/* Focus the shared shell on studying. */
:root{--muted:#65756c}.sidebar{width:216px;padding:30px 18px}.shell{margin-left:216px}.brand{font-size:18px}.brand small{font-size:6px}.side-label{margin-top:45px}.sidebar nav a{min-height:53px;font-size:14px;gap:12px}.side-bottom{padding:14px 10px}.side-bottom button{margin:0;text-align:left;min-height:44px;font-size:12px}.topbar{height:72px;padding:0 38px}.breadcrumb{font-size:13px}.lang-switch button{min-height:36px;min-width:40px}main{max-width:1100px;padding:36px 38px 45px;min-height:calc(100vh - 135px)}main.learn-reading{max-width:940px}footer{font-size:11px}.learn-heading{margin:0 0 26px}.learn-heading h1,.learn-course-heading h1{font-size:34px;letter-spacing:-.8px;line-height:1.4;margin:0 0 10px}.learn-heading p,.learn-course-heading p{color:#66776b;font-size:14px;margin:0;line-height:1.85}.learn-heading .eyebrow{margin-bottom:10px}.learn-next{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:30px 32px;background:#146451;color:white;border-radius:16px;margin:24px 0 32px}.learn-next .eyebrow{color:#d6e9b7;font-size:10px;letter-spacing:1.3px;margin-bottom:9px}.learn-next h2{font-size:25px;font-weight:600;margin:0 0 7px;line-height:1.5;letter-spacing:-.4px}.learn-next p{font-size:13px;color:#d3e8dc;margin:0}.learn-next>.btn{flex-shrink:0}.learn-courses{display:grid;grid-template-columns:1fr 1fr;gap:20px}.learn-course{border:1px solid #dfe6dc;background:#fff;border-radius:14px;padding:25px;display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s}.learn-course:hover{border-color:#769a85;box-shadow:0 5px 18px #183e2610}.learn-course-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}.learn-course-glyph{width:52px;height:52px;border-radius:12px;background:#edf2e7;display:grid;place-content:center;font-size:25px;font-weight:600;color:var(--green)}.learn-course:nth-child(2) .learn-course-glyph{background:#efedf7;color:#6f6086;font-size:20px}.learn-course-top small{font-size:10px;color:#67766a;line-height:1.6}.learn-arrow{margin-left:auto;font-size:21px;color:#507862}.learn-course h3{font-size:22px;line-height:1.5;margin:0 0 7px}.learn-course p{font-size:13px;line-height:1.85;color:#66766b;margin:0 0 20px}.learn-course .learn-meter{margin:auto 0 0}.learn-meter{margin:20px 0 26px}.learn-meter>div{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#68766a;margin-bottom:9px}.learn-meter b{color:#3a5a46;font-weight:600}.learn-meter progress{display:block;width:100%;height:6px;border:0;border-radius:8px;appearance:none;background:#e8ede4}.learn-meter progress::-webkit-progress-bar{background:#e8ede4;border-radius:8px}.learn-meter progress::-webkit-progress-value{background:#538c65;border-radius:8px}.learn-meter progress::-moz-progress-bar{background:#538c65;border-radius:8px}.learn-muted{font-size:12px;color:#69776d;line-height:1.8}.learn-home-note{display:flex;align-items:center;gap:12px;padding:22px 0;margin-top:22px;border-top:1px solid var(--line);font-size:13px}.learn-home-note>span{font-size:24px;color:#63896a}.learn-home-note p{margin:0;color:#637367}.learn-home-note a{margin-left:auto;font-weight:600;color:var(--green);min-height:44px;display:flex;align-items:center}.learn-course-heading{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:12px 0 24px}.learn-course-heading>.btn{flex-shrink:0}.learn-course-heading h1{font-size:30px}.learn-lesson-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.learn-lesson{display:flex;align-items:center;gap:15px;border:1px solid #e0e6da;background:#fff;padding:20px 