@charset "UTF-8";
:root{--navy:#122e46;--navy-light:#24465f;--blue:#265cc1;--blue-light:#eaf0fb;--gold:#efb466;--ink:#20364a;--muted:#586b7d;--line:#d8e0e8;--paper:#fff;--bg:#f3f5f8;--green:#21694e;--green-light:#ecf5ef;--radius:10px;--shadow:0 14px 50px #122e4615;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);font-synthesis:none;line-height:1.6;background:var(--bg)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}a{color:var(--blue);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #de942f;outline-offset:4px}svg{width:20px;height:20px;flex-shrink:0}p{margin:0 0 18px}h1,h2,h3,h4{line-height:1.25;color:var(--navy);margin:0}h1{font:500 44px/1.12 Georgia,"Times New Roman",serif;letter-spacing:-.8px}h2{font-size:23px;font-weight:650;margin:28px 0 16px;letter-spacing:-.3px}h3{font-size:17px;font-weight:650}fieldset{border:0;padding:0;margin:0;min-width:0}input[type=checkbox],input[type=radio]{accent-color:var(--blue);width:18px;height:18px;flex:0 0 18px;margin:4px 0 0}input[type=checkbox]{margin-top:4px}textarea,input[type=search],select{width:100%;border:1px solid #a9bac9;border-radius:7px;background:#fff;color:var(--ink);padding:12px 14px;font-size:16px}textarea{resize:vertical;min-height:114px;line-height:1.6}textarea::placeholder,input::placeholder{color:#788797}textarea:focus,input[type=search]:focus,select:focus{border-color:var(--blue)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;left:20px;top:-80px;z-index:99;padding:12px 18px;background:#fff;border-radius:6px}.skip:focus{top:12px}.loading{margin:80px auto;max-width:500px;padding:24px}.loading p{margin-top:20px}
#app{min-height:100vh;display:grid;grid-template-columns:256px minmax(0,1fr)}.sidebar{background:var(--navy);color:#eaf0f5;padding:32px 18px 24px;position:sticky;top:0;height:100dvh;display:flex;flex-direction:column;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;padding:0 10px 34px;font-size:22px;line-height:1.3;font-weight:680;letter-spacing:-.3px}.brand small{display:block;font-size:12px;letter-spacing:.1px;font-weight:400;color:#c0d0de;margin-top:5px}.brand-mark{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:34px;height:40px;background:var(--gold);border-radius:5px;color:var(--navy);font-size:18px;padding-left:2px}.course-nav>summary{display:none}.course-label{font-size:12px;letter-spacing:1.7px;color:var(--gold);padding:0 12px}.sidebar-title{font-family:Georgia,serif;font-size:24px;letter-spacing:-.2px;margin:6px 12px 5px}.sidebar-film{font-size:12px;color:#c0d0de;margin:0 12px 23px}.progress-label{display:flex;justify-content:space-between;font-size:12px;color:#c0d0de;margin:0 12px 8px}.progress-label b{color:#fff;font-weight:500}progress{display:block;width:calc(100% - 24px);height:4px;margin:0 12px 25px;appearance:none;border:0;border-radius:10px;overflow:hidden;background:#345065}progress::-webkit-progress-bar{background:#345065}progress::-webkit-progress-value{background:var(--gold);border-radius:10px}progress::-moz-progress-bar{background:var(--gold)}.stages{display:grid;gap:5px}.stage-link{display:flex;gap:12px;align-items:center;text-decoration:none;color:#d9e5ef;padding:10px 12px;border-radius:7px;line-height:1.4;font-size:15px;position:relative}.stage-link small{display:block;font-size:12px;color:#a7bacb;margin-top:3px}.stage-link:hover{background:#1a3a53}.stage-link.active{background:#2b4861;color:#fff;box-shadow:inset 3px 0 0 var(--gold)}.stage-link.active small{color:#d1dfe9}.stage-number{width:28px;height:28px;border:1px solid #547087;border-radius:50%;display:flex;justify-content:center;align-items:center;font-size:12px;color:#c5d4e0;flex-shrink:0}.active .stage-number{border-color:var(--gold);color:var(--gold)}.stage-number.done{color:#172f42;background:var(--gold);border-color:var(--gold);font-size:15px}.extra-nav{margin:24px 10px 0;padding-top:18px;border-top:1px solid #355168;display:grid;gap:2px}.extra-nav a{color:#d1dfeb;text-decoration:none;font-size:14px;display:flex;gap:10px;align-items:center;padding:9px 0}.extra-nav a:hover,.extra-nav a.active{color:var(--gold)}.extra-nav svg{width:18px;height:18px}.local-note{font-size:12px;color:#a7bacb;padding:20px 12px;line-height:1.6}.sidebar-bottom{font-size:12px;letter-spacing:.3px;color:#a7bacb;margin-top:auto;padding:20px 12px 0}.workspace{min-width:0}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 44px;font-size:13px;color:var(--muted);gap:16px;background:#ffffffb0}.topbar strong{font-weight:500;color:var(--navy)}.divider{padding:0 12px;color:#a8b7c5}.prototype{font-size:12px;white-space:nowrap;border:1px solid var(--line);padding:4px 10px;border-radius:4px;letter-spacing:.2px}.storage-warning{padding:12px 24px;background:#fff1dc;color:#68461b;font-size:14px}main{max-width:1240px;margin:0 auto;padding:40px 44px 60px;min-height:calc(100vh - 150px)}main:focus{outline:none}.section-kicker{display:flex;gap:16px;justify-content:space-between;color:var(--muted);font-size:12px;font-weight:650;letter-spacing:1.5px;margin-bottom:15px}.section-kicker>span{font-size:12px;letter-spacing:1px;font-weight:500}.title-row{display:flex;align-items:center;justify-content:space-between;gap:24px}.subtitle{font-size:18px;color:var(--muted);margin:10px 0 0;line-height:1.5}.stage-stamp{border:1px solid #c5d4e2;color:#4e6780;border-radius:50%;width:78px;height:78px;display:flex;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:16px;background:radial-gradient(circle,transparent 62%,#dee6ee 63%,transparent 66%);flex-shrink:0}.stage-stamp.complete{font-family:inherit;font-size:12px;color:var(--green);border-color:#a1c5af;background:var(--green-light)}.tabs{display:flex;border-bottom:1px solid var(--line);gap:28px;margin:28px 0 30px}.tabs a{font-size:15px;text-decoration:none;padding:0 2px 14px;color:var(--muted);position:relative}.tabs a[aria-current]{color:var(--blue);font-weight:650}.tabs