/* Project-local adaptation of Marie's Library course design.
   The shared version owns this copy; it never loads or edits Library files. */
:root{color-scheme:light dark;--paper:oklch(.985 .008 82);--shell:oklch(.965 .012 82);--soft:oklch(.945 .016 82);--ink:oklch(.22 .018 72);--muted:oklch(.43 .018 72);--subtle:oklch(.56 .018 72);--line:oklch(.76 .025 72);--accent:#8f2f45;--accent-text:#7a2439;--accent-soft:#f4e6e9;--overlay:rgba(18,16,13,.48);--title:Optima,'Segoe UI',sans-serif;--body:-apple-system,BlinkMacSystemFont,'SF Pro Text','SF Pro Display','Helvetica Neue',system-ui,sans-serif;--shadow:0 18px 48px oklch(.2 .02 72 / .16),0 2px 8px oklch(.2 .02 72 / .08)}
*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;padding:clamp(3rem,8vh,6rem) 24px;font:16px/1.65 var(--body);color:var(--ink);background:#1c1a17;min-height:100vh}body:before{content:'';position:fixed;inset:0;background-image:linear-gradient(var(--overlay),var(--overlay)),var(--backdrop);background-position:center;background-size:cover;pointer-events:none}a{color:inherit;text-underline-offset:.2em}a:hover{color:var(--accent-text)}button,input,select{font:inherit;color:inherit}button,select,summary{cursor:pointer}button{background:none;border:0}a,button,input,select,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #c77a8d;outline-offset:4px;border-radius:4px}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:var(--title);color:var(--ink)}h1{font-size:clamp(35px,6vw,51px);font-weight:800;line-height:.98;letter-spacing:-.04em;text-wrap:balance}h2{font-size:22px;line-height:1.15;letter-spacing:-.03em;font-weight:700}h3{font-size:18px;line-height:1.25;font-weight:700}p{margin-top:.65em}.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-link{position:fixed;top:-100px;left:20px;padding:12px;background:var(--paper);color:var(--ink);z-index:99}.skip-link:focus{top:12px}.workspace{position:relative;width:min(720px,100%);margin:auto;background:var(--paper);border:1px solid color-mix(in srgb,var(--line) 70%,transparent);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}.topbar,main,footer{width:min(476px,calc(100% - 48px));margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:70px;font-size:11px;font-weight:600;line-height:1.4;color:var(--subtle)}.topbar button{padding:0;font:inherit;min-height:32px}.topbar a{text-decoration:none}.topbar button:hover{color:var(--accent-text)}main{padding:38px 0 0}main:focus{outline:none}.eyebrow{font:700 11px/1.5 var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--subtle)}.module-heading>.eyebrow{margin-bottom:14px}.lens{font:500 16px/1.65 var(--body);color:var(--muted);margin-top:24px}.lecture-title{margin-top:34px}.orientation{margin:26px 0 30px}.orientation h2{font:700 11px/1.5 var(--body);text-transform:uppercase;letter-spacing:.09em;color:var(--accent-text)}.orientation p{font-size:16px;line-height:1.65;color:var(--muted)}.watch-layout{display:flex;flex-direction:column;gap:24px}.watch{width:100%;min-width:0}.section-heading{margin-bottom:16px}.small-hint{font-size:12px;color:var(--subtle);line-height:1.5}.section-heading>.small-hint{display:block;margin-top:8px}.watch>.section-heading{margin:0;padding:14px 17px;border:1px solid var(--line);border-bottom:0;border-radius:8px 8px 0 0;background:var(--soft)}.watch h2{font:700 14px/1.5 var(--body);color:var(--accent-text);letter-spacing:.02em}.watch .section-heading>.small-hint{display:none}.video-wrap{aspect-ratio:16/9;background:#111;border:1px solid var(--line);border-radius:0 0 8px 8px;overflow:hidden}.video-wrap iframe{width:100%;height:100%;display:block;border:0}.video-links{display:flex;justify-content:space-between;gap:12px;font-size:11px;line-height:1.5;margin-top:10px;color:var(--accent-text)}.chapters{border-block:1px solid var(--line);margin-top:16px;font-size:12px}.chapters summary{padding:12px 0;font-weight:600}.chapters summary span{float:right;font-size:11px;color:var(--subtle)}.chapters ol{list-style:none;padding:0;margin:0 0 12px}.chapters button{min-height:44px;width:100%;display:flex;align-items:baseline;gap:12px;text-align:left;padding:10px 5px;font-size:12px;line-height:1.5}.chapters button:hover{background:var(--soft)}.chapters time{min-width:38px;font-variant-numeric:tabular-nums;color:var(--accent-text)}.chapters button span:last-child{margin-left:auto}.chapters>.small-hint{margin:0 0 14px}.context{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--soft);padding:19px 20px}.context>.eyebrow{display:none}.context h2{font:700 11px/1.5 var(--body);text-transform:uppercase;letter-spacing:.09em;color:var(--accent-text);margin-bottom:15px}.context