:root{--ink:#222b29;--muted:#56635f;--line:#d7dfda;--soft:#f3f6f4;--green:#256249;--pale:#e8f2ec;--red:#913f51;--blue:#265a82;--text-size:18px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;color-scheme:light}
*{box-sizing:border-box;letter-spacing:0}body{margin:0}a{color:var(--blue);text-underline-offset:3px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #a74468;outline-offset:3px}button{border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);padding:9px 13px;min-height:42px}button:hover:not(:disabled){background:var(--soft)}svg{width:18px;height:18px;flex-shrink:0}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:10px}.skip{position:fixed;top:-80px;left:16px;z-index:100;background:white;padding:15px}.skip:focus{top:8px}.topbar{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 30px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;color:var(--ink);font-size:24px;font-weight:700;line-height:1.1}.brand small{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:5px}.brand-mark{display:grid;place-items:center;background:var(--green);color:white;width:42px;height:46px;font-family:Georgia,serif;font-size:32px;border-radius:4px}.topbar nav{display:flex;align-items:center;gap:25px;font-size:14px}.topbar nav a{color:var(--ink);text-decoration:none;min-height:42px;display:flex;align-items:center;gap:7px}.topbar nav a:hover{color:var(--green);text-decoration:underline}.layout{display:grid;grid-template-columns:270px minmax(0,1fr)}.sidebar{position:sticky;top:88px;height:calc(100dvh - 88px);overflow-y:auto;border-right:1px solid var(--line);padding:26px 20px;background:var(--soft);font-size:14px}.sidebar label{display:block;font-weight:700;margin:0 0 9px}.sidebar select{width:100%;padding:11px 7px;border:1px solid #b8c9c0;border-radius:4px;background:white;color:var(--ink);font-size:14px}.sidebar h2{font-size:12px;color:var(--muted);text-transform:uppercase;margin:26px 0 10px}.unit-links{display:grid;gap:5px}.unit-link{display:grid;grid-template-columns:23px 1fr;gap:9px;padding:11px 9px;border-left:3px solid transparent;color:var(--ink);line-height:1.4;text-decoration:none;border-radius:0 4px 4px 0}.unit-link:hover{background:#e5ece7}.unit-link[aria-current=page]{background:#dcebe1;border-color:var(--green);font-weight:700}.unit-number{color:var(--muted);font-size:12px;padding-top:2px}.sidebar-footer{border-top:1px solid var(--line);padding-top:18px;margin-top:28px;color:var(--muted);line-height:1.55;font-size:12px}.sidebar-footer a{display:block;margin-top:8px}.font-buttons{display:flex;gap:5px}.font-buttons button{flex:1;font-size:14px}.font-buttons button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.segments{display:grid;grid-template-columns:1fr 1fr;border:1px solid #b5c9bd;border-radius:5px;overflow:hidden;margin:16px 0 0}.segments button{border:0;border-radius:0;font-size:13px;padding:10px 6px;min-height:44px}.segments button[aria-pressed=true]{background:var(--green);color:white}.mobile-only{display:none}main{min-width:0;padding:36px 44px 60px;max-width:1230px;width:100%;margin:0 auto;font-size:var(--text-size);line-height:1.7}h1,h2,h3{color:var(--ink);line-height:1.25}h1{font-size:36px;font-weight:600;margin:8px 0 17px;max-width:900px}h2{font-size:25px;font-weight:600;margin:35px 0 14px}h3{font-size:20px;margin:24px 0 10px}p{margin:12px 0 18px}li{margin:7px 0}ul,ol{padding-left:25px}.kicker{font-size:12px;text-transform:uppercase;color:var(--green);font-weight:700;margin:0}.deck{font-size:20px;color:var(--muted);line-height:1.6;max-width:850px}.crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;line-height:1.5;color:var(--muted);margin-bottom:24px}.crumb a{color:var(--muted)}.unit-header{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:24px}.unit-header .deck{font-size:18px}.tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px;margin-top:18px}.tools a,.button-link{display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:8px 12px;border:1px solid