a[aria-current]:after{content:'';height:3px;background:var(--blue);position:absolute;bottom:-1px;left:0;right:0;border-radius:3px 3px 0 0}.tab-check{margin-left:8px;color:var(--green);font-size:13px}.reading-grid,.practice-layout,.plan-layout{display:grid;grid-template-columns:minmax(0,1fr) 236px;gap:30px;align-items:start}.lesson{padding:0;min-width:0}.lesson>p{color:#354e62}.author-goal{background:#e7edf4;border-left:3px solid #708da9;padding:20px 24px;margin-bottom:28px;border-radius:0 7px 7px 0}.eyebrow{font-size:12px;font-weight:650;letter-spacing:1px;color:var(--muted);line-height:1.5}.author-goal p{font-size:17px;line-height:1.65;margin:10px 0 0;color:var(--navy)}.definition{padding-bottom:8px}.definition h2{margin-top:0}.definition p{font-size:18px;line-height:1.75;margin-bottom:7px}.source-caption{font-size:12px;line-height:1.5;color:var(--muted)}.reading-aside{border-top:2px solid #bbcad7;padding-top:19px;position:sticky;top:26px}.aside-label{font-size:12px;letter-spacing:1.5px;color:var(--muted);font-weight:650;margin-bottom:13px}.reading-aside h3{font-size:16px;line-height:1.4}.reading-aside p{font-size:13px;color:var(--muted);margin:9px 0 18px}.source-link{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;display:flex;align-items:flex-start;text-align:left;gap:10px;padding:12px 0;color:var(--blue);font-size:14px;line-height:1.5}.source-link svg{width:17px;height:17px;margin-top:2px}.source-link>span:first-of-type{flex:1}.source-link>span:last-child{font-size:16px}.source-link:hover{color:var(--navy);background:#eaf0f6}.duration{display:grid;gap:6px;margin:24px 0;color:var(--muted)}.duration b{font-size:14px;font-weight:600;color:var(--navy)}.duration span{font-size:12px;line-height:1.6}blockquote{margin:28px 0;padding:24px 26px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 3px 10px #17304903}blockquote .eyebrow{color:var(--blue)}blockquote p{font-family:Georgia,serif;font-size:22px;line-height:1.55;margin:10px 0 14px;color:var(--navy)}blockquote cite{font-family:inherit;font-style:normal;font-size:12px;line-height:1.5;color:var(--muted)}.takeaway{display:flex;gap:14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:28px 0}.takeaway>span{color:var(--blue);font-size:27px;line-height:1.1}.takeaway h3{font-size:15px;margin-bottom:6px}.takeaway p{font-size:15px;color:var(--muted);margin:0}.lesson .editorial-note{font-size:12px;color:var(--muted);line-height:1.65}.read-check{display:flex;align-items:flex-start;gap:11px;padding:16px 0;font-size:14px;cursor:pointer}.actions{display:flex;align-items:center;gap:14px;margin-top:20px}.wrap{flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:44px;line-height:1.4;border:1px solid transparent;border-radius:6px;padding:12px 18px;text-decoration:none;font-size:14px;font-weight:600;text-align:center}.button:hover{text-decoration:none}.primary{color:#fff;background:var(--blue);border-color:var(--blue)}.primary:hover{background:#1c4ca5}.ghost{background:#fff;border-color:#b7c8d8;color:var(--navy)}.ghost:hover{background:#edf2f8}.danger{color:#fff;background:#ad3434}.text-link{font-size:14px;font-weight:550}.text-button{color:var(--muted);border:0;padding:8px 0;text-decoration:underline;text-underline-offset:4px;background:none;font-size:13px}.icon-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:5px;width:38px;height:38px;font-size:22px;color:var(--navy);line-height:1}.icon-button:hover:not(:disabled){background:var(--blue-light);border-color:var(--blue)}.page-footer{border-top:1px solid var(--line);margin:0 44px;padding:22px 0;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:var(--muted)}
.practice-intro{display:flex;gap:20px;align-items:start;margin-bottom:24px}.practice-intro p{max-width:650px;margin:0}.small-note{font-size:12px;white-space:nowrap;color:var(--muted);padding-top:4px}.quiz{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:24px;min-width:0}.quiz:focus{outline:none}.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.success-label{color:var(--green);font-size:12px}.quiz h2{font-size:22px;margin:17px 0 12px}.quiz>p{font-size:15px;color:var(--muted)}.choice{display:flex;align-items:flex-start;gap:12px;cursor:pointer;padding:15px;border:1px solid var(--line);border-radius:6px;margin:10px 0;font-size:15px;line-height:1.6;transition:background .12s}.choice:hover{background:#f4f7fb}.choice.selected{background:var(--blue-light);border-color:var(--blue)}.quiz-actions{display:flex;align-items:center;gap:18px;margin-top:22px;flex-wrap:wrap}.quiz-actions .source-caption{max-width:270px}.feedback{padding:18px 20px;margin-top:22px;border-radius:6px;font-size:14px}.feedback p{margin:7px 0 0}.feedback>span{display:block;margin-top:10px;font-size:13px}.positive{background:var(--green-light);color:#235c44;border-left:3px solid #5d9773}.retry{background:#fff5e4;color:#765221;border-left:3px solid #d09b4d}.stage-finish{padding:2px 0 12px}.stage-finish h2{font-size:23px}.stage-finish p{font-size:15px;color:var(--muted)}.completion-list{list-style:none;padding:0;display:grid;gap:7px;font-size:14px;margin:20px 0;color:#466078}.order-list{list-style:none;padding:0;margin:22px 0;display:grid;gap:9px}.order-list li{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:6px;padding:10px 12px;background:#f7f9fb;min-width:0}.order-index{width:24px;color:var(--muted);font-size:13px}.order-list strong{font-size:14px;letter-spacing:.2px}.order-controls{display:flex;gap:5px;margin-left:auto}.order-controls .icon-button{width:36px;height:36px;font-size:19px}.match-key{background:#f3f6f9;padding:16px 18px;margin:20px 0;border-radius:6px}.match-key p{display:flex;gap:13px;font-size:14px;margin-bottom:14px}.match-key p:last-child{margin-bottom:0}.match-key b{display:flex;justify-content:center;align-items:center;width:24px;height:24px;background:#fff;border:1px solid #c6d2de;border-radius:4px;flex-shrink:0;font-size:12px;color:var(--blue)}.match-selects{display:grid;grid-template-columns:1fr 1fr;gap:16px}.match-selects