:root{--wine:#7C2037;--beige:#CCC0B2;--taupe:#7D6960;--paper:#F2F1EF;--ink:#2B2A29;--muted:#685d56;--line:#ddd5cc}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 "Segoe UI",Arial,sans-serif}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a{color:var(--wine);text-underline-offset:4px}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}:focus-visible{outline:3px solid #a8763c;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,3.5vw,52px);line-height:1.12;font-weight:600;letter-spacing:-1.7px;max-width:850px;margin-bottom:22px}h2{font-size:27px;line-height:1.25;font-weight:600;letter-spacing:-.5px}h3{font-size:19px;font-weight:600;line-height:1.4}small,.muted{color:var(--muted)}.skip{position:fixed;top:-100px;z-index:20;background:white;padding:15px}.skip:focus{top:0}.sidebar{position:fixed;inset:0 auto 0 0;width:238px;background:#eae5de;padding:36px 25px;display:flex;flex-direction:column;border-right:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink);font-size:18px;font-weight:650;line-height:1.15}.brand img{width:28px;height:38px;object-fit:contain}.side-label{font-size:10px;letter-spacing:2px;color:var(--muted);margin:54px 0 18px}nav a{display:flex;align-items:center;gap:15px;padding:13px 9px;margin:4px -9px;text-decoration:none;color:var(--muted);border-radius:6px}nav a span{font-size:11px}nav a[aria-current=page]{background:var(--wine);color:white}nav a:hover{background:#ded5cd}nav a[aria-current=page]:hover{background:#621a2d}.side-bottom{margin-top:auto;padding-top:30px;font-size:13px}progress{width:100%;height:5px;border:0;accent-color:var(--wine);display:block;margin:13px 0}progress::-webkit-progress-bar{background:#d8cfc5}progress::-webkit-progress-value{background:var(--wine)}.shell{margin-left:238px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px 48px;border-bottom:1px solid var(--line);font-size:13px}.search{display:flex;align-items:center;gap:12px}.search span{color:var(--muted)}input,select,textarea{border:1px solid #a99b8f;border-radius:5px;padding:12px;background:white;color:var(--ink);max-width:100%}.search input{width:260px;font-size:13px;padding:9px 12px}main{max-width:1260px;margin:0 auto;padding:48px;min-height:75vh}.eyebrow{color:var(--wine);font-size:11px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:20px}.lead{font-size:18px;color:var(--muted);max-width:670px;line-height:1.65}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center;margin:5px 0 45px}.hero h1{max-width:550px}.hero figure{margin:0}.hero img{width:100%;height:315px;object-fit:cover;border-radius:3px}.caption{font-size:11px;color:var(--muted);margin-top:7px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 22px;background:var(--wine);color:white;border:1px solid var(--wine);border-radius:5px;text-decoration:none;font-size:14px;font-weight:600;gap:12px}.button.secondary{background:transparent;color:var(--wine);border-color:var(--beige)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.program-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px}.program-head h2{margin:0}.days{display:flex;gap:6px;flex-wrap:wrap;margin:24px 0}.days button{padding:9px 17px;background:transparent;border:1px solid var(--line);border-radius:4px;color:var(--muted);min-height:44px}.days button[aria-pressed=true]{background:#e7ddd4;color:var(--wine);border-color:#c9b6a8}.day-title{font-size:18px;color:var(--muted);margin:30px 0 8px}.lesson-row{display:grid;grid-template-columns:46px 1fr auto;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}.lesson-row:hover .row-title{color:var(--wine)}.num{font-size:16px;color:var(--wine);align-self:start;padding-top:3px}.row-title{font-size:19px;font-weight:600}.lesson-row p{margin:4px 0 