@import url('foundation.css?v=1.1.0');
:root{--gold:#947021;--gold-soft:#f6f1e4;--paper:#fbfcfd;--blue:#365dca}
body{font-size:18px;line-height:1.8}header{flex-wrap:wrap}.series,.sibling{font-size:14px}.layout{grid-template-columns:220px minmax(0,880px);gap:52px;max-width:1270px}aside{font-size:14px}aside nav a,aside .chapter-nav a{font-size:14px;line-height:1.5}aside .nav-label,aside summary,.eyebrow{font-size:12px;letter-spacing:1.3px}aside .edition{font-size:12px;line-height:1.7}h1{font-size:clamp(37px,5vw,57px)}h2{font-size:32px}h3{font-size:24px}.lead{font-size:20px;color:#4e6071}.gold{color:var(--gold)}.small,.sources,figcaption,footer{font-size:14px;line-height:1.65}.sources a{font-size:14px}.intro-note{border-left:3px solid var(--gold);padding:10px 0 10px 24px;margin:28px 0}.intro-note p:last-child{margin:0}.kicker{display:flex;gap:12px;align-items:center;font:12px/1.5 Arial,sans-serif;color:var(--muted);letter-spacing:1px}.kicker:before{content:'';width:34px;height:2px;background:var(--gold)}.chapter-row p{font-size:15px}.chapter-row>span{font-size:14px}.chapter-row h3{font-size:25px}.pill{font:13px/1.5 Arial,sans-serif;display:inline-block;padding:4px 9px;background:#eaf0f8;color:#3a5172}.pill.gold{background:var(--gold-soft);color:#72510a}.formula{margin:28px 0;padding:23px 24px;border-left:3px solid var(--gold);background:#f5f7fa;overflow-x:auto}.formula .equation{font:24px/1.7 Georgia,serif;white-space:nowrap;color:#213647}.formula p{font:15px/1.8 Arial,sans-serif;margin:12px 0 0;color:var(--muted)}.formula code{font-size:14px;white-space:normal}table,td,th{font-size:14px;line-height:1.65}.table-scroll{border-top:1px solid var(--line)}td:first-child{min-width:120px}.diagram{padding:18px;background:white;border:1px solid var(--line);margin:30px 0}.diagram img{width:100%;height:auto;display:block}.diagram figcaption{font:14px/1.6 Arial,sans-serif;color:var(--muted);margin-top:15px}.editorial{margin:30px 0}.editorial img{width:100%;height:auto;display:block;aspect-ratio:3/2;object-fit:cover}.editorial figcaption{font:14px/1.6 Arial,sans-serif;margin-top:10px;color:var(--muted)}.lab{background:#f2f5fa;padding:26px;border:1px solid #cfd9e5}.lab .eyebrow{color:var(--gold)}.lab h2,.lab h3{border:0;margin:0 0 18px;padding:0}.lab .inputs{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px}label{font-size:15px;color:#485c70}.lab label input{margin-top:9px}.lab input[type=range]{height:28px;accent-color:var(--blue);padding:0;border:0}.lab output.value{float:right;color:var(--blue);font:18px/1.5 Georgia,serif}.metrics{gap:18px}.metric span{font-size:14px}.metric b{font-size:30px}.chart{overflow-x:auto;margin:22px 0}.chart svg{display:block;width:100%;min-width:420px;height:auto}.chart text{font-family:Arial,sans-serif}.lab-status{font:15px/1.7 Arial,sans-serif;border-top:1px solid #c9d5e2;padding-top:16px;color:#40586c}.lab-status.bad{color:#964429}.lab-status.good{color:#2c6554}.caption{font:14px/1.6 Arial,sans-serif;color:var(--muted)}.inline-links{display:flex;gap:14px 24px;flex-wrap:wrap;font:15px/1.7 Arial,sans-serif;margin:24px 0}.inline-links a{text-decoration-thickness:1px}.outline{border-top:1px solid var(--line);margin-top:30px}.outline a{padding:19px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:32px 1fr;gap:16px;text-decoration:none}.outline small{font:13px/1.5 Arial,sans-serif;color:var(--muted)}.outline b{display:block;font:25px/1.35 Georgia,serif;color:var(--ink);margin-bottom:5px}.outline p{font:15px/1.7 Arial,sans-serif;margin:0;color:var(--muted)}.note{font-size:17px;background:#f5f1e8;padding:18px 22px;border-left:2px solid #b48e37;margin:25px 0}.note p:last-child{margin:0}.exercise{padding:22px 0;border-bottom:1px solid var(--line)}.exercise summary{font-size:19px;color:var(--ink)}.exercise>div{padding-top:18px}.exercise