:root{color:#192e34;background:#f7f7f5;font-synthesis:none;font-size:14px}body{margin:0}button,a,input,select,textarea{font:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:inherit;text-underline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:32px;letter-spacing:-.04em;line-height:1.5;margin-bottom:8px}h2{font-size:19px;line-height:1.6}h3{font-size:15px}p{line-height:1.9}input,select,textarea{border:1px solid #ccd3d2;background:#fff;color:#192e34;border-radius:4px;padding:9px 10px;max-width:100%}input:focus,select:focus,textarea:focus{outline:2px solid #26796e;outline-offset:2px}textarea{display:block;width:100%;resize:vertical;line-height:1.9}progress{accent-color:#26796e;width:100%;height:5px;border:0;border-radius:0}progress::-webkit-progress-bar{background:#e1e6e2}progress::-webkit-progress-value{background:#26796e}.site{min-height:100vh}.site-header{height:82px;border-bottom:1px solid #dfe4df;display:flex;justify-content:space-between;align-items:center;padding:0 max(28px,calc((100vw - 1240px)/2));gap:24px;background:#fcfcfa}.brand{display:flex;align-items:center;gap:14px;font-weight:750;letter-spacing:.09em;text-decoration:none;font-size:14px}.brand-mark{font-family:Georgia,serif;font-size:36px;letter-spacing:-.15em;font-weight:400;padding-right:8px}.brand-mark span{color:#26796e}.brand small{display:block;font-weight:400;font-size:10px;letter-spacing:.06em;margin-top:6px;color:#63726f}.site-header nav{display:flex;gap:8px}.site-header nav a{display:flex;align-items:center;gap:6px;padding:10px 12px;text-decoration:none;font-size:12px;color:#64716f;border-bottom:2px solid transparent}.site-header nav a[aria-current]{color:#175c54;border-color:#26796e}.site-header nav a:hover{background:#eef1ed}.page{max-width:1136px;padding:46px 28px 72px;margin:0 auto;min-height:calc(100vh - 154px)}.wide-page{max-width:1360px}.page-title{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:30px}.page-title p{color:#67756f;margin-bottom:0}.eyebrow{display:block;font-family:ui-monospace,monospace;color:#26796e;letter-spacing:.1em;font-size:10px;margin-bottom:12px}.page-count{font-family:ui-monospace,monospace;font-size:34px;white-space:nowrap}.page-count small{font-family:inherit;font-size:12px;color:#66736f}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:32px 0 12px}.section-heading h2{margin:0}.button{display:inline-flex;justify-content:center;align-items:center;padding:10px 16px;gap:6px;border:1px solid #cbd3ce;border-radius:4px;background:#fff;text-decoration:none;color:#23463f;white-space:nowrap;font-weight:600;font-size:13px}.button:hover{background:#eff4ef}.button.primary{background:#205c52;color:#fff;border-color:#205c52}.button.primary:hover{background:#16493f}.button.small{font-size:12px;padding:6px 10px}.text-button{border:0;background:none;color:#28685e;padding:0;text-align:left;font-size:13px;text-decoration:underline;text-underline-offset:4px}.muted,.help{color:#65726d}.help{font-size:12px;line-height:1.9;margin:16px 0}.tabular{font-variant-numeric:tabular-nums;font-family:ui-monospace,monospace;white-space:nowrap}.resume-line{display:flex;align-items:center;gap:16px;border-left:3px solid #26796e;background:#edf2ed;padding:14px 18px;margin-bottom:32px}.resume-line>span{font-size:11px;color:#65756d}.resume-line strong{flex:1;font-size:13px}.chapter-list{border-top:2px solid #2c4a42}.chapter-list-item{border-bottom:1px solid #dbe2db}.chapter-line{min-height:52px;display:grid;grid-template-columns:30px minmax(180px,1fr) 96px 140px 52px 90px;gap:14px;align-items:center}.chapter-line h3{margin:0;font-weight:600}.chapter-number{font-family:ui-monospace,monospace;color:#708378;font-size:12px}.chapter-progress{display:flex;gap:12px;align-items:center;font-size:11px;font-variant-numeric:tabular-nums;white-space:nowrap}.chapter-progress progress{width:70px}.chapter-details{font-size:12px}.chapter-details>summary{margin:-3px 0 8px 44px;width:fit-content;color:#65746e;cursor:pointer}.chapter-description{margin:10px 0 12px 44px;color:#65746e;line-height:1.8}.course-line{display:grid;grid-template-columns:42px 1fr 64px 46px 70px;gap:14px;align-items:center;padding:10px 14px;background:#f0f2ed;border-top:1px solid #dbe2db}.course-kind{font-size:11px;color:#6d7e71}.course-name{font:inherit;text-align:left;border:0;background:none;padding:0;color:#224b40;cursor:pointer;line-height:1.6}.course-name:hover{text-decoration:underline}.original-line{padding:10px 14px 10px 70px;display:grid;grid-template-columns:1fr 180px 140px 76px;gap:12px;align-items:center;border-top:1px solid #e2e7e0}.coverage-line{display:flex;gap:26px;border-top:2px solid #2c4a42;border-bottom:1px solid #dbe2db;padding:17px 0;font-size:13px;margin-bottom:22px}.coverage-line strong{margin-left:8px}.filters{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}.filters label{display:flex;flex-direction:column;gap:6px;font-size:11px;color:#627469}.filters select,.filters input{font-size:12px}.table-scroll{overflow:auto;width:100%;border-top:1px solid #cad5cd}.table-scroll::-webkit-scrollbar{display:block;height:9px}.table-scroll::-webkit-scrollbar-thumb{background:#cad5cd;border-radius:6px}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}thead th{background:#edf1eb;color:#627267;font-size:11px;font-weight:500;padding:13px 12px;border-bottom:1px solid #cbd5cc;white-space:nowrap}tbody th,tbody td{padding:13px 12px;border-bottom:1px solid #dde3dc;line-height:1.6}tbody th{font-weight:600}tbody tr:hover{background:#eef2ec}.nowrap{white-space:nowrap}.table-caption{font-size:11px;color:#6a796e;margin-bottom:8px}.status{font-size:10px;white-space:nowrap;padding:3px 7px;background:#e9eeea;color:#546b5b;border-radius:3px}.status.complete{background:#ddede4;color:#1d6c4e}.status.pending{background:#f1e9d9;color:#846226}.pending-text{color:#876932;font-size:11px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid #2c4a42;border-bottom:1px