18px;min-height:94px;border-radius:11px}.learn-lesson:hover{border-color:#85a18b}.learn-lesson.next{border-color:#7c9d78;background:#f0f5e9}.learn-lesson-number{width:33px;flex-shrink:0;font-size:17px;color:#7d897d}.learn-lesson.done .learn-lesson-number{color:#377454}.learn-lesson-body{flex:1;min-width:0}.learn-lesson-body strong{display:block;font-size:14px;line-height:1.6;font-weight:600}.learn-lesson-body small{display:block;font-size:11px;color:#718071;margin-top:6px}.learn-lesson-status{font-size:10px;color:#497454;flex-shrink:0;max-width:70px;line-height:1.6}.learn-review-link{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#edf3e5;border:1px solid #d7e1cc;padding:22px;border-radius:11px;margin:20px 0}.learn-review-link b{font-size:15px;display:block;line-height:1.6}.learn-review-link small{font-size:12px;color:#64765d;display:block;margin-top:4px}.learn-details{border-top:1px solid var(--line);padding:18px 0;margin-top:20px}.learn-details>summary{cursor:pointer;color:#506b56;font-size:13px;min-height:35px;line-height:1.8}.learn-details .wb-panel{margin-bottom:0}.learn-details .wb-actions{margin-top:15px}.learn-practice-list{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.learn-practice-row{display:flex;gap:20px;justify-content:space-between;align-items:center;padding:23px}.learn-practice-row+.learn-practice-row{border-top:1px solid var(--line)}.learn-practice-row h3{font-size:17px;margin:0 0 5px}.learn-practice-row p{font-size:12px;color:#71806d;margin:0}.learn-practice-row>.btn{flex-shrink:0}.learn-practice-note{font-size:11px}.learn-progress-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.learn-progress-grid article{padding:24px;border:1px solid var(--line);border-radius:12px;background:white;display:flex;flex-direction:column}.learn-progress-grid article>span{font-size:12px;color:#637360;line-height:1.8;min-height:42px}.learn-progress-grid b{font-size:39px;line-height:1.6;font-weight:500}.learn-progress-grid b small{font-size:18px;color:#8b9585;margin-left:3px}.learn-progress-grid a{font-size:12px;color:var(--green);margin-top:14px;min-height:35px;display:flex;align-items:center}.learn-empty{padding:28px;border:1px solid var(--line);border-radius:12px;background:white}.learn-empty p{font-size:14px;color:#647460;margin:0 0 18px}.learn-history{overflow:auto;border:1px solid var(--line);border-radius:10px}.learn-history .history{margin:0}.learn-reading .wb-heading h1{font-size:32px}.learn-reading .wb-lesson-layout{display:block}.learn-reading .wb-panel{padding:28px}.learn-reading .wb-panel p{font-size:14px}.learn-reading .wb-sheet td{font-size:14px}.learn-reading .wb-sheet .wb-translation{font-size:13px}.learn-reading .wb-complete small{font-size:12px}.learn-writing{margin:20px 0;border:1px solid var(--line);border-radius:12px;background:#fff;padding:18px 22px}.learn-writing>summary{font-size:14px;color:var(--green);cursor:pointer;line-height:1.8}.learn-writing .wb-panel{padding:0;border:0;margin-bottom:0}.learn-reading .hg-section-nav{margin:22px 0 12px}.learn-reading [id^="wb-"],.learn-reading [id^="hg-"]{scroll-margin-top:20px}.learn-lesson-bottom{border-top:1px solid var(--line);padding-top:22px}.wb-test-promo .eyebrow{display:none}.wb-test-promo h2{font-size:23px}.wb-test-promo p{font-size:13px}.learn-reading .wb-complete{border:0}.learn-reading .wb-heading .btn{font-size:12px}.learn-reading .wb-complete .btn[aria-pressed=true]{background:#e6f0df;color:#315b38;border-color:#c5d6b7}