var(--line);border-radius:5px;text-decoration:none;font-size:14px;background:white}.tools .mode-label{font-size:12px;color:var(--muted);margin-right:auto}.reading{max-width:910px}.reading>section{margin:30px 0 40px}.reading>section+section{border-top:1px solid var(--line);padding-top:6px}.model{border-left:4px solid var(--green);padding:4px 0 4px 22px;margin:23px 0}.model .kicker{color:var(--green)}.annotation{background:#eef3f8;border-left:3px solid var(--blue);padding:14px 19px;margin:18px 0;font-size:16px;line-height:1.65}.annotation p{margin:4px 0}.fiction{background:#faf0f2;border-left:3px solid var(--red);padding:12px 17px;font-size:14px;line-height:1.6;color:#6a3040;margin:18px 0}.note{font-size:14px;color:var(--muted);line-height:1.6}.source-note{font-size:13px;color:var(--muted);line-height:1.65;margin-top:10px}.definition{border-left:3px solid #a5b5ad;padding-left:18px}.table-scroll{overflow-x:auto;max-width:100%;margin:18px 0 22px}table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5}th,td{text-align:left;padding:12px 13px;vertical-align:top;border-bottom:1px solid var(--line)}th{font-weight:700;background:var(--soft);color:#32463c}tbody tr:last-child td{border-bottom:2px solid var(--line)}.number{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}details{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:20px 0}details+details{border-top:0}summary{cursor:pointer;font-weight:600;line-height:1.5;padding:5px 0;font-size:16px}.chart{margin:24px 0 32px}.chart img{display:block;width:100%;height:auto;border-radius:3px;aspect-ratio:12/7;object-fit:contain;background:#0e1117}.chart.gap img{aspect-ratio:auto}.chart-toolbar{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:9px}.chart-toolbar span{font-size:13px;color:var(--muted)}.chart-actions{display:flex;gap:5px}.chart-actions a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;color:var(--ink)}.chart-actions button{width:38px;min-height:38px;height:38px}.chart figcaption{font-size:14px;line-height:1.6;margin-top:9px}.chart details{margin:10px 0}.chart-picker{display:flex;flex-wrap:wrap;gap:7px;margin:23px 0}.chart-picker button{font-size:14px}.chart-picker button[aria-pressed=true]{background:var(--green);color:white}.course-areas{border-top:1px solid var(--line);margin:25px 0}.course-area{display:grid;grid-template-columns:46px 210px 1fr 28px;align-items:center;gap:16px;text-decoration:none;color:var(--ink);padding:22px 0;border-bottom:1px solid var(--line)}.course-area:hover{background:var(--soft)}.course-area strong{font-size:19px;line-height:1.4}.course-area p{font-size:15px;line-height:1.5;margin:0;color:var(--muted)}.area-icon{display:grid;place-items:center;width:42px;height:42px;background:var(--pale);color:var(--green);border-radius:5px}.course-area:nth-child(3) .area-icon{background:#f5eaf0;color:var(--red)}.course-area:nth-child(4) .area-icon{background:#eaf0f8;color:var(--blue)}.home-evidence{border-top:1px solid var(--line);margin-top:32px;padding-top:10px}.metrics{display:flex;gap:32px;flex-wrap:wrap;margin:24px 0}.metrics div{padding-right:30px;border-right:1px solid var(--line)}.metrics strong{font-size:30px;font-weight:600;display:block;line-height:1.2}.metrics span{font-size:13px;display:block;color:var(--muted);margin-top:7px}.checklist{display:grid;gap:12px}.checklist label{display:grid;grid-template-columns:20px 1fr;gap:10px;line-height:1.5;font-size:16px;cursor:pointer}.checklist input{width:18px;height:18px;margin-top:4px;accent-color:var(--green)}textarea{display:block;width:100%;min-height:130px;padding:14px;border:1px solid #aebfb5;border-radius:4px;line-height:1.6;margin-top:8px;font-size:17px;resize:vertical}.study-notes{margin-top:40px}.study-notes label{font-size:15px}.endnav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:35px;padding-top:24px;border-top:1px solid var(--line)}.endnav a{display:flex;gap:12px;align-items:center;color:var(--green);text-decoration:none;font-size:15px;line-height:1.4;min-height:50px}.endnav