/* Academia presentation layer. Teaching, publishing and original editor assets are retained. */
.academy-site,.academy-eml,.academy-admin{--academy-green:#176b45;--academy-dark:#183f2c;--academy-pale:#eef5ef;--academy-line:#dce6dd;--academy-muted:#617068;--academy-ink:#20352a;--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--ink:var(--academy-ink);--muted:var(--academy-muted);--line:var(--academy-line);--paper:#fcfdfb;--soft:#f0f5ef;--green:var(--academy-green);--accent:var(--academy-green);color:var(--academy-ink);background:#fcfdfb;font-family:var(--sans)}
.academy-site [hidden],.academy-eml [hidden],.academy-admin [hidden]{display:none!important}
.academy-site *, .academy-eml *, .academy-admin *{box-sizing:border-box}
.academy-site :focus-visible,.academy-eml :focus-visible,.academy-admin :focus-visible{outline:3px solid #b89737;outline-offset:4px}
.academy-skip{position:fixed;top:8px;left:16px;z-index:1000;transform:translateY(-180%);padding:12px 20px;background:#fff;color:#174f35;border:2px solid #176b45;border-radius:8px;font:700 14px var(--sans)}
.academy-skip:focus{transform:none}
.academy-site .wrap,.academy-eml .wrap{width:min(1280px,calc(100% - 64px));margin-inline:auto}
.academy-site h1,.academy-site h2,.academy-site h3{font-family:var(--sans);color:var(--academy-ink);font-weight:650;letter-spacing:-.04em}
.academy-site p{line-height:1.75}
.academy-site .site-head{background:rgba(255,255,255,.97);border-bottom:1px solid var(--academy-line);backdrop-filter:blur(14px)}
.academy-site .nav{height:90px;gap:30px}
.academy-site .brand{display:flex;flex-direction:row;align-items:center;gap:11px;flex-shrink:0;text-decoration:none}
.academy-site .brand>img{width:44px;height:44px;object-fit:contain}
.academy-site .academy-brand-copy{display:flex;flex-direction:column;letter-spacing:0;text-transform:none;margin:0}
.academy-site .academy-brand-copy>strong{color:var(--academy-ink);font-size:28px;font-weight:750;letter-spacing:-1.3px;line-height:1.1}
.academy-site .academy-brand-copy>span{font-size:10px;letter-spacing:.025em;text-transform:none;margin-top:7px}
.academy-site .brand .academy-brand-dot{display:inline;color:var(--academy-green);font-size:inherit;letter-spacing:inherit;margin:0}
.academy-site .nav nav{gap:24px;align-items:center;font-size:13px;font-weight:650}
.academy-site .nav nav a{padding:10px 0;white-space:nowrap}
.academy-site .nav nav a[aria-current=page]{color:var(--academy-green);box-shadow:0 2px var(--academy-green)}
.academy-site .nav nav .academy-external{color:var(--academy-muted);font-weight:500}
.academy-site .nav nav .academy-admin-link{padding:8px 14px;border:1px solid var(--academy-line);border-radius:6px;color:var(--academy-green)}
.academy-menu-button{display:none;background:#fff;color:var(--academy-green);border:1px solid var(--academy-line);border-radius:7px;padding:9px 12px;font:650 13px var(--sans);cursor:pointer}
.academy-menu-button span{margin-left:9px}
.academy-site .eyebrow{font-size:10px;line-height:1.5;letter-spacing:.15em;color:var(--academy-green)}
.academy-site .btn{align-items:center;justify-content:center;gap:22px;background:var(--academy-green);color:#fff;border-radius:6px;padding:14px 21px;min-height:46px;font:650 13px var(--sans);text-decoration:none;transition:background .15s,transform .15s}
.academy-site .btn:hover{background:#104e33;transform:translateY(-1px)}
.academy-site .academy-hero{padding:80px 0 66px;border-bottom:1px solid var(--academy-line);background:radial-gradient(ellipse at 80% 15%,#e4f0df 0,transparent 50%),linear-gradient(110deg,#f7faf4,#eff5ea)}
.academy-hero-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(310px,.8fr);gap:85px;align-items:center}
.academy-site .academy-hero h1{font-size:clamp(40px,4.1vw,62px);line-height:1.1;margin:24px 0;letter-spacing:-.055em;font-weight:650}
.academy-site .academy-hero h1 em{font-family:Georgia,"Times New Roman",serif;font-weight:400;color:var(--academy-green);letter-spacing:-.05em}
.academy-site .academy-hero-copy>p{font-size:16px;line-height:1.85;color:var(--academy-muted);max-width:610px;margin:0}
.academy-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:30px}
.academy-text-link{color:var(--academy-green);font-size:13px;font-weight:650}
.academy-instructor{display:flex;flex-direction:column;border-top:1px solid #d2dfcf;max-width:560px;margin-top:38px;padding-top:22px;gap:3px}
.academy-instructor>span{font-size:10px;color:var(--academy-muted);letter-spacing:.12em;text-transform:uppercase}
.academy-instructor>strong{font-size:14px;font-weight:650}
.academy-instructor>small{font-size:12px;color:var(--academy-muted)}
.academy-hero-index{padding:30px 30px 20px;border:1px solid #cfdcc9;background:rgba(255,255,255,.65);border-radius:12px}
.academy-index-label{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--academy-green);font-weight:700}
.academy-hero-index>a{display:grid;grid-template-columns:25px 1fr 16px;align-items:center;gap:16px;padding:27px 0;border-bottom:1px solid var(--academy-line)}
.academy-hero-index>a:hover strong{color:var(--academy-green)}
.academy-index-number{font-size:11px;color:#82917b;align-self:start;padding-top:4px}
.academy-hero-index strong{display:block;font-size:21px;font-weight:600;letter-spacing:-.035em}