0;font-size:14px;color:var(--muted)}.row-end{font-size:13px;color:var(--muted);white-space:nowrap}.lesson-top{margin-bottom:30px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:50px}.lesson-body{max-width:740px}.situation{border-left:3px solid var(--wine);padding:18px 24px;background:#eae3db;margin:26px 0 32px}.situation p{margin:0;font-size:21px;line-height:1.5}.situation small{display:block;margin-bottom:8px}.point{padding:8px 0 14px;border-bottom:1px solid var(--line);margin-bottom:19px}.point h3{margin:8px 0}.point p{margin-bottom:8px}.lesson-aside{font-size:14px}.lesson-aside img{width:100%;max-height:260px;object-fit:contain;background:white}.aside-block{border-top:1px solid var(--line);margin-top:25px;padding-top:20px}.quote{font-family:Georgia,serif;font-size:24px;line-height:1.5;margin:23px 0;color:var(--wine)}details{border-bottom:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:600;min-height:36px}details p{margin:12px 0}.exercise{margin:38px 0}.quiz{border-top:2px solid var(--wine);padding-top:26px;margin-top:35px}.option{display:block;text-align:left;width:100%;padding:15px 18px;margin:8px 0;border:1px solid var(--line);background:white;border-radius:4px;min-height:48px}.option:hover{border-color:var(--wine)}.option.selected{border-color:var(--wine);background:#f0e2e5}.feedback{padding:16px;background:#eae3db;margin-top:15px}.feedback:empty{display:none}.lesson-nav{display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--line);margin-top:40px;padding-top:24px}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px}.sheet{background:white;padding:28px;margin-top:25px;border-top:3px solid var(--wine)}.sheet h3{margin-bottom:12px}.check{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.check input{accent-color:var(--wine);width:21px;height:21px;flex-shrink:0}.field{display:block;margin:18px 0}.field span{display:block;font-size:14px;margin-bottom:7px}.field input,.field select,.field textarea{width:100%}textarea{width:100%;min-height:210px;resize:vertical}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#eee7df;padding:20px;font:15px/1.7 "Segoe UI",sans-serif}.material-row{border-bottom:1px solid var(--line);padding:20px 0}.material-row h3{margin-bottom:8px}.material-row a{margin-right:20px}.terms{display:grid;grid-template-columns:130px 1fr;gap:15px;border-top:1px solid var(--line);padding:16px 0}.terms dt{font-weight:600}.terms dd{margin:0}footer{padding:28px 48px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}#notice{position:fixed;bottom:25px;right:25px;background:var(--ink);color:white;padding:0;border-radius:5px;z-index:20}#notice:not(:empty){padding:13px 20px}.no-results{padding:30px 0}.search-results .lesson-row{grid-template-columns:1fr auto}.source-list li{margin:14px 0;overflow-wrap:anywhere}.presenter{background:#fff;padding:26px;border-left:3px solid var(--beige);margin-top:30px}.presenter p:last-child{margin-bottom:0}
@media(min-width:1500px){main{padding-top:65px}.hero img{height:360px}}@media(max-width:1100px){.sidebar{width:200px;padding:30px 20px}.shell{margin-left:200px}main{padding:32px}.hero{gap:25px}.hero img{height:270px}.lesson-layout{grid-template-columns:minmax(0,1fr) 215px;gap:28px}header{padding:20px 32px}}
@media(max-width:760px){body{padding-bottom:76px}.sidebar{position:static;width:auto;padding:18px 20px;background:var(--paper);border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:15px}.brand img{width:23px;height:30px}.side-label,.side-bottom{display:none}.sidebar nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:#faf8f5;border-top:1px solid var(--line);padding:5px 8px calc(5px + env(safe-area-inset-bottom));z-index:10}.sidebar nav a{display:flex;flex-direction:column;gap:1px;font-size:11px;margin:0;padding:6px 1px;min-height:51px}.sidebar nav a span{font-size:10px}.sidebar