:root{color-scheme:light dark;--bg:#f8f7f3;--ink:#202727;--muted:#596360;--line:#d6ded9;--accent:#126557;--panel:#edf2ed}
@media(prefers-color-scheme:dark){:root{--bg:#151b1a;--ink:#e5ece8;--muted:#aabbb1;--line:#3d4a43;--accent:#91d2ba;--panel:#212c26}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:19px/1.75 Georgia,serif}a{color:var(--accent);text-underline-offset:.18em}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
.site-header,footer{max-width:1100px;margin:auto;padding:25px 28px;display:flex;justify-content:space-between;gap:20px;font:15px/1.5 system-ui,sans-serif}.site-header{border-bottom:1px solid var(--line)}.site-header>a{font-weight:700;text-decoration:none}.site-header nav{display:flex;gap:22px}main{max-width:790px;margin:64px auto 90px;padding:0 28px}h1,h2,h3{font-family:system-ui,sans-serif;line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(2.15rem,5vw,3.4rem);margin:.4em 0 .7em}h2{font-size:1.65rem;margin-top:2.4em}h3{font-size:1.25rem}.kicker,.status{font:14px/1.6 system-ui,sans-serif;color:var(--muted)}.kicker{text-transform:uppercase;letter-spacing:.09em}.lede{font-size:1.45rem;line-height:1.55}.status{padding:18px;background:var(--panel);border-left:3px solid var(--accent)}.essay-list{padding-left:1.4em}.essay-list li{padding:10px 0 22px;border-bottom:1px solid var(--line)}.essay-list p{margin-bottom:0;color:var(--muted)}.table-scroll{overflow-x:auto;max-width:100%;margin:25px 0}table{width:100%;border-collapse:collapse;font:15px/1.6 system-ui,sans-serif}th,td{text-align:left;vertical-align:top;padding:12px;border-bottom:1px solid var(--line);min-width:130px}th{background:var(--panel)}blockquote{border-left:3px solid var(--accent);margin:28px 0;padding:1px 22px;font-style:italic}code{font-size:.85em;overflow-wrap:anywhere}pre{overflow:auto}p,li{overflow-wrap:break-word}hr{border:0;border-top:1px solid var(--line);margin:48px 0}.pager,.practice-actions{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;margin-top:45px;padding-top:22px;border-top:1px solid var(--line);font:16px/1.6 system-ui,sans-serif}button{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);padding:8px 15px;cursor:pointer}footer{border-top:1px solid var(--line);color:var(--muted)}.skip{position:absolute;left:20px;top:-100px;background:var(--bg);padding:12px}.skip:focus{top:10px}
@media(max-width:600px){body{font-size:18px}.site-header{flex-direction:column;padding:18px 20px}main{margin:36px auto 60px;padding:0 20px}footer{flex-direction:column;padding:20px}th,td{padding:10px}}
@media print{.site-header,footer,.pager,.practice-actions,.skip{display:none}body{background:white;color:black;font-size:11pt}main{max-width:none;margin:0;padding:0}.table-scroll{overflow:visible}th,td{min-width:0;color:black}a{color:black}h1{font-size:24pt}h2{break-after:avoid}}

.diagram{margin:32px 0}.diagram svg{display:block;max-width:100%;height:auto}.diagram figcaption{font:14px/1.6 system-ui,sans-serif;color:var(--muted);margin-top:10px}