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@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Multi-page navigation and overview. */
a.constant-link,a.constant-cell,a.chip,a.button,.explorer-home{text-decoration:none}.sidebar{overflow-y:auto}.sidebar-foot a{color:#b1cac8;text-decoration:none}.sidebar-foot small{margin-left:0}.explorer-home{color:var(--ink);font-weight:500}.view-nav a{display:inline-block;position:relative;text-decoration:none;font-size:12px;color:var(--muted);padding:0 0 14px;white-space:nowrap}.view-nav a.active{color:var(--teal);font-weight:600}.view-nav a.active:after{content:"";position:absolute;bottom:-1px;height:3px;left:0;right:0;background:var(--teal)}.view-nav{overflow-x:auto}.overview-intro{display:flex;justify-content:space-between;gap:35px;align-items:center;padding:28px 32px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(120deg,#fff,#eaf4ef);margin-bottom:21px}.overview-intro h2{font:34px/1.22 var(--serif);letter-spacing:-.7px}.overview-intro p{font-size:12px;line-height:1.85;max-width:650px;margin:15px 0 0}.overview-stat{flex-shrink:0;text-align:right;border-left:1px solid #c9ded5;padding-left:35px}.overview-stat strong{display:block;font:66px/1 var(--serif);color:var(--teal)}.overview-stat span{display:block;font-size:11px;margin:10px 0}.overview-stat small{display:block;font-size:10px;line-height:1.7;color:var(--muted)}.constant-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.constant-card{display:flex;flex-direction:column;padding:23px;border:1px solid var(--line);border-radius:9px;background:#fff;text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}.constant-card:hover{border-color:#93bfae;box-shadow:0 5px 18px #12343a0a}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.card-symbol{font:39px/1.2 var(--serif);color:var(--teal)}.card-number{font:11px ui-monospace,monospace;color:#8b9e9a}.constant-card h3{font-size:16px;margin-bottom:10px}.constant-card p{font-size:11px;line-height:1.75;flex:1}.card-value{padding:13px 0;margin-top:6px;border-top:1px solid var(--line)}.card-value>span{display:block;font-size:9px;color:var(--muted);margin-bottom:5px}.card-value strong{font:17px var(--serif);overflow-wrap:anywhere}.card-value small{font:10px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--muted)}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:5px}.card-bottom>span:last-child{color:var(--teal);font-size:18px}.home-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.no-script{padding:15px;border:1px solid #ebd5a6;background:#fffbf1;border-radius:6px}.chip:hover,.constant-cell:hover{text-decoration:underline}
@media(max-width:1220px){.constant-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.overview-intro{padding:24px}.overview-intro h2{font-size:30px}}
@media(max-width:760px){.overview-intro{padding:21px;gap:16px}.overview-intro h2{font-size:27px}.overview-stat{display:none}.view-nav{gap:20px}.view-nav a{font-size:10px}.constant-cards{gap:12px}.constant-card{padding:18px}.constant-card h3{font-size:14px}.overview-intro p{font-size:11px}}
@media(max-width:480px){.constant-cards{grid-template-columns:1fr}.view-nav{gap:16px}}
/* Expanded derivation guides. These styles do not affect the numerical engine. */
.derivation-guide{padding:27px 26px 31px;line-height:1.8;overflow-wrap:anywhere}.derivation-guide .guide-question{font:25px/1.35 var(--serif);margin:0 0 16px;letter-spacing:-.3px}.derivation-guide .guide-summary{font-size:14px;line-height:1.85;color:#35564f;background:#edf6f1;border-left:3px solid var(--teal);padding:15px 18px;margin-bottom:17px}.derivation-guide h3{font-size:17px;line-height:1.45;margin:29px 0 13px;color:var(--ink)}.derivation-guide h4{font-size:14px;line-height:1.6;margin:0 0 9px;color:var(--ink)}.derivation-guide p{font-size:13px;line-height:1.85;margin:0 0 14px;color:#526a70}.derivation-guide a{text-underline-offset:3px}.derivation-guide .eyebrow{margin-bottom:13px}.guide-foundation-link{font-size:11px!important;padding-bottom:17px;border-bottom:1px solid var(--line)}.derivation-step{display:flex;gap:13px;margin:20px 0;padding-bottom:14px;border-bottom:1px