-period-head p{font-size:var(--reader-size);margin-bottom:18px}.h-question{padding-top:15px;border-top:1px solid var(--line);font-size:18px;color:var(--green);line-height:1.8}.h-map-button{width:39%;padding:0;text-align:left}.h-map-button svg{display:block;width:100%;border-radius:9px}.h-map-button>span{display:block;font-size:13px;color:var(--green);margin-top:7px}.h-stage-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:29px;align-items:start}.h-stage-layout .h-section-title{margin-top:0}.h-timeline{position:relative;padding-left:27px}.h-timeline:before{content:"";position:absolute;top:26px;bottom:50px;left:7px;border-left:1px solid var(--line)}.h-timeline-row{position:relative;margin-bottom:24px}.h-timeline-row:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;border:3px solid var(--paper);background:var(--green);left:-25px;top:29px}.h-event-card{padding:25px 27px;border:1px solid var(--line);border-radius:11px;background:var(--surface);min-width:0}.h-event-card.is-current{border-color:var(--green);box-shadow:0 0 0 2px var(--green-light)}.h-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:13px}.h-event-card h3{font-size:24px;margin:0 0 11px}.h-event-card p{font-size:var(--reader-size);margin-bottom:12px}.h-location{display:flex;align-items:center;gap:7px;font-size:14px;color:var(--muted);line-height:1.8}.h-change{font-size:16px;color:var(--muted);padding:16px 0;line-height:1.9}.h-badge{display:inline-flex;align-items:center;min-height:27px;border-radius:5px;padding:3px 8px;background:var(--surface-alt);font-size:12px;color:var(--muted);white-space:nowrap}.h-badge.complete{color:var(--green);background:var(--green-light)}.h-read-state{font-size:13px;color:var(--green)}.h-side-card{padding:23px;background:var(--surface);border:1px solid var(--line);border-radius:10px;margin-bottom:18px}.h-side-card h3{font-size:17px;margin-bottom:15px}.h-side-card p,.h-side-card li{font-size:16px;line-height:1.9;color:var(--muted)}.h-side-card ul{padding-left:20px;margin-bottom:0}.h-side-card li+li{margin-top:12px}.h-side-card details{font-size:15px;line-height:1.9}.h-side-card summary{cursor:pointer;color:var(--green)}.h-side-card .quiet-link{white-space:normal;font-size:14px}.h-breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:13px 0 23px}.h-breadcrumb b{font-weight:500;color:var(--ink)}.h-reader-head{display:flex;align-items:start;justify-content:space-between;gap:18px;margin-bottom:26px}.h-reader-head h1{font-size:35px;margin-bottom:10px}.h-reader-head p{font-size:16px;color:var(--muted);margin:0}.h-reader-head>div:last-child{display:flex;flex-direction:column;align-items:end}.h-reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:24px;align-items:start}.h-reader{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden;min-width:0}.h-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line);background:var(--surface-alt)}.h-tabs a{display:flex;align-items:center;justify-content:center;gap:9px;font-size:14px;padding:17px 8px;min-height:69px;border-bottom:3px solid transparent;text-align:center}.h-tabs a.selected{border-bottom-color:var(--green);background:var(--surface);color:var(--green)}.h-tabs a small{font:italic 16px Georgia,serif;opacity:.65}.h-reader-body{padding:31px 35px}.h-step{font-size:13px;color:var(--green);margin-bottom:12px}.h-reader-body>h2{font-size:25px;margin-bottom:23px}.h-prose p,.h-term p{font-size:var(--reader-size);line-height:2.05;margin:0 0 24px;overflow-wrap:anywhere}.h-figure{margin:25px 0}.h-figure svg{display:block;width:100%;max-height:345px;border-radius:10px}.h-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;line-height:1.8}.h-takeaway{border-left:3px solid var(--green);padding:19px 22px;background:var(--green-light);border-radius:0 8px 8px 0;font-size:var(--reader-size);line-height:1.95;margin:23px 0}.h-takeaway small{display:block;font-size:13px;color:var(--green);margin-bottom:7px}.h-term{padding-bottom:23px;margin-bottom:23px;border-bottom:1px