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.learning-page .learn-question p{margin:8px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.learning-page .learn-answer{margin:12px 0 0 16px;padding:12px 16px;border-radius:10px;background:#EAF0FF}
@media(max-width:640px){
  .learning-page #toast{bottom:110px}
  .learning-page .learn-topbar{padding:10px 12px;gap:8px;flex-wrap:nowrap}
  .learning-page .learn-heading{flex:1;min-width:0;line-height:1.25}
  .learning-page .learn-heading>span{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .learning-page .learn-heading>strong{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .learning-page .learn-module-title{display:none}
  .learning-page .learn-mobile-count{display:block;flex:none;font-size:13px;font-weight:600;color:#1E44C0;background:#EAF0FF;padding:5px 10px;border:0;border-radius:999px;white-space:nowrap;cursor:pointer}
  .learning-page .learn-program{display:none}
  .learning-page .learn-program>span{display:none}
  .learning-page .learn-progress{padding:0 16px 12px}
  .learning-page .learn-progress ol{gap:5px}
  .learning-page .learn-segment{height:5px;border-radius:5px}
  .learning-page .learn-step{gap:0}
  .learning-page .learn-step-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .learning-page .learn-main{padding:20px 16px 110px}
  .learning-page .learn-lecture,.learning-page .learn-assignment{padding:24px 20px;gap:16px;border-radius:18px}
  .learning-page .learn-screen h1.step-heading{font-size:24px;line-height:1.25}
  .learning-page .learn-meta{font-size:13px}
  .learning-page .learn-prose{font-size:16px;line-height:1.65}
  .learning-page .learn-prose h2{font-size:23px;margin-top:26px}
  .learning-page .learn-prose h3{font-size:20px;margin-top:26px}
  .learning-page .learn-prose pre{font-size:14px;padding:14px 16px;border-radius:12px}
  .learning-page .learn-prose blockquote{font-size:15px;padding:14px 16px 14px 45px}
  .learning-page .learn-prose blockquote:before{left:14px;top:17px}
  .learning-page .learn-understanding{gap:8px;padding-top:16px}
  .learning-page .learn-understanding>span{width:100%;font-size:14px}
  .learning-page .learn-button.learn-pill{padding:9px 12px;font-size:14px}
  .learning-page .learn-bottom-inner{padding:12px 16px max(20px,env(safe-area-inset-bottom));gap:10px}
  .learning-page .learn-back{flex:none;width:56px;height:56px;padding:0;border-radius:14px}
  .learning-page .learn-back>span,.learning-page .learn-bottom-status{display:none}
  .learning-page .learn-next{flex:1;min-height:56px;padding:12px 16px;border-radius:14px;font-size:17px}
  .learning-page .learn-await-review{max-width:none;flex:1;text-align:center}
  .learning-page .learn-video-stage{border-radius:12px}
  .learning-page .learn-video-poster{bottom:40px}
  .learning-page .learn-video-poster>div{top:16px;left:20px;right:20px;gap:8px}
  .learning-page .learn-video-poster>div>span{font-size:11px}
  .learning-page .learn-video-poster strong{font-size:22px}
  .learning-page .learn-video-poster>button{width:58px;height:58px;top:20px}
  .learning-page .learn-video-poster>button svg{width:25px;height:25px}
  .learning-page .learn-video-main{gap:16px}
  .learning-page .learn-video-copy .learn-prose{font-size:16px}
  .learning-page .learn-video-actions>.learn-button{font-size:14px}
  .learning-page .learn-quiz{padding:0;border:0;border-radius:0;background:transparent;gap:16px}
  .learning-page .learn-quiz h1.step-heading{font-size:22px;line-height:1.25;letter-spacing:-.015em}
  .learning-page .learn-quiz-meta{font-size:13px}
  .learning-page #quiz-dots span{width:18px;height:6px}
  .learning-page .learn-options{gap:8px}
  .learning-page .learn-options legend{font-size:14px;margin-bottom:8px}
  .learning-page .learn-option{gap:12px;padding:14px;min-height:54px;border-radius:12px;font-size:16px}
  .learning-page .learn-option input{width:20px;height:20px}
  .learning-page .learn-feedback{gap:12px;padding:14px 16px;border-radius:12px;flex-wrap:wrap;font-size:15px}
  .learning-page .learn-feedback>div{flex:1;min-width:160px}
  .learning-page .learn-feedback-icon{width:28px;height:28px}
  .learning-page .learn-feedback strong{font-size:16px}
  .learning-page .learn-earned-xp{font-size:13px;padding:3px 8px}
  .learning-page .learn-done-main{padding-bottom:30px}
  .learning-page .learn-completion{padding:28px 20px 24px;gap:12px}
  .learning-page .learn-completion h1{font-size:30px}