label{display:grid;gap:6px;font-size:13px}.match-selects select{font-size:14px;padding:10px}.plan-intro h2{margin-top:0}.plan-intro p{color:var(--muted);font-size:15px}.save-status{font-size:12px;color:var(--green)}.note-field{margin:27px 0}.note-field>label{font-size:16px;font-weight:600;color:var(--navy);display:block;line-height:1.4}.note-field>p{font-size:13px;color:var(--muted);margin:7px 0 10px;line-height:1.6}.project-form{border-top:1px solid var(--line);margin-top:36px;padding-top:28px}.project-form>p{font-size:15px;color:var(--muted)}.project-form>h2{margin-top:12px}.field-group{padding:12px 15px;background:#e6edf5;margin:30px 0 20px;border-radius:4px;font-size:15px}.page-subtitle{max-width:700px;margin-bottom:32px}.notebook-bar{display:flex;align-items:center;gap:40px;padding:24px 28px;background:var(--navy);border-radius:8px;color:#fff;margin:30px 0 18px}.notebook-bar>div{display:grid;gap:3px}.notebook-bar b{font-family:Georgia,serif;font-size:28px;line-height:1.2;font-weight:400}.notebook-bar span{font-size:12px;color:#bdcfdd}.notebook-bar .button{margin-left:auto;background:var(--gold);color:var(--navy);border-color:var(--gold)}.notebook-bar .button span{color:var(--navy);font-size:18px}.local-explainer{font-size:13px;color:var(--muted);max-width:760px;margin-bottom:26px}.notebook-sections{border-top:1px solid var(--line)}.notebook-sections details{border-bottom:1px solid var(--line)}.notebook-sections summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;padding:22px 0;list-style:none}.notebook-sections summary::-webkit-details-marker{display:none}.notebook-sections summary:after{content:'+';font-size:23px;font-weight:400;color:var(--muted)}.notebook-sections details[open]>summary:after{content:'−'}.notebook-sections summary>span:first-child{display:flex;align-items:center;gap:18px;font-size:20px;font-family:Georgia,serif}.chapter-small{font-family:inherit;font-size:17px;color:#8396a7;font-weight:400}.notebook-status{margin-left:auto;font-size:12px;color:var(--muted)}.notebook-body{padding:0 0 28px 36px;max-width:840px}.notebook-body>p{font-size:14px;color:var(--muted)}.notebook-footer{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:22px}.course-finished{padding:18px 22px;border-left:3px solid var(--green);background:var(--green-light);margin-bottom:24px}.course-finished p{margin:6px 0 0;font-size:14px}.material-list{border-top:1px solid var(--line)}.material-row{display:flex;gap:26px;padding:28px 0 30px;border-bottom:1px solid var(--line)}.document-number{background:#e2eaf3;color:#4c6987;display:flex;width:60px;height:78px;align-items:center;justify-content:center;font-family:Georgia,serif;font-size:22px;flex-shrink:0;border-radius:3px 15px 3px 3px}.material-row h2{font-size:22px;margin:0 0 10px}.material-row p{color:var(--muted);font-size:15px;margin-bottom:16px}.material-row .actions{margin:0}.film-panel{display:flex;gap:28px;align-items:center;justify-content:space-between;background:#e4edf6;margin:36px 0;padding:28px;border-radius:8px}.film-panel h2{font-family:Georgia,serif;font-size:29px;font-weight:400;margin:8px 0 12px}.film-panel p{font-size:14px;max-width:590px;margin:0;color:var(--muted)}.film-panel .button{flex-shrink:0}.about-module{max-width:800px}.about-module p{color:var(--muted);font-size:15px}.search-field{max-width:620px;margin:30px 0}.search-field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}.search-field input{background:#fff;min-height:48px}.glossary{border-top:1px solid var(--line);margin-top:30px}.glossary>div{display:grid;grid-template-columns:minmax(170px,28%) 1fr;gap:30px;padding:22px 0;border-bottom:1px solid var(--line)}.glossary dt{font-weight:600;font-size:16px;color:var(--navy)}.glossary dd{margin:0;font-size:16px;color:#3e576c}.glossary small{display:block;margin-top:10px}.empty-state{padding:32px;background:#eaf0f6;border-radius:8px;font-size:15px;color:var(--muted)}
dialog{border:1px solid var(--line);border-radius:12px;padding:0;width:min(960px,calc(100% - 40px));max-height:90dvh;color:var(--ink);background:#fff;box-shadow:var(--shadow)}dialog::backdrop{background:#0c223b9c;backdrop-filter:blur(3px)}.dialog-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 28px;background:#fff;border-bottom:1px solid var(--line);z-index:1}.dialog-head h2{font-size:20px;margin:0}.dialog-head .icon-button{flex-shrink:0}#source-content{padding:0 28px 32px;overflow:auto;max-height:calc(90dvh - 92px)}.source-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0;font-size:12px;border-bottom:1px solid var(--line);margin-bottom:22px;color:var(--muted)}.source-document{font-size:16px;line-height:1.75;overflow-wrap:anywhere}.source-document>p{margin-bottom:15px}.table-scroll{max-width:100%;overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:6px}table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.6;min-width:470px}th,td{text-align:left;padding:12px 14px;vertical-align:top;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:100px}th{background:#eaf0f6;color:var(--navy);font-weight:600}tr:last-child td{border-bottom:0}td:last-child,th:last-child{border-right:0}#reset-dialog{max-width:520px;padding:28px}#reset-dialog h2{margin-top:0}#reset-dialog p{font-size:15px;color:var(--muted)}
@media(min-width:801px){.course-nav:not([open])>.nav-inner{display:block}}
@media(max-width:1150px){#app{grid-template-columns:230px minmax(0,1fr)}.sidebar{padding-left:12px;padding-right:12px}.brand{font-size:20px;padding-left:8px;padding-right:8px;gap:10px}main{padding-left:30px;padding-right:30px}.topbar{padding:0 30px}.reading-grid,.practice-layout,.plan-layout{grid-template-columns:minmax(0,1fr)}.reading-aside{position:static;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:0 22px;margin-top:12px}.reading-aside .aside-label,.reading-aside h3,.reading-aside>p{grid-column:1/-1}.reading-aside>p{margin-bottom:10px}.duration{grid-column:1/-1;display:flex;gap:16px;align-items:baseline}.duration b{white-space:nowrap}.duration span{max-width:500px}.practice-intro{display:block}.small-note{display:block;margin-top:8px}.page-footer{margin:0 30px}.film-panel{display:block}.film-panel .button{margin-top:22px}.notebook-bar{gap:24px;padding:24px}.notebook-bar .button{gap:10px}.topbar{font-size:12px}}