solid var(--line)}.h-term h3{font-size:24px;margin-bottom:12px}.h-term p{margin-bottom:14px}.h-term>div{background:var(--surface-alt);padding:17px 19px;font-size:calc(var(--reader-size) - 1px);line-height:1.95;border-radius:8px}.h-related{display:flex;flex-direction:column;gap:9px;padding:21px;border:1px solid var(--line);border-radius:9px;margin:18px 0}.h-related small{color:var(--muted)}.h-related b{color:var(--green);font-size:18px}.h-related span{font-size:16px;line-height:1.8}.h-reader-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:30px;padding-top:23px;border-top:1px solid var(--line)}.h-step-link{display:flex;align-items:center;gap:8px;min-height:49px;padding:11px 0;border-top:1px solid var(--line);font-size:14px}.h-step-link.current{color:var(--green);font-weight:600}.h-step-link small{margin-left:auto;white-space:nowrap;font-size:11px;font-weight:400}.h-task{border:1px solid var(--line);border-radius:10px;padding:22px;margin:26px 0;background:var(--surface)}.h-task h3{font-size:22px;line-height:1.6;margin-bottom:20px}.h-material{padding:18px 21px;background:var(--surface-alt);border-radius:8px;margin:18px 0}.h-material small{font-size:13px;color:var(--green);display:block;margin-bottom:8px}.h-material p,.h-prompt{font-size:var(--reader-size);line-height:2!important;white-space:pre-wrap;overflow-wrap:anywhere}.h-options{display:grid;gap:12px;padding:0;margin:21px 0;border:0;min-width:0}.h-option{display:flex;gap:12px;align-items:start;border:1px solid var(--line);border-radius:8px;padding:16px;font-size:var(--reader-size);line-height:1.8;cursor:pointer}.h-option.selected{background:var(--green-light);border-color:var(--green)}.h-option input{margin-top:9px;flex-shrink:0;accent-color:var(--green);width:17px;height:17px}.h-option b{font-family:Georgia,serif;font-weight:500}.h-option span{min-width:0}.h-task .primary{margin-top:3px}.h-feedback{background:var(--surface-alt);border-radius:9px;padding:22px;margin-top:24px;line-height:2}.h-feedback h4{font-size:20px;line-height:1.6;margin:0 0 12px;color:var(--green)}.h-feedback p{font-size:var(--reader-size);line-height:2;white-space:pre-wrap;overflow-wrap:anywhere}.h-feedback.retry h4{color:#946e43}.h-answer-label{display:block;font-size:16px;margin:22px 0 10px}.h-response{width:100%;font-size:var(--reader-size);line-height:2;margin-bottom:15px;min-height:165px}.h-draft-note{font-size:12px;color:var(--muted)}.h-task-error{color:#9c593f;font-size:14px;line-height:1.8;margin-top:14px;white-space:pre-wrap}.h-self-label{font-size:14px!important;color:var(--green);border-top:1px solid var(--line);padding-top:16px;margin:23px 0 11px}.h-rubric{display:flex;gap:11px;align-items:start;font-size:var(--reader-size);line-height:1.9;padding:11px 0;cursor:pointer}.h-rubric input{width:18px;height:18px;flex-shrink:0;margin-top:10px;accent-color:var(--green)}.h-exam-hint,.h-comparison-question{border:1px solid var(--line);border-radius:9px;padding:21px 24px;background:var(--surface-alt);margin:24px 0}.h-exam-hint summary,.h-comparison-question summary{cursor:pointer;color:var(--green);min-height:30px;font-size:18px}.h-exam-hint h3{font-size:20px;margin:20px 0 13px}.h-exam-hint p,.h-comparison-question p{font-size:var(--reader-size);line-height:1.95}.h-exam-hint>a{color:var(--green);text-decoration:underline;font-size:14px}.h-exam-hint>small{display:block;font-size:13px;color:var(--muted);margin-top:14px;line-height:1.9}.h-compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.h-compare-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px}.h-compare-card h2{margin-bottom:7px}.h-compare-card article{border-top:1px solid var(--line);padding:24px 0 4px;margin-top:22px}.h-compare-card small{font-size:14px;color:var(--muted)}.h-compare-card h3{font-size:23px;margin:10px 0}.h-compare-card article p{font-size:var(--reader-size)}.h-compare-card a{color:var(--green)}.h-record-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:22px 0}.h-record-grid