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0;border:0;justify-content:center;align-self:center;align-items:center;gap:6px;margin-top:10px;font-size:12px;display:flex}.rotated{transform:rotate(180deg)}.help-panel{text-align:left;border-top:1px solid var(--line);padding:4px 0;font-size:14px;line-height:1.7}.help-panel p{margin:14px 0}.app-footer{color:var(--muted);border-top:1px solid #d9ddcf;justify-content:space-between;gap:15px;padding:19px 0 23px;font-size:11px;display:flex}.muted{color:var(--muted)}.skip-link{background:var(--paper);z-index:20;padding:12px;position:fixed;top:-100px;left:16px}.skip-link:focus{top:12px}.completion{text-align:center;max-width:650px;margin:auto;padding:68px 0 50px}.completion>svg{color:var(--green)}.eyebrow{letter-spacing:.04em;color:var(--muted);margin:20px 0 12px;font-size:13px}.completion h1{letter-spacing:-1px;outline:none;margin:0 0 18px;font-size:36px;font-weight:800;line-height:1.2}.completion>p{line-height:1.65}.completion-rows{margin:28px 0}.completion-rows button{text-align:left;border:0;border-bottom:1px solid var(--line);background:0 0;justify-content:space-between;align-items:center;gap:12px;width:100%;min-height:62px;font-size:14px;display:flex}.completion-rows button>span:last-child{color:var(--muted);white-space:nowrap;align-items:center;gap:12px;display:flex}.completion-note{margin:25px 0;font-size:13px}.completion .next-button{width:100%;margin:25px 0}.completion .save-state{font-size:11px}@media(min-width:1440px){.study-grid{padding-top:42px}.definition-image{aspect-ratio:1.7}.understanding-note{margin-top:33px}.oral-counter{margin-top:35px;margin-bottom:34px}.mark-button{min-height:142px;padding-top:29px;padding-bottom:23px}}@media(max-width:1100px){.app-shell{border-radius:0;min-height:100vh;margin-top:0;padding:0 30px}.brand{font-size:23px}.brand-subtitle{font-size:14px}.study-grid{gap:28px;padding-top:32px}.definition-section{padding-right:25px}.practice-intro 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span{font-size:10px}.save-state{margin-bottom:18px;font-size:11px}.next-button{border-radius:10px;min-height:53px;font-size:16px}.next-button svg{width:21px}.help-button{font-size:11px}.app-footer{flex-direction:column;align-items:center;gap:5px;padding:15px 0 20px;font-size:10px}.completion{padding-top:45px}.completion h1{font-size:29px}.completion-rows button,.completion-note{font-size:12px}}@media(prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}@media(max-width:480px){.mark-button{bottom:max(14px,env(safe-area-inset-bottom));z-index:8;width:calc(100% - 44px);position:fixed;left:22px;box-shadow:0 5px 24px #174b3b22}.oral-counter{margin-bottom:15px}.app-footer{padding-bottom:150px}.practice-section{min-height:420px}.next-button{margin-top:0}.progress-track{background:#c9d3c2}}.publisher-example ol{margin:8px 0 0;padding-left:24px;list-style:decimal}.publisher-example li{padding-left:4px}.publisher-example li::marker{color:var(--muted);font-size:.8em}.course-context{min-height:45px;color:var(--muted);justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.course-context strong{font-weight:600}.context-divider{opacity:.6;margin:0 8px}.course-context button{text-underline-offset:4px;white-space:nowrap;background:0 0;border:0;align-items:center;gap:7px;min-height:44px;padding:0;font-size:12px;text-decoration:underline;display:flex}.word-identity{flex-direction:column;align-items:flex-start;gap:5px;display:flex}.part-of-speech{color:var(--muted);letter-spacing:.02em;font-size:11px;font-weight:600}.section-intro{max-width:1120px;margin:0 auto;padding:32px 0 40px}.section-intro>.eyebrow{margin:4px 0 14px}.section-intro h1{letter-spacing:-1.5px;outline:none;margin:0 0 18px;font-size:44px;font-weight:800;line-height:1.2}.intro-lead{max-width:65ch;margin:0 0 32px;font-size:20px;line-height:1.7}.intro-grid{grid-template-columns:1fr 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.next-button{background:var(--ink);color:#fff;width:fit-content;min-width:320px;font-size:17px}.intro-start .next-button:hover{background:#245c46}.intro-start p{color:var(--muted);margin:14px 0 0;font-size:12px;line-height:1.7}@media(max-width:959px){.intro-grid{gap:30px}.intro-procedure{padding-left:26px}.section-intro h1{font-size:38px}.intro-lead{font-size:18px}}@media(max-width:650px){.intro-grid{grid-template-columns:1fr;gap:26px}.intro-procedure{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.intro-start{margin-top:12px}}@media(max-width:480px){.course-context{gap:8px;font-size:10px}.course-context button{gap:4px;font-size:11px}.context-divider{margin:0 4px}.part-of-speech{font-size:10px}.section-intro{padding-top:20px;padding-bottom:22px}.section-intro h1{letter-spacing:-1px;font-size:31px}.section-intro>.eyebrow{font-size:11px}.intro-lead{margin-bottom:26px;font-size:16px}.intro-grid h2{font-size:21px}.intro-grid p{font-size:15px}.intro-examples 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var(--line);min-height:44px;background:none;text-align:left;padding:10px 0}.account-menu>button:hover{color:var(--green);background:#e9eddf}.course-context>span{display:flex;align-items:center;flex-wrap:wrap}.course-context .catalog-link{display:inline-flex;font-weight:700}.stage{background:none;border:0;border-bottom:3px solid transparent;white-space:nowrap}.stage:disabled{opacity:.6}.learning-media{margin:0}.learning-media figcaption{font-size:13px;color:var(--muted);margin:12px 0}.learning-media video{background:#ede4d1;object-fit:contain}.account-page{padding:40px 0 55px}.account-page h1,.reading-page h1{font-size:clamp(29px,3.3vw,44px);font-weight:800;line-height:1.2;letter-spacing:-1.4px;margin:10px 0 20px}.account-page h2,.reading-page h2{font-size:23px;font-weight:800;line-height:1.4;margin:25px 0 14px}.account-page h3{font-size:18px;font-weight:800;margin:24px 0 12px}.account-page p,.reading-page 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.checkbox-label{display:flex;align-items:center;gap:10px;min-height:44px;font-size:14px;font-weight:500;line-height:1.6}.account-form input[type=radio],.account-form input[type=checkbox]{width:20px;height:20px;min-height:20px;flex-shrink:0;accent-color:var(--ink)}.next-button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.next-button.primary:hover{background:#245c46}.next-button.primary:disabled{opacity:.5}.auth-links{display:flex;flex-wrap:wrap;justify-content:space-between;margin-top:20px;gap:16px}.text-button{min-height:44px;display:inline-flex;align-items:center;gap:7px}.form-error{padding:14px 18px;background:#f3e3d9;color:#843c28;border-radius:8px;line-height:1.7;overflow-wrap:anywhere}.notice,.sync-conflict{background:#e8eddf;border:1px solid #bdc9b6;border-radius:10px;padding:18px 22px;line-height:1.8}.sync-conflict{margin:22px 0;background:#f2e4d5}.sync-conflict h2{font-weight:800;margin:0}.button-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px 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