.lesson-page{background:linear-gradient(90deg, color-mix(in srgb, var(--color-paper) 52%, transparent), transparent 28rem), var(--color-canvas)}.outline-trigger[data-astro-cid-otlidikw]{border:1px solid var(--color-border);border-radius:var(--radius-small);background:var(--color-canvas);min-height:2.5rem;color:var(--color-ink);align-items:center;gap:.55rem;padding:.45rem .75rem;font-size:.82rem;font-weight:600;display:inline-flex}.outline-trigger[data-astro-cid-otlidikw]:hover{border-color:var(--color-brand-slate);background:var(--color-paper)}.outline-trigger__icon[data-astro-cid-otlidikw]{border-block:1.5px solid;width:.95rem;height:.75rem;display:inline-block;position:relative}.outline-trigger__icon[data-astro-cid-otlidikw]:after{content:"";border-block-start:1.5px solid;position:absolute;inset:50% 0 auto}.lesson-workspace[data-astro-cid-otlidikw]{min-height:calc(100svh - var(--header-height))}.lesson-workspace__grid[data-astro-cid-otlidikw]{grid-template-columns:17.5rem minmax(0,1fr);align-items:start;gap:clamp(1.5rem,4vw,4rem);padding-block:clamp(1rem,3vw,2.25rem) 4rem;transition:grid-template-columns .2s;display:grid}.lesson-workspace[data-astro-cid-otlidikw][data-outline-open=false] .lesson-workspace__grid[data-astro-cid-otlidikw]{grid-template-columns:0 minmax(0,1fr)}.lesson-workspace[data-astro-cid-otlidikw][data-outline-open=false] .lesson-outline{visibility:hidden;opacity:0;translate:-1rem}.lesson-workspace__overlay[data-astro-cid-otlidikw]{display:none}.lesson-article[data-astro-cid-otlidikw]{width:min(100%,48rem);min-width:0;margin-inline:auto}.tree-return[data-astro-cid-otlidikw]{width:fit-content;color:var(--color-brand-slate);align-items:center;gap:.5rem;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-flex}.tree-return[data-astro-cid-otlidikw]:hover{color:var(--color-ink)}.lesson-article__header[data-astro-cid-otlidikw]{margin-block-start:clamp(2.25rem,5vw,4.5rem)}.lesson-article__stage[data-astro-cid-otlidikw]{color:var(--color-brand-slate);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin:0 0 .75rem;font-size:.78rem;font-weight:600}.lesson-article[data-astro-cid-otlidikw] h1[data-astro-cid-otlidikw]{letter-spacing:-.045em;white-space:pre-line;max-width:16ch;margin:0;font-size:clamp(2rem,6vw,4.25rem);font-weight:600;line-height:1.08}.lesson-status[data-astro-cid-otlidikw]{border:1px solid color-mix(in srgb, var(--color-brand-gold) 78%, var(--color-border));background:color-mix(in srgb, var(--color-brand-gold) 20%, var(--color-canvas));color:var(--color-gold-ink);border-radius:999px;margin-block-start:1.25rem;padding:.38rem .65rem;font-size:.75rem;font-weight:600;display:inline-flex}.coming-soon-card[data-astro-cid-otlidikw]{border:1px solid var(--color-border);background:var(--color-paper);border-radius:1rem;grid-template-columns:auto 1fr;gap:1.25rem;margin-block-start:clamp(3rem,8vw,6rem);padding:clamp(1.5rem,4vw,2.5rem);display:grid;position:relative;overflow:hidden}.coming-soon-card__branch[data-astro-cid-otlidikw]{background:var(--color-brand-gold);width:.35rem;position:absolute;inset:0 auto 0 0}.coming-soon-card__number[data-astro-cid-otlidikw]{color:var(--color-brand-slate);font-family:var(--font-mono);margin:0;font-size:.8rem;font-weight:600}.coming-soon-card[data-astro-cid-otlidikw] h2[data-astro-cid-otlidikw]{margin:0;font-size:clamp(1.25rem,3vw,1.7rem)}.coming-soon-card[data-astro-cid-otlidikw] div[data-astro-cid-otlidikw]>p[data-astro-cid-otlidikw]{max-width:38rem;color:var(--color-ink-muted);margin:.65rem 0 0}@media (width<=47.999rem){.lesson-page{background:var(--color-canvas)}.outline-trigger[data-astro-cid-otlidikw] span[data-astro-cid-otlidikw]:last-child{display:none}.lesson-workspace__grid[data-astro-cid-otlidikw],.lesson-workspace[data-astro-cid-otlidikw][data-outline-open=false] .lesson-workspace__grid[data-astro-cid-otlidikw]{grid-template-columns:minmax(0,1fr);padding-block-start:1rem}.lesson-workspace[data-astro-cid-otlidikw][data-outline-open=false] .lesson-outline{visibility:visible;opacity:1;translate:-102%}.lesson-workspace__overlay[data-astro-cid-otlidikw]{z-index:60;inset:var(--header-height) 0 0;visibility:hidden;background:color-mix(in srgb, var(--color-ink) 32%, transparent);opacity:0;transition:opacity .2s,visibility .2s;display:block;position:fixed}.lesson-workspace[data-astro-cid-otlidikw][data-outline-open=true] .lesson-workspace__overlay[data-astro-cid-otlidikw]{visibility:visible;opacity:1}.lesson-article__header[data-astro-cid-otlidikw]{margin-block-start:2.5rem}.lesson-article[data-astro-cid-otlidikw] h1[data-astro-cid-otlidikw]{max-width:none;font-size:clamp(1.8rem,9vw,2.7rem)}.coming-soon-card[data-astro-cid-otlidikw]{grid-template-columns:1fr;gap:.5rem}}@media (prefers-reduced-motion:reduce){.lesson-workspace__grid[data-astro-cid-otlidikw],.lesson-workspace__overlay[data-astro-cid-otlidikw]{transition:none}}