@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;450;500;550;600;650;700&display=swap');
:root{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#162538;background:#fff;font-synthesis:none;font-size:15px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:#0866a8;text-underline-offset:3px}a:hover{color:#002147}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #3b8bc5;outline-offset:3px}.topbar{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 clamp(20px,4vw,66px);border-bottom:1px solid #e7ebef;background:#fff;position:sticky;top:0;z-index:30}.course-brand{font-weight:600;font-size:14px;letter-spacing:-.025em;text-decoration:none;color:#002147;max-width:650px}.top-actions{display:flex;gap:22px;align-items:center;flex-shrink:0}.top-actions button,.text-button{border:0;background:none;padding:8px 0;color:#526579;font-size:12px;font-weight:550}.top-actions button:hover,.text-button:hover{color:#002147}.demo-tag{font-size:9px;color:#83919e;letter-spacing:.07em}.home{max-width:1100px;margin:auto;padding:44px 28px 110px}.banner{width:100%;display:block;height:auto;object-fit:contain}.home-intro{padding:76px 0 68px;max-width:740px}.eyebrow{font-size:11px;letter-spacing:.15em;font-weight:650;text-transform:uppercase;color:#667b90}.home-intro h1{font-size:clamp(34px,4vw,54px);font-weight:550;line-height:1.14;letter-spacing:-.06em;margin:20px 0}.home-intro p{font-size:17px;line-height:1.8;color:#596779;margin:0 0 30px}.primary{background:#002147;color:white;border:1px solid #002147;border-radius:8px;padding:14px 22px;font-size:13px;font-weight:600;transition:background .15s}.primary:hover{background:#123a67}.secondary{border:1px solid #cbd5df;background:#fff;color:#002147;border-radius:8px;padding:12px 18px;font-size:13px;font-weight:550}.secondary:hover{background:#f5f8fa}.module-index{border-top:1px solid #e5e9ed}.index-row{width:100%;display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:12px;text-align:left;padding:24px 0;border:0;border-bottom:1px solid #e5e9ed;background:none;color:#17283b}.index-number{color:#8b9aaa;font-size:13px}.index-name{font-size:18px;letter-spacing:-.025em}.index-status{font-size:12px;color:#667b90}.index-row:hover .index-name{color:#006cb5}.layout{display:grid;grid-template-columns:284px minmax(0,1fr);min-height:calc(100vh - 74px)}.sidebar{border-right:1px solid #e7ebef;background:#fcfdfd;padding:36px 19px 50px 28px;position:sticky;top:74px;height:calc(100vh - 74px);overflow-y:auto;scrollbar-width:thin}.sidebar-label{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#82909f;font-weight:650;margin:0 10px 25px}.side-module{border:0;background:transparent;width:100%;display:flex;gap:10px;align-items:start;text-align:left;padding:13px 9px;color:#24374b;font-size:13px;font-weight:550;line-height:1.5;border-radius:7px}.side-module:hover,.side-lesson:hover{background:#f1f5f8}.side-module.current{color:#002147}.side-number{font-size:11px;color:#718297;min-width:23px}.side-module .end{margin-left:auto;color:#7e8b99}.side-lessons{margin:1px 0 12px 32px;border-left:1px solid #e0e6ec;padding-left:10px}.side-lesson{display:flex;align-items:flex-start;gap:9px;text-decoration:none;color:#66768a;font-size:12px;line-height:1.6;border-radius:5px;padding:9px 7px;min-height:36px}.side-lesson.active{background:#eaf1f8;color:#002147;font-weight:600}.side-lesson .tick{color:#168064;min-width:13px}.side-lesson.locked{opacity:.48;cursor:not-allowed}.reading-shell{width:100%;max-width:970px;margin:0 auto;padding:65px clamp(26px,6vw,92px) 110px}.back-link{display:inline-block;font-size:12px;color:#64788b;text-decoration:none;margin-bottom:48px}.lesson-eyebrow{font-size:11px;color:#5d7793;letter-spacing:.14em;text-transform:uppercase;font-weight:650}.reading-shell h1{font-size:clamp(32px,3.1vw,47px);line-height:1.17;letter-spacing:-.052em;font-weight:600;color:#002147;margin:16px 0 22px}.lesson-status{font-size:12px;color:#8492a0;margin-bottom:52px}.prose{font-size:15px;line-height:1.93;color:#334255}.prose