nav a[aria-current=page]{background:#efe4e6;color:var(--wine)}.shell{margin-left:0}header{padding:13px 20px;display:block}#breadcrumb{display:none}.search span{font-size:12px}.search input{width:100%;min-width:0;flex:1}main{padding:29px 20px}.hero{grid-template-columns:1fr;margin:0 0 32px;gap:20px}.hero h1{font-size:38px;letter-spacing:-1.1px;max-width:440px}.hero img{height:205px;object-position:center 40%}.eyebrow{margin-bottom:14px;font-size:10px}.lead{font-size:16px}h1{font-size:33px;letter-spacing:-.8px}h2{font-size:25px}.program-head{align-items:flex-start;gap:10px}.program-head small{font-size:11px;max-width:86px;text-align:right}.lesson-row{grid-template-columns:29px 1fr 25px;gap:9px;padding:19px 0}.row-title{font-size:17px}.lesson-row p{font-size:13px}.row-end .duration{display:none}.lesson-layout{display:block}.lesson-aside{margin-top:35px}.lesson-aside img{max-height:280px}.lesson-aside .caption{max-width:500px}.situation{padding:16px 18px}.situation p{font-size:19px}.quote{font-size:22px}.lesson-nav{flex-wrap:wrap}.help-grid{grid-template-columns:1fr;gap:0}.sheet{padding:20px}.terms{grid-template-columns:95px 1fr;font-size:14px}.actions .button{flex-grow:1}.button{padding:11px 17px}footer{padding:24px 20px}#notice{bottom:85px;left:20px;right:20px}.material-row a{display:inline-block;margin-bottom:8px}}
@media print{.sidebar,header,footer,.actions,.lesson-nav,.quiz{display:none}.shell{margin:0}main{padding:0}.lesson-layout{display:block}body{background:white}.lesson-aside{break-before:page}}
main:focus-visible{outline:none}

.topic-index{display:flex;flex-direction:column;gap:9px;margin:20px 0 38px}.expanded-section{scroll-margin-top:20px}.expanded-section p{margin:12px 0}.lesson-aside a{overflow-wrap:anywhere}
/* Дневная и ночная темы кабинета. Учебные страницы документов сохраняют светлый лист. */
.theme-toggle{margin-left:auto;border:1px solid var(--line);border-radius:20px;padding:8px 13px;background:transparent;color:var(--ink);font-size:12px;white-space:nowrap}.theme-toggle:hover{background:var(--line)}
:root[data-theme=dark]{--paper:#171719;--ink:#f1eee9;--muted:#aaa5a0;--line:#3a3838;--beige:#554c47}.theme-toggle{transition:background .2s,color .2s}.theme-toggle{background:color-mix(in srgb,var(--paper) 78%,transparent)}
:root[data-theme=dark] .sidebar{background:#222124;border-color:#3a3838}:root[data-theme=dark] header{background:#1c1b1e}:root[data-theme=dark] input,:root[data-theme=dark] select,:root[data-theme=dark] textarea,:root[data-theme=dark] .option,:root[data-theme=dark] .sheet,:root[data-theme=dark] .lesson-aside img{background:#242326;color:var(--ink);border-color:#4a4544}:root[data-theme=dark] .situation,:root[data-theme=dark] .feedback{background:#2b2828}:root[data-theme=dark] nav a:hover{background:#353135}:root[data-theme=dark] .days button[aria-pressed=true]{background:#3b2b31;color:#f2dce3}:root[data-theme=dark] .document-lab{color:#202126}
:root[data-theme=dark] .lesson-extra{color:#2b2a29}:root[data-theme=dark] .lesson-extra h1,:root[data-theme=dark] .lesson-extra h2,:root[data-theme=dark] .lesson-extra h3,:root[data-theme=dark] .lesson-extra p{color:#2b2a29}:root[data-theme=dark] .lesson-extra small{color:#685d56}:root[data-theme=dark] .lesson-extra a{color:#7c2037}
@media(prefers-color-scheme:dark){:root[data-theme=system]{--paper:#171719;--ink:#f1eee9;--muted:#aaa5a0;--line:#3a3838;--beige:#554c47}:root[data-theme=system] .sidebar{background:#222124}:root[data-theme=system] header{background:#1c1b1e}}
:root[data-theme=dark] .lesson-extra,:root[data-theme=dark] .lesson-extra h2,:root[data-theme=dark] .lesson-extra p{background:#242326;color:var(--ink)}:root[data-theme=dark] .lesson-extra{border-color:#3d3939}:root[data-theme=dark] .lesson-extra a{color:#e7aabd}
