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:root{--ink:#122d3b;--muted:#526a74;--paper:#f6f5ef;--line:#c8d3d3;--teal:#187b80;--rust:#a74f24;--dark:#102d3b;--white:#fff;--serif:Georgia,'Times New Roman',serif;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-size:17px;line-height:1.65}*{box-sizing:border-box}body{margin:0}a{color:var(--teal);text-underline-offset:4px}a:hover{color:var(--rust)}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}:focus-visible{outline:3px solid #c56726;outline-offset:4px}.shell{max-width:1240px;margin:auto;padding-inline:32px}.eyebrow{font:700 .76rem/1.6 Arial,sans-serif;letter-spacing:.13em;text-transform:uppercase;color:var(--teal)}.topline{background:var(--dark);color:#d5e8e9;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;padding:9px 0}.topline 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small{font-size:.78rem;color:var(--muted)}.status{display:inline-block;padding:7px 12px;border:1px solid;font-weight:700;font-size:.9rem}.good{background:#e0eeea;color:#17655b}.alert,#tool-error{background:#fbebdf;color:#8b390e}#tool-error{padding:22px;border:1px solid #be6d36}#constraint{display:block;font-size:.85rem}.chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}#cost-chart svg{width:100%;height:auto}.import-label{max-width:310px}.import-label input{font-size:.8rem}.search-dialog{width:min(680px,calc(100% - 30px));max-height:80vh;border:1px solid var(--line);background:var(--paper);padding:28px;color:var(--ink)}dialog::backdrop{background:#102d3bb3}.dialog-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.dialog-head h2{font-size:1.5rem}.search-results a{display:block;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none}.search-results span{display:block;font-size:.8rem;color:var(--muted)}[hidden]{display:none!important}code{font-size:.87em;overflow-wrap:anywhere}pre{white-space:pre-wrap;word-break:break-word;background:#e3eae6;padding:20px}.download-row{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;border-bottom:1px solid var(--line);padding:25px 0}.download-row h3{margin:0}.download-row p{margin:.5em 0}.large-list{max-width:850px}
.hero .sheet p{color:#d9ebeb}.tool-layout{grid-template-columns:minmax(0,1fr)}.tool-panel,.chart-grid>*{min-width:0}
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@media(max-width:760px){:root{font-size:16px}.shell{padding-inline:20px}.topline .shell span:last-child{display:none}.mast{flex-wrap:wrap;position:relative;padding-block:17px}.mast .brand{font-size:1.15rem}.mobile{display:inline-block}.mast nav{display:none;order:3;flex-basis:100%;flex-direction:column;align-items:stretch;padding:15px;background:#e5ede9}.mast nav.open{display:flex}.nav-actions{margin-left:auto}.hero{grid-template-columns:1fr;padding-block:35px;gap:25px}.sheet{box-shadow:6px 6px 0 #dce5e1;padding:25px}.topics,.grid,.case-grid,.feature,.chart-grid,.footer-grid{grid-template-columns:1fr}.feature{padding:24px;gap:10px}.feature aside{border-left:0;padding-left:0;border-top:1px solid #9fb6b1;padding-top:15px}.topics{gap:20px}.topic p{margin-bottom:0}.section{padding-block:30px}.section-top{align-items:start;flex-direction:column;gap:0}.article-layout{display:block}.toc{position:static;margin-bottom:24px}.toc a{padding:3px 0}.intro{padding-block:35px 25px}.filters{flex-direction:column;align-items:stretch;gap:15px}.rows a{grid-template-columns:1fr 25px;gap:7px}.rows small{grid-column:1/-1}.rows h3{font-size:1.4rem}.tool-panel{padding:20px}.result-stats{grid-template-columns:repeat(2,1fr);gap:22px}.result-stats strong{font-size:1.5rem}.controls{gap:15px}.download-row{grid-template-columns:1fr;gap:0}.footer-grid{gap:25px}.table-wrap{margin-inline:0}.prose h2{font-size:1.75rem}.prose{overflow-wrap:anywhere}.button{padding:12px 15px}.sheet .large{font-size:2.5rem}}