.academy-hero-index small{display:block;font-size:12px;color:var(--academy-muted);margin-top:7px;line-height:1.5}
.academy-site .academy-hero-index>p{font-size:11px;line-height:1.6;color:var(--academy-muted);margin:20px 0 0}
.academy-site .section{padding:64px 0}
.academy-site .section-title{margin-bottom:25px;gap:24px}
.academy-site .section-title h2{font-size:clamp(27px,3vw,38px);line-height:1.2;margin-top:10px}
.academy-site .section-title>p{white-space:nowrap;margin-bottom:4px;font-size:12px}
.academy-catalogue{scroll-margin-top:110px}
.academy-catalogue-tabs{display:flex;gap:28px;border-bottom:1px solid var(--academy-line);font-size:13px;margin-bottom:24px}
.academy-catalogue-tabs a{padding:11px 0 14px;color:var(--academy-muted);font-weight:600;white-space:nowrap}
.academy-catalogue-tabs a[aria-current=page]{color:var(--academy-green);box-shadow:0 2px var(--academy-green)}
.academy-filter-bar{display:grid;grid-template-columns:minmax(220px,1fr) 190px 190px;gap:16px;padding:20px;background:#f1f5f0;border:1px solid var(--academy-line);border-radius:8px;margin:0 0 30px}
.academy-filter-bar label{display:flex;flex-direction:column;gap:7px;color:var(--academy-muted);font-size:10px;font-weight:700;letter-spacing:.06em}
.academy-filter-bar input,.academy-filter-bar select{width:100%;min-width:0;border:1px solid #cfdbce;background:#fff;padding:11px 12px;border-radius:5px;color:var(--academy-ink);font:13px var(--sans);height:43px}
.academy-filter-bar input::placeholder{color:#829085}
.academy-site .course-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.academy-site .course-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--academy-line);border-radius:10px;overflow:hidden;background:#fff;transition:transform .2s,border-color .2s,box-shadow .2s}
.academy-site .course-card:hover{transform:translateY(-3px);border-color:#afc5b1;box-shadow:0 14px 36px #214e2c0d}
.academy-card-cover{height:210px;position:relative;display:grid;place-items:center;background:#f0f4ec;border-bottom:1px solid var(--academy-line);overflow:hidden}
.academy-site .academy-card-cover>img{display:block;width:100%;height:100%;min-height:0;object-fit:contain;padding:15px;background:#f5f7f2}
.academy-cover-placeholder{display:none;width:100%;height:100%;flex-direction:column;justify-content:space-between;padding:32px;background:linear-gradient(125deg,#e6eee0,#f5f7ef);color:#376149}
.academy-card-cover.is-placeholder .academy-cover-placeholder{display:flex}
.academy-card-cover.is-placeholder>img{display:none}
.academy-cover-placeholder>span{font-size:9px;font-weight:650;letter-spacing:.14em}
.academy-cover-placeholder>strong{font-family:Georgia,"Times New Roman",serif;font-size:32px;letter-spacing:-.04em;font-weight:400;line-height:1.1;overflow-wrap:anywhere}
.academy-card-kind{position:absolute;right:14px;bottom:13px;padding:5px 9px;border:1px solid #d8e2d7;border-radius:4px;background:#fffffff2;font-size:10px;font-weight:650;color:var(--academy-green)}
.academy-site .course-card-body{padding:25px;display:flex;flex-direction:column;flex:1}
.academy-card-meta{display:flex;gap:7px 10px;align-items:center;flex-wrap:wrap;color:var(--academy-muted);font-size:10px;font-weight:600;line-height:1.5}
.academy-card-meta>span+span:not(.academy-archive-badge){border-left:1px solid #cfd8cc;padding-left:10px}
.academy-archive-badge{display:inline-flex;background:#f5efe2;color:#765c29;padding:4px 8px;border-radius:4px;font:600 10px/1.4 var(--sans)}
.academy-site .course-card h3{font-size:23px;line-height:1.25;letter-spacing:-.035em;margin:14px 0 12px;font-weight:650}
.academy-site .course-card h3 a:hover{color:var(--academy-green)}
.academy-site .course-card p{font-size:13px;line-height:1.8;margin:0 0 26px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.academy-card-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--academy-line);padding-top:18px;margin-top:auto;font-size:11px;color:var(--academy-muted)}
.academy-site .academy-card-bottom .arrow{font-size:12px;color:var(--academy-green);display:flex;gap:12px}
.academy-site .empty{padding:44px;border:1px dashed #c8d6c6;border-radius:8px;text-align:center}
.academy-site .empty h3{font-size:23px;margin:0 0 10px}
.academy-site .empty p{font-size:14px;color:var(--academy-muted)}
.academy-archive-note{display:flex;gap:20px;align-items:center;padding:26px 30px;background:#f2f6ee;border:1px solid var(--academy-line);border-radius:8px;margin-top:42px}
.academy-archive-note>span{font-size:32px;color:var(--academy-green)}
.academy-archive-note strong{font-size:14px;font-weight:650}
.academy-site .academy-archive-note p{font-size:12px;margin:5px 0 0;color:var(--academy-muted)}
.academy-archive-note>a{margin-left:auto;white-space:nowrap;font-size:12px;font-weight:650;color:var(--academy-green)}
.academy-site .academy-footer{padding:46px 0 20px;background:#f2f6ef;color:var(--academy-muted);border-top:1px solid var(--academy-line)}
.academy-site .academy-footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1fr;gap:60px;font-size:12px}
.academy-footer-brand{font-size:29px;font-weight:750;color:var(--academy-ink);letter-spacing:-1px}
.academy-footer-brand span{color:var(--academy-green)}