solid #dbe2db}.metrics>div{padding:24px 22px;border-left:1px solid #dbe2db;display:flex;flex-direction:column;gap:14px}.metrics>div:first-child{border-left:0}.metrics span{font-size:12px;color:#627267}.metrics strong{font-family:ui-monospace,monospace;font-size:30px;font-weight:500}.metrics small{font-size:11px;font-weight:400;color:#748073}.lesson-layout{max-width:1260px;margin:0 auto;display:grid;grid-template-columns:240px minmax(0,1fr);align-items:start;gap:52px;padding:34px 28px 64px}.lesson-outline{position:sticky;top:20px;max-height:calc(100vh - 40px);overflow:auto;padding-right:16px;border-right:1px solid #dce2da;font-size:11px}.lesson-outline h2{font-size:14px;line-height:1.8;margin:22px 0 14px}.lesson-outline p{color:#68766c}.lesson-outline nav{margin:18px 0}.lesson-outline nav button{display:flex;gap:9px;width:100%;border:0;background:none;text-align:left;padding:8px 7px;color:#637269;font-size:11px;line-height:1.6}.lesson-outline nav button>span:first-child{min-width:18px;flex-shrink:0}.lesson-outline nav button[aria-current]{background:#e6eee6;color:#1a5747;border-left:2px solid #286e56}.lesson-main{width:100%;max-width:640px;padding-top:2px;margin:0 auto}.lesson-toolbar{display:flex;justify-content:space-between;align-items:center;color:#758276;font-size:10px;text-transform:uppercase;border-bottom:1px solid #dce2da;padding-bottom:16px;margin-bottom:28px;gap:12px}.lesson-step{line-height:1.85}.lesson-step svg:not([width="20"]){max-width:480px;margin-inline:auto;display:block}.lesson-step>div>div>button{max-width:100%}.lesson-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:30px;padding-top:24px;border-top:1px solid #dce2da}.correct{color:#257857}.wrong{color:#ad542e}.original-entry{margin-top:38px;padding:20px 0;border-top:1px solid #dce2da}.original-entry h3{margin-bottom:6px}.original-entry p{font-size:12px;color:#64766a}.mobile-outline{display:none}.phase-tabs{display:flex;border-bottom:1px solid #cbd5cd;gap:20px;margin:18px 0 32px}.phase-tabs button{border:0;border-bottom:3px solid transparent;background:none;padding:12px 2px;font-size:12px;color:#6d7c70;white-space:nowrap}.phase-tabs button[aria-current]{border-color:#26796e;color:#1d5d4d}.reading-column{max-width:640px;margin:0 auto}.reading-column>p{font-size:13px}.study-option{border-top:1px solid #dbe2db;padding:24px 0}.study-option h3{margin-top:14px}.original-course>.text-button{margin-bottom:24px}.official-document{border:1px solid #ccd5ce;border-radius:4px;overflow:hidden;background:#fff;margin:18px auto;max-width:620px}.document-heading{background:#28443e;color:#fff;padding:12px 14px;display:flex;align-items:center;gap:12px;font-size:10px;line-height:1.6}.source-label{border:1px solid #8caaa0;padding:2px 6px;flex-shrink:0}.document-tools{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;background:#eff3ed;font-size:11px}.document-tools button{padding:4px 9px}.document-tools select{padding:4px}.official-document img{width:100%;display:block;height:auto}.official-document iframe{width:100%;height:620px;border:0}.document-links{display:flex;gap:20px;padding:12px;font-size:11px;border-top:1px solid #e1e6de}.source-details{margin:22px 0;border:1px solid #dce2da;padding:12px}.source-details summary{cursor:pointer;font-size:12px;color:#486c59}.source-region{margin:18px 0;background:#fff;border:1px solid #d5ded3}.source-region svg{width:100%;display:block}.source-region figcaption{font-size:10px;padding:8px 12px;color:#6e7a6e}.answer-workspace{display:grid;grid-template-columns:180px minmax(0,1fr);gap:42px}.answer-index{position:sticky;top:20px;align-self:start;max-height:calc(100vh - 40px);overflow:auto;font-size:11px}.answer-index h2{font-size:14px}.answer-index nav{display:grid;grid-template-columns:1fr 1fr;gap:5px}.answer-index nav button{border:1px solid #d5dfd3;background:#fff;font-size:11px;padding:8px 5px;display:flex;gap:6px}.answer-index nav button[aria-current]{background:#e0ece2;border-color:#72a58a}.answer-editor{max-width:640px;margin:0 auto;width:100%}.answer-editor>p{font-size:13px}.answer-label{font-weight:600;font-size:13px;display:block;margin:22px 0 10px}.inline-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:16px 0}.answer-reference{background:#eef3ed;padding:20px;margin:20px 0;border-left:2px solid #578972}.answer-reference pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;line-height:1.9;font-size:13px}.answer-reference fieldset{border:0;padding:12px 0 0}.answer-reference fieldset label{display:inline-flex;gap:4px;align-items:center;margin-right:16px;font-size:12px}.answer-reference legend{font-weight:600;font-size:12px}.submission-panel{border-top:2px solid #28443e;margin-top:34px;padding-top:20px;font-size:12px}.review-item{border-top:1px solid #d7e0d4;padding:18px 0}.review-item summary{cursor:pointer;font-size:14px;line-height:1.8}.review-item p{font-size:13px;margin:14px 0}.settings-page section{max-width:690px;margin:28px 0 40px;line-height:2}.file-input{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.settings-page label.button:focus-within{outline:2px solid #26796e}.settings-page li{margin:8px 0}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:16px;align-items:center;background:#244c40;color:#fff;padding:14px 20px;border-radius:4px;z-index:50;box-shadow:0 4px 24px #203c3220;max-width:90vw;font-size:12px}.toast button{background:none;border:0;color:#fff;font-size:20px}.storage-warning{padding:16px 28px;background:#fff0d9;color:#745728;line-height:1.8}.storage-warning a{margin-left:16px}.site-footer{border-top:1px solid #dce3d9;padding:22px max(28px,calc((100vw - 1184px)/2));display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#7b8779}.empty{padding:36px 0;color:#6b786a}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip-link:focus{display:block;padding:12px;background:#fff}.site button:focus-visible,.site a:focus-visible,.site summary:focus-visible{outline:2px solid #26796e;outline-offset:3px}@media(min-width:1450px){.lesson-main{margin-left:54px}.page{padding-top:56px}}@media(max-width:900px){.site-header{padding:0 20px}.site-header nav a{padding:10px}.site-header nav a span{display:none}.lesson-layout{gap:24px;grid-template-columns:190px 1fr;padding-inline:20px}.chapter-line{grid-template-columns:28px 1fr 76px 100px 40px 80px;gap:8px}.chapter-progress progress{width:40px}.original-line{grid-template-columns:1fr 150px 70px;padding-left:20px}.original-line>span:last-of-type{display:none}.answer-workspace{grid-template-columns:140px 1fr;gap:24px}.metrics>div{padding:20px 14px}.metrics strong{font-size:25px}}@media(max-width:640px){h1{font-size:25px}.site-header{height:70px;padding:0 14px;gap:12px}.brand{gap:8px;font-size:11px}.brand-mark{font-size:26px}.brand small{display:none}.site-header nav{gap:0}.site-header nav a{padding:8px}.page{padding:28px 16px 48px}.page-title{align-items:start;gap:12px}.page-count{font-size:24px}.page-count small{display:block;font-size:10px}.chapter-line{grid-template-columns:24px 1fr 64px 74px;min-height:54px}.chapter-line h3{font-size:13px}.chapter-line>.tabular{display:none}.chapter-progress{display:none}.chapter-details>summary{margin-left:32px}.chapter-description{margin-left:32px}.course-line{grid-template-columns:1fr 48px 64px;gap:8px}.course-kind,.course-line>.tabular:last-of-type{display:none}.original-line{grid-template-columns:1fr 72px;padding-left:12px}.original-line>.muted{display:none}.resume-line{flex-wrap:wrap;font-size:12px;padding:12px}.resume-line>span{display:none}.coverage-line{gap:12px;flex-wrap:wrap;font-size:11px}.filters{gap:10px}.filters label{flex:1 1 42%}.section-heading input{width:150px}.metrics{grid-template-columns:1fr 1fr}.metrics>div:nth-child(3){border-left:0}.metrics>div:nth-child(n+3){border-top:1px solid #dbe2db}.lesson-layout{display:block;padding:24px 16px 44px}.lesson-outline{display:none}.mobile-outline{display:block;margin-bottom:24px;font-size:12px}.mobile-outline select{width:100%;margin-top:12px}.lesson-toolbar{margin-bottom:20px}.phase-tabs{gap:16px;overflow-x:auto}.phase-tabs button{font-size:11px}.answer-workspace{display:block}.answer-index{position:static;max-height:none}.answer-index nav{grid-template-columns:repeat(4,1fr);margin-bottom:20px}.answer-index>p,.answer-index>details{display:none}.answer-editor{margin-top:25px}.document-heading{font-size:9px}.document-tools{gap:4px;font-size:10px;padding:8px}.document-tools label{display:flex;align-items:center;gap:4px}.document-tools select{width:70px}.site-footer{padding:20px 16px;flex-direction:column;gap:6px}.lesson-footer .text-button{font-size:11px}.toast{width:90vw}.lesson-step svg{max-width:100%}}.chapter-toggle{border:0;background:none;color:#65746e;font-size:11px;white-space:nowrap;padding:8px 0;text-align:left}.related-themes{display:block;font-size:9px;color:#6d7d6c;margin-top:4px;max-width:150px}.source-alert{background:#fff0d9;color:#735821;padding:14px 18px;font-size:12px;line-height:1.8}.original-course .source-label{color:#416b55}.original-course .document-heading .source-label{color:#fff}.workshop-section{border-left:3px solid #278576;padding:10px 14px;margin-bottom:24px;display:grid;gap:5px;background:#eef4ef}.workshop-section>span,.workshop-section>small{font-size:11px;color:#586e66}.workshop-section>strong{font-size:14px}.outline-section{display:block;font-size:10px;color:#278576;font-weight:700;margin:12px 0 5px}.order-buttons{display:flex;gap:4px;touch-action:manipulation}.order-buttons button{min-width:36px;min-height:36px;border:1px solid #cbd6ce;border-radius:5px;background:#fff;color:#25483f}.order-buttons button:disabled{opacity:.3}.workshop-curriculum{border-top:2px solid #2c4a42;margin:20px 0 28px}.workshop-curriculum>div{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:12px;align-items:center;min-height:58px;padding:7px 0;border-bottom:1px solid #dbe2db}.workshop-curriculum>div>span{font:11px ui-monospace,monospace;color:#748079;text-align:center}.workshop-curriculum>div>div{display:flex;flex-direction:column;gap:3px}.workshop-curriculum strong{font-size:13px;line-height:1.5}.workshop-curriculum small{font-size:10px;color:#69776f;line-height:1.5}.lesson-step>.source-region{max-height:430px;overflow:auto;overscroll-behavior:contain}.lesson-step>.source-region figcaption{position:sticky;bottom:0;background:#fff;border-top:1px solid #e1e6de}.original-passage{min-width:0}.original-blocks,.reading-context{font-size:17px;line-height:2;overflow-wrap:anywhere;line-break:strict}.original-blocks .original-paragraph,.reading-context p{font-size:inherit;line-height:inherit;white-space:pre-wrap;margin:0 0 24px}.original-blocks .original-paragraph:last-child{margin-bottom:0}.original-page{display:block;font-size:11px;color:#68776e;line-height:1.6;margin-top:10px}.reading-context{background:#eef2ec;border-left:3px solid #9aaa9f;padding:14px 16px;margin-bottom:20px}.reading-context>strong{display:block;font-size:12px;color:#486654;margin-bottom:12px}.reading-context p:last-of-type{margin-bottom:0}.original-frame{border:1px solid #aebdb3;background:#fff;margin-bottom:16px}.original-frame-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 14px;background:#e8eee9;border-bottom:1px solid #c7d2ca;color:#294e42}.original-frame-heading span{font-size:12px;font-weight:700}.original-frame-heading small{font-size:10px;color:#66786e}.original-blocks{padding:20px 22px 12px}.original-frame .source-region{margin:6px 0 16px}.original-frame-source{padding:9px 14px;margin:0;border-top:1px solid #d9e0da;background:#f7f8f5}.original-passage .original-note{font-size:11px;line-height:1.8;color:#68776e;margin:18px 0 10px}.original-scan{margin:12px 0 20px}.original-scan summary{cursor:pointer;font-size:12px;line-height:1.8}.original-scan[open] summary{margin-bottom:12px}.reading-course>.page-title{margin-top:20px;margin-bottom:18px}.reading-progress{display:flex;flex-wrap:wrap;gap:12px 