  .learning-page .learn-completion>p{font-size:16px}
  .learning-page .learn-result-grid{gap:8px}
  .learning-page .learn-result-grid>div{padding:12px 8px;border-radius:12px}
  .learning-page .learn-result-grid dd{font-size:21px;gap:3px;flex-wrap:wrap}
  .learning-page .learn-result-grid dd svg{width:18px;height:18px}
  .learning-page .learn-result-grid dt{font-size:12px}
  .learning-page .learn-course-progress>div:first-child{flex-direction:column;gap:4px;font-size:14px}
  .learning-page .learn-summary-grid{grid-template-columns:1fr}
  .learning-page .learn-achievement-banner{padding:22px 20px;gap:16px}
  .learning-page .learn-achievement-medal{width:54px;height:54px}
  .learning-page .learn-achievement-banner h2{font-size:22px}
  .learning-page .learn-achievement-banner>div{min-width:160px}
  .learning-page .learn-achievement-banner .learn-button{width:100%}
  .learning-page .learn-next-lesson{padding:20px;gap:14px}
  .learning-page .learn-next-lesson>div{flex:1 1 180px}
  .learning-page .learn-next-lesson .learn-button{width:100%}
  .learning-page .learn-done-feedback>a{margin-left:0;width:100%;font-size:14px}
  .learning-page .learn-done-feedback>span{font-size:14px}
  .learning-page .learn-empty{padding:26px 20px}
}
@media(prefers-reduced-motion:reduce){.learning-page .learn-screen *{scroll-behavior:auto!important}}
/* Imported rich lessons retain their structure inside the existing reader. */
.learning-page .learn-screen h1.step-heading,.learning-page .learn-heading,.learning-page .learn-program-list h3,.learning-page .learn-program-list h4,.learning-page .learn-drawer-step>span{overflow-wrap:anywhere;min-width:0}.learning-page .learn-progress.is-long{overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin}.learning-page .learn-progress.is-long ol{grid-template-columns:repeat(var(--learn-segments),minmax(78px,1fr))}.learning-page .learn-prose{min-width:0;max-width:100%}.learning-page .learn-prose:empty{display:none}.learning-page .learn-prose img{display:block;max-width:100%!important;height:auto!important;margin:16px auto;border-radius:10px}.learning-page .learn-prose figure{max-width:100%;margin:20px 0}.learning-page .learn-prose figcaption{font-size:14px;color:#5A6170;text-align:center;margin-top:8px}.learning-page .learn-prose iframe{display:block;width:100%;max-width:100%!important;aspect-ratio:16/9;height:auto;border:0;border-radius:14px;margin:20px 0;background:#11151F}.learning-page .learn-prose video{display:block;width:100%;max-width:100%!important;height:auto!important;border-radius:14px;margin:20px 0;background:#11151F}.learning-page .learn-prose audio{display:block;width:100%;max-width:100%;margin:18px 0}.learning-page .learn-prose table{display:block;width:100%;min-width:0;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;border:1px solid #E3E6EB;border-radius:12px;font-size:15px;line-height:1.5;border-collapse:collapse}.learning-page .learn-prose th,.learning-page .learn-prose td{padding:12px 14px;min-width:120px;white-space:normal;vertical-align:top;font-size:inherit}.learning-page .learn-prose th{color:#394254;font-weight:600;background:#F5F6F8}.learning-page .learn-prose caption{padding:10px 14px;color:#5A6170;text-align:left}.learning-page .learn-prose math{max-width:100%;overflow-x:auto;overflow-y:hidden}.learning-page .learn-prose math[display=block]{display:block;padding:14px 0}.learning-page .learn-prose ol{padding-left:26px}.learning-page .learn-prose hr{border:0;border-top:1px solid #E3E6EB;margin:24px 0}.learning-page .learn-prose a{overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:3px}.learning-page .learn-prose details{padding:14px 16px;border:1px solid #E3E6EB;border-radius:12px}.learning-page .learn-prose summary{cursor:pointer;font-weight:600}.learning-page .learn-prose details[open]>summary{margin-bottom:14px}