.academy-site .academy-footer p{font-size:12px;line-height:1.8;margin:15px 0 0}
.academy-footer nav{display:flex;flex-direction:column;align-items:start;gap:10px}
.academy-footer nav strong{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--academy-green);margin-bottom:4px}
.academy-footer nav a:hover{color:var(--academy-green);text-decoration:underline}
.academy-site .academy-footer-note{display:flex;justify-content:space-between;border-top:1px solid var(--academy-line);margin-top:35px;padding-top:19px;gap:20px;font-size:10px}
/* Course editions and reading pages. */
.academy-breadcrumb{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding-top:25px;padding-bottom:20px;color:var(--academy-muted);font-size:11px;line-height:1.5}
.academy-breadcrumb a{color:var(--academy-green)}
.academy-breadcrumb>span:last-child{max-width:65%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.academy-edition-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:17px;font:12px/1.5 var(--sans);border-bottom:1px solid var(--academy-line);position:relative;z-index:15}
.academy-edition-bar>div{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.academy-edition-bar strong{font-size:12px;font-weight:600}
.academy-edition-tag{font-size:9px;text-transform:uppercase;letter-spacing:.11em;color:var(--academy-green);background:#eaf3e7;padding:5px 9px;border-radius:4px;font-weight:700}
.academy-edition-picker{position:relative;flex-shrink:0}
.academy-edition-picker summary{display:flex;align-items:center;gap:24px;padding:8px 12px;border:1px solid var(--academy-line);border-radius:5px;background:#fff;cursor:pointer;color:var(--academy-green);list-style:none;font-weight:600}
.academy-edition-picker summary::-webkit-details-marker{display:none}
.academy-edition-picker ul{position:absolute;right:0;top:100%;min-width:240px;max-width:min(350px,calc(100vw - 48px));max-height:350px;overflow:auto;margin:7px 0 0;padding:7px;list-style:none;background:#fff;border:1px solid var(--academy-line);border-radius:7px;box-shadow:0 16px 35px #183d2214;z-index:40}
.academy-edition-picker a{display:flex;flex-direction:column;gap:4px;padding:10px 12px;text-decoration:none;border-radius:4px;color:var(--academy-ink)}
.academy-edition-picker a[aria-current=page],.academy-edition-picker a:hover{background:#edf4e9}
.academy-edition-picker small{font-size:10px;color:var(--academy-muted)}
.academy-edition-notice{margin-top:16px!important;padding:14px 18px;background:#faf6ed;border:1px solid #e7dcc2;border-radius:6px;color:#705c32;font:12px/1.8 var(--sans)}
.academy-site .academy-course-hero,.academy-site .academy-lecture-head{background:linear-gradient(115deg,#f7faf4,#edf4e8);border-bottom:1px solid var(--academy-line);padding:55px 0}
.academy-site .course-hero h1,.academy-site .lecture-head h1{font-size:clamp(34px,4.1vw,58px);line-height:1.12;font-weight:650;letter-spacing:-.045em;margin:18px 0;max-width:900px}
.academy-site .course-hero .split{grid-template-columns:minmax(0,1fr) minmax(260px,340px);gap:65px}
.academy-site .course-hero .split:not(:has(.cover)){grid-template-columns:1fr}
.academy-site .lead{font-size:17px;line-height:1.85;max-width:720px}
.academy-site .cover{width:100%;max-height:290px;aspect-ratio:auto;object-fit:contain;box-shadow:none;border-radius:8px}
.academy-site .chips{margin-top:23px;gap:8px}
.academy-site .chips span{font-size:10px;padding:7px 10px;border-radius:4px;background:#ffffffb8;border-color:#d3dfcd;color:#4b6353}
.academy-start-link{margin-top:28px}
.academy-site .course-tabs{top:90px;background:#fff;width:100%;padding:12px max(32px,calc((100% - 1280px)/2));gap:8px;border-color:var(--academy-line)}
.academy-site .course-tabs a{font-size:12px;padding:8px 12px;color:var(--academy-muted)}
.academy-site .course-tabs a:hover{background:#eef5e9;color:var(--academy-green)}
.academy-site .course-layout{gap:64px;grid-template-columns:minmax(0,1fr) 305px;padding-top:54px}
.academy-site .course-layout>article{min-width:0}
.academy-site .course-layout h2,.academy-site .lecture-body h2{font-size:28px;font-weight:600;line-height:1.25;padding-bottom:16px;margin-top:0;border-color:var(--academy-line)}
.academy-site .course-layout p,.academy-site .course-layout li{font-size:15px;line-height:1.95;color:#506057}
.academy-site .course-layout section{scroll-margin-top:170px;margin-bottom:43px}
.academy-site .definition-grid,.academy-site .project-grid{gap:16px}
.academy-site .definition-grid article,.academy-site .project-grid article{border-color:var(--academy-line);border-radius:7px;padding:23px;background:#f8faf6}
.academy-site .definition-grid h3,.academy-site .project-grid h3{font-size:17px;font-weight:650;line-height:1.4;letter-spacing:-.025em}
.academy-site .definition-grid p,.academy-site .project-grid p{font-size:13px;line-height:1.8}
.academy-site .notice{background:#eff5e9;border:1px solid #d5e2cc;border-left:3px solid var(--academy-green);border-radius:5px;font-size:14px;line-height:1.9}
.academy-site .course-facts{background:#f5f8f1;border:1px solid var(--academy-line);border-radius:9px;padding:27px;font-size:13px}
.academy-site .course-facts h3{color:var(--academy-green);font-size:10px;letter-spacing:.12em}
.academy-site .course-facts dt{font-size:9px;letter-spacing:.06em;margin-top:21px}
