/* Course authoring and learning use one brand with task-specific composition. */
.academy-editor,.academy-library{--academy-line:var(--line,#e3dfd7);--academy-muted:var(--muted,#736c7c);min-width:0}
.academy-grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px;align-items:start}
.academy-sidebar,.academy-main{min-width:0}
.academy-sidebar{position:sticky;top:96px;display:grid;gap:20px}
.academy-sidebar>section,.academy-checklist{padding:20px;border:1px solid var(--academy-line);border-radius:8px;background:#fff}
.academy-sidebar h2,.academy-sidebar h3{margin:0 0 14px;font-size:17px;line-height:1.4;letter-spacing:-.3px}
.academy-sidebar p,.academy-sidebar li{font-size:13px;line-height:1.7;color:var(--academy-muted)}
.academy-sidebar :is(a,button){min-height:44px}
.academy-checklist{margin:0 0 24px}
.academy-checklist h2,.academy-checklist h3{margin:0 0 12px;font-size:18px}
.academy-checklist ul,.academy-checklist ol{display:grid;gap:8px;margin:0;padding-left:21px}
.academy-checklist li{font-size:13px;line-height:1.65}
.academy-section{min-width:0;margin-block:0 24px;padding:24px;border:1px solid var(--academy-line);border-radius:8px;background:#fff}
.academy-section>header{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px}
.academy-section h2,.academy-section h3{margin:0 0 12px;font-size:21px;line-height:1.35;letter-spacing:-.5px;overflow-wrap:anywhere}
.academy-section>p{font-size:14px;line-height:1.75;color:var(--academy-muted)}
.academy-section :is(input,select,textarea){max-width:100%;min-width:0;font-size:14px}
.academy-section summary{min-height:44px;padding-block:10px;cursor:pointer;font-weight:650;font-size:15px;line-height:1.6}
.academy-lesson{min-width:0;margin-top:14px;padding:20px;border:1px solid var(--academy-line);border-radius:6px;background:var(--soft,#f7f5f0)}
.academy-lesson h3,.academy-lesson h4{font-size:16px;line-height:1.5;margin:0 0 12px;overflow-wrap:anywhere}
.academy-lesson>p{font-size:13px;line-height:1.7;color:var(--academy-muted)}
.academy-lesson video,.academy-lesson iframe{display:block;width:100%;max-height:65dvh;border:0;background:#242032;border-radius:6px}
.academy-inline,.academy-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;min-width:0}
.academy-inline>.field{flex:1 1 180px;min-width:0;margin:0}
.academy-actions{margin-top:20px;padding-top:18px;border-top:1px solid var(--academy-line)}
.academy-actions .btn{min-height:44px}
.academy-meta{display:flex;align-items:center;flex-wrap:wrap;gap:7px 14px;color:var(--academy-muted);font-size:13px;line-height:1.6}
.academy-meta>span{overflow-wrap:anywhere}
.academy-filter{display:flex;align-items:end;flex-wrap:wrap;gap:12px;margin-block:24px;padding:20px;border-block:1px solid var(--academy-line);background:#fff}
.academy-filter>.field,.academy-filter>label{flex:1 1 180px;min-width:0;margin:0}
.academy-filter :is(input,select,button){min-height:44px;max-width:100%}
.academy-library .academy-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.academy-library article{min-width:0}
.academy-access{padding:20px;border:1px solid var(--academy-line);border-radius:8px;background:var(--soft,#f7f5f0);font-size:14px;line-height:1.75}
.academy-access h2,.academy-access h3{margin:0 0 12px;font-size:19px}
.academy-access>p{margin:8px 0;color:var(--academy-muted)}
.academy-editor [hidden],.academy-library [hidden]{display:none!important}
.academy-editor>.panel-title-row .backlink{display:block;width:fit-content;margin-bottom:14px}
.academy-editor :focus-visible,.academy-library :focus-visible{outline:3px solid var(--brand,#5634a8);outline-offset:3px}
@media(max-width:1100px){.academy-grid{grid-template-columns:minmax(0,1fr) 230px;gap:18px}.academy-library .academy-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.academy-section{padding:20px}}