.learning-page .learn-resources{width:100%;min-width:0;display:flex;flex-direction:column;gap:12px}.learning-page .learn-resources>h2{font-size:18px;font-weight:600;margin:6px 0 2px;color:#14171F}.learning-page .learn-resource{border:1px solid #DDE3EC;border-radius:14px;overflow:hidden;background:#fff;min-width:0}.learning-page .learn-resource-head{display:flex;align-items:center;gap:12px;padding:15px 16px}.learning-page .learn-resource-icon{width:42px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:#EAF0FF;color:#2B59E8;flex:none}.learning-page .learn-resource-icon.pdf{background:#FFF0EC;color:#B94732}.learning-page .learn-resource-icon.image{background:#E8F5ED;color:#227C48}.learning-page .learn-resource-info{flex:1;min-width:0}.learning-page .learn-resource-info h3{font-size:14px;line-height:1.45;font-weight:600;margin:0;overflow-wrap:anywhere}.learning-page .learn-resource-info h3 a{color:#14171F}.learning-page .learn-resource-info h3 a:hover{text-decoration:underline}.learning-page .learn-resource-info small{display:block;color:#697386;font-size:12px;margin-top:4px}.learning-page .learn-resource-actions{display:flex;align-items:center;gap:10px;flex:none}.learning-page .learn-resource-toggle{font-size:12px;padding:8px 11px;border-color:#DDE3EC;min-height:36px;white-space:nowrap}.learning-page .learn-resource-toggle[aria-expanded=true]{background:#EAF0FF;color:#2B59E8;border-color:#C9D8FF}.learning-page .learn-resource-download{display:flex;align-items:center;justify-content:center;width:34px;height:36px;color:#5A6170!important;border-radius:8px;flex:none}.learning-page .learn-resource-download:hover{background:#EEF1F5}.learning-page .learn-resource-preview{border-top:1px solid #E3E6EB;min-width:0;background:#F8F9FB}.learning-page .learn-resource-preview[hidden]{display:none}.learning-page .learn-resource-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;font-size:12px;line-height:1.6;color:#697386;background:#fff;margin:0;border-top:1px solid #E3E6EB;flex-wrap:wrap}.learning-page .learn-resource-foot a{font-weight:500;white-space:nowrap}.learning-page .learn-resource-image{display:block;padding:16px}.learning-page .learn-resource-image img{display:block;max-width:100%;max-height:85vh;object-fit:contain;width:auto;height:auto;margin:auto;border-radius:6px}.learning-page .learn-document-text{display:block;white-space:pre-wrap;overflow-wrap:anywhere;overflow:auto;max-height:65vh;min-height:100px;padding:22px 24px;margin:0;font:14px/1.8 'JetBrains Mono',ui-monospace,monospace;color:#263044;border:0;border-radius:0;background:#F8F9FB;tab-size:4}.learning-page .learn-resource-preview>audio{display:block;width:calc(100% - 32px);margin:20px 16px}.learning-page .learn-resource-preview>video{display:block;width:100%;max-height:75vh;background:#11151F}.learning-page .learn-document-fallback{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:24px;color:#697386;font-size:14px}.learning-page .learn-document-fallback p{margin:0}.learning-page .learn-document-fallback .learn-button{font-size:13px}.learning-page .learn-resource-loading,.learning-page .learn-resource-error{padding:24px;margin:0;font-size:14px;color:#697386}.learning-page .learn-resource-error{color:#AD4338}.learning-page .learn-video-actions>.learn-resources{flex-basis:100%}
@media(max-width:640px){.learning-page .learn-progress.is-long ol{grid-template-columns:repeat(var(--learn-segments),minmax(24px,1fr))}.learning-page .learn-prose table{font-size:13px}.learning-page .learn-prose th,.learning-page .learn-prose td{padding:10px 12px;min-width:110px}.learning-page .learn-prose iframe,.learning-page .learn-prose video{border-radius:10px}.learning-page .learn-prose figcaption{font-size:12px}.learning-page .learn-resource-head{padding:13px 12px;gap:9px;flex-wrap:wrap}.learning-page .learn-resource-icon{width:34px;height:39px;border-radius:8px}.learning-page .learn-resource-info h3{font-size:13px}.learning-page .learn-resource-info small{font-size:11px}.learning-page .learn-resource-info{flex-basis:calc(100% - 45px)}.learning-page .learn-resource-actions{margin-left:43px;gap:9px}.learning-page .learn-resource-toggle{font-size:12px;padding:7px 11px;min-height:34px}.learning-page .learn-resource-download{height:34px}.learning-page .learn-resource-foot{font-size:11px;padding:11px 12px;gap:6px}.learning-page .learn-resource-image{padding:10px}.learning-page .learn-document-text{padding:16px 14px;font-size:12px;max-height:58vh}.learning-page .learn-resources>h2{font-size:17px}.learning-page .learn-resource-loading,.learning-page .learn-resource-error{padding:18px 14px;font-size:13px}}
/* Keep visually hidden mobile step labels inside their scroll container. */
.learning-page .learn-progress{position:relative;min-width:0;width:min(100%,880px)}
/* Imported question banks retain their media and use accessible native answer controls. */
.learning-page .learn-rich-question{font-size:23px;font-weight:600;line-height:1.45;margin-bottom:22px;color:#14171F}