h2{font-size:21px}.h-record-link{display:block;padding:16px 0;border-top:1px solid var(--line);font-size:17px;color:var(--green)}.h-record-link span{display:block;font-size:13px;line-height:1.8;color:var(--muted);margin-top:7px}.h-bank-links{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}.h-admin-preview{border:1px solid var(--line);padding:22px;border-radius:8px;background:var(--surface-alt);margin:20px 0}.h-admin-preview p,.h-admin-preview li{font-size:var(--reader-size);line-height:1.9;white-space:pre-wrap}.h-admin-preview>h3{margin-top:14px}.h-map-modal svg{width:100%;display:block;border-radius:8px}.h-map-modal p{font-size:18px;margin-top:22px;line-height:1.9}#main:focus{outline:none}.history-app .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
html[data-theme=night] .h-hero-art svg{mix-blend-mode:normal;opacity:.67}html[data-theme=night] .h-figure svg,html[data-theme=night] .h-map-button svg,html[data-theme=night] .h-map-modal svg{filter:brightness(.75) saturate(.75)}html[data-theme=night] .h-feedback.retry h4{color:#d3b58a}html[data-theme=night] .h-task-error{color:#deb798}
@media(max-width:1200px){.h-hero{padding:30px}.h-hero h1{font-size:35px}.h-era-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.h-stage-layout{grid-template-columns:minmax(0,1fr) 210px;gap:20px}.h-reader-layout{grid-template-columns:minmax(0,1fr) 200px;gap:18px}.h-reader-body{padding:28px}.h-task{padding:20px}.h-side-card{padding:19px}.h-reader-head h1{font-size:32px}.h-tabs a{font-size:13px;gap:6px}.h-prefs>span{display:none}}
@media(max-width:1000px){.h-stage-layout,.h-reader-layout{grid-template-columns:minmax(0,1fr)}.h-stage-aside,.h-reader-aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.h-stage-aside .h-side-card,.h-reader-aside .h-side-card{margin:0}.h-stage-aside .h-side-card:last-child{grid-column:1/-1}.h-reader-body{padding:30px}.h-reader-head h1{font-size:33px}.h-record-grid{grid-template-columns:1fr}.h-hero{grid-template-columns:minmax(0,1.2fr) minmax(190px,.8fr);gap:8px}.h-hero h1{font-size:32px}.h-hero p{font-size:17px}.h-hero .secondary{font-size:13px}.h-hero-art{margin-right:-15px}.h-period-head{padding:27px}.h-period-head h1{font-size:31px}.h-map-button{width:38%}.h-filters select{max-width:215px}.h-compare-card{padding:25px}}
@media(max-width:780px){.h-topline{gap:8px}.h-topline>.quiet-link{font-size:14px}.h-hero{padding:27px;grid-template-columns:minmax(0,1fr) 190px}.h-hero h1{font-size:30px}.h-hero p{font-size:17px}.h-hero-art{align-self:start;margin-top:45px}.h-hero .h-row{position:relative;z-index:1}.h-era{padding:22px}.h-era-grid{gap:15px}.h-era h3{font-size:21px}.h-period-head{align-items:start;gap:18px}.h-period-head h1{font-size:29px}.h-period-head p{font-size:var(--reader-size)}.h-map-button{width:34%;margin-top:24px}.h-question{font-size:17px}.h-compare-grid{gap:16px}.h-compare-card{padding:22px}.h-compare-card h3{font-size:22px}.h-prefs{gap:8px}.h-prefs .font-controls button{width:36px}.h-tabs a{font-size:14px}.h-tabs a small{display:none}.h-reader-body{padding:28px}.h-reader-head{flex-wrap:wrap}.h-reader-head>div:last-child{flex-direction:row;align-items:center;gap:14px}.h-state{font-size:13px;margin-bottom:23px}.h-reader-aside .h-side-card{padding:20px}.h-record-grid{gap:0}.h-search-results{grid-template-columns:1fr}.h-section-title h2{font-size:23px}}
@media(max-width:600px){.side-nav .nav-link{min-width:0;flex:1;padding-left:3px;padding-right:3px;font-size:11px}.h-topline{margin-bottom:18px}.h-topline>.quiet-link{width:100%;min-height:25px}.h-prefs{width:100%;justify-content:space-between}.h-prefs .theme-button{font-size:13px;min-width:51px}.h-prefs .font-controls button{width:40px}.h-hero{display:block;padding:25px}.h-hero h1{font-size:30px;position:relative;z-index:1}.h-hero p{font-size:17px}.h-hero-art{display:none}.h-hero .eyebrow{font-size:9px}.h-hero .h-row{gap:10px}.h-hero .primary,.h-hero .secondary{width:100%;font-size:14px}.h-era-grid{grid-template-columns:1fr}.h-era{padding:25px}.h-era-date{min-height:0}.h-era-bottom{flex-direction:row;justify-content:space-between;flex-wrap:wrap}.h-track{gap:8px}.h-track>a{padding:13px 11px;font-size:21px}.h-track small{font-size:12px}.h-filters{gap:9px}.h-filters input{flex-basis:100%}.h-filters select{min-width:0;max-width:none;font-size:13px}.h-filters button{font-size:13px;padding:10px 13px}.h-section-title{align-items:start;gap:5px;flex-wrap:wrap}.h-section-title h2{font-size:22px}.h-period-head{display:block;padding:24px}.h-period-head h1{font-size:29px}.h-map-button{width:100%;margin-top:22px}.h-map-button svg{max-height:240px}.h-stage-aside,.h-reader-aside{display:block}.h-stage-aside .h-side-card,.h-reader-aside .h-side-card{margin-bottom:16px}.h-timeline{padding-left:17px}.h-timeline:before{left:1px}.h-timeline-row:before{left:-21px}.h-event-card{padding:23px 20px}.h-event-card h3{font-size:24px}.h-event-card .h-card-meta{gap:7px}.h-location{font-size:13px}.h-change{font-size:16px}.h-note{padding:19px;font-size:14px}.h-reader-head h1{font-size:31px}.h-reader-head p{font-size:15px}.h-breadcrumb{font-size:12px;line-height:1.8}.h-reader-body{padding:24px 20px}.h-tabs a{font-size:13px;padding:14px 7px;min-height:64px;line-height:1.7}.h-reader-body>h2{font-size:24px}.h-task{padding:19px 15px;margin:25px -5px}.h-task h3{font-size:22px}.h-card-meta{font-size:12px}.h-material{padding:17px}.h-option{gap:9px;padding:14px 12px}.h-option input{width:16px;height:16px;margin-top:10px}.h-option b{font-size:18px}.h-feedback{padding:18px}.h-term>div{padding:17px}.h-reader-nav .primary,.h-reader-nav .secondary{flex:1;min-width:120px;font-size:13px;padding:10px 12px}.h-exam-hint{padding:19px}.h-compare-grid{grid-template-columns:1fr}.h-compare-card{padding:25px}.h-comparison-question{padding:20px}.h-takeaway{padding:18px}.h-figure figcaption{font-size:12px}.h-record-grid{grid-template-columns:1fr}.h-map-modal p{font-size:var(--reader-size)}.h-hero .primary{white-space:normal}.h-record-link{overflow-wrap:anywhere}}
/* Time and place are primary learning information; keep them legible on tablets. */
.history-app .h-era-date,.history-app .h-card-meta>span:first-child,.history-app .h-location{font-size:16px}
.history-app .h-era-bottom{font-size:14px}
.history-app .h-prefs .font-controls button{min-width:44px;min-height:44px}
/* Curriculum and explained event links use stacked reading cards on touch screens. */
.h-learning-entries,.h-path-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:28px 0}
.h-learning-entries>a,.h-path-card{display:flex;flex-direction:column;gap:12px;padding:26px;border:1px solid var(--line);border-radius:12px;background:var(--surface);min-width:0}
.h-learning-entries>a:hover,.h-path-card:hover{border-color:var(--green)}
.h-learning-entries small,.h-path-card>small,.h-path-mini small{font-size:14px;color:var(--muted)}
.h-learning-entries h2,.h-path-card h2{font-size:23px;margin:0}.h-learning-entries p,.h-path-card p{font-size:18px;margin:0}.h-learning-entries b,.h-path-card>b{font-size:16px;color:var(--green);margin-top:auto}
.h-learning-nav{display:flex;flex-wrap:wrap;gap:10px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:28px}.h-learning-nav a{display:flex;align-items:center;min-height:44px;padding:9px 15px;border-radius:7px;font-size:16px}.h-learning-nav [aria-current]{background:var(--green-light);color:var(--green)}
.h-coverage-stats{display:flex;gap:26px;flex-wrap:wrap;margin:24px 0}.h-coverage-stats>span{color:var(--muted);font-size:16px}.h-coverage-stats b{font:32px Georgia,serif;color:var(--green);margin-right:9px}
.h-curriculum-unit{margin:14px 0;border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden}.h-curriculum-unit>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px;cursor:pointer;min-height:68px}.h-curriculum-unit>summary>span:first-child{display:grid;gap:7px}.h-curriculum-unit>summary small{color:var(--muted);font-size:14px}.h-curriculum-unit>summary b{font-size:21px;line-height:1.6}.h-curriculum-unit .h-badge{margin-left:auto}