@media(max-width:800px){#app{display:block}.sidebar{position:relative;height:auto;padding:18px 20px 0;overflow:visible}.brand{padding:0 0 18px;font-size:21px}.brand small{font-size:12px}.brand-mark{width:32px;height:36px}.sidebar-bottom{display:none}.course-nav>summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;border-top:1px solid #365168;padding:13px 0;font-size:14px;color:#ecf2f7}.course-nav>summary::-webkit-details-marker{display:none}.course-nav>summary>span:last-child{color:var(--gold);font-size:13px;display:flex;gap:16px}.nav-inner{padding:16px 0 10px}.course-label,.sidebar-title,.sidebar-film{display:none}.progress-label{margin:0 8px 8px}progress{margin:0 8px 20px;width:calc(100% - 16px)}.stages{grid-template-columns:1fr 1fr;gap:6px}.stage-link{padding:10px 8px;font-size:14px;gap:10px}.stage-link small{font-size:12px}.extra-nav{margin:18px 8px 0}.extra-nav a{font-size:14px;padding:11px 0}.local-note{font-size:12px;padding:14px 8px}.topbar{height:52px;padding:0 22px;font-size:12px}.topbar .prototype{display:none}.divider{padding:0 8px}main{padding:28px 22px 42px;min-height:70vh}.section-kicker{font-size:12px;letter-spacing:1.1px}.section-kicker>span{font-size:12px}h1{font-size:38px}h2{font-size:22px}.subtitle{font-size:16px;margin-top:8px}.stage-stamp{width:62px;height:62px;font-size:13px}.title-row{gap:14px}.tabs{margin:24px 0;gap:28px}.tabs a{font-size:14px;padding-bottom:12px}.author-goal{padding:18px 20px}.author-goal p{font-size:16px}.eyebrow{font-size:12px;letter-spacing:.8px}.definition p{font-size:17px}.lesson>p{font-size:16px}.reading-aside h3{font-size:18px}.reading-aside p{font-size:14px}.source-link{font-size:14px}.reading-aside{grid-template-columns:1fr}.duration{display:block}.duration b{display:block;margin-bottom:5px}.duration span{display:block;font-size:13px}.quiz{padding:22px 20px}.quiz h2{font-size:21px}.quiz>p{font-size:16px}.quiz-actions .source-caption{max-width:none;font-size:12px}.choice{font-size:16px;padding:14px}.quiz-actions{gap:12px}.feedback{font-size:15px;padding:16px}.button{font-size:14px}.match-key p{font-size:15px}.match-selects{grid-template-columns:1fr}.match-selects label{font-size:14px}.match-selects select{font-size:16px}.order-list li{gap:8px;padding:10px}.order-list strong{font-size:12px;letter-spacing:0}.order-index{width:15px;font-size:12px}.order-controls .icon-button{width:34px;height:38px}.note-field>p{font-size:14px}.plan-intro p{font-size:16px}.page-footer{margin:0 22px;display:block;font-size:12px;padding:18px 0}.page-footer span{display:block}.notebook-bar{flex-wrap:wrap;gap:20px 38px;padding:24px}.notebook-bar .button{width:100%;margin-left:0}.notebook-bar span{font-size:13px}.notebook-body{padding-left:0}.notebook-sections summary{gap:12px}.notebook-sections summary>span:first-child{font-size:21px;gap:12px}.notebook-status{display:none}.notebook-footer{align-items:baseline;gap:20px}.material-row{gap:17px}.document-number{width:42px;height:57px;font-size:18px}.material-row h2{font-size:21px}.material-row p{font-size:15px}.material-row .actions{gap:18px}.film-panel{padding:24px}.film-panel p{font-size:15px}.glossary>div{grid-template-columns:1fr;gap:7px;padding:21px 0}.glossary dt{font-size:17px}.glossary dd{font-size:16px}.page-subtitle{margin-bottom:26px}.dialog-head{padding:17px 18px}.dialog-head h2{font-size:17px;line-height:1.4}dialog{width:calc(100% - 20px);max-height:94dvh;border-radius:9px}#source-content{padding:0 18px 24px;max-height:calc(94dvh - 95px)}.source-toolbar{display:block;font-size:12px}.source-toolbar>span{display:block;margin-bottom:8px}.source-document{font-size:16px}.source-document table{font-size:14px}.table-scroll{overscroll-behavior-x:contain}.local-explainer{font-size:14px}.about-module p{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.sidebar,.topbar,.tabs,.reading-aside,.page-footer,.button,.text-button,.notebook-bar,.notebook-footer,.local-explainer,.skip{display:none!important}#app{display:block}main{max-width:none;padding:0;background:#fff}body{background:#fff}.notebook-sections details>.notebook-body{display:block}.notebook-body{padding-left:0}textarea{height:auto;min-height:100px}.note-field{break-inside:avoid}.notebook-sections summary:after{display:none}}
.course-orientation{border:1px solid var(--line);background:#fff;padding:20px 24px;border-radius:8px;margin-bottom:28px;font-size:15px}.course-orientation strong{font-size:16px;display:block;line-height:1.5}.course-orientation p{color:var(--muted);margin:10px 0}.course-orientation a{font-size:14px}.review-panel{padding:24px;background:#fff;border:1px solid var(--line);border-radius:8px;margin:30px 0}.review-panel h2{margin-top:0;font-size:22px}.review-panel>p{font-size:15px;color:var(--muted)}.review-panel ul{padding-left:22px;font-size:15px}.review-panel li{padding:5px 0}.review-panel .plan-status{font-size:14px}.answer-required{padding:12px 15px;background:#fff5e4;color:#765221;border-radius:5px;font-size:14px;margin-top:16px}.source-issues{padding:22px 24px;margin-top:28px;border:1px solid var(--line);border-radius:8px}.source-issues h2{margin:0 0 14px;font-size:21px}.source-issues li{margin:10px 0;font-size:15px}.source-issues p{font-size:15px;color:var(--muted)}@media(max-width:800px){.review-panel,.course-orientation{padding:20px}.review-panel li,.review-panel>p{font-size:16px}.sidebar-title{overflow-wrap:anywhere}}
/* Guided learning and review */