.academy-site .course-facts dd{font-size:13px;line-height:1.8;margin-top:7px;overflow-wrap:anywhere}
.academy-site .course-facts a{color:var(--academy-green);text-decoration:underline;text-underline-offset:3px}
.academy-site .check-list{padding-left:22px}
.academy-site .check-list li::marker{color:var(--academy-green)}
.academy-reference-note{padding:13px 16px;border:1px solid #e3d7b8;border-radius:5px;background:#faf6ea;color:#746139!important;font:12px/1.8 var(--sans)!important}
.academy-site .lecture-table{border:1px solid var(--academy-line);font-size:13px}
.academy-site .lecture-table th,.academy-site .lecture-table td{border-width:0 0 1px;padding:17px 19px}
.academy-site .lecture-table th{background:#edf3e8;font-size:10px;letter-spacing:.04em}
.academy-site .lecture-table td:nth-child(2){white-space:nowrap;color:var(--academy-muted)}
.academy-site .lecture-table a{font-weight:600;color:var(--academy-green)}
.academy-site .source-note{font-size:11px;line-height:1.8}
.academy-site .lecture-list>a{grid-template-columns:55px 1fr 30px;padding:23px 15px;gap:20px;border-color:var(--academy-line);transition:background .15s}
.academy-site .lecture-list>a:hover{background:#f0f6eb}
.academy-site .module-no{font-size:19px;font-weight:500;color:#5b7d60}
.academy-site .lecture-list strong{font-size:18px;font-weight:600;line-height:1.5;letter-spacing:-.025em}
.academy-site .lecture-list small{font-size:12px;line-height:1.6}
.academy-site .official-links{padding:50px 0;background:#edf4e8;color:var(--academy-ink);border-top:1px solid var(--academy-line)}
.academy-site .official-links h2{font-size:32px}
.academy-site .link-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.academy-site .link-grid a{padding:22px;border:1px solid #d1dfc8;border-radius:6px;background:#ffffff9e}
.academy-site .link-grid strong{font-size:14px;color:var(--academy-green)}
.academy-site .link-grid span{font-size:11px;line-height:1.75;color:var(--academy-muted)}
.academy-site .back{margin-bottom:27px;font-size:12px;color:var(--academy-green)}
.academy-site .identity{margin-top:25px;padding-top:20px;gap:35px;border-color:#d1dfc8;flex-wrap:wrap}
.academy-site .identity span{font-size:9px}
.academy-site .identity strong{font-size:12px;line-height:1.7}
.academy-site .lecture-layout{grid-template-columns:230px minmax(0,850px);gap:65px;padding-top:42px}
.academy-site .toc{top:114px;padding:23px 20px;max-height:calc(100vh - 140px);border:1px solid var(--academy-line);background:#f6f9f3;border-radius:7px}
.academy-site .toc h3{font-size:9px;letter-spacing:.12em;margin:0 0 12px}
.academy-site .toc a{font-size:11px;line-height:1.6;border-color:#e1e9dc;padding:10px 0}
.academy-site .lecture-body{font-size:16px;line-height:1.9;min-width:0}
.academy-site .lecture-body section{scroll-margin-top:118px;margin-bottom:42px}
.academy-site .lecture-body .intro{font-size:19px;line-height:1.85;border-color:#97b98c}
.academy-site .lecture-body h3{font-size:22px;line-height:1.4}
.academy-site .learning-box,.academy-site .summary-box{background:#f1f7ec;border:1px solid #d2e0c9;border-radius:7px;padding:22px}
.academy-site .learning-box ul{margin:0;padding-left:22px}
.academy-site .section-note,.academy-site .section-example,.academy-site .section-exercise,.academy-site .section-concept{border:1px solid var(--academy-line);border-left:3px solid var(--academy-green);border-radius:6px;padding:28px}
.academy-site .lecture-body pre{max-width:100%;overflow:auto;padding:20px;border-radius:6px;background:#203d2e;color:#f2f8ef;font-size:13px}
.academy-site .lecture-body code{overflow-wrap:anywhere}
.academy-site .lecture-body a:not(.btn){color:var(--academy-green);text-decoration:underline;text-underline-offset:3px}
.academy-site .demo-card{border-radius:7px;border-color:var(--academy-line);padding:22px}
.academy-site .demo-card h3{font-size:18px}
.academy-site .demo-card p{font-size:13px}
.academy-site .resource-list li{grid-template-columns:75px minmax(0,1fr) auto;gap:15px}
.academy-site .resource-list strong{font-size:14px}
.academy-site .resource-list p{font-size:12px}
/* Special Embedded Linux lecture: all existing tabs, blocks, timers and classroom hooks remain. */
.academy-eml{--max:1280px;--paper:#fcfdfb;--pale:#edf4e8;font-size:15px}
.academy-eml .academy-eml-global{max-width:1280px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:20px 22px}
.academy-eml-home{color:var(--academy-ink);font-size:24px;font-weight:750;letter-spacing:-1px;text-decoration:none}
.academy-eml-home span{color:var(--academy-green)}
.academy-eml-global nav{display:flex;gap:22px;flex-wrap:wrap}
.academy-eml-global nav a{font-size:11px;font-weight:600;color:var(--academy-muted);text-decoration:none}
.academy-eml .eml-head{background:#fff;border-top:1px solid var(--academy-line);box-shadow:0 4px 15px #173a1b04}
.academy-eml .eml-brand>a span{background:#edf4e8;color:var(--academy-green);border:1px solid #d3e2ca;border-radius:6px;font-size:12px;font-weight:700}
.academy-eml .eml-brand b{font-size:15px;font-weight:650}
.academy-eml .eml-brand small{font-size:11px}
.academy-eml .eml-tab{font-size:11px;padding:14px 13px}
.academy-eml .eml-tab.active{background:#f4f8f0;border-color:var(--academy-green)}