.learning-page .learn-rich-question>:last-child{margin-bottom:0}
.learning-page .learn-option-copy{flex:1;min-width:0;font-size:17px;font-weight:500;line-height:1.5}
.learning-page .learn-option-copy>*{margin:0 0 10px}
.learning-page .learn-option-copy img{max-height:280px;object-fit:contain}
.learning-page .learn-option:focus-within{outline:3px solid #ACC1FF;outline-offset:2px}
.learning-page .learn-option input[type=checkbox]{border-radius:5px}
.learning-page #quiz-dots.is-bank{width:150px;max-width:38%;flex-wrap:nowrap}
.learning-page #quiz-dots .learn-bank-track{display:block;width:100%;height:7px;overflow:hidden;background:#E3E6EB}
.learning-page .learn-bank-track i{display:block;height:100%;background:#2B59E8;border-radius:inherit}
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.learning-page .learn-answer-hint{color:#5A6170;font-size:14px;line-height:1.5;margin:10px 0 20px}
.learning-page .learn-matching,.learning-page .learn-ordering{border:0;padding:0;margin:0;min-width:0}
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.learning-page .learn-match-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:20px;padding:17px 0;border-top:1px solid #E3E6EB}
.learning-page .learn-match-row>.learn-prose{font-size:16px;line-height:1.5}
.learning-page .learn-match-row select{font-size:15px;text-overflow:ellipsis;padding-right:30px}
.learning-page .learn-match-reference{padding:16px 18px;border-radius:14px;background:#F5F6F8;margin:0 0 18px;min-width:0}
.learning-page .learn-match-reference summary{cursor:pointer;font-size:15px;font-weight:600}
.learning-page .learn-match-reference ol{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:16px 0 0;margin:0}
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.learning-page .learn-match-reference li>strong{font-size:13px;color:#5A6170}
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.learning-page .learn-match-reference img{max-height:180px;object-fit:contain}
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.learning-page .learn-order-copy img{max-height:200px;object-fit:contain}
.learning-page .learn-order-actions{display:flex;flex-direction:column;gap:5px;flex:none}
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.learning-page .learn-order-actions button:hover:not(:disabled){background:#EAF0FF;border-color:#2B59E8;color:#2B59E8}
.learning-page .learn-order-actions button:focus-visible{outline:3px solid #ACC1FF;outline-offset:2px}
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.learning-page .learn-answer-detail .learn-prose{font-size:14px;line-height:1.5;font-weight:400;margin-top:6px}
.learning-page .learn-answer-detail>b{font-weight:600}
.learning-page .learn-quiz-review{margin-top:14px}
.learning-page .learn-quiz-review summary{cursor:pointer;font-size:14px;font-weight:600}
@media(max-width:640px){
 .learning-page .learn-rich-question{font-size:20px;line-height:1.4;margin-bottom:18px}
 .learning-page .learn-option-copy{font-size:16px}
 .learning-page .learn-option-copy img{max-height:220px}
 .learning-page #quiz-dots.is-bank{width:90px;max-width:28%}
 .learning-page .learn-written-answer input,.learning-page .learn-match-row select{font-size:16px;min-height:48px;padding:12px}
 .learning-page .learn-match-row{grid-template-columns:minmax(0,1fr);gap:10px;padding:15px 0}
 .learning-page .learn-match-reference{padding:14px 12px}
 .learning-page .learn-match-reference ol{grid-template-columns:minmax(0,1fr);gap:10px}
 .learning-page .learn-order-item{padding:10px;gap:10px;border-radius:12px}
 .learning-page .learn-order-number{width:24px;height:24px;font-size:12px}
 .learning-page .learn-order-copy{font-size:15px}
 .learning-page .learn-order-actions button{width:36px;height:36px}
}

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.learning-page .learn-video-stage iframe{position:absolute;inset:0}
.learning-page .learn-external-video{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#697386;font-size:13px;line-height:1.5;margin-top:-12px}
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.learning-page .learn-external-video a:focus-visible{outline:2px solid #2B59E8;outline-offset:4px;border-radius:3px}
.learning-page .learn-prose iframe{min-height:200px}

/* Persistent course navigation and focused pages for video and reading. */