a:last-child{text-align:right;justify-content:flex-end}.endnav small{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.transcript{padding:0;margin:20px 0;list-style:none}.transcript li{display:grid;grid-template-columns:53px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:12px 0;margin:0}.transcript time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.transcript p{margin:0;font-size:16px}.transcript strong{font-size:14px;color:var(--green)}.clip-header{font-size:13px;color:var(--red);font-weight:700}.source-list li{margin-bottom:17px}.source-list small{display:block;color:var(--muted);font-size:14px}.status{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:10px 20px;color:white;background:#243f31;border-radius:5px;font-size:14px;opacity:0;pointer-events:none;z-index:99;transition:opacity .15s}.status.visible{opacity:1}dialog{max-width:min(96vw,1300px);width:96vw;padding:55px 18px 18px;border:1px solid var(--line);border-radius:6px;max-height:94dvh}dialog::backdrop{background:#12231bb8}dialog img{width:100%;height:auto;display:block}dialog p{font-size:14px}.close-dialog{position:absolute;right:10px;top:7px}.empty{color:var(--muted)}.print-only{display:none}.reading h2,.reading h3{scroll-margin-top:112px}.page-toc{font-size:14px;border-bottom:1px solid var(--line);padding-bottom:17px;line-height:1.8}.page-toc a{display:inline-block;margin-right:17px}.evidence-tag{font-size:12px;color:var(--blue);font-weight:700}
main:focus{outline:none}dialog{overflow:auto}dialog img{width:1200px;max-width:none;height:auto}.close-dialog{position:sticky;left:calc(100% - 42px);top:0;margin-top:-45px;margin-bottom:10px;z-index:2;background:white}.status{max-width:calc(100vw - 32px);text-align:center}
@media(min-width:1550px){main{padding-top:42px;padding-left:60px;padding-right:60px}.layout{grid-template-columns:285px minmax(0,1fr)}}
@media(max-width:1050px){.topbar{padding:15px 20px;gap:15px}.topbar nav{gap:15px;font-size:12px}.layout{grid-template-columns:230px minmax(0,1fr)}.sidebar{padding:24px 13px}main{padding:28px 26px 50px}h1{font-size:30px}.course-area{grid-template-columns:40px 1fr 25px}.course-area p{grid-column:2;grid-row:2}.course-area>svg{grid-column:3;grid-row:1/3}.metrics{gap:18px}.metrics div{padding-right:18px}}
@media(max-width:760px){.topbar{min-height:77px;position:sticky;padding:13px 16px;flex-wrap:wrap}.brand{font-size:22px}.brand small{font-size:12px}.brand-mark{height:40px;width:36px;font-size:28px}.topbar nav{order:3;width:100%;gap:16px;overflow-x:auto;white-space:nowrap;border-top:1px solid var(--line);padding-top:6px}.topbar nav a{min-height:35px;font-size:12px}.topbar nav .external{display:none}.mobile-only{display:inline-flex}.layout{display:block}.sidebar{display:none;position:relative;top:0;height:auto;max-height:none;border-right:0;border-bottom:1px solid var(--line);padding:20px}.sidebar.open{display:block}.sidebar-footer{margin-top:18px}.font-buttons{max-width:300px}main{padding:25px 19px 40px;font-size:var(--text-size)}h1{font-size:29px}h2{font-size:23px}h3{font-size:19px}.deck{font-size:18px}.crumb{margin-bottom:19px}.unit-header{padding-bottom:20px}.model{padding-left:15px}.annotation{padding:12px 14px}.metrics{gap:16px}.metrics strong{font-size:25px}.metrics div{padding-right:15px}.metrics div:last-child{border-right:0}.chart-toolbar{align-items:flex-start}.chart-toolbar span{max-width:65%}.chart figcaption{font-size:13px}table{font-size:14px;min-width:530px}th,td{padding:10px}.endnav{gap:12px}.endnav a{font-size:14px}.reading h2,.reading h3{scroll-margin-top:145px}.transcript li{grid-template-columns:43px 1fr;gap:8px}.tools .mode-label{width:100%}.course-area{gap:10px}.course-area strong{font-size:18px}}
:root{--surface:#fff;--annotation:#eef3f8;--fiction-bg:#faf0f2;--fiction-ink:#6a3040;--selected:#dcebe1;--hover:#e5ece7;--solid:#256249;--focus:#a74468;--pink:#f5eaf0;--sky:#eaf0f8}
