.lp-progress{display:grid;gap:6px;min-width:150px}.lp-progress-bar{height:5px;overflow:hidden;border-radius:3px;background:color-mix(in srgb,var(--ink) 10%,transparent)}.lp-progress-bar span{display:block;height:100%;border-radius:3px;background:var(--accent);transition:width .24s ease}.lp-progress-label{font-size:11px;font-weight:600;color:var(--muted)}.lp-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:22px}.lp-check{position:relative;display:inline-grid;flex:none;cursor:pointer}.lp-check input{position:absolute;inset:0;margin:0;opacity:0;cursor:pointer}.lp-check-box{display:grid;place-items:center;width:26px;height:26px;border:1.5px solid var(--rule-strong);border-radius:50%;color:transparent;transition:background-color .14s ease,border-color .14s ease,color .14s ease}.lp-check:hover .lp-check-box{border-color:var(--accent)}.lp-check input:checked+.lp-check-box{border-color:var(--accent);background:var(--accent);color:var(--on-accent)}.lp-check input:focus-visible+.lp-check-box{outline:2px solid var(--accent);outline-offset:2px}.lp-h2{margin:5px 0 0;font-size:26px;font-weight:700;line-height:1.22;letter-spacing:-.03em}.lp-lessons{margin:20px 0 0;padding:0;list-style:none}.lp-lessons li{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:16px;align-items:start;padding:20px 0;border-top:1px solid var(--rule)}.lp-lessons li:last-child{border-bottom:1px solid var(--rule)}.lp-lesson-n{padding-top:3px;font-family:var(--font-mono);font-size:13px;font-weight:650;color:var(--accent)}.lp-lessons h3{margin:0;font-size:18px;font-weight:700;line-height:1.35;letter-spacing:-.02em}.lp-lessons h3 a{color:var(--ink)}.lp-lessons h3 a:hover{color:var(--accent)}.lp-lessons p{margin:6px 0 0;max-width:64ch;font-size:14px;line-height:1.65;color:var(--muted)}.lp-lessons small{display:block;margin-top:8px;font-size:11px;color:var(--faint)}.lp-quiz{margin-top:44px;padding:26px;border:1px solid var(--rule);border-radius:7px;background:var(--panel)}.lp-quiz h2{margin:6px 0 4px;font-size:24px;font-weight:700;letter-spacing:-.03em}.lp-question{margin:22px 0 0;padding:0;border:0}.lp-question legend{display:flex;gap:10px;padding:0;font-size:16px;font-weight:650;line-height:1.45;color:var(--ink)}.lp-question-n{flex:none;padding-top:2px;font-family:var(--font-mono);font-size:12px;color:var(--accent)}.lp-options{display:grid;gap:8px;margin-top:12px}.lp-option{position:relative;display:flex;align-items:center;gap:12px;min-height:46px;padding:10px 14px;border:1px solid var(--rule);border-radius:6px;background:var(--surface);font-size:14px;line-height:1.45;cursor:pointer;transition:border-color .14s ease,background-color .14s ease}.lp-option:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--rule))}.lp-option input{flex:none;accent-color:var(--accent)}.lp-option span{flex:1}.lp-option:has(input:checked):not(.is-correct):not(.is-wrong){border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--surface))}.lp-option:has(input:disabled){cursor:default}.lp-option.is-correct{border-color:var(--up);background:color-mix(in srgb,var(--up) 10%,var(--surface))}.lp-option.is-correct svg{color:var(--up)}.lp-option.is-wrong{border-color:var(--down);background:color-mix(in srgb,var(--down) 9%,var(--surface))}.lp-option.is-wrong svg{color:var(--down)}.lp-explain{margin:10px 0 0;font-size:13px;line-height:1.65;color:var(--muted)}.lp-explain strong{color:var(--ink)}.lp-quiz-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:24px}.lp-quiz-actions p{margin:0;font-size:13px;font-weight:600;color:var(--muted)}.lp-quiz-actions .btn:disabled{opacity:.45;cursor:not-allowed}.lp-finish{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 24px;margin-top:36px;padding:22px 24px;border:1px solid var(--rule);border-left:2px solid var(--accent);border-radius:0 7px 7px 0;background:var(--panel)}.lp-finish h2{margin:0;font-size:18px;font-weight:700;letter-spacing:-.02em}.lp-finish p{margin:5px 0 0;font-size:13px;line-height:1.6;color:var(--muted)}.lp-finish .btn{display:inline-flex;align-items:center;gap:7px;flex:none}.lp-next{display:inline-flex;flex-wrap:wrap;gap:4px;margin-top:10px;font-size:13px;color:var(--accent)}.lp-next b{font-weight:650}.lp-outcomes ul{display:grid;gap:6px;margin:10px 0 0;padding-left:18px;font-size:14px;line-height:1.6;list-style:disc}.er-summary>.lp-outcomes{display:block}.lh-hero{align-items:stretch}.lh-hero .er-hero{align-self:center}.lh-start{margin-top:24px;padding-top:20px;border-top:1px solid var(--rule)}.lh-start .kicker{margin:0 0 8px;font-size:10px}.lh-start ol{margin:0;padding:0;list-style:none}.lh-start li a{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--rule);font-size:14px;font-weight:600;color:var(--ink)}.lh-start