@media(max-width:800px){.academy-grid{grid-template-columns:minmax(0,1fr)}.academy-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.academy-sidebar>.academy-checklist{margin:0}.academy-section{padding:20px}.academy-filter{padding:18px}}
@media(max-width:540px){.academy-sidebar{grid-template-columns:minmax(0,1fr)}.academy-library .academy-grid{grid-template-columns:minmax(0,1fr)}.academy-section,.academy-lesson,.academy-access{padding:16px}.academy-section h2{font-size:20px}.academy-inline{align-items:stretch}.academy-inline>.field{flex-basis:100%}.academy-actions{gap:8px}.academy-actions>.btn{flex:1 1 140px}.academy-filter{padding:16px;gap:14px}.academy-filter>.field,.academy-filter>label{flex-basis:100%}.academy-editor :is(input,select,textarea),.academy-library :is(input,select,textarea){font-size:16px}}
@media(prefers-reduced-motion:reduce){.academy-editor *,.academy-library *{scroll-behavior:auto;animation:none;transition:none}}
/* Actual authoring markup: wide main, compact publication/access rail. */
.academy-main>.content-card{margin-bottom:24px;padding:24px;border-radius:8px;box-shadow:none}
.academy-section-heading{display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:14px}
.academy-section-heading h3{margin:0;font-size:18px;line-height:1.5}
.academy-section-heading small{display:block;margin-top:6px;font-size:13px;line-height:1.7;color:var(--academy-muted)}
.academy-section-heading>.academy-actions,.tablewrap .academy-actions{margin:0;padding:0;border:0;gap:6px}
.academy-actions form{margin:0;min-width:0}
.academy-sidebar .academy-checklist{padding:0 0 0 18px;border:0;background:transparent;border-radius:0;margin-bottom:20px;display:grid;gap:8px}
.academy-sidebar .academy-checklist li{font-size:13px;line-height:1.7}
.academy-sidebar>.content-card{padding:20px;border-radius:8px;box-shadow:none}
.academy-sidebar .academy-actions{display:grid;align-items:stretch;gap:8px;margin:0;padding:0;border:0}
.academy-cover-preview{display:block;width:min(100%,300px);aspect-ratio:16/10;object-fit:cover;margin-top:12px;border-radius:6px;border:1px solid var(--academy-line)}
.academy-lesson-image{display:block;max-width:100%;height:auto;margin-block:24px;border:1px solid var(--line,#e3dfd7);border-radius:6px}
.academy-add-lesson{margin-top:24px;padding-top:16px;border-top:1px solid var(--academy-line)}
.academy-add-lesson>summary,.academy-lesson>details>summary{min-height:44px;padding-block:10px;font-size:14px;font-weight:650;cursor:pointer}
.academy-lesson-form{padding-top:18px}
.academy-lesson-form>details{margin-bottom:20px}
.academy-inline>input:not([type=hidden]),.academy-inline>select{flex:1 1 180px;min-width:0;min-height:44px}
.academy-student-list{margin-top:20px}
.academy-student-list>article{padding:16px 0;border-top:1px solid var(--academy-line)}
.academy-student-list b,.academy-student-list small{display:block;overflow-wrap:anywhere}
.academy-student-list small{font-size:12px;color:var(--academy-muted);line-height:1.7;margin:6px 0 12px}
.academy-video-controls{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;padding:16px 0;font-size:13px;line-height:1.7;color:var(--muted,#736c7c)}
.academy-video-controls select{min-height:44px;max-width:100px;font-size:14px}
.academy-video-controls [role=status]{flex:1 1 200px}
.academy-filter>input:not([type=hidden]),.academy-filter>select{flex:1 1 190px;min-width:0;width:auto}
.academy-filter>label:has(input[type=checkbox]){display:flex;flex:0 1 auto;align-items:center;gap:8px;min-height:44px}
.academy-filter input[type=checkbox]{width:18px;height:18px;min-height:18px;accent-color:var(--brand,#5634a8)}