.h-curriculum-body{padding:0 24px 24px}.h-curriculum-body>p{font-size:var(--reader-size)}.h-knowledge-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.h-knowledge-tags span{padding:7px 12px;border-radius:6px;background:var(--surface-alt);font-size:16px}.h-book-label{color:var(--muted);font-size:16px!important}.h-book-label small{font-size:14px}.h-curriculum-event{display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:17px 0}.h-curriculum-event>div{display:grid;gap:8px;min-width:0}.h-curriculum-event small{font-size:15px;color:var(--muted)}.h-curriculum-event a:first-of-type{color:var(--green);font-size:18px;line-height:1.8}.h-curriculum-event>.secondary{font-size:14px;flex-shrink:0;min-height:44px}.h-gap-note{background:var(--surface-alt);padding:17px 20px;border-radius:8px}.h-gap-note b{display:block;color:var(--green);font-size:14px;margin-bottom:8px}
.h-relation-legend{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.h-relation-kind{display:inline-flex;align-items:center;background:var(--green-light);color:var(--green);border:1px solid var(--line);border-radius:5px;padding:6px 11px;font-size:14px}.h-relation-kind.cause{background:var(--surface-alt)}.h-relation-kind.continuity{background:var(--surface)}
.h-path-preview{font-size:15px;color:var(--muted);line-height:1.9;padding:17px 0;border-top:1px solid var(--line)}.h-path-preview>span{padding:0 4px;color:var(--green)}.h-path-question{padding:25px 28px;background:var(--green-light);border-radius:12px;margin:25px 0}.h-path-question small{font-size:14px;color:var(--green)}.h-path-question h2{margin:10px 0 0}.h-path-steps{padding:0;list-style:none;margin:30px 0}.h-path-steps li{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}.h-path-number{display:flex;justify-content:center;align-items:center;flex-shrink:0;width:43px;height:43px;border-radius:50%;background:var(--green-light);color:var(--green);font:22px Georgia,serif}.h-path-steps li>div{min-width:0}.h-path-steps small{font-size:16px;color:var(--muted)}.h-path-steps h3{font-size:24px;line-height:1.6;margin:8px 0 13px}.h-path-steps p{font-size:var(--reader-size)}
.h-connection{padding:26px;border:1px solid var(--line);border-radius:10px;background:var(--surface);margin:21px 0;min-width:0}.h-connection h3{margin:17px 0;font-size:23px;line-height:1.6}.h-connection p,.h-path-transfer>p{font-size:var(--reader-size);line-height:2;overflow-wrap:anywhere}.h-connection-endpoints{display:grid;grid-template-columns:minmax(0,1fr) 22px minmax(0,1fr);gap:12px;align-items:center;margin:17px 0 24px}.h-connection-endpoints a{padding:13px;background:var(--surface-alt);border-radius:8px;font-size:17px;line-height:1.8;color:var(--green)}.h-connection-endpoints small{display:block;font-size:14px;color:var(--muted);margin-top:8px}.h-connection-endpoints>span{text-align:center}.h-connection-think{border-top:1px solid var(--line);padding-top:15px;margin-top:20px}.h-connection-think summary{font-size:18px;line-height:1.9;color:var(--green);cursor:pointer;min-height:44px;padding:7px 0}.h-connection-think p{font-size:var(--reader-size);margin:14px 0}.h-connection .h-sources{padding-top:12px;margin-top:15px}.h-connection .h-sources p{font-size:14px}
.h-path-transfer{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px;margin:30px 0}.h-path-mini{display:grid;gap:10px;padding:18px 21px;border:1px solid var(--line);border-radius:8px;margin:13px 0;color:var(--green)}.h-learning-return{display:flex;flex-wrap:wrap;gap:14px;align-items:center;background:var(--green-light);padding:17px 20px;border-radius:9px;margin:18px 0 25px;font-size:15px;line-height:1.9}.h-learning-return span{color:var(--muted)}.h-learning-return a{display:inline-flex;min-height:44px;align-items:center;color:var(--green)}
@media(max-width:780px){.h-learning-entries,.h-path-grid{gap:15px}.h-path-card,.h-learning-entries>a{padding:22px}.h-learning-entries h2,.h-path-card h2{font-size:22px}.h-connection{padding:22px}.h-connection-endpoints a{font-size:16px}}