solid #e7eeeb}.derivation-step>div{min-width:0;flex:1}.step-number{flex-shrink:0;width:25px;height:25px;background:var(--pale);color:var(--teal);border:1px solid #bfd8cc;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:600;margin-top:2px}.guide-equation{font:17px/1.95 var(--serif);background:#f5f8f6;border:1px solid #dfe9e3;border-radius:6px;padding:13px 16px;margin:12px 0 16px;color:#244b43;overflow-wrap:anywhere}.guide-equation sup,.guide-equation sub{line-height:0;font-size:70%}.guide-note{padding:16px 18px;background:#fff9ea;border:1px solid #eddbad;border-radius:7px;margin:22px 0}.guide-note>strong{display:block;color:#8c621a;font-size:13px;margin-bottom:7px}.guide-note p{color:#816a42;font-size:12px;margin:0}.guide-figure{margin:25px 0;background:#fbfdfc;border:1px solid #dfe9e4;border-radius:8px;overflow:hidden}.guide-figure>a{display:block;overflow-x:auto}.guide-figure img{display:block;width:100%;height:auto;min-width:600px}.guide-figure figcaption{border-top:1px solid var(--line);padding:12px 15px;font-size:11px;color:var(--muted);line-height:1.8}.guide-figure figcaption a{white-space:nowrap;font-size:10px;margin-left:5px}.guide-source{font-size:10px!important;color:#7b8e8a!important;margin:20px 0 0!important;padding-top:12px;border-top:1px solid var(--line)}.foundations-guide{max-width:1000px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:10px;padding:34px 42px}.foundations-guide>h2{font:34px/1.25 var(--serif);margin:0 0 18px}.foundations-guide h3{margin-top:35px}.guide-table-wrap{overflow-x:auto;margin:18px 0 22px;border:1px solid var(--line);border-radius:7px}.guide-table{width:100%;min-width:520px;border-collapse:collapse;text-align:left;font-size:12px}.guide-table th{background:#edf5f1;font-size:11px;color:#476d61;padding:12px 14px}.guide-table td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top;color:var(--muted)}.guide-table td:first-child{color:var(--ink);font-weight:500;min-width:100px}.guide-reading{padding-left:21px;color:var(--muted);font-size:13px;line-height:1.8}.guide-reading li{padding-left:4px;margin:11px 0}.overview-foundation{display:grid;grid-template-columns:1.1fr 1fr;gap:25px;padding:25px;margin:0 0 22px;border:1px solid var(--line);border-radius:9px;background:#fff;align-items:center}.overview-foundation h3{font:25px/1.3 var(--serif);margin-bottom:12px}.overview-foundation p{font-size:12px;line-height:1.85}.overview-foundation img{width:100%;height:auto;display:block}.overview-foundation .button{display:inline-block;margin-top:6px}.source-addition{margin-top:18px}.tabs{gap:20px;flex-wrap:wrap}.tabs button{font-size:10px}.view-nav{gap:22px}.lab{scroll-margin-top:18px}
@media(min-width:1051px){.explore-grid:has(.derivation-guide) .lab{position:sticky;top:18px}.derivation-guide{padding:28px}.guide-figure{margin-left:-12px;margin-right:-12px}}
@media(max-width:1050px){.overview-foundation{grid-template-columns:1fr}.overview-foundation>a{max-width:700px;justify-self:center}.derivation-guide{padding:25px}.foundations-guide{padding:30px}}
@media(max-width:760px){.derivation-guide{padding:21px 17px}.derivation-guide .guide-question{font-size:23px}.derivation-guide h3{font-size:17px}.derivation-guide p{font-size:13px}.derivation-guide .guide-summary{font-size:13px;padding:13px}.guide-equation{font-size:16px;padding:12px}.derivation-step{gap:9px}.step-number{width:22px;height:22px}.foundations-guide{padding:24px 18px}.foundations-guide>h2{font-size:28px}.guide-figure{margin-left:0;margin-right:0}.overview-foundation{padding:20px;gap:14px}.overview-foundation .button{white-space:normal}.tabs{gap:16px;padding:0 15px}.tabs button{font-size:10px;padding:12px 0}.view-nav{gap:17px}.guide-source{font-size:10px!important}}
@media print{.sidebar,.topbar,.heading-tools,.view-nav,.lab,.tabs,.main-foot,#toast{display:none!important}.workspace{margin:0}main{padding:0}.explore-grid{display:block}.guide-figure img{min-width:0}.derivation-guide{padding:0;font-size:11pt}.guide-figure,.guide-note,.guide-equation{break-inside:avoid}.foundations-guide{border:0;max-width:none}.derivation-guide p{font-size:11pt}.constant-hero{border:0}}