.academy-library progress{display:block;width:100%;height:8px;accent-color:var(--brand,#5634a8);margin-block:14px}
.academy-library>.library-card>small{display:block;line-height:1.65;overflow-wrap:anywhere}
.academy-library>.library-card>.btn{max-width:100%}
.academy-library>.library-card>.btn+small{margin-block:12px 8px}
.academy-library>.library-card>.text-link{display:inline-flex;align-items:center;min-height:44px}
.academy-section.is-archived,.academy-lesson.is-archived{background:var(--soft,#f7f5f0);border-style:dashed}
@media(max-width:540px){.academy-main>.content-card{padding:18px}.academy-section-heading{display:block}.academy-section-heading>.academy-actions{display:flex;margin-top:14px}.academy-inline>input:not([type=hidden]),.academy-inline>select{flex-basis:100%}.academy-filter>input:not([type=hidden]),.academy-filter>select{width:100%;flex-basis:100%}.academy-video-controls select{font-size:16px}}

/* Visual sprint: authoring is an ordered work surface with one publication rail. */
.academy-editor .page-heading{margin-bottom:30px}
.academy-editor .academy-grid{gap:28px;grid-template-columns:minmax(0,1fr) 280px}
.academy-main>.content-card{padding:28px;background:var(--card,#fff);border-color:var(--line);border-radius:8px}
.academy-main>.content-card>h2,.academy-sidebar h2{font-family:var(--font-heading);letter-spacing:-.5px}
.academy-main>.content-card>h2{font-size:24px;margin:0 0 24px}
.academy-main .academy-section{border:0;border-top:1px solid var(--line);border-radius:0;padding:25px 0 0;margin-top:28px;background:transparent}
.academy-section-heading h3{font-family:var(--font-heading);font-size:19px;letter-spacing:-.4px}
.academy-lesson{border-radius:6px;background:var(--soft,#f8f6f1);padding:20px}
.academy-lesson>.academy-section-heading{margin-bottom:4px}
.academy-lesson>details>summary{color:var(--brand);font-size:12px;min-height:40px}
.academy-section-heading strong{font-size:14px;color:var(--ink);line-height:1.6}
.academy-sidebar>.content-card{background:var(--surface-subtle,#f4f0f8);padding:22px;border-color:var(--line);border-radius:6px}
.academy-sidebar>.content-card:first-child{border-top:3px solid var(--brand)}
.academy-sidebar .academy-checklist li{padding-block:4px;font-size:12px}
.academy-sidebar>section>form>.btn{width:100%;font-size:12px;min-height:44px}
.academy-sidebar .text-link{font-size:12px;line-height:1.8}
.academy-sidebar .muted{font-size:12px;line-height:1.8}
.academy-sidebar .notice{font-size:12px;line-height:1.8}
.academy-access{background:var(--surface-subtle,#f4f0f8)}
.academy-filter{border:1px solid var(--line);border-radius:6px;padding:14px;background:var(--card,#fff);gap:10px}
.academy-filter>input:not([type=hidden]),.academy-filter>select{font-size:13px}
.academy-filter>input:not([type=hidden]){flex-grow:2}
.academy-filter>.btn{min-width:98px;font-size:12px}
.academy-editor .tablewrap tbody td:first-child{min-width:220px}
.academy-editor .tablewrap tbody td:first-child>b{display:block;line-height:1.6}
.academy-editor .tablewrap tbody td:first-child>small{display:block;font-size:11px;margin-top:7px;line-height:1.7}
.academy-editor .course-composer{padding:0;border-color:var(--line);border-radius:6px}
.academy-editor .course-composer>summary{padding:18px 23px;min-height:56px;cursor:pointer;font-size:14px;font-weight:700}
.academy-editor .course-composer[open]>summary{border-bottom:1px solid var(--line)}
.academy-editor .course-composer>.padded{padding:24px}
.academy-video-controls{border-bottom:1px solid var(--line);padding:15px 0 19px;margin-bottom:23px;font-size:12px}
.academy-video-controls>label{font-size:11px;font-weight:700;color:var(--ink)}
.academy-video-controls>select{background:var(--card,#fff);border:1px solid var(--line);border-radius:5px;min-width:80px;font-size:13px}