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.learning-page .learn-sidebar{position:fixed;inset:0 auto 0 0;width:var(--learn-sidebar-width);z-index:30;background:#fff;border-right:1px solid #E3E6EB;overflow-y:auto;overscroll-behavior:contain;padding:24px 16px 32px}
.learning-page .learn-sidebar-back{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;padding:0 8px 24px;color:#4A5160}
.learning-page .learn-sidebar-course{padding:0 8px 24px;border-bottom:1px solid #EEF0F3}
.learning-page .learn-sidebar-course>small{font-size:10px;letter-spacing:.1em;font-weight:600;color:#87909E}
.learning-page .learn-sidebar-course h2{font-size:18px;line-height:1.4;margin:9px 0 18px;overflow-wrap:anywhere}
.learning-page .learn-sidebar-progress{display:grid;gap:8px;font-size:12px;color:#697386}.learning-page .learn-sidebar-progress .learn-track{height:6px}
.learning-page .learn-sidebar-label{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#697386;margin:24px 8px 12px}
.learning-page .learn-module-nav{display:grid;gap:6px;min-width:0}
.learning-page .learn-module-item{display:flex;gap:10px;align-items:flex-start;padding:12px 10px;border-radius:12px;border:1px solid transparent;color:#394254!important;min-width:0}
.learning-page .learn-module-item>span:nth-child(2){min-width:0;flex:1;display:grid;gap:5px}.learning-page .learn-module-item strong{font-size:14px;line-height:1.45;font-weight:500;overflow-wrap:anywhere}.learning-page .learn-module-item small{font-size:11px;color:#7A8494}
.learning-page .learn-module-number{width:26px;height:26px;display:grid;place-items:center;flex:none;border-radius:8px;background:#F0F3F8;color:#6D7788;font-size:12px;font-weight:600}
.learning-page .learn-module-item:hover{background:#F5F7FB}.learning-page .learn-module-item.is-current{background:#EAF0FF;border-color:#D4E0FF;color:#214BBF!important}.learning-page .learn-module-item.is-current strong{font-weight:600}.learning-page .learn-module-item.is-current .learn-module-number{background:#2B59E8;color:#FFF}
.learning-page .learn-module-item.is-locked,.learning-page .learn-lesson-tab.is-locked,.learning-page .learn-unit.is-locked{opacity:.55;cursor:not-allowed}
.learning-page .learn-header{position:sticky;top:0;z-index:20;min-width:0;box-shadow:0 2px 8px #18233D03}
.learning-page .learn-topbar{max-width:none;min-height:78px;padding:16px 28px;flex-wrap:nowrap}.learning-page .learn-heading>span{font-size:12px;line-height:1.4}.learning-page .learn-heading>strong{font-size:18px;line-height:1.35;margin-top:4px}.learning-page .learn-close,.learning-page .learn-program{display:none}
.learning-page .learn-lesson-tabs{display:flex;align-items:stretch;gap:8px;padding:0 28px 15px;overflow-x:auto;scrollbar-width:thin;overscroll-behavior-x:contain;min-width:0}
.learning-page .learn-lesson-tab{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid #E3E7EF;border-radius:10px;color:#697386!important;flex:none;max-width:260px;font-size:12px;line-height:1.4;min-height:42px}
.learning-page .learn-lesson-tab>span{display:grid;place-items:center;width:23px;height:23px;border-radius:7px;background:#F1F3F7;flex:none;font-size:11px}.learning-page .learn-lesson-tab strong{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.learning-page .learn-lesson-tab.is-current{background:#F0F4FF;border-color:#98B3F5;color:#214BBF!important}.learning-page .learn-lesson-tab.is-current strong{font-weight:600}.learning-page .learn-lesson-tab.is-current>span{background:#2B59E8;color:#FFF}
.learning-page .learn-module-select{display:none}
.learning-page .learn-main{max-width:1060px;padding:24px 32px calc(132px + env(safe-area-inset-bottom));min-width:0}
.learning-page .learn-unit-nav{display:flex;align-items:center;gap:8px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;margin:0 0 24px;padding:0 0 3px;min-width:0;flex:none}
.learning-page .learn-unit{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border:1px solid transparent;border-radius:999px;font-size:12px;color:#697386!important;white-space:nowrap;flex:none}.learning-page .learn-unit.is-current{background:#FFF;border-color:#DDE4F0;color:#2B59E8!important;box-shadow:0 2px 4px #18233D04}.learning-page .learn-unit.is-done:not(.is-current){color:#17803F!important}
.learning-page .learn-materials{display:flex;flex-direction:column;gap:24px;min-width:0}.learning-page .learn-material-video{display:grid;gap:14px;min-width:0}.learning-page .learn-material-video h2{font-size:20px;line-height:1.4;margin:0}.learning-page .learn-material-video .learn-external-video{margin:0;font-size:12px}.learning-page .learn-video-stage{border-radius:16px}
