/* Learner compositions. Foundation tokens, fonts, icons and brand assets are shared. */
:root{--canvas:var(--ds-canvas);--surface:var(--ds-surface);--ink:var(--ds-ink);--text:var(--ds-text);--muted:var(--ds-muted);--line:var(--ds-line);--brand:var(--ds-brand);--soft:var(--ds-soft);--green:var(--ds-success);--scale:1;color-scheme:light;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--text);font-family:var(--ds-font-ui,Inter,Arial,sans-serif);font-size:calc(16px * var(--scale));line-height:1.6}body[data-large=true]{--scale:1.125}button,input,select{font:inherit;color:inherit}button,a,select,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-underline-offset:4px}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.25;color:var(--ink);letter-spacing:-.03em}h1{font-size:calc(clamp(32px,3.3vw,46px) * var(--scale));font-weight:700}h2{font-size:calc(24px * var(--scale));font-weight:650}h3{font-size:calc(20px * var(--scale));font-weight:650}p{overflow-wrap:anywhere}button,a,input,select,summary{outline-offset:4px}:focus-visible{outline:3px solid var(--brand)}[hidden]{display:none!important}.skip{position:fixed;top:-80px;inset-inline-start:20px;z-index:150;padding:12px 20px;background:var(--ink);color:white;border-radius:12px}.skip:focus{top:8px}.icon,.ds-icon{width:20px;height:20px;flex:none;vertical-align:middle}main{max-width:1264px;padding:48px 32px 80px;margin:auto;min-height:calc(100dvh - 188px)}.intro{margin-bottom:36px;max-width:850px}.eyebrow{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:12px;letter-spacing:.025em}.intro>p:not(.eyebrow){color:var(--muted);margin-top:16px;max-width:65ch;font-size:calc(18px * var(--scale));line-height:1.65}.intro .local-progress-note{display:flex;align-items:center;gap:8px;font-size:14px}.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:16px}.search{display:flex;align-items:center;gap:12px;border:1px solid var(--ds-control-line);background:var(--surface);border-radius:14px;flex:1;padding:0 16px;min-width:0;color:var(--muted)}.search input{border:0;background:transparent;min-width:0;width:100%;height:54px;outline:none;font-size:calc(16px * var(--scale));color:var(--text)}.search:focus-within{outline:3px solid var(--soft);border-color:var(--brand)}.filter-button{min-height:54px}.filter-count{display:grid;place-items:center;min-width:24px;height:24px;padding:0 6px;background:var(--soft);color:var(--brand);font-size:14px;border-radius:7px}.chips{display:flex;flex-wrap:wrap;gap:8px}.language-chip{background:#f4f2f7;color:var(--muted)}.filter-chips:empty{display:none}.removable-chip{min-height:44px;padding:8px 12px;text-align:start}.removable-chip svg{width:16px;height:16px}.results-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:24px 0 18px;color:var(--muted);font-size:14px}.results-meta #count{font-weight:600;color:var(--text)}.learning-tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:28px;overflow-x:auto}.learning-tabs a{display:flex;align-items:center;gap:8px;min-height:52px;text-decoration:none;padding:12px 16px;white-space:nowrap;color:var(--muted);border-bottom:3px solid transparent;font-weight:600}.learning-tabs a[aria-current=page]{border-color:var(--brand);color:var(--brand)}.tab-count{font-size:14px;min-width:24px;padding:1px 6px;text-align:center;border-radius:6px;background:var(--soft);color:var(--brand)}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.placeholder-art{display:grid;place-items:center;color:var(--brand)}.placeholder-art svg{width:40px;height:40px}.avatar{width:32px;height:32px;object-fit:cover;border-radius:50%;flex:none}.progress-copy{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted);margin-bottom:9px}.progress-track{height:6px;background:var(--soft);border-radius:99px;overflow:hidden}.progress-track span{display:block;background:var(--brand);height:100%}.course-grid.list{grid-template-columns:1fr;gap:18px}.list .wide-cover .art{aspect-ratio:16/9}.empty{padding:64px 24px;border:1px solid var(--line);border-radius:22px;display:grid;justify-items:center;text-align:center;gap:18px;background:var(--surface)}.empty .empty-symbol{width:72px;height:72px;border-radius:22px;background:var(--soft);display:grid;place-items:center;color:var(--brand);margin-bottom:6px}.empty-symbol