.academy-library>.library-card{border-top:3px solid var(--brand);border-radius:6px;box-shadow:none}
.academy-library>.library-card>h2{font-family:var(--font-heading);font-size:21px;line-height:1.4;letter-spacing:-.6px;margin-top:17px}
.academy-library>.library-card>p{font-size:12px}
.academy-library>.library-card>small{font-size:11px}
.academy-library>.library-card>.btn{min-height:44px;font-size:12px}
.academy-library progress{height:6px;border:0;border-radius:3px;overflow:hidden;background:var(--brand-soft);margin-block:18px}
.academy-library progress::-webkit-progress-bar{background:var(--brand-soft)}
.academy-library progress::-webkit-progress-value{background:var(--brand);border-radius:3px}
.academy-library progress::-moz-progress-bar{background:var(--brand);border-radius:3px}
@media(max-width:1100px){.academy-editor .academy-grid{grid-template-columns:minmax(0,1fr) 245px;gap:20px}.academy-main>.content-card{padding:23px}.academy-sidebar>.content-card{padding:20px}}
@media(max-width:800px){.academy-editor .academy-grid{grid-template-columns:1fr}.academy-sidebar{grid-template-columns:repeat(2,minmax(0,1fr));position:static}.academy-sidebar>section:first-child{grid-column:1/-1}.academy-sidebar .academy-actions{display:flex;flex-wrap:wrap}.academy-sidebar .academy-actions>.btn{flex:1 1 140px}.academy-filter{padding:13px}}
@media(max-width:540px){.academy-main>.content-card{padding:20px}.academy-main>.content-card>h2{font-size:22px}.academy-main .academy-section{padding-top:21px}.academy-lesson{padding:17px}.academy-sidebar{grid-template-columns:1fr}.academy-section-heading strong{font-size:13px}.academy-filter>input:not([type=hidden]),.academy-filter>select,.academy-section :is(input,select,textarea){font-size:16px}.academy-filter>.btn{width:100%}.academy-video-controls{gap:10px 12px}.academy-video-controls>select{font-size:16px}.academy-video-controls>[role=status]{flex-basis:100%}.academy-library>.library-card>h2{font-size:20px}}

.academy-main>.content-card>header,.academy-main>.content-card>.academy-section-heading{padding-bottom:16px;border-bottom:1px solid var(--line)}
.academy-course-shortcuts{border-top:2px solid var(--brand)}

/* A real sample lesson is offered only when the instructor explicitly opens one. */
.course-sample-action{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:24px 0 6px}.course-sample-action>span{font-size:13px;color:var(--muted,#706a7c)}
.public-lesson-preview{max-width:1000px;padding-top:32px;padding-bottom:56px}.public-lesson-preview header{margin:28px 0}.public-lesson-preview h1{font-size:clamp(28px,4vw,44px);line-height:1.18;max-width:24ch}.public-lesson-preview .player{background:#1d1925;border-radius:12px;overflow:hidden}.public-lesson-preview video{display:block;width:100%;max-height:65vh}.public-lesson-preview .lesson-content{margin:28px 0;line-height:1.8;overflow-wrap:anywhere}.public-lesson-preview>footer{margin-top:32px;padding-top:24px;border-top:1px solid #e5e1ea}
@media(max-width:600px){.course-sample-action{gap:10px;margin-top:20px}.course-sample-action>span{width:100%}.public-lesson-preview{padding-top:22px}.public-lesson-preview .pdf-frame{min-height:60vh}}

.public-lesson-preview .public-preview-embed{display:block;width:100%;aspect-ratio:16/9;height:auto;border:0;background:#17121f}

/* Keep course discovery first on a phone; detailed filters remain one action away. */
.public-catalog .catalog-refine{margin:0;border:0;border-radius:0;padding:0;background:transparent}
.public-catalog .catalog-refine>summary,.public-catalog .catalog-refine-apply{display:none}