.learning-page .learn-material-reading{padding:32px;display:grid;gap:28px}.learning-page .learn-lecture-section{display:grid;gap:18px;min-width:0}.learning-page .learn-lecture-section h2{font-size:23px;margin:0;line-height:1.35;overflow-wrap:anywhere}.learning-page .learn-lecture-section+.learn-lecture-section{padding-top:28px;border-top:1px solid #EEF0F3}.learning-page .learn-material-help .learn-understanding{border:0;margin:0;padding:0}.learning-page .learn-material-help{padding:0 4px}
.learning-page .learn-bottom{left:var(--learn-sidebar-width);box-shadow:0 -4px 18px #18233D05;z-index:35}.learning-page .learn-bottom-inner{max-width:1060px;padding:14px 32px max(14px,env(safe-area-inset-bottom));min-height:86px}.learning-page .learn-bottom-status{font-size:12px}.learning-page .learn-bottom-status b{color:#697386;font-weight:500}.learning-page .learn-next{min-width:152px}.learning-page .learn-done-main{padding-bottom:calc(132px + env(safe-area-inset-bottom))}
@media(max-width:1023px){
 .learning-page .learn-screen{--learn-sidebar-width:0px}.learning-page .learn-sidebar{display:none}.learning-page .learn-close{display:flex}.learning-page .learn-program{display:inline-flex;flex:none;font-size:13px;padding:8px 10px}.learning-page .learn-topbar{padding:12px 20px;min-height:74px;gap:12px}.learning-page .learn-lesson-tabs{padding:0 20px 14px}
}
@media(max-width:640px){
 .learning-page .learn-topbar{padding:10px 12px;min-height:64px;gap:8px}.learning-page .learn-close{width:32px;height:36px}.learning-page .learn-heading>span{font-size:10px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.learning-page .learn-heading>strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}.learning-page .learn-program{width:36px;height:36px;padding:8px;border-radius:9px}.learning-page .learn-program>span{display:none}.learning-page .learn-lesson-tabs{display:none}
 .learning-page .learn-module-select{display:flex;align-items:center;gap:10px;padding:0 16px 12px;font-size:11px;color:#697386}.learning-page .learn-module-select>span{flex:none}.learning-page .learn-module-select select{width:100%;min-width:0;max-width:100%;font:inherit;font-size:12px;color:#394254;background:#F5F7FB;border:1px solid #E0E5EE;border-radius:9px;padding:9px 28px 9px 10px;min-height:36px;text-overflow:ellipsis}
 .learning-page .learn-main{padding:16px 14px calc(128px + env(safe-area-inset-bottom))}.learning-page .learn-unit-nav{margin-bottom:18px;gap:4px}.learning-page .learn-unit{padding:6px 9px;font-size:11px;gap:5px}.learning-page .learn-materials{gap:18px}.learning-page .learn-material-video{gap:12px}.learning-page .learn-video-stage,.learning-page .learn-video-stage:has(iframe){min-height:0;border-radius:12px}.learning-page .learn-material-reading{padding:22px 17px;border-radius:16px;gap:24px}.learning-page .learn-lecture-section{gap:14px}.learning-page .learn-lecture-section h2{font-size:20px}.learning-page .learn-material-video .learn-external-video{font-size:11px;gap:5px}.learning-page .learn-video-rule{font-size:12px;align-items:flex-start}.learning-page .learn-video-rule svg{flex:none;margin-top:2px}
 .learning-page .learn-bottom-inner{padding:10px 14px max(14px,env(safe-area-inset-bottom));gap:10px;min-height:80px}.learning-page .learn-next{min-width:0;min-height:48px;padding:10px 16px;font-size:15px;border-radius:12px}.learning-page .learn-back{width:48px;height:48px;border-radius:12px}.learning-page .learn-bottom-status{display:none}.learning-page .learn-done-main{padding-bottom:calc(128px + env(safe-area-inset-bottom))}.learning-page #toast{bottom:94px;max-width:calc(100vw - 28px)}
}

@media(min-width:641px){.learning-page .learn-material-video .learn-video-stage{max-height:max(180px,calc(100dvh - 320px))}.learning-page .learn-material-video .learn-video-stage video{position:absolute;inset:0}}

.learning-page .learn-screen.learn-empty-screen{--learn-sidebar-width:0px}

/* Compact module step strip with expanded, numbered lessons in the sidebar. */
.learning-page .learn-topbar{min-height:76px;padding:10px 28px 6px;gap:20px;align-items:center}