:root[data-theme=dark]{--ink:#fff;--muted:#d4d7dc;--line:#43474f;--soft:#191b1f;--surface:#101114;--green:#9be8c8;--pale:#182620;--red:#ffabc0;--blue:#8ed0ff;--annotation:#171d24;--fiction-bg:#21191d;--fiction-ink:#ffdae4;--selected:#30343a;--hover:#25282e;--solid:#1f6f50;--focus:#ffd166;--pink:#251a20;--sky:#16212b;color-scheme:dark;background:var(--surface)}
body,.topbar,button,.tools a,.button-link,.sidebar select,textarea,input,dialog,.close-dialog,.skip{background:var(--surface);color:var(--ink)}
.sidebar{background:var(--soft)}.unit-link:hover{background:var(--hover)}.unit-link[aria-current=page]{background:var(--selected)}
.annotation{background:var(--annotation)}.fiction{background:var(--fiction-bg);color:var(--fiction-ink)}th{color:var(--ink)}
.brand-mark,.segments button[aria-pressed=true],.font-buttons button[aria-pressed=true],.chart-picker button[aria-pressed=true]{background:var(--solid);color:#fff;border-color:var(--solid)}
.course-area:nth-child(3) .area-icon{background:var(--pink)}.course-area:nth-child(4) .area-icon{background:var(--sky)}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-color:var(--focus)}
input,select,textarea{border:1px solid var(--line)}.header-actions{display:flex;gap:8px;align-items:center}.theme-switch{flex-shrink:0}
.research-weave{margin:25px 0;padding-top:5px}.research-weave p:not(.source-note):not(.evidence-tag){font-size:var(--text-size)}
.reading .annotation,.reading .transcript p{font-size:var(--text-size)}.reading table{font-size:max(15px,calc(var(--text-size) - 2px))}
.builder-controls{display:flex;flex-wrap:wrap;gap:18px;margin:24px 0}.builder-controls label{display:grid;gap:5px;font-size:15px;min-width:0;max-width:100%}.builder-controls select,.builder-controls input{padding:10px;min-height:44px;max-width:100%}
.builder-inputs input{width:100%;min-width:0;padding:9px}.builder-inputs td:last-child{width:50px}.builder-inputs td:nth-child(2){width:130px}.builder-error{color:var(--red);font-weight:700}.generated-chart{overflow:auto;margin:20px 0;max-width:100%}.generated-chart canvas{display:block;width:100%;min-width:780px;height:auto}.generated-chart img{width:100%;display:block}.builder-caption{font-size:15px;color:var(--muted)}
.table-reproduce{font-size:15px;border-left:3px solid var(--blue);padding:8px 14px}.table-reproduce a{display:inline-flex;align-items:center;gap:7px;min-height:40px}
#builderOutput table{min-width:0}#builderOutput td:last-child{white-space:nowrap;width:110px}.source-note{font-size:14px}input,select,textarea{border-color:#7b8d83}
@media(max-width:760px){.header-actions{margin-left:auto}.topbar nav{gap:16px}.builder-inputs{min-width:0}.builder-controls{display:grid;grid-template-columns:1fr}.builder-controls select{width:100%}.builder-inputs td{padding:8px 4px}.builder-inputs td:nth-child(2){width:100px}.builder-inputs th{padding:8px 4px}}
.cycle-tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:1px solid var(--line);margin:22px 0}.cycle-tabs a{padding:12px 16px;min-height:48px;text-decoration:none;border-bottom:3px solid transparent;color:var(--muted);font-size:15px;line-height:1.5}.cycle-tabs a[aria-current=page]{border-color:var(--green);color:var(--green);background:var(--pale);font-weight:700}.connection-context{font-size:15px;margin:16px 0 0}.connection-context a{display:inline-flex;align-items:center;gap:8px;min-height:40px}.source-connection h3{font-size:18px}.topbar nav a[aria-current=page]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:7px}main p,main h1,main h2,main h3,main td,main th{overflow-wrap:anywhere}.topbar nav{gap:16px}.topbar{gap:16px}.topbar .brand{flex-shrink:0}.cycle-tabs a:focus-visible{outline-offset:-3px}