.academy-eml .eml-panel{padding-top:36px;scroll-margin-top:115px}
.academy-eml .eml-title{gap:40px;grid-template-columns:minmax(0,1fr) 300px;align-items:center;margin-bottom:28px}
.academy-eml .eml-title h1,.academy-eml .simple-title h1{font-weight:650;font-size:clamp(30px,3.7vw,48px);line-height:1.13;letter-spacing:-.045em;margin:15px 0}
.academy-eml .lead{font-size:15px;line-height:1.9}
.academy-eml .kicker{font-size:10px;letter-spacing:.1em;line-height:1.7}
.academy-eml .facts{background:#f2f7ec;border-radius:8px;overflow:hidden}
.academy-eml .facts div{padding:18px}
.academy-eml .facts b{font-size:25px;line-height:1.4;font-weight:600}
.academy-eml .facts span{font-size:10px}
.academy-eml .lecture-control-bar{top:108px;gap:12px}
.academy-eml .agenda{border-radius:7px;overflow:hidden}
.academy-eml .agenda b{font-size:12px}
.academy-eml .agenda span{font-size:10px;margin-top:5px}
.academy-eml .class-clock{background:#eaf2e5;color:var(--academy-ink);border-color:#cdddc4;border-radius:7px;padding:12px}
.academy-eml .clock-face span,.academy-eml .timer-face span{color:var(--academy-muted);font-size:9px}
.academy-eml .timer-buttons button{color:var(--academy-green);background:#fff;border-color:#bfd0b6;border-radius:3px}
.academy-eml .class-clock.timer-finished{background:#ffe9e0;border-color:#cd7362}
.academy-eml .objective-card,.academy-eml .content-card,.academy-eml .resource-card,.academy-eml .empty-card{border-radius:8px;border-color:var(--academy-line);padding:28px;margin-bottom:22px}
.academy-eml .objective-card{background:#f5f9f1}
.academy-eml h2{font-weight:600;letter-spacing:-.025em;line-height:1.4}
.academy-eml .objective-card h2,.academy-eml .content-card h2,.academy-eml .resource-card h2{font-size:22px}
.academy-eml .objective-grid div,.academy-eml .topic-grid div,.academy-eml .project-grid div{background:#fff;border-color:var(--academy-line);border-radius:5px;font-size:13px;line-height:1.8;padding:16px}
.academy-eml .topic-grid span,.academy-eml .project-grid span{font-size:12px}
.academy-eml .teaching-block{grid-template-columns:175px minmax(0,1fr);border-color:var(--academy-line);border-radius:8px}
.academy-eml .block-time{background:#f0f6e9;padding:24px 20px}
.academy-eml .block-time span,.academy-eml .block-time small{font-size:11px}
.academy-eml .block-time b{font-size:17px;font-weight:600}
.academy-eml .collapse-block{font-size:11px;border-radius:4px;padding:7px 10px}
.academy-eml .block-body{min-width:0;padding:32px;line-height:1.85}
.academy-eml .block-body h2{font-size:25px}
.academy-eml .block-content{max-width:100%;overflow-x:auto}
.academy-eml .block-body pre{font-size:12px;background:#243d2e}
.academy-eml .block-body table{min-width:540px;font-size:12px}
.academy-eml th{background:#eef4e8;color:var(--academy-green);font-size:10px;padding:16px}
.academy-eml td{font-size:13px;padding:16px}
.academy-eml .table-scroll{border-radius:7px}
.academy-eml .people-grid article,.academy-eml .assessment-grid article,.academy-eml .eml-group-grid article{border-radius:7px;border-color:var(--academy-line)}
.academy-eml .official-grid a{border:1px solid #d4e0cb;border-radius:6px;background:#edf4e8;color:var(--academy-green)}
.academy-eml .official-grid span{color:var(--academy-muted);font-size:12px;line-height:1.7}
.academy-eml .people-grid h2{font-size:17px}
.academy-eml .people-grid a{font-size:12px;overflow-wrap:anywhere}
.academy-eml .eml-button{border-radius:5px;font-size:12px}
.academy-eml .resource-card a{border-radius:5px;font-size:14px;padding:16px}
.academy-eml .resource-card span{font-size:12px}
.academy-eml .academy-eml-footer{background:#edf4e8;border-top:1px solid var(--academy-line);color:var(--academy-muted);font-size:11px;align-items:center;gap:20px}
.academy-eml-footer a{color:var(--academy-green);text-decoration:none;white-space:nowrap}
.academy-eml-footer button{border-color:#bbccb2;color:var(--academy-green);border-radius:4px;font-size:11px;background:#fff}
/* Shared publishing workspace, scoped away from the original teaching/editor styles. */
.academy-admin{background:#f5f8f2;--navy:#23432f;--green:#176b45;--green2:#105332}
.academy-admin .sidebar{width:260px;padding:24px 17px 18px;background:#fff;border-right:1px solid var(--academy-line);color:var(--academy-ink);z-index:30;min-height:0}
.academy-admin .sidebar .admin-brand{display:flex;flex-direction:row;gap:11px;align-items:center;justify-content:flex-start;padding:0 8px 23px;border-color:var(--academy-line);flex-shrink:0}
.academy-admin .sidebar .admin-brand-logo{width:43px;height:43px;max-width:43px;object-fit:contain;margin:0;box-shadow:none;border-radius:0}
.academy-admin .sidebar .admin-brand-text{display:flex;flex-direction:column;align-items:flex-start;gap:5px;margin:0;text-align:left}
.academy-admin .sidebar .admin-brand-text strong{color:var(--academy-ink);font-size:25px;letter-spacing:-1px;line-height:1.1}
.academy-admin .sidebar .admin-brand-text strong span{color:var(--academy-green);font-size:inherit;letter-spacing:inherit;text-transform:none}
.academy-admin .sidebar .admin-brand-text>span{color:var(--academy-muted);font-size:8px;letter-spacing:.06em;line-height:1.5;margin:0;text-transform:uppercase}