.mode-switch{min-height:44px;border:1px solid #a9bac9;border-radius:6px;padding:8px 14px;background:#fff;color:var(--navy);font-size:14px;line-height:1.35}.topbar{height:auto;min-height:68px;padding-top:10px;padding-bottom:10px}.preparation-nav{display:block;padding:12px;color:#cbdbea;font-size:14px;text-decoration:none;margin-bottom:8px;border-radius:6px}.preparation-nav.active{background:#294b6b;color:#fff}.review-banner{display:flex;flex-wrap:wrap;gap:8px 20px;border:1px solid #c7bb93;background:#fff9e9;padding:16px 20px;border-radius:8px;margin-bottom:28px;font-size:14px;line-height:1.6}.review-banner strong{color:var(--navy)}.review-banner span{flex:1 1 260px}.preparation-reminder{background:#fff4de;border-left:3px solid #c29137;padding:16px 20px;margin-bottom:26px;font-size:15px}.original-excerpt{padding:22px;background:#fff;border:1px solid #bacddd;border-radius:8px;margin:24px 0}.original-excerpt #author-fragment{margin:16px 0;font:17px/1.7 Georgia,serif;max-height:420px;overflow:auto}.original-excerpt .text-link{display:inline-block;margin-top:16px}.original-excerpt table{font:15px/1.6 inherit}.quiz-source{margin:8px 0 18px}.quiz-source .source-link{border:0;padding:7px 0}.review-key{color:var(--muted);font-size:14px}.case-summary{border-left:3px solid #8da7bc;background:#eaf0f6;padding:20px 24px;margin:28px 0}.case-summary h2{font-size:21px;margin-top:0}.case-summary p{white-space:pre-wrap;overflow-wrap:anywhere}.supplement-grid,.preparation-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:28px 0}.supplement-grid article,.prep-card{padding:26px;border:1px solid var(--line);border-radius:8px;background:#fff;min-width:0}.supplement-grid h3,.prep-card h2{margin-top:8px;font-size:23px}.supplement-grid p,.prep-card p{font-size:16px;color:var(--muted)}.prep-card .read-check{border-top:1px solid var(--line);margin-top:20px;padding-bottom:0}.route-next{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px;background:var(--navy);color:white;border-radius:10px}.route-next .eyebrow{color:#bccfe0}.route-next h2{color:white;margin:8px 0;font-size:29px}.route-next p{margin:0;color:#ccdae7;font-size:16px;max-width:600px}.route-next .button{flex-shrink:0;background:var(--gold);color:var(--navy);border-color:var(--gold)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:36px}.section-heading h2{margin:0 0 18px}.section-heading span{font-size:14px;color:var(--muted)}.route-list{border-top:1px solid var(--line)}.route-item{display:flex;align-items:center;gap:20px;padding:22px 6px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--navy)}.route-item:hover{background:#e9f0f6;text-decoration:none}.route-number{width:42px;flex-shrink:0;font:24px Georgia,serif;color:#6f879d}.route-number.done{color:var(--green)}.route-item strong{display:block;font-size:20px;font-weight:600}.route-item small{display:block;color:var(--muted);font-size:15px;margin-top:5px}.route-status{margin-left:auto;white-space:nowrap;font-size:14px;color:var(--blue)}.course-note{margin-top:28px;font-size:15px;color:var(--muted);max-width:820px}.film-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:28px}.film-layout>section{min-width:0}.video-shell{border-radius:8px;overflow:hidden;background:#101c29;aspect-ratio:16/9}.video-shell video{width:100%;height:100%;display:block}.video-controls{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 10px}.video-status{font-size:14px;color:var(--muted);min-height:44px}.scene-focus{background:#e5edf5;border-left:3px solid #819bb1;padding:20px;margin:18px 0;font-size:16px}.scene-focus p{margin:8px 0 0}.scene-focus p:last-child{font-size:14px;color:var(--muted)}.scene-list h2{font-size:22px;margin:0 0 14px}.scene-link{display:flex;gap:14px;align-items:center;border-bottom:1px solid var(--line);padding:14px 10px;color:var(--navy);text-decoration:none;border-radius:4px}.scene-link.active,.scene-link:hover{background:#e0eaf5;text-decoration:none}.scene-link>span:first-child{color:#65829b;font:20px Georgia,serif}.scene-link strong{display:block;font-size:15px;font-weight:600}.scene-link small{display:block;font-size:14px;color:var(--muted);margin-top:3px}.scene-list>p{font-size:14px;color:var(--muted);margin-top:22px}.teaching-case{padding:28px;background:#fff;border:1px solid #93aec5;border-radius:8px;margin:32px 0}.teaching-case>h2{font-size:25px;margin:14px 0}.case-materials{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px}.case-materials .source-link{width:auto;flex:1;min-width:180px}.case-feedback{margin-top:24px;padding:22px;background:#edf3eb;border-left:3px solid #648566;border-radius:5px;font-size:16px}.case-feedback h3{margin:4px 0 12px;font-size:19px}.case-feedback ul{padding-left:23px}.case-feedback li{margin-bottom:10px}.case-feedback .source-caption{font-size:14px}.review-overview,.result-toolbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:24px 0}.review-stages article{border-top:1px solid var(--line);padding:26px 0}.review-stages h2{margin:0 0 14px}.review-stages p{max-width:820px}.review-case-title{display:block;font-size:16px}.review-stages .actions a{font-size:15px;padding:8px 0}.result-stage{border-top:1px solid #a5bbcc;margin:36px 0;padding-top:28px}.result-stage>h2{margin:12px 0}.result-goal{background:#e8eff6;padding:20px;color:#36536c}.result-field{margin:26px 0}.result-field h3{font-size:17px;margin-bottom:8px}.result-field p{font-size:17px;overflow-wrap:anywhere;line-height:1.75}.read-check,.source-caption,.small-note,.save-status,.lesson .editorial-note{font-size:14px}.note-field>p{font-size:15px}.order-controls .icon-button{min-width:44px;min-height:44px}.order-list strong{overflow-wrap:anywhere;min-width:0}.order-index{flex-shrink:0}.order-controls{flex-shrink:0}
@media(max-width:1150px){.film-layout{grid-template-columns:minmax(0,1fr)}.scene-list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.scene-list h2,.scene-list>p,.scene-list>a.text-link{grid-column:1/-1}.preparation-grid{gap:16px}.prep-card{padding:22px}.route-next{flex-wrap:wrap}.route-next .button{margin-top:4px}}