p{margin:0 0 22px}.prose strong{font-weight:650;color:#233347}.prose em{font-style:italic}.prose a{color:#006cae;text-decoration-thickness:1px}.prose h2{font-size:23px;letter-spacing:-.035em;line-height:1.35;font-weight:600;color:#002147;margin:48px 0 18px}.prose .list-line{padding-left:18px;position:relative}.prose .list-line:before{content:'•';position:absolute;left:2px;color:#5d7185}.video-block{margin:36px 0 42px}.video-title{font-weight:600;color:#172d47;font-size:15px;margin-bottom:14px}.video-frame{position:relative;aspect-ratio:16/9;background:#10243b;border-radius:6px;overflow:hidden}.video-frame iframe{width:100%;height:100%;border:0;display:block}.video-note{font-size:12px;color:#718194;margin-top:12px}.bottom-actions{border-top:1px solid #e4e9ee;margin-top:62px;padding-top:26px;display:flex;justify-content:space-between;align-items:center;gap:18px}.bottom-actions .muted{font-size:12px;color:#748596}.quiz-intro{font-size:15px;line-height:1.7;color:#627489;margin-bottom:44px}.question{border-top:1px solid #e8ecf0;padding:30px 0 28px}.question h2{font-size:16px;font-weight:600;line-height:1.65;letter-spacing:-.015em;margin:0 0 22px}.option{display:flex;gap:13px;align-items:flex-start;padding:12px 14px;margin:8px 0;border:1px solid #e2e7ec;border-radius:7px;font-size:14px;line-height:1.55;cursor:pointer;color:#3b4c5d}.option:hover{border-color:#9bb7d0;background:#f8fbfe}.option:has(input:checked){background:#edf5fb;border-color:#8db5d5}.option input{accent-color:#006ba9;margin-top:3px;flex-shrink:0}.quiz-result{margin-top:28px;padding:25px 0;border-top:1px solid #e2e7ed}.quiz-result h2{font-size:23px;margin:0 0 8px;color:#002147}.quiz-result p{font-size:13px;color:#67788b;line-height:1.7}.answer-feedback{font-size:12px;margin-top:8px;color:#63788a}.progress-meter{height:5px;background:#e9eef2;border-radius:5px;overflow:hidden;margin:30px 0 40px}.progress-meter>div{height:100%;background:#0075b8}.notice{font-size:13px;line-height:1.7;color:#526579;padding:14px 18px;border-left:2px solid #6b9ac3;background:#f4f8fb;margin:24px 0}.editor{max-width:880px;margin:auto;padding:55px 30px 100px}.editor h1{font-size:35px;letter-spacing:-.05em;color:#002147}.editor label{display:block;margin:25px 0 9px;font-size:12px;font-weight:600;color:#34485e}.editor select,.editor input,.editor textarea{display:block;width:100%;border:1px solid #d2dbe3;padding:12px;border-radius:7px;background:#fff;color:#26394b}.editor textarea{min-height:130px;line-height:1.6}.editor .edit-block{border-top:1px solid #e7ecf0;padding:18px 0}.editor .edit-block textarea{min-height:110px}.editor .actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}.drawer-shade{position:fixed;inset:74px 0 0;background:#0d1b2a88;z-index:29;display:none}.drawer-shade.open{display:block}.drawer-panel{width:min(350px,88vw);height:100%;background:#fff;overflow:auto;padding:24px}.drawer-panel .side-module{font-size:14px}.drawer-close{float:right;border:0;background:none;color:#456}.small-muted{font-size:12px;color:#738397}.admin-alert{background:#fff7e9;border-left:2px solid #bd8742;padding:13px 16px;font-size:12px;line-height:1.7;color:#6b5637}.hidden{display:none!important}@media(max-width:860px){.layout{display:block}.sidebar{display:none}.reading-shell{padding:38px 24px 80px;max-width:730px}.topbar{height:auto;min-height:70px;padding:13px 20px}.course-brand{font-size:12px;max-width:55%}.top-actions{gap:12px}.top-actions button{font-size:11px}.home{padding:22px 20px 75px}.home-intro{padding:46px 0}.index-row{grid-template-columns:35px 1fr auto}.index-name{font-size:15px}.bottom-actions{flex-direction:column;align-items:stretch}.bottom-actions button{width:100%}}@media(max-width:460px){.top-actions button:nth-child(2){display:none}.course-brand{max-width:59%;font-size:11px}.top-actions{gap:10px}.reading-shell h1{font-size:31px}.home-intro h1{font-size:34px}.index-status{font-size:10px}}

/* Version 3 refinements */