.academy-admin .sidebar nav{margin-top:17px;overflow-y:auto;min-height:0;gap:4px;padding:0 3px 14px;overscroll-behavior:contain}
.academy-admin .sidebar nav a{padding:10px 13px;border-radius:5px;color:#667267;font-size:12px;line-height:1.5}
.academy-admin .sidebar nav a:hover,.academy-admin .sidebar nav a[aria-current=page]{background:#edf4e7;color:var(--academy-green)}
.academy-admin .sidebar nav a[aria-current=page]{font-weight:700;box-shadow:inset 3px 0 var(--academy-green)}
.academy-admin .sidebar-user{border-color:var(--academy-line);padding:18px 9px 0;background:#fff;flex-shrink:0;font-size:11px}
.academy-admin .sidebar-user a{color:var(--academy-green);font-size:11px}
.academy-admin .admin-main{margin-left:260px}
.academy-admin .admin-top{padding:31px 38px 28px;border-color:var(--academy-line);align-items:center;gap:24px}
.academy-admin .admin-top h1{font-size:28px;line-height:1.3;font-weight:650;letter-spacing:-.04em;margin-top:8px}
.academy-admin .breadcrumb{font-size:9px;letter-spacing:.08em}
.academy-admin .admin-content{padding:30px 38px}
.academy-admin .button,.academy-admin button{border-radius:5px}
.academy-admin .academy-workspace-intro{display:flex;justify-content:space-between;align-items:center;gap:28px;background:linear-gradient(110deg,#eef5e7,#f8faf4);border:1px solid #d6e3ce;border-radius:9px;padding:29px 30px;margin-bottom:23px}
.academy-workspace-intro h2{font-size:26px;line-height:1.25;letter-spacing:-.04em;margin:10px 0 12px;font-weight:600}
.academy-workspace-intro p{font-size:12px;line-height:1.9;max-width:620px;color:var(--academy-muted);margin:0}
.academy-workspace-intro>a{flex-shrink:0}
.academy-quick-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:25px}
.academy-quick-actions>a{display:flex;position:relative;flex-direction:column;align-items:start;gap:10px;padding:23px;background:#fff;border:1px solid var(--academy-line);border-radius:8px}
.academy-quick-actions>a:hover{border-color:#a3bf97;background:#fcfdf9}
.academy-quick-actions span{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:var(--academy-green);font-weight:700}
.academy-quick-actions strong{font-size:16px;font-weight:650;letter-spacing:-.025em;line-height:1.45;max-width:90%}
.academy-quick-actions small{font-size:11px;line-height:1.8;color:var(--academy-muted);max-width:95%}
.academy-quick-actions b{position:absolute;top:20px;right:18px;font-size:15px;font-weight:400;color:var(--academy-green)}
.academy-admin .stat-grid{gap:16px}
.academy-admin .stat-grid article{border-radius:7px;border-color:var(--academy-line);padding:20px 23px}
.academy-admin .stat-grid strong{color:var(--academy-green);font-size:31px;font-weight:550;letter-spacing:-.03em}
.academy-admin .stat-grid span{font-size:9px}
.academy-admin .panel,.academy-admin .form-panel{border-color:var(--academy-line);border-radius:8px}
.academy-admin .panel-head h2{font-size:20px;font-weight:600;letter-spacing:-.025em}
.academy-admin .panel-head{gap:20px}
.academy-admin th{font-size:9px;background:#f9fbf6}
.academy-admin td{font-size:12px}
.academy-admin .panel-actions{padding:0 25px 24px}
.academy-admin .preview-box{padding:12px 25px;font-size:12px;line-height:1.9;color:var(--academy-muted)}
.academy-admin-menu{display:none!important}
@media(min-width:1500px){.academy-admin .admin-content{max-width:1510px}}
@media(max-width:1180px){.academy-site .nav nav{gap:15px}.academy-site .academy-brand-copy>span{max-width:190px;font-size:9px}.academy-site .brand>img{width:37px;height:37px}.academy-hero-layout{gap:40px;grid-template-columns:minmax(0,1.4fr) minmax(290px,.8fr)}.academy-site .course-layout{gap:35px;grid-template-columns:minmax(0,1fr) 285px}.academy-site .lecture-layout{gap:35px;grid-template-columns:220px minmax(0,1fr)}.academy-admin .admin-top,.academy-admin .admin-content{padding-inline:27px}.academy-admin .academy-workspace-intro{align-items:flex-start;flex-direction:column}}
@media(max-width:1000px){.academy-site .nav{height:auto;min-height:84px;flex-wrap:wrap;padding-block:19px;gap:16px}.academy-site .nav nav{width:100%;justify-content:space-between;gap:14px;flex-wrap:wrap}.academy-site.academy-ready .academy-menu-button{display:block;margin-left:auto}.academy-site.academy-ready .nav nav{display:none}.academy-site.academy-ready .nav nav.is-open{display:flex;padding-top:15px;border-top:1px solid var(--academy-line)}.academy-site .academy-brand-copy>span{max-width:none}.academy-hero-layout{grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr);gap:30px}.academy-hero-index{padding:24px}.academy-hero-index strong{font-size:19px}.academy-hero-index>a{gap:10px}.academy-site .academy-hero{padding:55px 0}.academy-site .course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.academy-site .course-tabs{position:static}.academy-site .course-hero .split{gap:35px;grid-template-columns:minmax(0,1fr) 260px}.academy-site .course-layout{grid-template-columns:minmax(0,1fr) 260px;gap:25px}.academy-site .course-facts{padding:23px}.academy-site .link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.academy-eml .lecture-control-bar{position:static}.academy-eml .eml-title{grid-template-columns:minmax(0,1fr) 250px;gap:25px}.academy-quick-actions{grid-template-columns:1fr}.academy-admin .