@media(max-width:800px){.topbar{flex-wrap:wrap;gap:8px;padding:12px 22px}.topbar>span{font-size:13px}.mode-switch{font-size:14px}.preparation-grid,.supplement-grid{grid-template-columns:1fr}.route-next{padding:24px}.route-next h2{font-size:26px}.route-next .button{width:100%}.route-item{gap:12px}.route-number{width:30px;font-size:22px}.route-item strong{font-size:18px;overflow-wrap:anywhere}.route-item small{font-size:14px}.route-status{font-size:0}.route-status:after{content:'→';font-size:20px}.original-excerpt{padding:18px}.teaching-case{padding:20px}.teaching-case>h2{font-size:22px}.case-feedback{padding:18px}.case-materials .button{width:100%}.scene-list{grid-template-columns:1fr}.video-controls .button{width:100%}.review-banner{padding:16px}.review-banner span{flex-basis:100%}.result-toolbar .button{width:100%}.order-list li{gap:8px}.order-list strong{font-size:13px}.case-summary{padding:18px}.stages{grid-template-columns:1fr}.tabs{gap:24px}}
.status-banner{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;border-left:3px solid #a77b3b;background:#f8f4eb;padding:12px 16px;margin:0 0 24px;font-size:14px;line-height:1.55;color:#3e4850}.status-banner strong{color:var(--navy)}.status-banner span{flex:1 1 400px}.film-method-note{max-width:860px;background:#f8f4eb;border-left:3px solid #a77b3b;padding:14px 18px;margin:0 0 24px;font-size:15px;line-height:1.55;color:#3e4850}
@media print{.result-toolbar,.review-banner,.storage-warning,.preparation-reminder{display:none!important}.result-stage{margin:24px 0;padding-top:16px}.result-stage h2,.result-field h3{break-after:avoid}.result-field p{orphans:3;widows:3}.result-goal{background:none;padding:0}.result-field{margin:20px 0}.result-field p{font-size:12pt}.section-kicker{color:#333}body{color:#111}}

.video-shell iframe,.video-shell img{display:block;width:100%;height:100%;border:0;object-fit:cover}.export-links:not(:empty){padding:14px 20px;background:#e7f0e7;border-radius:6px;font-size:15px}.export-links p{margin:0}@media print{.export-links{display:none!important}}

.title-row>div:first-child{min-width:0}@media(max-width:800px){.title-row h1{font-size:clamp(26px,7.3vw,36px);overflow-wrap:anywhere}.order-list strong{font-size:14px}}

/* Navigation remains reachable on long lessons and on phones. */
.context-nav{margin:0 0 22px;display:flex;flex-wrap:wrap;gap:12px;font-size:14px}.context-nav a,.context-return{display:inline-flex;align-items:center;min-height:44px;line-height:1.45;text-decoration:none;color:var(--blue)}.context-nav a:hover,.context-return:hover{text-decoration:underline}.step-navigation{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}.mobile-tools{display:none}.teaching-case{scroll-margin-top:24px}.video-status{margin-top:18px}.context-return{font-size:15px}.tabs a{min-height:44px}.review-banner a{min-height:44px;display:inline-flex;align-items:center}
@media(max-width:800px){.mobile-tools{position:fixed;display:flex;inset:auto 0 0;z-index:10;background:#fff;border-top:1px solid var(--line);padding:6px 12px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -3px 16px #1730490a}.mobile-tools a,.mobile-tools button{flex:1;display:flex;align-items:center;justify-content:center;min-height:44px;border:0;background:transparent;color:var(--navy);font-family:inherit;font-size:14px;font-weight:500;line-height:1.4;text-decoration:none}.workspace{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.context-nav{margin-bottom:14px}.step-navigation{align-items:stretch}.step-navigation .button{width:100%}.step-navigation>.text-link{min-height:44px;display:flex;align-items:center}.context-return{font-size:14px}.scene-focus{padding:16px}.course-nav{scroll-margin-top:12px}}
@media print{.context-nav,.step-navigation,.mobile-tools{display:none!important}}

.film-switch{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.film-switch a{display:inline-flex;align-items:center;min-height:44px;padding:7px 12px;border-radius:7px;text-decoration:none;color:var(--navy);font-size:14px;line-height:1.35}.film-switch a:hover{background:#edf1f5}.film-switch a[aria-current=page]{background:var(--navy);color:#fff;font-weight:650}.topbar{height:auto;min-height:76px;padding-top:10px;padding-bottom:10px}@media(max-width:800px){.film-switch{width:100%;display:grid;grid-template-columns:1fr 1fr}.film-switch a{font-size:12px;padding:8px;justify-content:center;text-align:center}.topbar{align-items:center}.mode-switch{margin-left:auto}}@media print{.film-switch{display:none}}

/* ——— Маршрутная карта педагога (Подготовка → Старт → Итоги), 29.09.2026 ——— */
.t-sidebar{margin:18px 0 6px;padding:14px 0 4px;border-top:1px solid #ffffff1f}
.t-sidebar .course-label{margin-bottom:8px}
.t-side-link{display:block;padding:8px 12px;border-radius:6px;color:#dbe6f0;text-decoration:none;font-size:14px}
.t-side-link:hover,.t-side-link.active{background:#ffffff14;color:#fff}
.t-side-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:6px 0 8px}
.t-side-steps a{display:flex;flex-direction:column;gap:2px;padding:9px 8px;border:1px solid #ffffff2b;border-radius:8px;color:#fff;text-decoration:none;min-width:0}
.t-side-steps a b{font-size:13px;font-weight:650;overflow-wrap:anywhere}
.t-side-steps a small{font-size:11px;color:#bccfe0;line-height:1.3}
.t-side-steps a.active,.t-side-steps a:hover{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.t-side-steps a.active small,.t-side-steps a:hover small{color:var(--navy)}
.t-start{margin:28px 0;padding:24px 26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;display:grid;gap:16px}
.t-start h2{margin:4px 0 6px;font-size:22px}
.t-start p{margin:0;color:var(--muted)}
.t-segments{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:22px 0}
.t-start .t-segments{margin:0}
.t-segments a{display:flex;align-items:center;gap:12px;min-height:56px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--navy);font-weight:650;text-decoration:none;font-size:16px}