.learning-page .learn-header-context{display:grid;gap:4px;flex:0 1 240px;min-width:0;padding:0 0 5px 18px;border-left:1px solid #E8ECF2;color:#4A5160;line-height:1.35}.learning-page .learn-header-context small{font-size:10px;color:#87909E}.learning-page .learn-header-context>span{font-size:12px;font-weight:500;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.learning-page .learn-header .learn-unit-nav{display:flex;align-items:center;flex:1 1 0;min-width:0;max-width:100%;margin:0;padding:7px 7px 15px;gap:7px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;scrollbar-color:#CDD5E2 transparent;scroll-behavior:auto}
.learning-page .learn-unit{position:relative;display:flex;align-items:center;justify-content:center;flex:0 0 36px;width:36px;height:36px;min-width:36px;padding:0;border:1px solid #DDE3EC;border-radius:7px;background:#F1F4F8;color:#798497!important;box-shadow:none;line-height:1}
.learning-page .learn-unit>svg{width:18px;height:18px;flex:none}.learning-page .learn-unit:hover:not(.is-locked){border-color:#98ADD1;background:#E8EEF8;color:#2B59E8!important}
.learning-page .learn-unit.is-done,.learning-page .learn-unit.is-done:not(.is-current){background:#DDF3E6;border-color:#A8D9BB;color:#23834C!important}
.learning-page .learn-unit.is-current{background:#EAF0FF;border-color:#2B59E8;color:#2B59E8!important;outline:2px solid #2B59E8;outline-offset:2px;box-shadow:none}.learning-page .learn-unit.is-current.is-done{background:#DDF3E6;color:#23834C!important;border-color:#A8D9BB}
.learning-page .learn-unit.is-current:after{content:'';position:absolute;left:50%;bottom:-11px;transform:translateX(-50%);width:9px;height:6px;background:#2B59E8;clip-path:polygon(50% 0,100% 100%,0 100%)}
.learning-page .learn-unit:focus-visible{outline:3px solid #183E9A;outline-offset:3px;z-index:1}.learning-page .learn-unit.is-locked{background:#F4F5F7;border-color:#E7EAF0;color:#A2AAB6!important;opacity:1}
.learning-page .learn-unit-lock{position:absolute;right:2px;bottom:2px;width:13px;height:13px;display:grid;place-items:center;border-radius:4px;background:#F4F5F7;color:#929CAB}
@media(min-width:641px){.learning-page .learn-material-video .learn-video-stage{max-height:max(180px,calc(100dvh - 220px))}}
@media(max-width:1023px){.learning-page .learn-header-context{display:none}.learning-page .learn-topbar{min-height:68px;padding:7px 18px 3px;gap:10px}.learning-page .learn-topbar>.learn-close,.learning-page .learn-topbar>.learn-program{margin-bottom:7px}}
@media(max-width:640px){
 .learning-page .learn-topbar{min-height:60px;padding:5px 10px 0;gap:6px}.learning-page .learn-topbar>.learn-close{width:30px;height:34px}.learning-page .learn-topbar>.learn-program{width:32px;height:34px;padding:6px}.learning-page .learn-header .learn-unit-nav{gap:6px;padding:7px 6px 14px}.learning-page .learn-unit{flex-basis:32px;width:32px;min-width:32px;height:32px;border-radius:6px}.learning-page .learn-unit>svg{width:16px;height:16px}.learning-page .learn-module-select{padding:0 14px 10px;gap:9px}.learning-page .learn-module-select select{min-height:32px;padding:7px 26px 7px 9px;font-size:11px}.learning-page .learn-main{padding-top:20px}
}

.learning-page .learn-module-item:focus-visible{outline:2px solid #2B59E8;outline-offset:2px}.learning-page .learn-module-item.is-done:not(.is-current) .learn-module-number{background:#DDF3E6;color:#23834C}.learning-page .learn-module-item>svg{flex:none;margin-top:5px}
.learning-page .learn-module-group{min-width:0;padding-bottom:9px}
.learning-page .learn-sidebar-lessons{list-style:none;display:grid;gap:3px;margin:5px 0 0 22px;padding:0 0 0 11px;border-left:1px solid #E4E9F2;min-width:0}
.learning-page .learn-sidebar-lessons>li{min-width:0;margin:0;padding:0}
.learning-page .learn-lesson-item{display:flex;align-items:flex-start;gap:7px;min-width:0;padding:9px 8px;border-radius:8px;color:#697386!important;font-size:12px;line-height:1.5}
.learning-page .learn-lesson-number{flex:none;font-variant-numeric:tabular-nums;color:#8A95A6;font-size:11px;line-height:18px}
.learning-page .learn-lesson-title{flex:1;min-width:0;overflow-wrap:anywhere}
.learning-page .learn-lesson-item>svg{flex:none;margin-top:2px;color:#24834C}
.learning-page .learn-lesson-item:hover{background:#F4F7FC;color:#294EAD!important}
.learning-page .learn-lesson-item.is-current{background:#EDF2FF;color:#214BBF!important;font-weight:600}
.learning-page .learn-lesson-item.is-current .learn-lesson-number{color:#2B59E8}
.learning-page .learn-lesson-item.is-locked{opacity:.55;cursor:not-allowed}
.learning-page .learn-lesson-item.is-locked>svg{color:#7A8494}