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.academy-admin .sidebar{position:static;width:100%;padding:18px 24px;display:grid;grid-template-columns:1fr auto;gap:15px;border-right:0;border-bottom:1px solid var(--academy-line)}.academy-admin .sidebar .admin-brand{border:0;padding:0}.academy-admin .sidebar nav{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:0;max-height:55vh;padding:0}.academy-admin .sidebar-user{grid-column:1/-1;padding:12px 0 0;flex-direction:row;justify-content:space-between;margin-top:0}.academy-admin.academy-ready .academy-admin-menu{display:inline-flex!important;align-self:center;background:#eff5e9;color:var(--academy-green);border:1px solid var(--academy-line);padding:9px 11px;font-size:11px}.academy-admin.academy-ready .sidebar nav{display:none}.academy-admin.academy-ready .sidebar nav.is-open{display:grid}.academy-admin .admin-main{margin-left:0}.academy-admin .admin-top,.academy-admin .admin-content{padding:25px}.academy-admin .academy-workspace-intro{flex-direction:row;align-items:center}.academy-quick-actions{grid-template-columns:repeat(3,minmax(0,1fr))}.academy-site .lecture-layout{display:block}.academy-site .toc{position:static;max-height:none;display:flex;flex-wrap:wrap;gap:0 22px;margin-bottom:35px}.academy-site .toc h3{width:100%}.academy-site .toc a{font-size:11px}.academy-site .identity{flex-direction:row}.academy-site .course-layout{grid-template-columns:1fr}.academy-site .course-facts{margin-bottom:20px}.academy-site .course-facts dl{display:grid;grid-template-columns:1fr 2fr;gap:14px 30px}.academy-site .course-facts dt,.academy-site .course-facts dd{margin:0}.academy-site .definition-grid,.academy-site .project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.academy-site .split .cover{max-width:300px}.academy-site .academy-footer-grid{gap:30px}.academy-eml .teaching-block{grid-template-columns:1fr}.academy-eml .block-time{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:16px 22px}.academy-eml .block-time b{margin:0}.academy-eml .collapse-block{margin:0 0 0 auto}.academy-eml .eml-title{grid-template-columns:1fr}.academy-eml .facts{grid-template-columns:repeat(4,1fr)}}
@media(max-width:700px){.academy-site .wrap,.academy-eml .wrap{width:calc(100% - 36px)}.academy-site .brand>img{width:36px;height:36px}.academy-site .academy-brand-copy>strong{font-size:25px}.academy-site .academy-brand-copy>span{font-size:8px}.academy-site .nav{padding-block:15px;min-height:76px}.academy-site .nav nav{justify-content:flex-start;gap:8px 21px}.academy-site .nav nav a{font-size:12px}.academy-site .academy-hero{padding:40px 0}.academy-hero-layout{grid-template-columns:1fr;gap:32px}.academy-site .academy-hero h1{font-size:41px;margin:22px 0}.academy-site .academy-hero-copy>p{font-size:14px;line-height:1.85}.academy-hero-actions{gap:20px}.academy-instructor{margin-top:27px;padding-top:19px}.academy-hero-index{padding:23px 23px 18px}.academy-hero-index>a{padding:20px 0}.academy-hero-index strong{font-size:19px}.academy-hero-index small{font-size:11px;margin-top:4px}.academy-site .section{padding:42px 0}.academy-site .section-title{align-items:flex-start;gap:15px}.academy-site .section-title h2{font-size:28px}.academy-site .section-title>p{font-size:10px;margin-top:6px}.academy-catalogue-tabs{gap:25px;overflow:auto;font-size:12px}.academy-filter-bar{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px;gap:14px}.academy-search{grid-column:1/-1}.academy-filter-bar select{font-size:12px}.academy-site .course-grid{grid-template-columns:1fr;gap:22px}.academy-card-cover{height:225px}.academy-site .course-card h3{font-size:24px}.academy-site .course-card-body{padding:24px}.academy-site .course-card p{font-size:13px}.academy-archive-note{padding:22px;flex-wrap:wrap;gap:12px}.academy-archive-note>span{display:none}.academy-archive-note>a{margin-left:0;margin-top:5px}.academy-site .academy-footer-grid{grid-template-columns:1fr 1fr;gap:30px 22px}.academy-footer-grid>div{grid-column:1/-1}.academy-site .academy-footer-note{font-size:9px;flex-wrap:wrap;gap:10px}.academy-breadcrumb{font-size:10px;padding-top:20px}.academy-edition-bar{gap:12px;align-items:flex-start;flex-wrap:wrap;font-size:11px}.academy-edition-bar>div{gap:8px}.academy-edition-picker{margin-left:auto}.academy-edition-picker summary{font-size:10px;padding:7px 9px;gap:12px}.academy-edition-notice{font-size:11px;padding:13px 15px}.academy-site .academy-course-hero,.academy-site .academy-lecture-head{padding:35px 0}.academy-site .course-hero .split{grid-template-columns:1fr;gap:27px}.academy-site .course-hero h1,.academy-site .lecture-head h1{font-size:36px;line-height:1.14;margin:15px 0}.academy-site .lead{font-size:15px;line-height:1.8}.academy-site .cover{max-height:250px;width:auto;max-width:100%!important;margin:auto}.academy-site .course-tabs{padding:12px 18px;flex-wrap:nowrap;overflow:auto;white-space:nowrap}.academy-site .course-tabs a{font-size:11px}.academy-site .course-layout{padding-top:35px}.academy-site .course-layout h2,.academy-site .lecture-body h2{font-size:25px}.academy-site .course-layout p,.academy-site .course-layout li{font-size:14px;line-height:1.9}.academy-site .definition-grid,.academy-site .project-grid{grid-template-columns:1fr}.academy-site .course-facts dl{grid-template-columns:1fr;gap:4px}.academy-site .course-facts dt{margin-top:15px}.academy-site .course-facts dt:first-child{margin-top:0}.academy-site .lecture-list>a{grid-template-columns:32px minmax(0,1fr) 20px;gap:10px;padding:20px 7px}.academy-site .lecture-list strong{font-size:16px}.academy-site .lecture-list small{font-size:11px}.academy-site .module-no{font-size:15px}.academy-site .lecture-table{min-width:540px}.academy-site .link-grid{grid-template-columns:1fr}.academy-site .link-grid a{padding:20px}.academy-site .identity{gap:18px 24px}.academy-site .identity strong{font-size:11px}.academy-site .lecture-layout{padding-top:30px}.academy-site .lecture-body{font-size:15px}.academy-site .lecture-body .intro{font-size:17px;padding-left:18px}.academy-site .learning-box,.academy-site .summary-box{padding:19px}.academy-site .section-note,.academy-site .section-example,.academy-site .section-exercise,.academy-site .section-concept{padding:21px}.academy-site .resource-list li{grid-template-columns:minmax(0,1fr) auto;gap:8px}.academy-site .resource-list li>span{grid-column:1/-1}.academy-eml .academy-eml-global{padding:16px 18px;align-items:flex-start;flex-direction:column;gap:14px}.academy-eml-home{font-size:23px}.academy-eml-global nav{gap:13px 19px}.academy-eml-global nav a{font-size:10px}.academy-eml .eml-brand{height:61px;padding-inline:18px;gap:12px}.academy-eml .eml-brand b{font-size:12px;line-height:1.35;max-width:205px}.academy-eml .eml-brand>a span{flex-shrink:0}.academy-eml #eml-menu{font-size:11px;border:1px solid var(--academy-line);background:#fff;color:var(--academy-green);border-radius:4px;padding:7px 10px}.academy-eml .eml-head nav{padding-inline:18px}.academy-eml .eml-panel{padding:29px 18px 45px;scroll-margin-top:70px}.academy-eml .eml-title h1,.academy-eml .simple-title h1{font-size:34px}.academy-eml .lead{font-size:14px}.academy-eml .facts div{padding:15px 10px}.academy-eml .facts b{font-size:23px}.academy-eml .facts span{font-size:9px}.academy-eml .objective-card,.academy-eml .content-card,.academy-eml .resource-card,.academy-eml .empty-card{padding:22px}.academy-eml .objective-card h2,.academy-eml .content-card h2,.academy-eml .resource-card h2{font-size:22px}.academy-eml .block-time{padding:15px 18px;gap:9px}.academy-eml .block-time small{font-size:10px}.academy-eml .block-time b{font-size:15px}.academy-eml .collapse-block{font-size:10px}.academy-eml .block-body{padding:22px;font-size:14px;line-height:1.9}.academy-eml .block-body h2{font-size:23px}.academy-eml .eml-group-grid{grid-template-columns:1fr}.academy-eml .academy-eml-footer{padding:22px 18px;align-items:flex-start}.academy-admin .sidebar{padding:17px 18px}.academy-admin .sidebar .admin-brand-logo{width:34px;height:34px}.academy-admin .sidebar .admin-brand-text strong{font-size:23px}.academy-admin .sidebar .admin-brand-text>span{font-size:7px}.academy-admin .sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}.academy-admin .admin-top,.academy-admin .admin-content{padding:23px 18px}.academy-admin .admin-top{align-items:flex-start;flex-direction:column;gap:15px}.academy-admin .admin-top h1{font-size:28px}.academy-admin .academy-workspace-intro{padding:23px;flex-direction:column;align-items:flex-start;gap:20px}.academy-workspace-intro h2{font-size:26px}.academy-quick-actions{grid-template-columns:1fr;gap:12px}.academy-quick-actions>a{padding:22px}.academy-admin .stat-grid{gap:12px}.academy-admin .stat-grid article{padding:18px}.academy-admin .stat-grid strong{font-size:30px}.academy-admin .panel-head{padding:20px;align-items:flex-start}.academy-admin .panel-head h2{font-size:18px}.academy-admin .preview-box{padding:12px 20px}.academy-admin .panel-actions{padding:0 20px 20px}.academy-admin .table-wrap>table{min-width:600px}}
@media(prefers-reduced-motion:reduce){.academy-site *,.academy-eml *{scroll-behavior:auto!important;transition:none!important}}
@media print{.academy-site .site-head,.academy-site .academy-footer,.academy-site .toc,.academy-site .lecture-actions,.academy-edition-picker,.academy-eml-global,.academy-skip{display:none!important}.academy-site .lecture-layout{display:block}.academy-site .wrap{width:100%}.academy-site .lecture-head{padding:20px 0;background:#fff}.academy-site .lecture-head h1{font-size:30px}.academy-eml .academy-eml-footer{display:none!important}.academy-eml .teaching-block[hidden]{display:grid!important}.academy-eml .block-content[hidden]{display:block!important}.academy-eml .lecture-control-bar{display:none!important}}
.academy-eml .demo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.academy-eml .demo-card{min-width:0;padding:22px;border:1px solid var(--academy-line);border-radius:6px;background:#f9fbf6}
.academy-eml .demo-card>span{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--academy-green)}
.academy-eml .demo-card h3{font-size:18px;margin:12px 0;line-height:1.4;letter-spacing:-.025em}
.academy-eml .demo-card p{font-size:13px;line-height:1.8;color:var(--academy-muted)}
.academy-eml .demo-card a{font-size:12px;font-weight:600}
.academy-eml .demo-embed{max-width:100%;overflow:auto;margin-top:15px}
@media(max-width:700px){.academy-eml .demo-grid{grid-template-columns:1fr}}