.cgc-unit-lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:start}.cgc-unit-lesson-main,.cgc-unit-lesson-sidebar{min-width:0}.lesson-sidebar>.cgc-unit-nav,.cgc-unit-nav{padding:22px;background:#fff;border:1px solid #dce7ea;border-radius:10px;margin:0 0 20px;color:#36515b;line-height:1.5}.cgc-unit-nav .cgc-unit-nav__eyebrow{font-size:10px;letter-spacing:1.5px;font-weight:700;color:#487480;margin:0 0 8px}.cgc-unit-nav h2{font:normal 23px/1.25 Georgia,serif!important;color:#163a43;margin:0 0 10px}.cgc-unit-nav .cgc-unit-nav__progress{font-size:12px;margin:0 0 16px;color:#526d77}.cgc-unit-nav summary{cursor:pointer;font-size:13px;font-weight:600;padding:0 0 10px}.cgc-unit-nav nav{max-height:60vh;overflow:auto;scrollbar-width:thin}.cgc-unit-nav nav ol{list-style:none;padding:0;margin:0}.cgc-unit-nav nav li{margin:0 0 4px;padding:0}.cgc-unit-nav nav a{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:6px;text-decoration:none;font-size:13px;color:#36515b;overflow-wrap:anywhere}.cgc-unit-nav nav a:hover{background:#f2f7f8}.cgc-unit-nav nav a[aria-current]{background:#e8f4f5;color:#126b80;box-shadow:inset 3px 0 #187f97}.cgc-unit-nav__number{flex:0 0 22px;font-size:12px;text-align:center;padding-top:1px;color:#187f97}.cgc-unit-nav small{display:block;font-size:10px;margin-top:4px;font-weight:600}.cgc-unit-nav a:focus-visible,.cgc-unit-nav summary:focus-visible{outline:3px solid #187f97;outline-offset:-3px}.cgc-unit-nav .cgc-unit-nav__overview{display:inline-block;font-size:12px;margin-top:16px;color:#187f97}@media(max-width:750px){.cgc-unit-lesson-layout{display:block}.lesson-layout>.lesson-sidebar:has(.cgc-unit-nav){order:1}.cgc-unit-nav nav{max-height:320px}.cgc-unit-lesson-sidebar{margin-top:24px}}

/* Topics stay with their parent lesson, without a second topic directory. */
.cgc-unit-nav .cgc-unit-nav__topics{margin:0 0 12px 10px;border-left:1px solid #dce7ea;padding-left:8px}
.cgc-unit-nav .cgc-unit-nav__topics summary{padding:7px 10px;color:#187f97;font-size:12px}
.cgc-unit-nav .cgc-unit-nav__topics a{font-size:12px;padding:8px}
.cgc-unit-nav .cgc-unit-nav__topics .cgc-unit-nav__number{flex-basis:26px;font-size:11px}
.cgc-unit-lesson-main iframe{max-width:100%}

/* Long links in lesson discussions must not widen the mobile page. */
.single-sfwd-lessons .comment-content,.single-sfwd-topic .comment-content{overflow-wrap:anywhere;min-width:0}