li a:hover,.lh-start-n{color:var(--accent)}.lh-start-n{font-family:var(--font-mono);font-size:11px}.lh-start small{font-size:11px;font-weight:500;color:var(--faint)}.lh-section{margin-top:56px}.lh-section-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px 24px;margin-bottom:22px}.lh-section-head h2{margin:5px 0 0;font-size:28px;font-weight:700;line-height:1.2;letter-spacing:-.035em}.lh-section-head>p{max-width:46ch;margin:0;font-size:13px;line-height:1.6;color:var(--muted)}.lh-more{display:inline-flex;align-items:center;min-height:44px;font-size:13px;font-weight:650;color:var(--accent)}.lh-paths{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.lh-path{display:flex;flex-direction:column;gap:8px;color:inherit}.lh-path img{display:block;width:100%;height:auto;aspect-ratio:16/9;margin-bottom:6px;border-radius:6px;object-fit:cover;background:var(--panel);transition:transform .24s var(--ease-out-quart)}.lh-path:hover img{transform:translateY(-2px)}.lh-path .er-kicker{margin:0}.lh-path h3{margin:0;font-size:20px;font-weight:700;line-height:1.25;letter-spacing:-.025em;color:var(--ink)}.lh-path:hover h3{color:var(--accent)}.lh-path-dek{margin:0;font-size:13px;line-height:1.6;color:var(--muted)}.lh-path-meta{font-size:11px;color:var(--faint)}.lh-path .lp-progress{margin-top:4px}.lh-path-go{margin-top:auto;padding-top:6px;font-size:13px;font-weight:650;color:var(--accent)}.lh-topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 32px}.lh-topic{padding-top:16px;border-top:1px solid var(--rule)}.lh-topic h3{margin:0;font-size:17px;font-weight:700;letter-spacing:-.02em}.lh-topic>p{margin:5px 0 10px;font-size:12px;line-height:1.55;color:var(--muted)}.lh-topic ul{margin:0;padding:0;list-style:none}.lh-topic li a{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--rule);font-size:14px;font-weight:600;line-height:1.45;color:var(--ink)}.lh-topic li a:hover{color:var(--accent)}.lh-topic small{flex:none;padding-top:2px;font-size:11px;font-weight:500;color:var(--faint)}.lh-terms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;margin:20px 0 0}.lh-terms>div{padding:14px 0;border-top:1px solid var(--rule)}.lh-terms dt{font-size:15px;font-weight:700}.lh-terms dd{margin:4px 0 0;font-size:13px;line-height:1.6;color:var(--muted)}.lg-head{max-width:760px}.lg-head h1{margin:10px 0 12px;font-size:clamp(34px,4vw,48px);font-weight:750;line-height:1.08;letter-spacing:-.04em}.lg-letters{display:flex;flex-wrap:wrap;gap:4px;margin:24px 0 0;padding:8px 0}.lg-letters.is-sticky{position:sticky;top:var(--tb-h,76px);z-index:10;border-bottom:1px solid var(--rule);background:var(--paper)}.lg-letters a{display:grid;place-items:center;min-width:34px;height:34px;border-radius:5px;font-size:13px;font-weight:700;color:var(--muted)}.lg-letters a:hover{background:var(--row-bg-hover);color:var(--accent)}.lg-groups{display:grid;gap:8px;margin-top:14px}.lg-group{display:grid;grid-template-columns:72px minmax(0,1fr);gap:20px;padding-top:22px;border-top:1px solid var(--rule);scroll-margin-top:calc(var(--tb-h, 76px) + 64px)}.lg-group:first-child{border-top:0}.lg-group h2{margin:0;font-size:34px;font-weight:750;line-height:1;letter-spacing:-.04em;color:var(--accent)}.lg-group dl{margin:0}.lg-group dl>div{padding:0 0 18px;scroll-margin-top:calc(var(--tb-h, 76px) + 64px)}.lg-group dl>div:target{border-radius:4px;background:var(--accent-soft);box-shadow:0 0 0 8px var(--accent-soft)}.lg-group dt{font-size:17px;font-weight:700;letter-spacing:-.015em}.lg-group dt small{margin-left:8px;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}.lg-group dd{max-width:72ch;margin:5px 0 0;font-size:15px;line-height:1.7;color:var(--muted)}.lg-foot{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:36px;padding-top:20px;border-top:1px solid var(--rule);font-size:13px;font-weight:650}.lg-foot a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent)}.lg-foot a+a{color:var(--muted)}@media (max-width:1080px){.lh-paths,.lh-topics{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.lh-paths,.lh-terms,.lh-topics{grid-template-columns:minmax(0,1fr)}.lh-section{margin-top:44px}.lh-section-head h2,.lp-h2{font-size:24px}.lp-lessons li{grid-template-columns:30px minmax(0,1fr) auto;gap:12px}.lp-quiz{padding:20px 16px}.lp-finish{padding:18px}.lg-group{grid-template-columns:1fr;gap:10px}.lg-letters.is-sticky{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-4px}.lg-letters.is-sticky::-webkit-scrollbar{display:none}.lg-letters a{flex:none}.lg-group h2{font-size:28px}}@media (prefers-reduced-motion:reduce){.lh-path img,.lp-progress-bar span{transition:none}}