svg{width:28px;height:28px}.empty h2{max-width:28ch}.empty p{max-width:52ch;color:var(--muted)}.empty .button{margin-top:4px}.no-results{display:block!important}.loading{display:flex;align-items:center;justify-content:center;gap:14px;min-height:240px;color:var(--muted)}.loading-mark{width:22px;height:22px;border:2px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.back{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--muted);text-decoration:none;margin-bottom:24px}.back:hover{color:var(--brand)}.detail-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px;align-items:center;margin-bottom:52px}.detail-art{padding:12px;border:1px solid var(--line);border-radius:24px;background:var(--surface)}.detail-art .art{aspect-ratio:16/9;object-fit:contain;border-radius:16px;width:100%;background:var(--soft)}.detail-hero h1{margin:18px 0;font-size:calc(clamp(32px,3vw,42px) * var(--scale))}.detail-description{font-size:calc(18px * var(--scale));color:var(--muted);line-height:1.65}.course-facts{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:20px;font-size:14px;color:var(--muted)}.course-facts span+span:before{content:'·';padding-inline-end:16px}.detail-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:28px 0 0}.instructor-link{display:flex;align-items:center;gap:10px;min-height:48px;padding:4px 0;border:0;background:transparent;text-align:start;font-size:14px}.instructor-link strong{display:block;color:var(--ink);font-weight:600}.detail-progress{margin-top:24px;max-width:440px}.detail-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr);gap:32px;align-items:start}.detail-section{margin-bottom:32px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:24px}.section-heading>span{font-size:14px;color:var(--muted);white-space:nowrap}.outcomes{padding:28px;border-radius:22px;background:var(--surface);border:1px solid var(--line)}.objectives{padding:0;list-style:none;display:grid;gap:18px;margin:0}.objectives li{display:flex;align-items:flex-start;gap:12px}.objectives svg{margin-top:3px;color:var(--green);width:20px;height:20px}.module{border:1px solid var(--line);border-radius:20px;background:var(--surface);overflow:hidden;margin-bottom:18px}.module-heading{padding:22px 24px;background:#fcfbfe;border-bottom:1px solid var(--line)}.module-heading>span{font-size:14px;color:var(--muted)}.module h3{font-size:18px;margin-top:5px}.module ol{list-style:none;padding:0;margin:0}.lesson-row{display:flex;align-items:center;gap:16px;padding:20px 24px;text-decoration:none;border-bottom:1px solid var(--line)}.module li:last-child .lesson-row{border-bottom:0}.lesson-row:hover{background:var(--soft)}.lesson-number{width:36px;height:36px;background:var(--soft);color:var(--brand);border-radius:11px;display:grid;place-items:center;flex:none;font-size:14px;font-weight:600}.is-complete .lesson-number{background:var(--ds-success-soft);color:var(--green)}.lesson-copy{display:grid;gap:4px;flex:1;min-width:0}.lesson-name{font-size:calc(16px * var(--scale));font-weight:550}.lesson-meta{font-size:14px;color:var(--muted)}.lesson-row>svg{color:var(--muted);width:18px;height:18px}.instructor-panel{padding:26px;border:1px solid var(--line);border-radius:22px;background:var(--surface)}.instructor-intro{display:flex;gap:16px;align-items:center;margin:20px 0}.instructor-intro>img{width:64px;height:64px;object-fit:cover;border-radius:50%;flex:none}.instructor-intro h2{font-size:22px}.instructor-panel p{color:var(--muted);font-size:16px}.instructor-intro p{font-size:14px;line-height:1.5;margin-top:6px}.instructor-panel .button{width:100%;margin-top:22px}.instructor-panel .persona-note,.persona-note{font-size:14px;color:var(--muted);margin-top:18px}.learning-note{display:flex;gap:14px;padding:24px 4px;color:var(--muted)}.learning-note>svg{margin-top:3px}.learning-note h3{font-size:16px;margin-bottom:6px}.learning-note p{font-size:14px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:14px 20px;background:var(--ink);color:white;max-width:calc(100vw - 32px);border-radius:14px;z-index:110;box-shadow:0 8px 40px #211a3525;font-size:16px}.dialog{border:1px solid var(--line);border-radius:22px;width:min(640px,calc(100vw - 40px));max-height:calc(100dvh - 48px);padding:0;color:var(--text);background:var(--surface);overscroll-behavior:contain}.dialog::backdrop{background:#211a3566;backdrop-filter:blur(3px)}.dialog-head,.dialog-foot{display:flex;align-items:center;justify-content:space-between;padding:24px 28px;gap:16px;background:var(--surface);position:sticky;top:0;z-index:2}.dialog-head{border-bottom:1px solid var(--line)}.dialog-head h2{font-size:24px}.dialog-head .eyebrow{margin-bottom:6px}.dialog-foot{bottom:0;top:auto;border-top:1px solid var(--line)}.dialog-body{padding:24px 28px;display:grid;grid-template-columns:1fr 1fr;gap:24px}.filter-intro{grid-column:1/-1;color:var(--muted);font-size:16px}.field{display:grid;gap:9px;font-size:16px;font-weight:550;min-width:0}.field select{width:100%;min-width:0;min-height:50px;font-size:16px;border:1px solid var(--ds-control-line);border-radius:12px;background:var(--surface);padding:10px 12px}.more-filters{grid-column:1/-1;border-top:1px solid var(--line);padding-top:12px}.more-filters summary{min-height:44px;cursor:pointer;color:var(--brand);font-weight:600;display:list-item;list-style-position:inside;padding-block:10px}.more-filters>div{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-top:16px}.settings-body{display:block}.setting{display:flex;justify-content:space-between;gap:24px;align-items:center;min-height:84px;font-size:16px;cursor:pointer}.setting+.setting{border-top:1px solid var(--line)}.setting>span{display:grid;gap:5px}.setting strong{font-size:16px;font-weight:600}.setting small{font-size:14px;color:var(--muted)}.setting input{width:44px;height:44px;flex:none;appearance:none;background:transparent;border:0;position:relative;cursor:pointer;margin:0}.setting input:before{content:"";position:absolute;inset:10px 0;background:var(--ds-control-line);border-radius:20px}.setting input:after{content:"";position:absolute;top:13px;left:3px;width:18px;height:18px;background:white;border-radius:50%;box-shadow:0 1px 3px #211a3520}.setting input:checked:before{background:var(--brand)}.setting input:checked:after{transform:translateX(20px)}.settings-note{font-size:14px;color:var(--muted);padding-top:20px;border-top:1px solid var(--line);margin-top:14px}.profile-body{display:grid;grid-template-columns:1fr;gap:24px}.profile-head{display:flex;align-items:center;gap:24px}.profile-portrait{width:116px;aspect-ratio:3/4;object-fit:cover;border-radius:16px;flex:none}.profile-head h3{font-size:28px;margin-bottom:10px}.profile-head p{color:var(--muted)}.voice-sample{padding-top:24px;border-top:1px solid var(--line)}.voice-sample h3{font-size:18px;margin-bottom:16px}.voice-sample audio{width:100%;height:48px}.voice-sample details{margin-top:16px;color:var(--muted)}.voice-sample summary{min-height:44px;padding-block:10px;cursor:pointer;color:var(--brand)}.voice-sample details p{padding-top:12px;font-size:16px}.profile-body .persona-note{margin:0}.lesson-host{max-width:none;padding:0;min-height:0;height:100dvh;display:flex;flex-direction:column}.lesson-bar{display:flex;align-items:center;gap:24px;padding:8px 24px;border-bottom:1px solid var(--line);background:var(--surface);flex:none}.lesson-bar .back{margin:0;flex:none;font-size:14px}.lesson-bar p{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.lesson-frame{width:100%;height:0;flex:1;min-height:0;border:0;display:block;background:var(--canvas)}.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}
@media(max-width:1060px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-hero{gap:28px}.detail-grid{gap:24px;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr)}}
@media(max-width:760px){.detail-hero,.detail-grid{grid-template-columns:1fr;gap:28px}.detail-art{max-width:560px;width:100%}.detail-hero{margin-bottom:32px}.detail-hero h1{font-size:calc(34px * var(--scale))}.detail-grid aside{display:grid;grid-template-columns:1fr}.instructor-panel{max-width:none}.detail-description{font-size:calc(18px * var(--scale))}}