.t-segments a span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--blue-light);color:var(--blue);font-size:12px;flex-shrink:0}
.t-segments a:hover{border-color:var(--navy)}
.t-segments a.active{background:var(--navy);border-color:var(--navy);color:#fff}
.t-segments a.active span{background:var(--gold);color:var(--navy)}
.t-map{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:0}
.t-map-block{display:grid;grid-template-columns:48px minmax(0,1fr);gap:18px;position:relative;padding-bottom:26px}
.t-map-block:not(:last-child):before{content:"";position:absolute;left:23px;top:50px;bottom:0;width:2px;background:var(--line)}
.t-map-num{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--gold);font-weight:700}
.t-map-body{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px 24px;min-width:0}
.t-map-body>p{color:var(--muted);margin:4px 0 14px}
.t-map-body .button{margin-top:16px}
.t-map-title{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.t-map-title h2{margin:0;font-size:24px}
.t-map-title span{font-size:13px;color:var(--muted);white-space:nowrap}
.t-map-group{margin-top:14px}
.t-map-group-head{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline;padding:6px 0;border-bottom:1px solid var(--line)}
.t-map-group-head b{font-size:13px;letter-spacing:.6px;text-transform:uppercase;color:var(--blue)}
.t-map-group-head small{color:var(--muted);font-size:12px}
.t-map-stage{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.t-map-stage:hover strong{text-decoration:underline}
.t-map-stage span:last-child{display:flex;flex-direction:column;min-width:0}
.t-map-stage strong{font-size:15px;font-weight:600}
.t-map-stage small{font-size:12px;color:var(--muted)}
.t-dot{display:inline-grid;place-items:center;flex-shrink:0;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);font-size:12px;color:#fff;background:#fff}
.t-dot.done{background:var(--green);border-color:var(--green)}
.t-dot.wait{border-style:dashed;color:var(--muted);background:transparent}
.t-badge{display:inline-block;margin-left:auto;padding:3px 9px;border-radius:999px;background:#fbf1e2;color:#8a5a14;font-size:12px;font-weight:600;white-space:nowrap}
.t-prep-progress{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;padding:18px 22px;border-radius:var(--radius);background:var(--navy);color:#fff;margin-bottom:22px}
.t-prep-progress b{font-size:26px;color:var(--gold)}
.t-prep-progress .button{margin:0 0 0 auto}
.t-prep-step{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px 24px;margin:0 0 16px;scroll-margin-top:20px}
.t-prep-step.done{border-color:#b9d8c7}
.t-prep-step.pending{background:#fcfaf6;border-style:dashed}
.t-prep-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.t-prep-head h2{margin:0;font-size:21px}
.t-prep-step .definition{margin:14px 0}
.t-prep-step .source-link{margin-top:8px}
.t-prep-step .quiz{margin:18px 0 0}
.t-pending-note{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-left:3px solid var(--gold);background:#fbf5ea;margin:8px 0 14px;font-size:14px}
.t-pending-note span{color:var(--muted)}
.t-score{font-size:15px}
.t-list{padding-left:20px}
.t-list li{margin:4px 0}
.t-as-student,.t-for-teacher{margin:22px 0;padding:22px 24px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.t-as-student{border-color:#c9d8f3;background:#f7f9fe}
.t-as-student h2,.t-for-teacher h2{margin:6px 0 6px;font-size:21px}
.t-block-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.t-count{font-size:13px;font-weight:650;color:var(--blue);background:#fff;border:1px solid #c9d8f3;border-radius:999px;padding:2px 10px;white-space:nowrap}
.t-student-list{list-style:none;padding:0;margin:14px 0 0}
.t-student-list li{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid #dfe7f4}
.t-student-list label{display:flex;align-items:flex-start;gap:10px;flex:1;min-width:0;cursor:pointer;font-size:14px}
.t-student-list input{margin-top:4px;flex-shrink:0}
.t-student-list b{color:var(--muted);font-weight:600;margin-right:4px;white-space:nowrap}
.t-student-list label span{font-size:13px;letter-spacing:.2px}
.t-student-list .source-link{width:auto;margin:0;flex-shrink:0;padding:6px 10px;font-size:13px}
.t-note{border-top:1px solid var(--line)}
.t-note summary{cursor:pointer;padding:12px 0;font-weight:650;color:var(--navy)}
.t-note>div{padding:0 0 14px;font-size:15px}
.t-note .table-scroll{margin:8px 0}
.t-effect{display:grid;gap:10px;margin:6px 0}
.t-effect div{padding:10px 12px;border-radius:8px;background:var(--bg)}
.t-effect dt{font-size:12px;font-weight:650;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.t-effect dd{margin:2px 0 0}
.t-chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.t-chips a{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--navy);text-decoration:none;font-size:14px}
.t-chips a.active{background:var(--navy);border-color:var(--navy);color:#fff}
.t-print-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin:18px 0}
.t-print-bar .button{margin:0}
.t-part-title{margin:30px 0 12px}
.t-sheet{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px 28px;margin:0 0 16px;overflow-wrap:anywhere}
.t-sheet p:first-child{font-weight:700;font-size:17px}
.t-outcome{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin:0 0 10px}
.t-outcome>summary{display:flex;justify-content:space-between;gap:10px;padding:16px 20px;cursor:pointer;font-weight:600}
.t-outcome .notebook-body{padding:0 20px 10px}
.t-outcome-general{margin:18px 0}
.t-print-value{display:none}
.t-guide{position:fixed;right:22px;bottom:22px;z-index:20;display:flex;gap:12px;align-items:flex-start;max-width:340px;padding:14px 16px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.t-guide-face svg,.t-guide-min svg{width:44px;height:44px;display:block}
.t-guide-body strong{font-size:14px;color:var(--navy)}
.t-guide-body p{margin:2px 0 8px;font-size:14px;line-height:1.45}
.t-guide-actions{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px}