p{margin-bottom:12px}.chapter-turn{border-top:1px solid var(--line);padding:24px 0;display:flex;gap:24px;justify-content:space-between;font:15px/1.7 Arial,sans-serif}.code{background:#edf2f7;padding:22px;overflow:auto;font:14px/1.65 ui-monospace,monospace;white-space:pre;tab-size:2}.quiz-question{border-bottom:1px solid var(--line);padding:26px 0;min-width:0}.quiz-question legend{font:22px/1.45 Georgia,serif;margin-bottom:16px;padding:0}.quiz-question label{display:flex;gap:13px;color:var(--ink);border:1px solid var(--line);padding:13px 16px;background:white;cursor:pointer}.quiz-question label:has(input:checked){border-color:var(--blue);background:#f1f5fd}.quiz-question input{width:18px;min-width:18px;accent-color:var(--blue);margin:2px 0 0;align-self:start;min-height:20px}.quiz-question .feedback{font:15px/1.75 Arial,sans-serif;margin:16px 0 0;padding:14px;background:#f0f4f8}.feedback[data-ok=true]{border-left:3px solid #397258}.feedback[data-ok=false]{border-left:3px solid #b05639}.quiz-question[hidden]{display:none}.quiz-toolbar{display:flex;gap:12px;flex-wrap:wrap;padding:18px 0}.quiz-result{font:24px/1.6 Georgia,serif}.source-entry{padding-bottom:20px;border-bottom:1px solid var(--line)}.source-entry h2{margin:25px 0 12px;border:0;padding:0}.source-entry .source-meta{font:13px/1.7 Arial,sans-serif;color:#69778a}.source-entry p{font-size:17px}.source-entry a{overflow-wrap:anywhere}.term-list dt{font-weight:bold;font-size:19px;margin:24px 0 4px}.term-list dd{margin:0;color:#526477}.read-button{font-size:15px}.error{color:#9b3f2b}.success{color:#2b684f}main>ul,main>ol{padding-left:23px}li{margin:8px 0}.compact-list{font:15px/1.8 Arial,sans-serif}noscript{display:block;padding:12px;background:#f5ecd5;font:15px/1.6 Arial,sans-serif}.downloads a{display:block;padding:18px 0;border-bottom:1px solid var(--line);font:20px/1.5 Georgia,serif}.downloads small{display:block;font:14px/1.65 Arial,sans-serif;color:var(--muted)}button:disabled{opacity:.55;cursor:default}.read-button[aria-pressed=true]{background:#e8f1ed}.all-book .book-chapter{border-top:2px solid var(--line);padding-top:35px;margin-top:60px}
@media(min-width:721px){aside{top:20px;max-height:calc(100dvh - 45px)}aside .contents{max-height:calc(100dvh - 150px)}aside .edition{margin-top:10px}}
@media(max-width:1000px){.layout{grid-template-columns:180px minmax(0,1fr);gap:28px;padding:32px 24px}.lab{padding:20px}.formula{padding:20px 16px}.formula .equation{font-size:21px}}
@media(max-width:720px){.layout{display:block;padding:24px 20px}header{padding:16px 20px}.sibling{font-size:14px}.lead{font-size:19px}aside .contents{max-height:240px}aside nav{grid-template-columns:1fr 1fr}aside .chapter-nav{grid-template-columns:1fr}.lab .inputs{grid-template-columns:1fr}.lab{margin-left:0;margin-right:0}.metrics{grid-template-columns:1fr 1fr;gap:15px}.metric b{font-size:26px}.formula{margin-left:0;margin-right:0}.diagram{padding:10px}.outline b{font-size:23px}h2{font-size:29px}.table-scroll td,.table-scroll th{font-size:14px}.quiz-question legend{font-size:21px}.chapter-turn{flex-direction:column}footer{font-size:14px}.editorial{margin-left:-5px;margin-right:-5px}.editorial figcaption{padding:0 5px}}
@media print{.lab,.quiz-toolbar,.inline-links,.read-button,.chapter-turn{display:none}.formula{break-inside:avoid}.diagram{break-inside:avoid}.all-book .book-chapter{break-before:page}.layout{display:block;max-width:none}.code{white-space:pre-wrap}body{font-size:11pt}}
.check-control{display:flex;align-items:flex-start;gap:12px;padding:12px 0}.check-control input[type=checkbox]{width:19px;min-width:19px;height:19px;margin:3px 0;accent-color:var(--blue)}.chart img{display:block;width:100%;height:auto}fieldset.quiz-question{border:0;border-bottom:1px solid var(--line);margin:0;min-width:0}.quiz-result:empty{display:none}