@media(max-width:600px){main{padding:32px 20px 56px}.intro{margin-bottom:28px}.intro h1{font-size:calc(32px * var(--scale))}.intro>p:not(.eyebrow){font-size:calc(16px * var(--scale));line-height:1.65}.intro .local-progress-note{font-size:14px}.toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}.search{grid-column:1/-1}.filter-button{justify-self:start;min-height:52px}.course-grid{grid-template-columns:1fr;gap:20px}.results-meta{margin-top:20px}.learning-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;margin-inline:0;padding-inline:0;overflow:visible}.learning-tabs a{flex-direction:column;justify-content:space-between;gap:6px;min-width:0;min-height:72px;padding:10px 4px;white-space:normal;text-align:center;font-size:calc(14px * var(--scale));line-height:1.5;overflow-wrap:anywhere}.learning-tabs .tab-count{flex:none}.detail-art{padding:9px;border-radius:20px}.detail-art .art{border-radius:13px}.detail-actions{gap:18px}.detail-actions>.button{width:100%}.detail-hero h1{font-size:calc(32px * var(--scale))}.outcomes{padding:22px}.section-heading{gap:10px;align-items:start;flex-wrap:wrap}.section-heading h2{font-size:calc(24px * var(--scale))}.module-heading{padding:20px}.lesson-row{padding:18px 20px;gap:12px}.lesson-number{width:32px;height:32px;border-radius:10px}.lesson-row>svg{width:16px;height:16px}.instructor-panel{padding:22px}.instructor-intro{gap:14px}.dialog{width:100%;max-width:100%;margin:auto 0 0;max-height:calc(100dvh - 12px);border-radius:22px 22px 0 0}.dialog-head,.dialog-foot{padding:20px}.dialog-head h2{font-size:22px}.dialog-body{padding:24px 20px;grid-template-columns:1fr;gap:20px}.dialog-foot{padding-bottom:calc(20px + env(safe-area-inset-bottom));flex-wrap:wrap}.dialog-foot .button{flex:1;min-width:0}.more-filters>div{grid-template-columns:1fr}.profile-head{gap:18px}.profile-portrait{width:88px}.profile-head h3{font-size:24px}.profile-head p{font-size:16px}.lesson-bar{padding:6px 12px;gap:14px}.lesson-bar .back span{max-width:100px;line-height:1.35}.lesson-bar p{font-size:14px}.empty{padding:40px 20px}.empty h2{font-size:24px}.toast{width:calc(100vw - 32px);font-size:16px}.settings-body{padding-top:8px}.setting{gap:16px}.setting input{min-width:44px}}
@media(max-width:359px){.course-facts{gap:6px 10px}.course-facts span+span:before{padding-inline-end:10px}.profile-head{align-items:flex-start;flex-direction:column}.results-meta>span:last-child{max-width:115px;text-align:end}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}[data-motion=reduced] *,[data-motion=reduced] *:before,[data-motion=reduced] *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}

/* One chosen language owns app chrome; teaching content keeps explicit isolation. */
:where([dir=rtl],[dir=ltr]){unicode-bidi:isolate}
.objectives span,.instructor-intro>div,.profile-head>div{min-width:0;flex:1}
.lesson-meta{text-align:match-parent}
.profile-head>div{width:100%}
.profile-body audio{direction:ltr;unicode-bidi:isolate}
.lesson-bar p{unicode-bidi:isolate;text-align:start}
.header-actions{display:flex;align-items:center;gap:8px;flex:none;min-width:0}
.language-control{display:block;min-width:0;max-width:180px}
.language-control .ds-select{max-inline-size:180px;cursor:pointer}
.language-control .ds-select:disabled{cursor:wait;opacity:.65}
.setting input:after{left:auto;inset-inline-start:3px}
[dir=rtl] .setting input:checked:after{transform:translateX(-20px)}
.intro h1,.detail-hero h1,.empty h2{overflow-wrap:anywhere}
@media(max-width:600px){
 .header-actions{grid-column:2;grid-row:1;gap:4px}
 .language-control{max-width:144px}
 .language-control .ds-select{max-inline-size:144px}
}
@media(max-width:359px){}

/* Learner compositions consume shared shells, cards and typography. */
.header-actions{display:flex;align-items:center;gap:8px;min-width:0}
.topbar-title{color:var(--muted);font-size:14px}
.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.home-intro{margin-bottom:28px}.home-collection{margin-top:40px}
.home-feature{min-width:0}
.section-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--brand);text-decoration:none;font-size:calc(14px * var(--scale));font-weight:600}
.section-link:hover{text-decoration:underline}
.home-support{display:flex;gap:20px;align-items:center;padding:26px;background:var(--soft);border-radius:20px;margin-top:32px}
