:root{--ink:#193d32;--green:#174d3d;--muted:#586a61;--line:#d9e1d9;--paper:#f6f7f1;--gold:#ddc58c}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.55 'Segoe UI',Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #bd8d20;outline-offset:4px}[hidden]{display:none!important}.preview{background:#e5dcc1;padding:7px 4%;font-size:15px;color:#584724;display:flex;justify-content:space-between}.header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 4%;background:#fff;border-bottom:1px solid 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@media(min-width:1500px){body{font-size:19px}[role=tabpanel]{padding:28px 36px}}
@media(max-width:1100px){nav{gap:15px}.header{gap:16px}.brand{font-size:16px}.workspace{grid-template-columns:170px minmax(0,1fr);gap:18px}.tabs{gap:6px;padding:0 12px}.tabs button{font-size:15px}.pack-grid{grid-template-columns:1fr}.pack-card svg{max-height:300px}.families h3{font-size:19px}.flow{gap:22px 16px}.flow li{padding:15px}.flow li:not(:last-child):after{right:-16px}.flow li:nth-child(3):after{right:20px}h2{font-size:27px}}
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.workspace{scroll-margin-top:100px}.all-categories{border-top:1px solid var(--line);margin-top:22px}.category-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.category-links a{border:1px solid var(--line);border-radius:5px;padding:10px;font-size:14px}.category-links a:hover{background:#edf1e8}.category-links small{display:block;color:#876d3c;font-size:11px;margin-top:3px}.category-links a:first-child small{color:var(--green)}.tabs{gap:10px}.tabs button{font-size:16px}.learn-entry{color:var(--green);font-weight:600}.learn-toolbar{display:flex;align-items:end;justify-content:space-between;gap:20px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:24px}.learn-toolbar label{display:block;font-size:14px;color:var(--muted);flex:1}.learn-toolbar select{display:block;margin-top:7px;padding:12px;background:var(--paper);border:1px solid #bdcabd;border-radius:5px;font:17px 'Segoe UI',Arial,sans-serif;color:var(--ink);width:100%;max-width:540px}.language-button{border:1px solid #bdcabd;background:white;color:var(--ink);border-radius:5px;padding:11px 15px;white-space:nowrap;font-size:16px}.learn-heading{display:flex;justify-content:space-between;align-items:center;gap:18px}.planned{background:#f2ede1;color:#876d3c}.learn-nav{display:flex;gap:12px;margin:22px 0;border-bottom:1px solid var(--line)}.learn-nav button{background:none;border:0;border-bottom:3px solid transparent;padding:10px 14px;font-size:16px;color:var(--muted)}.learn-nav button[aria-pressed=true]{color:var(--green);font-weight:600;border-color:var(--green)}.learn-overview{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:start}.learn-overview figure{margin:0}.learn-overview img{display:block;width:100%;height:auto;border-radius:6px}.learn-overview figcaption{font-size:12px;color:var(--muted);margin-top:8px}.learn-overview p{font-size:17px;color:var(--muted);margin:0 0 18px}.learn-overview h3{font-size:18px;margin:0 0 6px}.text-button{background:none;border:0;color:var(--green);font-weight:650;padding:0;font-size:17px}.learn-status{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#f4f5ec;margin-top:22px;border-radius:6px;padding:15px 18px;font-size:15px}.learn-status a{font-weight:600;white-space:nowrap}.parameter-list{margin-top:16px}.parameter-list details{border:1px solid var(--line);border-radius:6px;padding:14px 18px;margin:10px 0}.parameter-list summary{font-size:18px}.parameter-list summary b{display:inline-block;color:var(--green);min-width:120px;font-size:16px}.parameter-list summary span{color:var(--muted);font-size:17px}.parameter-list p{font-size:18px;margin:14px 0 8px}.parameter-list small{font-size:14px;color:#866935}.selection-copy{max-width:830px}.selection-copy>p{font-size:18px;color:var(--muted)}.reading{padding-left:22px}.reading li{margin:12px 0;font-size:16px}.reading a{text-decoration:underline;text-underline-offset:4px}
@media(min-width:801px){.flow li:nth-child(4){grid-column:3;grid-row:2}.flow li:nth-child(5){grid-column:2;grid-row:2}.flow li:nth-child(6){grid-column:1;grid-row:2}.flow li:nth-child(4):after,.flow li:nth-child(5):after{content:'←';left:-20px;right:auto}.flow li:nth-child(3):after{display:block!important;content:'↓';right:20px;top:auto;bottom:-30px}}
@media(max-width:1100px){.header nav{gap:12px;font-size:15px}.tabs{gap:0}.tabs button{font-size:15px;padding:16px 7px}.category-links{grid-template-columns:repeat(2,minmax(0,1fr))}.learn-overview{grid-template-columns:1fr}.learn-overview img{max-height:280px;object-fit:contain;background:var(--paper)}.learn-heading{flex-wrap:wrap}.flow li:nth-child(3):after{display:none}}
@media(max-width:800px){.tabs{flex-wrap:wrap;justify-content:start;position:static}.tabs button{flex:1 0 30%;font-size:15px}.learn-toolbar{gap:10px}.learn-toolbar select{font-size:16px;padding:10px 5px}.language-button{padding:10px}.learn-nav{gap:0}.learn-nav button{padding:10px 8px;font-size:15px}.learn-status{flex-wrap:wrap}.parameter-list summary b{min-width:0;display:block;margin-bottom:4px}.learn-overview p{font-size:18px}.learn-heading h2{font-size:26px}.workspace{scroll-margin-top:95px}main{padding:0 4%}.preview+.header{position:sticky}.intro{padding:24px 0}.content{margin-top:16px}.category-links a{font-size:15px}}
@media(prefers-reduced-motion:no-preference){button,a{transition:background-color .15s,color .15s}}
.learn-overview img.application-photo{aspect-ratio:3/2;object-fit:cover;max-height:none}.concept-image{margin-top:15px;font-size:14px;color:var(--muted)}.concept-image figure{margin-top:12px}