h3{font:700 14px/1.5 var(--body)}.context p{font-size:14px;line-height:1.6;color:var(--muted);margin-top:4px}.context>div+div{margin-top:16px}.dates{margin-top:24px;padding:16px 18px;border:1px solid var(--line);border-radius:8px}.dates h2{font:700 11px/1.5 var(--body);letter-spacing:.09em;text-transform:uppercase;color:var(--subtle)}.dates .section-heading{margin-bottom:12px}.dates .small-hint{font-size:11px;margin-top:5px}.dates ol{list-style:none;margin:0;padding:0;display:grid;gap:12px}.dates li{display:grid;grid-template-columns:80px 1fr;column-gap:12px;align-items:baseline}.date{color:var(--accent-text);font-size:12px;line-height:1.5;font-weight:800;grid-row:1/3}.dates h3{font:600 12px/1.5 var(--body)}.dates p{grid-column:2;font-size:12px;line-height:1.45;color:var(--muted);margin-top:2px}.visual{margin:28px 0 32px;padding:12px;border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--soft) 74%,transparent)}.image-open{display:grid;place-items:center;min-height:220px;background:color-mix(in srgb,var(--paper) 72%,#000);border-radius:4px;overflow:hidden;cursor:zoom-in}.visual img{display:block;width:100%;height:320px;object-fit:contain;transition:transform 180ms ease}.image-open:hover img{transform:scale(1.012)}.visual figcaption{padding:13px 3px 2px}.visual .eyebrow{display:none}.visual h3{font:700 15px/1.5 var(--body)}.visual p{font-size:15px;line-height:1.6;color:var(--muted)}.visual .image-credit{font-size:11px;line-height:1.5;color:var(--subtle);margin:10px 0 6px}.image-credit a{color:var(--accent-text)}.visual .small-hint{font-size:11px}.ideas{margin-top:34px}.ideas>.section-heading{margin-bottom:26px}.ideas h2,.terms h2{font:700 11px/1.5 var(--body);letter-spacing:.09em;text-transform:uppercase;color:var(--accent-text)}.ideas .small-hint{display:none}.idea-list{display:block}.idea-list article{margin-bottom:27px}.idea-number{display:none}.idea-list h3{font-size:18px;margin-bottom:7px}.idea-list p{margin:0;font-size:16px;line-height:1.65;color:var(--muted)}.terms{margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}.terms dl{margin:20px 0 0;display:grid;gap:17px}.terms dt{font-size:14px;font-weight:700}.terms dd{font-size:14px;line-height:1.6;margin:3px 0 0;color:var(--muted)}.recall{margin-top:32px;padding:21px 22px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;background:var(--soft)}.recall .eyebrow{color:var(--accent-text)}.recall h2{margin-top:10px}.recall p{font-size:16px;line-height:1.65;color:var(--muted)}.source-line{display:flex;flex-direction:column;align-items:start;gap:16px;font-size:12px;color:var(--subtle);padding:23px 0;border-bottom:1px solid var(--line)}.source-line details{max-width:100%}.source-line button{padding:0;font-size:12px;color:var(--accent-text)}.source-line p{font-size:13px;color:var(--muted)}.module-pager{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:28px 0 40px}.module-pager a{text-decoration:none;display:block}.module-pager span{display:block;font-size:10px;letter-spacing:.06em;color:var(--subtle)}.module-pager strong{font:700 17px/1.3 var(--title);display:block;margin-top:8px}.module-pager .next,.course-end{text-align:right}.course-end{font-size:13px}footer{border-top:1px solid var(--line);padding:26px 0 65px;color:var(--subtle)}footer p{font-size:11px;line-height:1.6}footer .footer-title{font:700 20px/1.3 var(--title);color:var(--ink);margin-bottom:12px}.background-credit{margin-top:12px}
.course-rail{position:fixed;left:max(14px,calc(50vw - 408px));top:50%;transform:translateY(-50%);z-index:5;max-height:calc(100dvh - 60px);overflow-y:auto;scrollbar-width:none;display:flex;flex-direction:column;gap:4px;align-items:center;padding:10px 8px;border:1px solid color-mix(in srgb,var(--line) 70%,transparent);border-radius:16px;background:color-mix(in srgb,var(--shell) 88%,transparent);box-shadow:var(--shadow)}.course-rail::-webkit-scrollbar{display:none}.course-rail a{width:26px;height:26px;flex:0 0 26px;display:grid;place-items:center;border:1px solid color-mix(in srgb,var(--line) 58%,transparent);border-radius:50%;background:var(--paper);color:var(--subtle);font:800 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-decoration:none}.course-rail a:hover,.course-rail a[aria-current]{background:var(--accent);border-color:var(--accent);color:white}.course-rail a[aria-current]{box-shadow:0 0 0 3px var(--accent-soft)}.mobile-nav{display:none}.course-index{width:min(550px,calc(100vw - 