@media(max-width:600px){.public-catalog .catalog-refine>summary{display:flex;align-items:center;justify-content:space-between;min-height:46px;padding:10px 15px;cursor:pointer;border-top:1px solid var(--line);font-size:13px;font-weight:600;list-style:none}.public-catalog .catalog-refine>summary::-webkit-details-marker{display:none}.public-catalog .catalog-refine[open]>summary svg{transform:rotate(180deg)}.public-catalog .catalog-refine-apply{display:flex;margin:12px 15px}.public-catalog .catalog-refine:not([open])>.catalog-facets,.public-catalog .catalog-refine:not([open])>.catalog-refine-apply{display:none}.public-catalog .catalog-categories{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding-bottom:8px;scrollbar-width:thin}.public-catalog .catalog-categories>a{flex:0 0 auto}}

/* Catalog first view: keep course titles near discovery controls, scoped to this page. */
.public-catalog{padding-top:18px}
.public-catalog .catalog-heading{align-items:center;gap:18px;margin-bottom:12px}
.public-catalog .catalog-heading h1{font-size:34px;line-height:1.12;margin:4px 0 6px}
.public-catalog .catalog-heading p{font-size:14px;line-height:1.5}
.public-catalog .catalog-teacher-link{min-height:44px;padding-block:8px;margin:0}
.public-catalog .catalog-search-row{padding:6px 14px;gap:12px}
.public-catalog .catalog-search-field input{min-height:44px;padding-block:8px}
.public-catalog .catalog-search-row>.btn{min-height:44px}
.public-catalog .catalog-filter-select{padding:4px 14px}
.public-catalog .catalog-filter-select select{min-height:44px}
.public-catalog .catalog-categories{margin-top:10px}
.public-catalog .catalog-results-bar{margin:12px 0;gap:12px}
.public-catalog .catalog-results-bar select,.public-catalog .catalog-results-bar .btn,.public-catalog .catalog-reset{min-height:44px}
.public-catalog .learning-card-art{height:170px}
.public-catalog .learning-card-art>.course-cover-sheet{min-height:170px}
.public-catalog .learning-card-content{padding:16px 18px 18px}
.public-catalog .learning-card h2{margin:8px 0;font-size:19px;line-height:1.35}
.public-catalog .learning-card h2 a{display:block;min-height:44px}
.public-catalog .learning-card-teacher,.public-catalog .learning-card footer a,.public-catalog .catalog-footnote>a{min-height:44px}
@media(max-width:600px){
 .public-catalog{padding-top:18px}
 .public-catalog .catalog-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-bottom:14px}
 .public-catalog .catalog-heading h1{font-size:30px;letter-spacing:-.8px}
 .public-catalog .catalog-heading p{font-size:13px;line-height:1.5}
 .public-catalog .catalog-teacher-link{gap:5px;font-size:12px;align-self:center}
 .public-catalog .catalog-search-row{padding:8px 10px;gap:8px}
 .public-catalog .catalog-search-row>.btn{padding-inline:12px}
 .public-catalog .catalog-refine>summary{min-height:44px;padding:8px 13px}
 .public-catalog .catalog-refine-apply{min-height:44px}
 .public-catalog .catalog-results-bar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,216px);align-items:center;gap:8px;margin:12px 0}
 .public-catalog .catalog-results-bar>div{display:block}
 .public-catalog .catalog-results-bar p{font-size:12px;line-height:1.5}
 .public-catalog .catalog-results-bar form{width:auto;gap:4px;padding:0;border:0}
 .public-catalog .catalog-results-bar label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
 .public-catalog .catalog-results-bar select{width:100%;min-width:0;max-width:none;flex:1;font-size:12px;padding-inline:4px}
 .public-catalog .catalog-results-bar .btn{flex:none;padding-inline:10px}
 .public-catalog .catalog-reset{font-size:11px;gap:4px}
 .public-catalog .learning-card-art{height:165px}
 .public-catalog .learning-card-art>.course-cover-sheet{min-height:165px}
 .public-catalog .learning-card-content{padding:16px 18px 18px}
}