@media(max-width:600px){.h-learning-entries,.h-path-grid{grid-template-columns:1fr}.h-curriculum-unit>summary{padding:19px;gap:10px}.h-curriculum-unit>summary b{font-size:19px}.h-curriculum-body{padding:0 19px 19px}.h-curriculum-event{align-items:start;flex-direction:column}.h-coverage-stats{gap:16px}.h-coverage-stats b{font-size:28px}.h-coverage-stats>span{font-size:14px}.h-connection{padding:20px}.h-connection-endpoints{grid-template-columns:1fr}.h-connection-endpoints>span{transform:rotate(90deg)}.h-path-steps li{gap:13px}.h-path-steps h3{font-size:22px}.h-path-transfer,.h-path-question{padding:22px}.h-learning-return{display:grid;gap:3px}.h-event-connections .h-connection{margin-left:-5px;margin-right:-5px}}
/* A short, anonymous reading trial: student prompts and teacher evidence remain distinct. */
.h-trial-actions{margin:24px 0;flex-wrap:wrap}.h-trial-switch{display:flex;flex-wrap:wrap;gap:12px;margin:25px 0}.h-trial-switch [aria-pressed=true]{background:var(--green);color:var(--surface);border-color:var(--green)}
.h-trial-tasks{padding:0;margin:26px 0;list-style:none;display:grid;gap:20px}.h-trial-tasks>li{display:flex;gap:22px;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:12px}.h-trial-tasks>li>div{min-width:0}.h-trial h2{font-size:24px;line-height:1.6;margin:0 0 16px}.h-trial p,.h-trial-guide li{font-size:var(--reader-size);line-height:2;overflow-wrap:anywhere}.h-trial-tasks p{margin:0}.h-trial-guide{padding:24px;background:var(--surface-alt);border-radius:12px}.h-trial-guide summary{cursor:pointer;min-height:44px;line-height:1.8;font-size:20px;color:var(--green)}.h-trial-guide ul{padding-left:24px}.h-trial-guide li+li{margin-top:10px}
.h-trial-records{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:30px}.h-trial-records select{max-width:100%}.h-trial-meta,.h-trial-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:25px 0}.h-trial label{display:grid;gap:12px;color:var(--muted);font-size:16px;line-height:1.8}.h-trial input,.h-trial textarea,.h-trial select{min-width:0;width:100%;font-size:var(--reader-size);line-height:1.7;box-sizing:border-box}.h-trial textarea{resize:vertical;min-height:124px}.h-trial input,.h-trial select{min-height:48px}.h-trial-observation{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:28px;margin:24px 0}.h-trial-outcome{margin-top:25px;max-width:360px}.h-trial-followup{padding:28px;background:var(--surface-alt);border-radius:12px}.h-trial-followup .h-row{margin-top:25px;flex-wrap:wrap}.h-gap-review{border-top:1px solid var(--line);margin-top:24px;padding-top:14px;font-size:17px;line-height:1.9}.h-gap-review h3{font-size:20px}.h-gap-review h4{margin:18px 0 8px}.h-gap-review ul{padding-left:24px}.h-gap-review li+li{margin-top:8px}#h-trial-print{display:none}
@media(max-width:600px){.h-trial-meta,.h-trial-fields{grid-template-columns:1fr}.h-trial-tasks>li{padding:20px;gap:14px}.h-trial-tasks h2{font-size:22px}.h-trial-observation,.h-trial-followup,.h-trial-guide{padding:20px}.h-trial-actions>*{width:100%;justify-content:center}.h-trial-records{align-items:stretch}.h-trial-records>*{width:100%}}
@media print{
 body[data-trial-print]{background:#fff!important;color:#111!important;margin:0!important;padding:0!important}
 body[data-trial-print]>:not(#h-trial-print){display:none!important}
 body[data-trial-print] #h-trial-print{display:block!important;color:#111;font:16px/1.8 "PingFang SC","Microsoft YaHei",sans-serif;padding:8mm;overflow-wrap:anywhere}
 #h-trial-print h1{font-size:26px;line-height:1.5}#h-trial-print h2{font-size:22px}#h-trial-print h3{font-size:19px;break-after:avoid}#h-trial-print p{white-space:pre-wrap;margin:12px 0}#h-trial-print li{margin:7px 0}.h-trial-print-task{margin:24px 0;border-top:1px solid #888;padding-top:8px}.h-trial-writing-lines{height:28px;border-bottom:1px solid #bbb;margin:8px 0;break-inside:avoid}
 @page{size:A4;margin:12mm}
}