.t-guide-actions a{color:var(--blue);font-weight:600}
.t-guide-actions button{border:0;background:none;padding:0;color:var(--muted);font:inherit;cursor:pointer;text-decoration:underline}
.t-guide-min{position:fixed;right:22px;bottom:22px;z-index:20;border:0;padding:0;background:none;border-radius:50%;box-shadow:var(--shadow);cursor:pointer}
@media(max-width:800px){
  .t-segments{gap:6px}
  .t-segments a{flex-direction:column;gap:4px;min-height:64px;padding:8px 4px;font-size:13px;text-align:center}
  .t-segments a span{width:24px;height:24px;font-size:11px}
  .t-guide-body p{font-size:13px;margin-bottom:4px}
  .t-start{padding:18px}
  .t-map-block{grid-template-columns:34px minmax(0,1fr);gap:10px}
  .t-map-num{width:34px;height:34px;font-size:13px}
  .t-map-block:not(:last-child):before{left:16px;top:36px}
  .t-map-body,.t-prep-step,.t-as-student,.t-for-teacher{padding:16px}
  .t-map-body .button,.t-prep-progress .button{width:100%;margin-left:0}
  .t-sheet{padding:16px}
  .t-student-list li{flex-wrap:wrap}
  .t-student-list .source-link{margin-left:26px}
  .t-guide{left:12px;right:12px;bottom:calc(64px + env(safe-area-inset-bottom));max-width:none;padding:10px 12px}
  .t-guide-face svg{width:36px;height:36px}
  .t-guide-min{right:12px;bottom:calc(66px + env(safe-area-inset-bottom))}
  .t-guide-min svg{width:40px;height:40px}
}
@media print{
  .t-noprint,.t-guide,.t-guide-min,.t-segments,.t-chips{display:none!important}
  .t-sheet{border:0;padding:0;margin:0;break-after:page;page-break-after:always}
  .t-sheet{font-size:10.5pt;line-height:1.4}.t-sheet p{margin:0 0 6pt}.t-sheet table{font-size:9.5pt}.t-sheet .table-scroll{overflow:visible}
  .t-student-page .page-subtitle,.t-student-page .local-explainer{display:none}
  .t-part-title{break-before:page}
  .t-part:first-of-type .t-part-title{break-before:auto}
  .t-outcome{border:0}
  .t-outcome>summary{padding:10px 0}
  .t-outcome .notebook-body{display:block;padding:0}
  .t-outcome textarea{display:none}
  .t-print-value{display:block;padding:4px 0 10px;white-space:pre-wrap}
}

.t-sheet-meta{font-size:12px;font-weight:650;letter-spacing:.6px;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.t-contents{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:20px 24px;margin:0 0 18px}
.t-contents h2{margin:0 0 8px;font-size:20px}
.t-contents ol{margin:0;padding-left:22px;display:grid;gap:8px}
.t-contents li b{display:block}
.t-contents li span{font-size:14px;color:var(--muted)}
.t-class-link{margin-top:14px}
@media print{.t-sheet-meta{color:#555;font-size:8pt}.t-contents{border:0;padding:0;break-after:page}}

.t-guide-body small{font-size:12px;color:var(--muted)}

.t-enc{max-width:760px}
.t-enc-h2{margin:34px 0 8px;font-size:24px;padding-top:14px;border-top:1px solid var(--line)}
.t-enc-sec{margin:14px 0}
.t-enc-sec h3{font-size:16px;margin:0 0 4px;color:var(--navy)}
.t-enc p{margin:0 0 8px}
.t-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:800px){.t-two{grid-template-columns:1fr}}
.t-prep-step .source-caption{display:block;margin:4px 0 18px}

.t-soc-attitude{margin:6px 0 18px;padding:20px 22px;border-radius:var(--radius);background:var(--navy);color:#fff}
.t-soc-attitude .eyebrow{color:var(--gold)}
.t-soc-attitude p{margin:6px 0 0;font:500 22px/1.35 Georgia,"Times New Roman",serif}
.t-soc-intro{color:var(--muted);margin:0 0 14px}
.t-chips button{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--navy);font:inherit;font-size:14px;cursor:pointer}
.t-chips button.active{background:var(--navy);border-color:var(--navy);color:#fff}
.t-soc-steps{list-style:none;padding:0;margin:0 0 16px;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.t-soc-steps button{width:100%;height:100%;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;font-size:12px;line-height:1.3;text-align:left;cursor:pointer}
.t-soc-steps button b{font-size:15px;color:var(--blue)}
.t-soc-steps button.active{background:var(--navy);border-color:var(--navy);color:#fff}
.t-soc-steps button.active b{color:var(--gold)}
.t-soc-answer{margin-top:16px;padding:16px 18px;border-left:3px solid var(--green);background:var(--green-light);border-radius:0 8px 8px 0}
.t-soc-chain .t-list li{margin:8px 0}
.t-soc-step .button{margin-top:8px}
.t-soc-checks{list-style:none;padding:0}
.t-soc-checks li{padding:8px 0;border-top:1px solid var(--line)}
.t-soc-checks label{display:flex;gap:10px;align-items:flex-start;cursor:pointer}
.t-soc-checks input{margin-top:5px;flex-shrink:0}
.t-soc-list{display:grid}
.step-navigation button.button{cursor:pointer}
@media(max-width:800px){.t-soc-steps{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}.t-soc-steps button span{display:none}.t-soc-steps button{align-items:center}.t-soc-attitude p{font-size:19px}}
.t-side-steps{grid-template-columns:1fr;gap:4px}
.t-side-steps a{flex-direction:row;justify-content:space-between;align-items:baseline;padding:8px 12px}
.t-side-steps a b{overflow-wrap:normal}

.t-foundation{margin:0 0 18px;padding:20px 24px;border-radius:var(--radius);border:1px solid #c9d8f3;background:var(--blue-light);scroll-margin-top:20px}
.t-foundation h2{margin:4px 0 6px;font-size:21px}
.t-foundation .eyebrow{color:var(--blue)}
.t-map-foundation{background:var(--blue-light);border-radius:6px;padding-left:8px}
@media(max-width:800px){.t-foundation{padding:16px}}

.t-soc-libbar{display:grid;gap:6px;margin:6px 0 10px}
.t-soc-libbar label{font-weight:650;font-size:14px}
.t-soc-libbar input{min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.t-soc-libbar span{font-size:13px;color:var(--muted)}
.t-happy-tabs{grid-template-columns:repeat(2,minmax(0,1fr));margin:14px 0 20px}

.t-how{margin:0 0 12px;padding:10px 12px;border-radius:8px;background:var(--bg);font-size:14px}
.t-prep-step.done .t-how{background:var(--green-light)}
.t-step-nav{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.t-step-nav .button{margin:0}
@media(max-width:800px){.t-step-nav .button{width:100%}}