.home-support-icon{width:48px;height:48px;display:grid;place-items:center;background:var(--surface);border-radius:50%;color:var(--brand);flex:none}
.home-support h2{font-size:calc(21px * var(--scale));margin-bottom:6px}.home-support p{color:var(--muted);max-width:60ch}
.home-support>.section-link{margin-inline-start:auto;flex:none}.avatar{width:32px;height:32px;object-fit:cover;border-radius:50%;flex:none}
@media(max-width:1200px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.topbar-title{display:none}.home-support{align-items:flex-start;flex-wrap:wrap}.home-support>div{flex:1;min-width:160px}.home-support>.section-link{margin-inline-start:68px}.toolbar>.ds-view-switch{justify-self:end}.toast{bottom:calc(96px + env(safe-area-inset-bottom))}.detail-hero{display:flex;flex-direction:column;align-items:stretch}.detail-copy{order:0}.detail-art{order:1}.detail-art{max-width:none}.course-grid{grid-template-columns:1fr}}
@media(max-width:359px){.language-control .ds-select{max-inline-size:136px}.home-support{padding:20px}.home-support-icon{display:none}.home-support>.section-link{margin-inline-start:0}}

.course-grid.list{grid-template-columns:1fr}

/* Paths reuse shared cards and sequence rows; product styles only compose them. */
.learning-kind-tabs{display:flex;gap:8px;margin-block:0 24px;flex-wrap:wrap}
.learning-kind-tabs a{display:inline-flex;align-items:center;justify-content:center;min-block-size:44px;padding:8px 20px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:var(--surface);color:var(--muted);font-weight:600}
.learning-kind-tabs a[aria-current=page]{color:var(--brand);border-color:var(--brand);background:var(--soft)}
.path-category{min-inline-size:0;max-inline-size:230px}.path-category select{min-block-size:54px;max-inline-size:100%}
.path-detail-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:32px;align-items:start}
.path-detail-grid>*,.path-detail-grid aside{min-inline-size:0}
.path-notice{display:flex;gap:10px;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:var(--soft);color:var(--text);font-size:var(--ds-type-caption);margin-block:20px}
.path-notice svg{flex:none;margin-block-start:3px}.path-prerequisites{padding-inline-start:22px;margin:0}.path-prerequisites li+li{margin-block-start:12px}
.path-return{color:var(--brand)}
@media(max-width:760px){.path-detail-grid{grid-template-columns:1fr;gap:12px}.path-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto}.path-toolbar .search{grid-column:1/-1}.path-category{max-inline-size:100%}.path-category select{inline-size:100%}.lesson-bar:has(.path-return){gap:8px;flex-wrap:wrap}.lesson-bar:has(.path-return)>p{display:none}.lesson-bar .path-return{margin-inline-end:auto}}

/* Product review: collection hierarchy and constrained dialog scrolling. */
.collection-intro{margin-block-end:24px;max-inline-size:780px}
.collection-intro h1{font-size:calc(clamp(28px,2.5vw,36px) * var(--scale))}
.collection-intro>p:not(.eyebrow){margin-block-start:8px;font-size:calc(16px * var(--scale))}
.home-intro{margin-block-end:24px}
.home-intro h1{font-size:calc(clamp(30px,2.7vw,40px) * var(--scale))}
.home-learning-note{display:flex;align-items:flex-start;gap:12px;margin-block-start:28px;padding-block:20px;color:var(--muted);border-block-start:1px solid var(--line);font-size:var(--ds-type-caption)}
.home-learning-note svg{margin-block-start:3px;flex:none}
.results-meta{margin-block:18px 14px}
.detail-hero{gap:32px;margin-block-end:36px}
.detail-art{padding:0;overflow:hidden;border-radius:var(--ds-radius-lg,24px)}
.detail-art .art{border-radius:inherit}
.dialog[open]{display:flex;flex-direction:column;overflow:hidden}
.dialog form{display:flex;flex-direction:column;min-height:0;max-height:inherit}
.dialog-head,.dialog-foot{position:relative;flex:none}
.dialog-body{overflow-y:auto;min-height:0;overscroll-behavior:contain;scroll-padding-block:16px}
.dialog-head h2{font-size:calc(22px * var(--scale))}
.dialog-foot .button{max-inline-size:100%;white-space:normal}
.filter-chips{margin-block-start:12px}
@media(max-width:760px){.collection-intro{margin-block-end:20px}.collection-intro h1{font-size:calc(28px * var(--scale))}.home-intro h1{font-size:calc(30px * var(--scale))}.detail-hero{gap:24px}.dialog-body{padding-block:20px}}