.home{max-width:1150px}.home .banner{width:100%;margin-bottom:0}.home-intro{padding:68px 0 72px;max-width:900px}.home-intro h1{font-size:clamp(39px,5.1vw,76px);font-weight:650;line-height:1.1;letter-spacing:-.067em;margin:22px 0 28px;color:#002147}.home-intro .home-byline{font-size:18px;color:#34475d;font-weight:500;margin-bottom:24px;line-height:1.55}.home-intro>.eyebrow{font-size:12px;color:#65798e}.bottom-actions{justify-content:space-between}.bottom-actions .secondary{min-width:116px}.bottom-actions .primary{min-width:116px}.transcript-area{margin-top:13px}.transcript-link{font-size:13px;font-weight:550;text-decoration:none}.transcript-link:hover{text-decoration:underline}.transcript-pending{font-size:12px;color:#8a97a6}.edit-link-btn{font-size:11px;padding:7px 10px;margin:0 0 8px}.edit-rich a{color:#006cae;text-decoration:underline}.quiz-result+.primary[hidden],#quizSubmit[hidden]{display:none}.prose p a[target="_blank"]{text-decoration-thickness:1px}
@media(max-width:860px){.home-intro h1{font-size:clamp(36px,7vw,58px)}.bottom-actions{flex-direction:row}.bottom-actions button{width:auto}}

/* Version 4: quiet institutional identity and restored welcome */
.topbar{min-height:86px;height:auto;padding-top:10px;padding-bottom:10px}
.course-brand{display:flex;align-items:center;gap:17px;max-width:670px;line-height:1.35;font-size:13px;font-weight:600;letter-spacing:-.018em}
.course-brand img{display:block;width:180px;height:auto;flex-shrink:0;filter:none}
.course-brand span{display:block;max-width:430px}
.home-logos{display:flex;justify-content:center;align-items:center;padding:32px 0 8px}
.home-logos img{display:block;width:min(620px,94%);height:auto}
.home-intro{padding-top:44px}
.home-welcome{border-top:1px solid #e8edf1;padding-top:22px;margin-top:30px!important}
@media(max-width:900px){.course-brand img{width:115px}.course-brand{gap:10px;font-size:11px;max-width:65%}.home-logos{padding-top:20px}}
@media(max-width:600px){.course-brand img{width:72px}.course-brand{font-size:10px;max-width:61%}.top-actions{gap:8px}.top-actions button{font-size:10px}.home-logos img{width:100%}}
/* Content administration and learner entry */
.editor-toolbar{position:sticky;top:87px;z-index:5;display:flex;gap:6px;padding:12px 0;background:#fff;border-top:1px solid #e8edf1;border-bottom:1px solid #e8edf1;margin-top:28px}.editor-toolbar button{border:1px solid #d6e0e8;background:white;border-radius:6px;padding:9px 13px;min-width:43px;color:#002147}.editor-toolbar button:hover{background:#eaf1f8}.editor-structure{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.editor-structure button{padding:9px 12px}.block-controls{display:flex;align-items:center;gap:8px;margin-bottom:10px}.block-controls button{border:0;background:none;color:#64778b;font-size:12px;padding:5px}.block-controls button:hover{color:#002147}.block-kind{font-size:11px;color:#708095;font-weight:600;margin-right:auto;text-transform:uppercase;letter-spacing:.08em}.edit-rich{border:1px solid #d5dfe8;border-radius:7px;padding:14px 16px;line-height:1.8;min-height:60px;color:#263b50;outline:none}.edit-rich:focus{border-color:#5c99c7;box-shadow:0 0 0 3px #e6f1f9}.edit-heading{font-size:20px;font-weight:600;letter-spacing:-.025em}.edit-rich:empty{display:none}.edit-block{border-top:1px solid #e7edf1;padding:24px 0}.edit-block label{margin-top:10px}.editor-pickers{display:grid;grid-template-columns:1fr 1fr;gap:15px}.admin-menu{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.access-home form{max-width:440px;display:grid;gap:16px}.access-home label{display:grid;gap:7px;font-size:13px;font-weight:600}.access-home input{padding:13px;border:1px solid #cbd6df;border-radius:7px}.report-table{width:100%;border-collapse:collapse;font-size:12px}.report-table td,.report-table th{text-align:left;padding:12px 8px;border-bottom:1px solid #e3e9ee}.import-result{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.7;background:#f6f8fa;padding:14px}.editor textarea{min-height:140px}
@media(max-width:650px){.editor-pickers{grid-template-columns:1fr}.editor-toolbar{top:70px}}