@media(max-width:1050px){.sidebar{width:190px;padding:25px 12px}.shell{margin-left:190px}.brand{font-size:16px}.brand small{font-size:5.5px}.topbar{padding:0 27px}main{padding:28px}.learn-course{padding:21px}.learn-course-top{gap:10px}.learn-progress-grid article{padding:19px}.learn-next{padding:26px}.learn-lesson-list{grid-template-columns:1fr}.learn-next h2{font-size:23px}}
@media(max-width:700px){.sidebar{width:auto;height:64px;padding:10px 19px}.shell{margin-left:0;padding-top:64px;padding-bottom:calc(78px + env(safe-area-inset-bottom))}.sidebar .brand{font-size:19px}.sidebar .brand small{font-size:6px}.sidebar nav{grid-template-columns:repeat(3,minmax(0,1fr));padding:7px 12px calc(7px + env(safe-area-inset-bottom));height:calc(67px + env(safe-area-inset-bottom))}.sidebar nav a{min-height:46px;font-size:11px;gap:3px}.topbar{height:58px;padding:0 19px}.breadcrumb{font-size:12px}.lang-switch button{padding:5px 8px;font-size:11px;min-width:34px;min-height:34px}main{padding:25px 18px 30px}.learn-heading h1{font-size:28px}.learn-heading p{font-size:13px}.learn-heading .eyebrow{font-size:9px}.learn-next{display:block;padding:23px;margin:22px 0 27px}.learn-next h2{font-size:24px}.learn-next .btn{display:flex;justify-content:center;width:100%;min-height:48px;margin-top:22px}.learn-courses{grid-template-columns:1fr;gap:15px}.learn-course{padding:22px}.learn-course-top{margin-bottom:14px}.learn-course h3{font-size:21px}.learn-course p{font-size:13px}.section-head{flex-wrap:wrap;gap:7px}.section-head h2{font-size:19px}.section-head>.learn-muted{font-size:11px}.learn-home-note{flex-wrap:wrap;padding:20px 0;gap:10px}.learn-home-note p{font-size:12px;flex:1}.learn-home-note a{width:100%;margin-left:34px;font-size:13px}.learn-course-heading{display:block}.learn-course-heading h1{font-size:28px}.learn-course-heading .btn{margin-top:18px}.learn-course-heading p{font-size:13px}.learn-lesson{padding:18px 16px;gap:11px;min-height:92px}.learn-lesson-body strong{font-size:14px}.learn-lesson-status{font-size:10px;max-width:57px}.learn-lesson-number{font-size:16px;width:28px}.learn-review-link{padding:20px}.learn-practice-row{padding:20px;align-items:flex-start;flex-direction:column;gap:14px}.learn-practice-row .btn{width:100%;min-height:46px}.learn-practice-row h3{font-size:18px}.learn-progress-grid{grid-template-columns:1fr;gap:13px}.learn-progress-grid article{display:grid;grid-template-columns:1fr auto;column-gap:16px;padding:20px}.learn-progress-grid article>span{font-size:13px;min-height:0}.learn-progress-grid article>b{grid-column:2;grid-row:1/3;font-size:34px;align-self:center}.learn-progress-grid article>a{margin-top:5px}.learn-reading .wb-heading h1{font-size:28px}.learn-reading .wb-panel{padding:20px}.learn-reading .wb-panel p{font-size:14px}.learn-reading .wb-sheet td{font-size:12px}.learn-reading .wb-sheet td:first-child{font-size:20px}.learn-reading .wb-sheet .wb-translation{font-size:12px}.learn-reading .wb-complete .btn{width:100%;min-height:48px;font-size:13px}.learn-reading .wb-complete small{font-size:11px}.learn-reading .wb-breadcrumb{font-size:11px}.learn-reading .hg-section-nav button{font-size:13px;min-height:44px}.learn-writing{padding:17px}.learn-writing .wb-panel{padding:0}.learn-reading [id^="wb-"],.learn-reading [id^="hg-"]{scroll-margin-top:80px}.wb-test-promo{padding:22px}.wb-test-promo h2{font-size:23px}.wb-test-promo p{font-size:12px}.wb-test-promo .btn{display:flex;justify-content:center;min-height:46px}.learn-empty{padding:23px}footer{font-size:10px;padding-bottom:18px}}
@media(prefers-reduced-motion:reduce){.learn-course{transition:none}}