.teach .idl-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px 18px;margin:-6px 0 18px;font-size:14px;display:flex}.teach .idl-meta b{color:var(--ink);font-weight:600}.teach .idl-meta .btn{min-height:36px;padding:6px 12px;font-size:14px}.teach .idl-wrap{grid-template-columns:minmax(0,720px) minmax(220px,280px);align-items:start;gap:48px;display:grid}.teach .idl-wrap--guide{grid-template-columns:minmax(0,720px) minmax(220px,280px)}.teach .idl-wrap--guide .idl-rail{grid-area:1/2}.teach .idl-wrap--guide .idl-main{grid-area:1/1}.teach .idl-rail{flex-direction:column;gap:16px;max-height:calc(100vh - 32px);font-size:15px;display:flex;position:sticky;top:16px;overflow:auto}.teach .idl-rail .teach-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.teach .idl-jump{font-family:var(--font-ui);margin:0 0 1em;font-size:15px}.teach .idl-list{margin:0 0 1.4em;padding:0;list-style:none}.teach .idl-item{border-top:1px solid var(--rule);break-inside:avoid;padding:14px 0 12px;scroll-margin-top:16px}.teach .idl-item h3{font:600 19px/1.3 var(--font-ui);align-items:baseline;gap:10px;margin:0 0 .3em;display:flex}.teach .idl-n{border:1px solid var(--rule);background:var(--tint);font-variant-numeric:tabular-nums;text-align:center;border-radius:6px;flex:none;min-width:2.1em;padding:1px 6px;font-size:15px}.teach .idl-sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.teach .idl-item p{margin:0 0 .4em}.teach .idl-facts{font-family:var(--font-ui);color:var(--muted);flex-wrap:wrap;gap:4px 18px;font-size:14px;display:flex}.teach .idl-facts b{color:var(--ink);font-weight:600}.teach .idl-faq{margin:0}.teach .idl-faq>div{border-top:1px solid var(--rule);padding:10px 0}.teach .idl-faq dt{font:600 17px/1.35 var(--font-ui);margin-bottom:4px}.teach .idl-faq dd{margin:0}.teach .idl-sources{font-size:16px}.teach .idl-small{font-family:var(--font-ui);color:var(--muted);border-top:1px solid var(--rule);margin-top:28px;padding-top:12px;font-size:14px}.teach .idg-toc ol{flex-direction:column;gap:6px;margin:0;padding-left:1.4em;display:flex}.teach .idg-ch{scroll-margin-top:16px}.teach .idg-chn{min-width:1.6em;color:var(--muted);font-variant-numeric:tabular-nums;display:inline-block}.teach .idg-note{background:var(--tint);border-left:4px solid var(--accent);font-family:var(--font-ui);border-radius:4px;margin:0 0 1em;padding:10px 14px;font-size:16px}.teach .idg-say{border:1px solid var(--rule);background:var(--card);border-radius:6px;margin:0 0 1em;padding:10px 16px;font-style:italic}.teach .idg-say-label{font:600 12px/1.4 var(--font-ui);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:2px;font-style:normal;display:block}.teach .idg-check{margin:0 0 1em;padding:0;list-style:none}.teach .idg-check li{align-items:flex-start;gap:10px;padding:4px 0;display:flex}.teach .idg-box{border:2px solid var(--ink);border-radius:3px;flex:none;width:18px;height:18px;margin-top:.3em}.teach .idg-index{max-width:820px;margin:0;padding:0;list-style:none}.teach .idg-index li{border-top:1px solid var(--rule);padding:14px 0}.teach .idg-index a{font-size:19px;font-weight:600}.teach .idg-index p{color:var(--muted);margin:4px 0 0}@media (max-width:960px){.teach .idl-wrap,.teach .idl-wrap--guide{grid-template-columns:minmax(0,1fr);gap:24px}.teach .idl-wrap--guide .idl-rail,.teach .idl-wrap--guide .idl-main{grid-area:auto/1}.teach .idl-rail{max-height:none;position:static;overflow:visible}}@media print{@page{size:letter;margin:.6in}.teach .idl-rail,.teach .teach-crumbs{display:none!important}.teach .idl-wrap{display:block}.teach .idl-main{max-width:none;font-size:12pt;line-height:1.45}.teach .idl-item{padding:6pt 0}.teach .idl-item h3{font-size:13pt}.teach .idl-n{background:0 0}.teach .teach-quick,.teach .idg-note{background:0 0;border-left-color:#000}.teach .idg-ch{break-before:auto}.teach .idg-ch h2,.teach .idg-ch h3{break-after:avoid}}