32px));max-height:85dvh;padding:25px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}.course-index::backdrop{background:rgba(12,10,10,.7)}.index-heading{display:flex;justify-content:space-between;gap:18px;align-items:start;margin-bottom:8px}.index-heading h2{font-size:25px}.close-index{width:36px;height:36px;padding:0;font-size:24px;line-height:1}.index-byline{font-size:12px;color:var(--subtle);margin:5px 0 20px}.search-label{font-size:12px;font-weight:600;display:block;margin-bottom:6px}#search{width:100%;height:42px;padding:9px 12px;border:1px solid var(--line);border-radius:6px;background:var(--soft);font-size:14px}#index-lectures{margin-top:15px}#index-lectures a{display:flex;gap:14px;padding:12px 8px;line-height:1.4;border-bottom:1px solid var(--line);font-size:14px;text-decoration:none}#index-lectures a[aria-current]{background:var(--accent-soft);color:var(--accent-text)}.nav-number{font-size:11px;min-width:20px;padding-top:2px;font-variant-numeric:tabular-nums}.no-results{font-size:14px}.lightbox{max-width:95vw;max-height:92dvh;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink)}.lightbox::backdrop{background:rgba(12,10,10,.86)}.lightbox button{display:block;margin:0 0 10px auto;min-height:36px;font-size:13px}.lightbox img{display:block;max-width:calc(95vw - 34px);max-height:74dvh;object-fit:contain}.lightbox p{font-size:12px;max-width:75ch}
@media(prefers-color-scheme:dark){:root{--paper:oklch(.25 .006 0);--shell:oklch(.25 .006 0);--soft:oklch(.29 .006 0);--ink:oklch(.93 .018 82);--muted:oklch(.78 .018 82);--subtle:oklch(.67 .018 82);--line:oklch(.45 .006 0);--accent:#c96a7f;--accent-text:#eaa0ae;--accent-soft:#4a2833;--overlay:rgba(12,12,12,.62);--shadow:0 20px 56px oklch(.04 .004 0 / .42)}:focus-visible{outline-color:#e9a6b4}}
@media(max-width:850px) and (min-width:721px){body{padding-left:68px;padding-right:20px}.workspace{width:100%}.course-rail{left:14px}}
@media(max-width:720px){body{padding:20px 12px 85px}.workspace{width:100%}.topbar,main,footer{width:calc(100% - 42px)}.topbar{padding-top:28px;font-size:10px;gap:15px}main{padding-top:25px}h1{font-size:clamp(34px,8.5vw,46px)}.lens{font-size:16px;margin-top:20px}.lecture-title{margin-top:28px}.orientation{margin:24px 0}.course-rail{display:none}.mobile-nav{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);z-index:10;display:block;width:min(360px,calc(100vw - 28px));padding:7px;background:var(--shell);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow)}.mobile-nav select{width:100%;min-height:44px;padding:8px 26px 8px 14px;font-size:12px;font-weight:650;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink)}.context{padding:17px}.dates{padding:16px}.dates li{grid-template-columns:70px 1fr;gap:1px 10px}.visual{padding:9px}.visual img{height:235px}.visual p{font-size:14px}.recall{padding:19px}.module-pager{gap:18px}.module-pager strong{font-size:15px}footer{padding-bottom:40px}.video-links{font-size:10px}.lightbox{padding:10px}.lightbox img{max-width:calc(95vw - 22px)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{:root{--paper:white;--shell:white;--soft:#f4f4f0;--ink:#222;--muted:#444;--subtle:#555;--line:#aaa;--accent:#693d49;--accent-text:#693d49}body{padding:0;background:white;color:black}body:before,.course-rail,.topbar,.mobile-nav,.video-wrap,.chapters,.module-pager,.print-button,.skip-link,.course-index,.lightbox{display:none!important}.workspace{width:100%;border:0;border-radius:0;box-shadow:none}.topbar,main,footer{width:100%;max-width:none}main{padding:0}h1{font-size:25pt}.watch-layout{display:block}.context{margin-top:15px;break-inside:avoid}.visual{break-inside:avoid}.visual img{height:220px}.idea-list article,.terms dl>div{break-inside:avoid}.recall{break-inside:avoid}.video-links a:after{content:' (' attr(href) ')';font-size:8px}.background-credit{display:none}footer{padding-bottom:0}}

.lecture-section{margin:42px 0}.chapter-label{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px;letter-spacing:.09em}.chapter-label button{background:none;border:0;padding:8px;color:var(--accent-text);font:inherit;cursor:pointer;letter-spacing:0}.lecture-section>h2{font-family:Optima,"Segoe UI",sans-serif;font-size:27px;line-height:1.2;letter-spacing:-.025em;text-transform:none;margin:8px 0 24px}.chapter-points{padding-left:20px;margin:0}.chapter-points>li{padding-left:6px;margin:0 0 23px}.chapter-points>li::marker{color:var(--accent-text)}.chapter-points h3{margin:0 0 6px;font-size:16px;line-height:1.4}.chapter-points p{margin:0}.lecture-section .visual{margin-top:26px}@media print{.chapter-points>li{break-inside:avoid}.chapter-label button{display:none}}
:focus-visible{outline-color:var(--accent)}