26px;padding:14px 0;border-top:2px solid #2c4a42;border-bottom:1px solid #dbe2db;font-size:12px}.reading-progress strong{font-variant-numeric:tabular-nums;margin-left:6px}.reading-outline{margin:18px 0 28px;font-size:13px}.reading-outline summary,.reading-reference summary,.reading-glossary summary{cursor:pointer;line-height:1.8}.reading-outline ol{padding:0;list-style:none}.reading-outline li{display:flex;gap:16px;align-items:center;padding:12px 0;border-bottom:1px solid #dbe2db}.reading-outline li>button:first-child{flex:1}.reading-outline li>span{white-space:nowrap;font-size:12px}.reading-chapter{max-width:690px;margin:0 auto 22px;border-left:3px solid #26796e;padding:12px 16px;background:#edf2ed}.reading-chapter>span{font-size:11px;color:#63726f}.reading-chapter h2{margin:6px 0;font-size:17px}.reading-chapter p{margin:0;font-size:13px}.reading-course .reading-column{max-width:690px}.reading-lead{font-size:14px}.reading-glossary{margin:16px 0;padding:12px 16px;background:#eef2ec;font-size:13px}.reading-glossary dl{margin-bottom:0}.reading-glossary dt{font-weight:650}.reading-glossary dd{margin:4px 0 14px;line-height:1.8}.reading-source-tools{display:flex;justify-content:space-between;align-items:center;padding:12px 0}.reading-excerpts .source-region{overflow-x:auto;max-width:100%;margin:0 0 12px;overscroll-behavior:contain;background:#fff}.reading-excerpts .source-region svg{display:block;width:100%;max-height:none}.reading-excerpts.is-zoomed .source-region svg{width:900px;max-width:none}.reading-excerpts .source-region figcaption{font-size:11px;padding:8px;white-space:normal}.reading-check{border-top:1px solid #dbe2db;padding-top:22px;margin-top:24px}.reading-check h3{font-size:16px;line-height:1.8}.reading-choices{display:grid;gap:10px}.reading-choice{border:1px solid #cbd3ce;background:#fff;border-radius:5px;min-height:46px;text-align:left;padding:12px 16px;font-size:14px;line-height:1.7;color:#192e34}.reading-choice.selected{border-color:#26796e;background:#edf3ee}.reading-choice:disabled{opacity:1;cursor:default}.reading-choice span{display:block;font-size:11px;color:#26796e}.reading-feedback{padding:16px;background:#edf2ed;margin-top:18px;font-size:13px;line-height:1.9}.reading-feedback p{margin:8px 0}.reading-reference{padding:14px;background:#f0f3ef;margin:20px 0;font-size:13px}.reading-reference details{margin:12px 0}.reading-chapter-answers>p{max-width:690px;margin:0 auto 24px;font-size:14px}.reading-chapter-answers>.lesson-footer{max-width:690px;margin:26px auto}.reading-result>.button{margin-top:22px}.reading-result .workshop-curriculum>div{grid-template-columns:minmax(0,1fr) auto auto}@media(max-width:640px){.reading-outline li{flex-wrap:wrap;gap:8px}.reading-outline li>button:first-child{flex-basis:100%}.reading-progress{gap:10px;font-size:11px}.reading-source-tools .text-button{min-height:40px}.reading-course .page-title h1{font-size:23px}.reading-chapter-answers .answer-index{position:static}.reading-chapter-answers .lesson-footer{flex-wrap:wrap}.original-blocks{padding:17px 16px 8px}.original-frame-heading{align-items:flex-start;flex-direction:column;gap:2px}}@media(max-width:640px){.workshop-curriculum>div{grid-template-columns:22px minmax(0,1fr) auto;gap:8px}.workshop-curriculum .button.small{padding:6px 8px;font-size:10px}.workshop-curriculum strong{font-size:12px}.lesson-step>.source-region{max-height:360px}}.study-page{--study-ink: #213c35;--study-teal: #176b5a;--study-paper: #faf8f3;--study-green: #e8f3eb;--study-amber: #f6dfad;--study-border: #d5dfd7;color:var(--study-ink);background:var(--study-paper);font-size:14px;line-height:1.65}.study-page .page-title{margin-bottom:20px}.study-page h1{font-size:clamp(26px,4vw,34px)}.study-page h2{font-size:20px}.study-page :is(small,.help,.muted,.table-caption,.status,.pending-text,.course-kind,.metrics span,.metrics small,.page-count small){font-size:14px}.study-page :is(.help,.muted,.table-caption,.metrics small,.metrics span){color:#53685d}.study-page :is(button,a,input,select,summary){touch-action:manipulation}.study-page :is(.button,input,select){min-height:44px;border-radius:9px;font-size:14px}.study-page .button{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;text-decoration:none;line-height:1.5;text-align:center;white-space:normal;border:1px solid var(--study-border);background:#fff;color:var(--study-teal)}.study-page .button.primary{background:var(--study-teal);color:#fff;border-color:var(--study-teal)}.study-page .button.small{min-height:44px;font-size:14px;padding:8px 10px}.study-page .button:hover:not(:disabled){background:var(--study-green);color:var(--study-teal);border-color:var(--study-teal)}.study-page .button.primary:hover{background:#105444;color:#fff}.study-page :is(button,a,summary,input,select,[tabindex]):focus-visible{outline:3px solid var(--study-teal);outline-offset:3px}.study-page .text-button{color:var(--study-teal);font-size:14px;min-height:44px;padding:6px 0;text-align:left;white-space:normal}.study-page .course-name{color:var(--study-teal);min-height:44px;font-size:14px}.study-page .course-name:hover{text-decoration:underline;text-underline-offset:4px}.study-start{border:1px solid var(--study-border);border-left:4px solid var(--study-teal);border-radius:12px;padding:22px 24px;background:var(--study-green);margin-bottom:30px}.study-start h2{margin-bottom:6px}.study-start p{max-width:66ch;margin-bottom:18px}.study-next{display:flex;flex-wrap:wrap;gap:16px 24px}.study-next>div{display:flex;flex-direction:column;align-items:flex-start;gap:6px;flex:1 1 260px}.study-next>div>span{font-size:14px}.study-page .section-heading{flex-wrap:wrap;gap:16px;margin:26px 0 12px}.study-page .section-heading h2{margin:0}.study-search{display:flex;align-items:center;gap:12px}.study-page .section-heading input{width:280px}.study-count{margin-bottom:10px;color:#53685d;font-variant-numeric:tabular-nums}.study-page .chapter-list{border-top:2px solid var(--study-teal)}.study-page .chapter-list-item{border:0;border-bottom:1px solid var(--study-border);border-radius:0;background:transparent;margin:0;box-shadow:none}.study-page .chapter-line{display:grid;grid-template-columns:32px minmax(0,1fr) 145px 125px 78px;align-items:center;gap:12px;padding:8px 0;min-height:60px}.study-page .chapter-line h3{margin:0;font-size:15px}.study-page .chapter-line h3 .course-name{font-size:15px;font-weight:650;width:100%}.study-page .chapter-number{font-size:16px;color:var(--study-teal);font-variant-numeric:tabular-nums}.study-chapter-state{font-size:14px}.study-chapter-state small{display:block;color:#53685d}.study-page .chapter-toggle{min-height:44px;font-size:14px;padding:6px;color:var(--study-teal);border-radius:8px}.study-page .chapter-toggle:hover{background:var(--study-green)}.study-no-exams{font-size:14px;color:#53685d;padding-left:6px}.study-page .chapter-details{background:#f0f4ee;padding:12px;border-radius:8px;margin-bottom:12px}.study-page .chapter-details[hidden]{display:none}.study-page .chapter-description{margin:0 0 12px;padding:0;font-size:14px}.study-page .course-line{grid-template-columns:44px minmax(0,1fr) 70px 60px 74px;padding:8px;gap:10px;font-size:14px}.study-page .original-line{grid-template-columns:minmax(0,1fr) 180px 185px 74px;padding:8px;gap:10px;font-size:14px}.study-page .original-line>span{display:block}.study-page .coverage-line{flex-wrap:wrap;gap:12px 24px;font-size:14px;border-top-color:var(--study-teal)}.study-page .filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:18px;background:var(--study-green);border-radius:12px;gap:14px}.study-page .filters label{font-size:14px;color:var(--study-ink);min-width:0}.study-page .filters :is(select,input){width:100%;font-size:14px}.study-filter-summary{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin:16px 0}.study-filter-summary p{margin:0}.study-page .table-scroll{border:1px solid var(--study-border);border-radius:10px;background:#fff;overscroll-behavior-x:contain}.study-page table{font-size:14px;border-collapse:separate;border-spacing:0}.study-page thead th{font-size:14px;color:var(--study-ink);background:var(--study-green)}.study-page :is(tbody th,tbody td){padding:14px 12px;vertical-align:top}.study-exam-table{min-width:660px;table-layout:fixed}.study-exam-table tr>:nth-child(1){width:145px}.study-exam-table tr>:nth-child(2){width:160px}.study-exam-table tr>:nth-child(4){width:190px}.study-page .study-exam-table tr>:first-child{position:sticky;left:0;z-index:1;background:#fff;border-right:1px solid var(--study-border)}.study-page .study-exam-table thead tr>:first-child{background:var(--study-green);z-index:2}.study-page .study-exam-table tbody tr:hover>:first-child{background:#f0f4ee}.study-block{display:block;font-weight:400;margin:5px 0}.study-material{display:flex;flex-direction:column;align-items:flex-start;gap:3px}.study-material>span{font-size:14px;color:#53685d}.study-details{margin-top:8px}.study-details summary{min-height:44px;padding:10px 0;cursor:pointer;color:var(--study-teal)}.study-details dl{margin:6px 0;font-size:14px}.study-details dt{font-weight:650;margin-top:12px}.study-details dd{margin:2px 0;overflow-wrap:anywhere}.study-page .status{display:inline-block;white-space:normal;background:var(--study-amber);color:#5b441b;border-radius:8px;padding:4px 8px}.study-page .status.complete{color:#125441;background:var(--study-green)}.study-empty{text-align:center;padding:28px 16px;background:var(--study-green);border-radius:12px;margin:16px 0}.study-empty h3{font-size:17px;margin-bottom:8px}.study-empty p{margin-bottom:16px}.study-page .metrics{margin-bottom:28px}.study-reading-stats{margin:28px 0}.study-reading-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,1fr) auto;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--study-border)}.study-progress-scroll table{min-width:840px}@media(max-width:900px){.study-page .original-line{grid-template-columns:minmax(0,1fr) 150px 74px}.study-page .original-line>.muted{grid-column:1}.study-page .original-line>span:last-of-type{grid-column:2;grid-row:1 / span 2}.study-page .original-line>.button{grid-column:3;grid-row:1 / span 2}}@media(max-width:640px){.study-page .page-title{flex-wrap:wrap}.study-page .page-count{display:flex;align-items:baseline;gap:8px}.study-start{padding:18px 16px}.study-next>div{align-items:stretch}.study-search{align-items:flex-start;flex-direction:column;width:100%;gap:6px}.study-page .section-heading input{width:100%}.study-page .chapter-line{grid-template-columns:26px minmax(0,1fr) 92px;gap:0 8px;padding:6px 0}.study-page .chapter-line h3{grid-column:2}.study-page .chapter-line>.button{grid-column:3;grid-row:1;justify-self:end}.study-chapter-state{grid-column:2;grid-row:2}.study-page .chapter-toggle,.study-no-exams{grid-column:3;grid-row:2;justify-self:end;padding:0;font-size:12px}.study-page .study-chapter-state,.study-page .study-chapter-state small{font-size:12px}.study-page :is(input,select),.study-page .filters :is(input,select){font-size:16px}.study-page .chapter-details{padding:10px}.study-page .course-line{grid-template-columns:minmax(0,1fr) auto}.study-page .course-line>:is(.course-kind,.tabular){display:block}.study-page .course-line>.course-kind{grid-column:1 / -1}.study-page .course-line>.button{grid-column:2}.study-page .original-line{grid-template-columns:minmax(0,1fr) 74px}.study-page .original-line>.course-name{grid-column:1}.study-page .original-line>.muted{grid-column:1}.study-page .original-line>span:last-of-type{grid-column:1;grid-row:auto}.study-page .original-line>.button{grid-column:2;grid-row:1 / span 3}.study-page .filters{grid-template-columns:repeat(2,minmax(0,1fr));padding:12px;gap:12px}.study-page .filters label:last-child{grid-column:1 / -1}.study-exam-table{min-width:620px}.study-exam-table