.learning-page .learn-lesson-item:focus-visible{outline:2px solid #2B59E8;outline-offset:1px}
@media(max-width:640px){.learning-page .learn-module-select>span{width:42px}.learning-page .learn-lesson-select{margin-top:-4px}.learning-page .learn-materials>h1.step-heading{font-size:24px;line-height:1.3}}
.learning-page .learn-lecture-section.is-inline-media{padding-top:0;border-top:0}.learning-page .learn-lecture-section.is-inline-media .learn-prose>:first-child{margin-top:0}

.learning-page .learn-essay-requirements{display:flex;flex-wrap:wrap;gap:8px 18px;color:#697386;font-size:12px;padding:12px 15px;background:#F4F7FC;border-radius:10px;margin:20px 0}
.learning-page .learn-essay #essay-text{min-height:310px;resize:vertical;line-height:1.85;padding:18px;font-size:16px;font-weight:400}
.learning-page .learn-essay-writing-status{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;font-size:12px;color:#7A8494;margin-top:-8px}
.learning-page #essay-word-count{white-space:nowrap;font-variant-numeric:tabular-nums;color:#486284}
.learning-page #essay-word-count.is-over-limit{color:#AD4338}
.learning-page .learn-feedback.is-pending{background:#EFF4FF;border-color:#D4E0FC;color:#395D9B}
.learning-page .learn-essay-response{padding:15px 18px;margin:20px 0;border:1px solid #E1E7F0;border-radius:12px}
.learning-page .learn-essay-response summary{cursor:pointer;color:#486284;font-size:13px;font-weight:500}
.learning-page .learn-essay-response>div{margin-top:16px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;font-size:15px;color:#394254}
.learning-page .learn-truefalse{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.learning-page .learn-truefalse legend{grid-column:1 / -1}
.learning-page .learn-truefalse .learn-option{margin:0}
@media(max-width:640px){.learning-page .learn-essay #essay-text{min-height:270px;padding:14px}.learning-page .learn-essay-writing-status{flex-direction:column;gap:5px;font-size:11px}.learning-page .learn-essay-requirements{font-size:11px;padding:11px}.learning-page .learn-truefalse{grid-template-columns:1fr}.learning-page .learn-essay-response{padding:12px}.learning-page .learn-essay-response>div{font-size:14px}}

/* Essay assessments use the same feedback language as quiz results. */
.learning-page .learn-ai-assessment{margin:16px 0 24px;padding:20px;border:1px solid #DEE6F2;border-radius:14px;background:#FAFCFF}
.learning-page .learn-ai-score{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-bottom:16px;border-bottom:1px solid #E3E9F2}
.learning-page .learn-ai-score>div>span{display:block;font-size:12px;color:#60718A;margin-bottom:6px}
.learning-page .learn-ai-score strong{font-size:30px;font-weight:700;line-height:1.2;color:#1C345B}
.learning-page .learn-ai-score small{font-size:15px;font-weight:400;color:#7B8799}
.learning-page .learn-ai-score p{font-size:13px;color:#52647F;margin:0}
.learning-page .learn-ai-criteria{display:grid;gap:14px;margin:18px 0}
.learning-page .learn-ai-criteria>div{min-width:0}
.learning-page .learn-ai-criteria dt{display:flex;justify-content:space-between;gap:14px;font-weight:600;font-size:14px;color:#293C5A}
.learning-page .learn-ai-criteria dt span{flex:none;font-variant-numeric:tabular-nums;font-weight:500;color:#486284}
.learning-page .learn-ai-criteria dd{margin:5px 0 0;font-size:13px;line-height:1.7;color:#617087;white-space:pre-wrap;overflow-wrap:anywhere}
.learning-page .learn-ai-suggestions{margin-top:18px;font-size:14px;color:#394A65;line-height:1.7}
.learning-page .learn-ai-suggestions ul{padding-left:21px;margin:8px 0}
.learning-page .learn-ai-note{font-size:12px;line-height:1.7;color:#708096;margin:16px 0 0}
.learning-page .learn-ai-original-feedback{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.7;color:#617087}
.learning-page .learn-ai-teacher-label{display:block;font-size:12px;color:#617087;margin-top:4px}
.learning-page .learn-ai-refresh{font-size:13px;line-height:1.6;color:#7A5C26;background:#FFF8EA;border-radius:10px;padding:12px 16px;margin:12px 0}
.learning-page .learn-ai-refresh .learn-text-button{display:block;margin:6px 0 0;padding:0}
.learning-page #essay-review .learn-feedback p{white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:640px){.learning-page .learn-ai-assessment{padding:15px}.learning-page .learn-ai-score{align-items:flex-start;flex-direction:column;gap:8px}.learning-page .learn-ai-criteria dt{font-size:13px}}