.gap-app-intro{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;margin:28px 0}.gap-app-intro h2{margin:8px 0 14px}.tools .primary-action{background:var(--solid);border-color:var(--solid);color:#fff}.tools .primary-action:hover{background:var(--solid);text-decoration:underline}.source-navigation{display:flex;flex-wrap:wrap;gap:8px 20px;border-bottom:1px solid var(--line);padding:20px 0 14px;margin:14px 0}.source-navigation a{font-size:14px;padding:6px 0;color:var(--muted)}.source-navigation a[aria-current=page]{color:var(--green);font-weight:700;text-decoration-thickness:2px}.source-reading{min-width:0}.source-reading .source-detail{padding:16px 0}.source-detail>summary{font-size:18px}.source-guidance{border-left:3px solid var(--blue);padding:0 18px;margin:24px 0}.source-table-text{font:14px/1.65 Consolas,monospace;white-space:pre;max-width:100%;overflow:auto;background:var(--soft);color:var(--ink);padding:16px;border:1px solid var(--line);tab-size:4}.source-reading pre:not(.source-table-text){white-space:pre-wrap;overflow-wrap:anywhere}.source-reading h2{font-size:24px}.source-reading h3{font-size:20px}.source-table-block{min-width:0;margin:24px 0}.source-reading .tools{margin-bottom:24px}.source-reading details table{min-width:600px}.source-reading blockquote{border-left:3px solid var(--line);margin:22px 0;padding-left:20px}.source-reading .source-table-text:focus-visible{outline:3px solid var(--focus)}
@media(max-width:760px){.source-navigation{gap:8px 16px}.source-navigation a{font-size:14px}.source-reading .tools a{max-width:100%;white-space:normal}.source-detail>summary{font-size:17px}.source-reading h2{font-size:23px}.source-reading h3{font-size:19px}}
.source-connection,.indicator-connection{border-top:1px solid var(--line);padding:12px 0 24px;margin:28px 0}.source-connection h3,.indicator-connection h3{font-size:22px}.source-connection h4,.indicator-connection h4{font-size:16px;margin:20px 0 8px;color:var(--green)}.source-connection,#saved-narrative{scroll-margin-top:160px}
.tutorial-reading>section{scroll-margin-top:160px}.tutorial-reading h2{max-width:800px}.tutorial-handoff,.tutorial-research{border-left:3px solid var(--blue);padding:0 0 0 20px;margin:26px 0}.tutorial-handoff h3,.tutorial-research h3{font-size:18px;margin:0 0 8px}.tutorial-handoff p,.tutorial-research p{margin:8px 0}.tutorial-research{border-color:var(--green)}.tutorial-sidebar-link{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;border-bottom:1px solid var(--line);padding:10px 9px;margin-bottom:10px;font-weight:600}.tutorial-reading .gap-app-intro{padding:6px 0 14px;margin:18px 0}.tutorial-reading em{font-style:normal;font-weight:600}
@media(min-width:761px) and (max-width:1190px){.topbar{flex-wrap:wrap}.topbar nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;white-space:nowrap}.header-actions{margin-left:auto}.sidebar{top:142px;height:calc(100dvh - 142px)}}
@media(max-width:760px){.cycle-tabs{display:grid;grid-template-columns:1fr}.cycle-tabs a{padding:10px 12px}.connection-context a{max-width:100%;line-height:1.5}.source-connection h3{font-size:18px}}
@media print{:root,:root[data-theme=dark]{--ink:#111;--muted:#333;--surface:#fff;--soft:#eee;--line:#aaa;--green:#21583f;--blue:#234f75;--red:#71334b;--fiction-ink:#44242f;--annotation:#fff;--fiction-bg:#fff;background:#fff;color-scheme:light}.topbar,.sidebar,.tools,.endnav,.study-notes,.page-toc,.chart-actions,.chart-picker,.skip,.status,.mobile-only,.builder-controls,.builder-inputs,.table-reproduce{display:none!important}.layout{display:block}main{padding:0;max-width:none;font-size:11pt;line-height:1.5}h1{font-size:22pt}h2{font-size:17pt}h3{font-size:14pt}.deck{font-size:12pt}.print-only{display:block}.unit-header{break-after:avoid}.reading>section{break-inside:auto}.chart,.annotation,.model,.transcript li{break-inside:avoid}.chart img{max-height:16cm;object-fit:contain}.table-scroll{overflow:visible}table{font-size:9pt;min-width:0}thead{display:table-header-group}a{color:inherit}.fiction,.annotation{background:none}.print-unit{break-before:page}.print-unit:first-child{break-before:auto}details{display:block}details:not([open])>*:not(summary){display:block!important}.generated-chart canvas{min-width:0}.reading .annotation,.reading .transcript p,.research-weave p:not(.source-note):not(.evidence-tag){font-size:11pt}}