tr>:nth-child(1){width:105px}.study-exam-table tr>:nth-child(2){width:115px}.study-exam-table tr>:nth-child(4){width:165px}.study-page .study-exam-table :is(th,td){padding:10px 8px;overflow-wrap:anywhere}.study-reading-row{grid-template-columns:minmax(0,1fr) auto;gap:8px}.study-reading-row strong{grid-column:1 / -1}.study-page .metrics>div{padding:16px 12px}}.overall-progress{margin:0 0 28px;padding:20px 0;border-top:1px solid var(--study-border);border-bottom:1px solid var(--study-border);font-variant-numeric:tabular-nums}.overall-heading,.overall-count,.overall-status,.overall-exams{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.overall-heading h2{margin:0 0 14px}.overall-progress a{color:var(--study-teal);text-underline-offset:3px}.overall-count{margin-bottom:8px}.overall-count strong{font-size:28px}.overall-count b{color:var(--study-teal);font-size:20px}.overall-progress progress{display:block;appearance:none;width:100%;height:10px;border:0;border-radius:8px;overflow:hidden;background:#dce4df;accent-color:var(--study-teal)}.overall-progress progress::-webkit-progress-bar{background:#dce4df;border-radius:8px}.overall-progress progress::-webkit-progress-value{background:var(--study-teal);border-radius:8px}.overall-progress progress::-moz-progress-bar{background:var(--study-teal);border-radius:8px}.overall-status{margin-top:8px;color:#53685d;font-size:13px}.overall-breakdown{margin:18px 0 12px}.overall-row{display:grid;grid-template-columns:140px minmax(40px,1fr) 110px;gap:16px;align-items:center;padding:7px 0}.overall-row>span:last-child{text-align:right}.overall-row progress{height:5px}.overall-exams{padding-top:12px;border-top:1px solid var(--study-border)}.overall-notes{margin-top:12px;color:#53685d;font-size:12px}.overall-notes summary{cursor:pointer;width:fit-content;padding:6px 0}.overall-notes p{margin:6px 0}@media(max-width:640px){.overall-row{grid-template-columns:112px minmax(24px,1fr) 94px;gap:8px;font-size:13px}.overall-count{font-size:12px}.overall-count strong{font-size:26px}}.reading-course.page{background:#faf8f3;padding-top:24px;padding-bottom:calc(160px + env(safe-area-inset-bottom));color:#253c34}.reading-course .reading-heading,.reading-course .reading-tools,.reading-course .reading-current-toolbar,.reading-course .reading-column,.reading-course .reading-chapter-answers>h2,.reading-course .reading-chapter-answers>p,.reading-course .reading-answer-help{max-width:740px;margin-inline:auto}.reading-course .reading-heading{margin-block:16px}.reading-course .reading-heading h1{font-size:20px;line-height:1.6;letter-spacing:0}.reading-course .reading-heading p{margin:0;font-size:14px;color:#53685d}.reading-course .reading-tools{display:flex;flex-wrap:wrap;gap:8px 24px;margin-bottom:20px}.reading-course .reading-outline,.reading-course .reading-records{margin:0;font-size:13px}.reading-course .reading-tools>details[open]{flex-basis:100%}.reading-course summary{cursor:pointer;padding-block:10px;line-height:1.8;color:#176b5a}.reading-course .reading-outline nav{padding:8px 16px 16px;border:1px solid #d5dfd6;border-radius:10px;background:#fff}.reading-course .reading-outline ol{margin:0;padding:0;list-style:none}.reading-course .reading-outline li{display:block;padding:0;border:0}.reading-course .reading-outline h2{font-size:14px;margin:18px 0 6px}.reading-course .reading-outline-link{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:48px;padding:10px;border:0;border-radius:8px;background:#fff;color:#253c34;text-align:left;font-size:14px;line-height:1.7}.reading-course .reading-outline-link small{color:#53685d;font-size:12px;flex-shrink:0}.reading-course .reading-outline-link:hover,.reading-course .reading-outline-link[aria-current]{background:#e8f3eb}.reading-course .reading-outline-link[aria-current]{box-shadow:inset 3px 0 #176b5a;font-weight:700}.reading-course .reading-progress{border:0;padding:12px 0;gap:10px 20px}.reading-course .reading-records>p{font-size:13px;margin-bottom:8px}.reading-course .reading-current-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;margin-bottom:24px;background:#e8f3eb;border-radius:10px}.reading-course .reading-current-toolbar>div:first-child{min-width:0}.reading-course .reading-current-toolbar span{display:block;font-size:12px;line-height:1.7}.reading-course .reading-current-toolbar strong{display:block;margin-top:4px;font-size:15px}.reading-course .reading-position{flex:0 0 130px;font-variant-numeric:tabular-nums}.reading-course .reading-position progress{display:block;margin-top:8px;height:6px;accent-color:#176b5a}.reading-course .reading-position progress::-webkit-progress-value{background:#176b5a}.reading-course #reading-current{scroll-margin-top:16px}.reading-course :is(button,summary,a,input,textarea,select):focus-visible,.reading-course #reading-current:focus{outline:3px solid #176b5a;outline-offset:4px}.reading-course :is(button,summary,a,input,textarea,select){scroll-margin-block:24px 150px}.reading-course .reading-column>h2{margin-bottom:10px;font-size:23px;line-height:1.65}.reading-course .reading-column>.reading-lead{font-size:15px;line-height:1.9;color:#53685d}.reading-course .reading-glossary{background:#fff;border:1px solid #d5dfd6;border-radius:10px;padding:2px 14px}.reading-course .reading-source-tools{padding-block:8px}.reading-course .original-frame{border-radius:10px;overflow:hidden;border-color:#bdcfc2}.reading-course .original-frame-heading{background:#e8f3eb}.reading-course .reading-context{background:#e8f3eb;border-radius:8px}.reading-course .original-blocks{font-size:17px;line-height:2}.reading-course .reading-check{background:#fff;border:1px solid #d5dfd6;border-radius:12px;padding:22px;margin-top:32px}.reading-course .reading-check .eyebrow{font:inherit;font-size:13px;letter-spacing:0;color:#176b5a}.reading-course .reading-choice{min-height:48px;border-radius:8px;font-size:15px}.reading-course .reading-choice:hover:not(:disabled),.reading-course .reading-choice.selected{background:#e8f3eb;border-color:#176b5a}.reading-course .reading-feedback{background:#e8f3eb;border-radius:8px;padding:14px 16px}.reading-course .reading-feedback.needs-review{background:#f6dfad}.reading-course .reading-feedback>p{margin-top:0}.reading-course .reading-feedback .text-button{min-height:44px}.reading-course .button{border-radius:8px;min-height:44px;white-space:normal;text-align:center}.reading-course .button.primary{background:#176b5a;border-color:#176b5a;color:#fff}.reading-course .button.primary:hover{background:#125747}.reading-course .text-button{color:#176b5a}.reading-course .reading-bottom-nav{position:fixed;inset:auto 0 0;z-index:30;background:#faf8f3;border-top:1px solid #d5dfd6;padding:12px max(16px,env(safe-area-inset-left)) calc(12px + env(safe-area-inset-bottom))}.reading-course .reading-bottom-nav>div{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:740px;margin-inline:auto}.reading-course .reading-bottom-nav .button{flex-shrink:0}.reading-course .reading-nav-note{font-size:12px;color:#53685d}.reading-course .reading-answer-help{margin-bottom:20px;font-size:13px}.reading-course .reading-reference{border-radius:10px;background:#e8f3eb}.reading-course .answer-index{max-height:calc(100dvh - 170px)}.reading-course .reading-result{background:#fff;padding:24px;border:1px solid #d5dfd6;border-radius:12px}.reading-course .reading-result .workshop-curriculum>div{gap:12px}@media(max-width:640px){.reading-course.page{padding-inline:16px}.reading-course .reading-heading h1{font-size:18px}.reading-course .reading-current-toolbar{gap:12px;padding:12px}.reading-course .reading-position{flex-basis:100px}.reading-course .reading-column>h2{font-size:21px}.reading-course .reading-check{padding:16px}.reading-course .reading-outline-link{align-items:start;flex-direction:column;gap:2px}.reading-course .reading-outline-link small{white-space:normal}.reading-course .reading-bottom-nav>div{gap:8px;flex-wrap:wrap}.reading-course .reading-nav-note{order:-1;flex-basis:100%;text-align:center}.reading-course .reading-bottom-nav .button{flex-shrink:1;max-width:70%}.reading-course .reading-result{padding:18px 14px}.reading-course .reading-result .workshop-curriculum>div{grid-template-columns:minmax(0,1fr) auto}.reading-course .reading-result .workshop-curriculum .button{grid-column:1 / -1;justify-self:start}.reading-course .answer-index{max-height:none}}:root{color:#223d35;background:#faf8f3;font-size:15px}.site-header{height:88px;background:#fffdf8;border-bottom:1px solid #e2e6dc;gap:20px}.brand{letter-spacing:.025em;font-size:17px;gap:11px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;background:#176b5a;color:#fff;border-radius:12px;font:700 24px -apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:-.08em;padding-right:3px;transform:rotate(-4deg)}.brand-mark{display:flex;align-items:center;justify-content:center}.brand-mark span{color:#f6dfad}.brand small{font-size:11px;letter-spacing:0;margin-top:4px}.site-header nav{gap:7px}.site-header nav a{min-height:48px;min-width:60px;border:0;border-radius:10px;font-size:13px;font-weight:600;color:#53685e;padding:10px 12px}.site-header nav a[aria-current]{color:#125642;background:#e8f3eb;border:0}.site-header nav a:hover{background:#f0f3ea}.site-header nav a span{display:block}.page{padding-top:36px}h1{font-size:30px;letter-spacing:-.025em;color:#223d35}h2{color:#223d35}.page-title p{font-size:15px;line-height:1.8;color:#53685e}.eyebrow{letter-spacing:.025em;font-family:inherit;font-size:11px;text-transform:none}.button{min-height:42px;border-radius:9px;border-color:#c7d5c9;font-size:14px;padding:10px 16px;transition:background .15s ease,box-shadow .15s ease}.button.primary{background:#176b5a;border-color:#176b5a;box-shadow:0 2px #10503f}.button.primary:hover{background:#125642}.button.small{border-radius:8px;font-size:12px;min-height:36px}.text-button{font-size:14px;line-height:1.65;color:#176b5a;min-height:36px;text-decoration:none}.text-button:hover{text-decoration:underline}input,select,textarea{border-radius:8px;border-color:#bdccc1;min-height:44px;font-size:16px}summary{cursor:pointer;line-height:1.8;min-height:36px}.status{border-radius:6px;padding:4px 7px;font-size:11px}.help{color:#5b6e63;font-size:13px}.table-scroll{border:1px solid #d6e0d7;border-radius:10px;background:#fff}table{font-size:13px}thead th{font-size:12px;background:#edf3eb;padding:13px 12px}tbody td,tbody th{padding:14px 12px}.page-count{font-family:inherit;font-weight:700;color:#176b5a}.page-count small{font-weight:400}.site-footer{font-size:12px;line-height:1.8;color:#607368;background:#f2f2e9}.session-layout{padding-top:28px;padding-bottom:90px;gap:40px}.session-layout .lesson-main{max-width:660px;scroll-margin-top:20px;min-width:0}.session-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}.session-heading>span{font-size:11px;color:#667a6d}.session-title{font-size:17px;line-height:1.65;margin-bottom:18px}.session-layout .lesson-toolbar{font-size:12px;text-transform:none;border:0;margin:0;padding-bottom:8px}.session-progress{height:6px;border-radius:6px;margin-bottom:22px}.session-layout .lesson-step{background:#fff;border:1px solid #e0e6dc;border-radius:16px;padding:26px;margin-top:14px;box-shadow:0 3px 16px #29472c04}.session-layout .lesson-step h2{line-height:1.7!important}.session-layout .lesson-outline{font-size:13px;border-right:0;padding:0 16px 0 0}.session-layout .lesson-outline nav button{font-size:12px;line-height:1.7;border-radius:6px;padding:10px;min-height:42px}.session-layout .lesson-outline nav button[aria-current]{background:#e4f0e5;border-left:0;font-weight:650}.lesson-primary{width:100%;min-height:48px;border:1px solid #176b5a;background:#176b5a;color:#fff;border-radius:10px;font-size:15px;font-weight:650;padding:12px 18px;line-height:1.6;box-shadow:0 2px #10503f}.lesson-primary:hover:enabled{background:#125642}.lesson-primary:disabled{background:#e1e6df;color:#52665a;border-color:#d1dcd1;box-shadow:none;opacity:1}.session-actionbar{display:flex;align-items:center;gap:14px;position:sticky;bottom:0;padding:14px 0 max(14px,env(safe-area-inset-bottom));background:#faf8f3f5;border-top:1px solid #d7e1d5;z-index:12;margin-top:14px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.session-action-target{flex:1;min-width:0}.session-action-target:empty{display:none}.session-actionbar>.button{min-height:48px}.session-tools{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:15px}.session-tools>span{margin-left:auto;font-size:12px;color:#617365}.session-record-help{font-size:12px;color:#617365;margin-top:12px}.session-record-help p{font-size:13px}.session-record-help summary{font-size:12px}.lesson-judgment{padding:14px 16px;border-radius:10px;font-weight:650;font-size:15px;line-height:1.7;margin-top:20px}.lesson-judgment.is-correct{background:#e8f3eb;color:#176b5a}.lesson-judgment.needs-review{background:#fbeddc;color:#874821}.lesson-explanation{padding:14px 16px;background:#f5f7f1;border-radius:10px}.original-frame{border-color:#c5d1c6;border-radius:12px;overflow:hidden}.original-frame-heading{background:#eaf0e6;padding:12px 16px}.original-frame-heading small{display:none}.original-frame-heading span{font-size:13px}.original-frame-source{background:#fafbf7;font-size:11px}.original-scan summary{font-size:13px}.original-course .phase-tabs{gap:8px;border:0;background:#ecf1e8;border-radius:12px;padding:6px}.original-course .phase-tabs button{border:0;border-radius:8px;font-size:13px;padding:10px 13px;color:#51665a}.original-course .phase-tabs button[aria-current]{background:#fff;color:#176b5a;box-shadow:0 1px 4px #213e3510}.answer-index nav button{min-height:44px;border-radius:7px;font-size:12px}.answer-editor .lesson-toolbar{font-size:12px;text-transform:none}.answer-editor .original-paragraph{font-size:17px}.answer-reference{border-radius:10px;border:1px solid #c7dbcb;background:#eef5ec}.answer-reference fieldset label{min-height:44px;font-size:14px;padding-right:6px}.answer-reference fieldset input{min-height:0;width:18px;height:18px;accent-color:#176b5a}.answer-reference pre,.answer-label{font-size:15px}.answer-editor textarea{font-size:16px}.review-item{background:#fff;border:1px solid #dce5d9;border-radius:12px;padding:16px 20px;margin-bottom:10px}.review-item summary{font-size:15px}.review-item p{font-size:15px}.settings-page section{background:#fff;padding:24px;border-radius:12px;border:1px solid #dce5d9}.settings-page h2{font-size:19px}.toast{bottom:90px;border-radius:10px;font-size:14px}@media(min-width:1450px){.session-layout .lesson-main{margin-left:auto}}@media(max-width:900px){.site-header nav a span{display:block}.site-header nav a{padding:8px}.session-layout{gap:24px}.brand small{display:none}}@media(max-width:640px){.site-header{height:76px;padding:0 12px;gap:8px}.brand{gap:0}.brand>span:last-child{display:none}.brand-mark{width:34px;height:36px;font-size:23px}.site-header nav{gap:1px}.site-header nav a{min-width:49px;min-height:54px;padding:6px 5px;flex-direction:column;gap:3px;font-size:11px;border-radius:9px}.site-header nav a svg{width:19px;height:19px}.page{padding-top:24px}.page-title p{font-size:14px}h1{font-size:26px}.button,.button.small{min-height:44px}.text-button{min-height:40px}.session-layout{padding:18px 16px 64px}.session-title{font-size:16px;margin-bottom:12px}.session-heading>span{font-size:10px}.session-heading .text-button{font-size:12px}.session-layout .lesson-step{padding:20px 17px;border-radius:13px}.session-layout .mobile-outline{margin:0 0 12px;font-size:13px}.session-layout .mobile-outline summary{min-height:40px}.session-layout .session-progress{margin-bottom:10px}.session-actionbar{gap:10px}.session-tools{gap:10px;margin-top:6px}.session-tools .text-button{font-size:12px}.session-tools>span{font-size:11px}.session-record-help{margin-top:8px}.original-course .phase-tabs button{font-size:12px}.answer-editor .lesson-footer{flex-wrap:wrap}.settings-page section{padding:20px 16px}.site-footer{padding-bottom:max(24px,env(safe-area-inset-bottom))}}@media(prefers-reduced-motion:reduce){.button{transition:none}.session-actionbar{-webkit-backdrop-filter:none;backdrop-filter:none}}.is-studying>.site-header,.is-studying>.site-footer{display:none}.session-layout{display:block;max-width:740px;margin:0 auto;padding-top:16px}.session-layout .lesson-main{max-width:none;margin:0}.session-layout .mobile-outline{display:block;font-size:13px;margin:0 0 12px}.session-layout .mobile-outline select{width:100%}.session-heading{margin-bottom:0}.session-title{margin-bottom:8px}.session-options{margin-top:8px;font-size:13px}.session-options .text-button{display:block}.session-actionbar>.button:last-child{margin-left:auto}.reading-course .reading-heading{margin-top:0;margin-bottom:8px}.reading-course .reading-tools{margin-bottom:8px}.reading-course .reading-current-toolbar{padding:8px 0;margin-bottom:16px;background:none;border-radius:0}.reading-course .reading-column>h2{font-size:21px}.reading-course .reading-lead{margin-bottom:12px}.reading-course .reading-bottom-nav .button.primary{min-width:140px}.lesson-step button:disabled{opacity:1}.session-layout .mobile-outline .text-button{display:block}.attribution{margin:12px 0 20px;padding:12px 14px;border-left:3px solid #657a73;background:#f0f4f1;color:#34483f;font-size:12px;line-height:1.7;overflow-wrap:anywhere}.attribution>strong{display:block;font-size:12px}.attribution-past{border-color:#46414d;background:#f0edf4;color:#39313f}.attribution details{margin-top:4px}.attribution summary{cursor:pointer;width:fit-content;padding:4px 0}.attribution p{font-size:12px;line-height:1.8;margin:6px 0}.attribution a,.original-frame-source a{color:inherit;text-decoration:underline;text-underline-offset:3px}.reference-list{overflow-wrap:anywhere;line-height:1.8}