:root[data-theme=dark] .lesson-extra,:root[data-theme=dark] .sheet,:root[data-theme=dark] .help-grid>*,:root[data-theme=dark] .module-card,:root[data-theme=dark] .curriculum-hero,:root[data-theme=dark] .document-lab{background:#242326!important;color:#f1eee9!important;border-color:#3e3a3c!important}:root[data-theme=dark] .lesson-extra p,:root[data-theme=dark] .sheet p,:root[data-theme=dark] .module-card p,:root[data-theme=dark] .document-lab p{color:#c4bfc0!important}:root[data-theme=dark] .lesson-extra h2,:root[data-theme=dark] .sheet h2,:root[data-theme=dark] .module-card h2,:root[data-theme=dark] .document-lab h2{color:#f1eee9!important}
:root[data-theme=dark] #main .q-section,:root[data-theme=dark] #main .lesson-extra,:root[data-theme=dark] #main .note-card,:root[data-theme=dark] #main details,:root[data-theme=dark] #main .option,:root[data-theme=dark] #main .feedback,:root[data-theme=dark] #main .exercise,:root[data-theme=dark] #main .practice-card,:root[data-theme=dark] #main .module-card,:root[data-theme=dark] #main .curriculum-hero,:root[data-theme=dark] #main .help-card,:root[data-theme=dark] #main .sheet{background:#242326!important;color:#f1eee9!important;border-color:#3e3a3c!important}:root[data-theme=dark] #main .q-section *, :root[data-theme=dark] #main .lesson-extra *,:root[data-theme=dark] #main .note-card *,:root[data-theme=dark] #main .module-card *,:root[data-theme=dark] #main .curriculum-hero *,:root[data-theme=dark] #main .help-card *,:root[data-theme=dark] #main .sheet *{color:#f1eee9!important}:root[data-theme=dark] #main .q-section p,:root[data-theme=dark] #main .lesson-extra p,:root[data-theme=dark] #main .module-card p,:root[data-theme=dark] #main .curriculum-hero p,:root[data-theme=dark] #main .sheet p{color:#c4bfc0!important}:root[data-theme=dark] #main .q-section a,:root[data-theme=dark] #main .lesson-extra a,:root[data-theme=dark] #main .sheet a{color:#e7aabd!important}

:root[data-theme="dark"] .q-visual,:root[data-theme="dark"] .q-cards,:root[data-theme="dark"] .q-dialog,:root[data-theme="dark"] .q-practice,:root[data-theme="dark"] .visual-example,:root[data-theme="dark"] .case-stage{background:#242326!important;color:#f1eee9!important;border-color:#3e3a3c!important}:root[data-theme="dark"] .q-visual-row,:root[data-theme="dark"] .q-cards .q-visual-row,:root[data-theme="dark"] .q-dialog .q-visual-row,:root[data-theme="dark"] .visual-example li,:root[data-theme="dark"] .case-options button{background:#2b292d!important;color:#f1eee9!important;border-color:#514a4c!important}:root[data-theme="dark"] .q-visual *,:root[data-theme="dark"] .q-cards *,:root[data-theme="dark"] .q-dialog *,:root[data-theme="dark"] .visual-example *,:root[data-theme="dark"] .case-stage *{color:#f1eee9!important}
:root[data-theme="dark"] .visual-example,:root[data-theme="dark"] .visual-example li,:root[data-theme="dark"] .visual-example li *,:root[data-theme="dark"] .q-table,:root[data-theme="dark"] .q-table th,:root[data-theme="dark"] .q-table td,:root[data-theme="dark"] .q-cards,:root[data-theme="dark"] .q-cards *,:root[data-theme="dark"] .q-visual,:root[data-theme="dark"] .q-visual *,:root[data-theme="dark"] .q-dialog,:root[data-theme="dark"] .q-dialog *,:root[data-theme="dark"] .case-stage,:root[data-theme="dark"] .case-stage *,:root[data-theme="dark"] .lesson-applied,:root[data-theme="dark"] .lesson-applied *{background:#29272b!important;color:#f3f0ed!important;border-color:#514a4c!important}:root[data-theme="dark"] .q-table thead,:root[data-theme="dark"] .q-table thead *{background:#63243b!important;color:#fff!important}:root[data-theme="dark"] .visual-example .visual-index,:root[data-theme="dark"] .q-number{background:#8f2848!important;color:#fff!important}