.lesson-nav-bottom[data-astro-cid-osuvafod]{max-width:880px;margin:40px auto 56px;padding:0 clamp(20px,4vw,36px);display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch}.lesson-nav-bottom__card[data-astro-cid-osuvafod]{display:flex;flex-direction:column;justify-content:center;background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:14px 18px;text-decoration:none;transition:all var(--d-2) var(--ease-out-soft);color:inherit}.lesson-nav-bottom__card[data-astro-cid-osuvafod]:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-2);text-decoration:none}.lesson-nav-bottom__card--prev[data-astro-cid-osuvafod]{text-align:left}.lesson-nav-bottom__card--next[data-astro-cid-osuvafod]{text-align:right}.lesson-nav-bottom__label[data-astro-cid-osuvafod]{font:500 11px var(--f-mono);color:var(--accent);letter-spacing:.1em}.lesson-nav-bottom__card--prev[data-astro-cid-osuvafod] .lesson-nav-bottom__label[data-astro-cid-osuvafod]{color:var(--muted)}.lesson-nav-bottom__title[data-astro-cid-osuvafod]{font:600 14px var(--f-han);color:var(--ink);margin-top:4px}.lesson-nav-bottom__home[data-astro-cid-osuvafod]{background:var(--ink);color:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;text-decoration:none;min-width:72px;transition:all var(--d-2) var(--ease-out-soft)}.lesson-nav-bottom__home[data-astro-cid-osuvafod]:hover{background:var(--accent);text-decoration:none;transform:translateY(-1px)}.lesson-nav-bottom__home[data-astro-cid-osuvafod] span[data-astro-cid-osuvafod]:first-child{font-size:18px}.lesson-nav-bottom__home-label[data-astro-cid-osuvafod]{font:500 10px var(--f-mono);letter-spacing:.12em;margin-top:2px}.lesson-nav-bottom__empty[data-astro-cid-osuvafod]{visibility:hidden}@media(max-width:520px){.lesson-nav-bottom[data-astro-cid-osuvafod]{grid-template-columns:1fr 64px 1fr;padding:0 12px;gap:8px}.lesson-nav-bottom__card[data-astro-cid-osuvafod]{padding:10px 12px}.lesson-nav-bottom__title[data-astro-cid-osuvafod]{font-size:13px}}.lesson-strip[data-astro-cid-srewu4vx]{padding:14px clamp(20px,4vw,32px)}.lesson-strip__inner[data-astro-cid-srewu4vx]{max-width:var(--page-max);margin:0 auto;display:flex;align-items:center;gap:14px;position:relative;z-index:2}.lesson-strip__back[data-astro-cid-srewu4vx]{color:var(--chalk);font:500 18px var(--f-mono);text-decoration:none;line-height:1}.lesson-strip__back[data-astro-cid-srewu4vx]:hover{color:var(--highlight);text-decoration:none}.lesson-strip__code[data-astro-cid-srewu4vx]{color:var(--chalk-dim);font:500 12px var(--f-mono);letter-spacing:.1em}.lesson-strip__lang[data-astro-cid-srewu4vx]{margin-left:auto;font:500 12px var(--f-mono);color:var(--chalk);background:transparent;border:1px solid rgba(232,239,231,.3);border-radius:4px;padding:4px 10px;cursor:pointer}.lesson-strip__lang[data-astro-cid-srewu4vx]:hover{color:var(--highlight);border-color:var(--highlight)}.lesson-progress-strip[data-astro-cid-srewu4vx]{background:var(--chalk-bg-deep);padding:10px clamp(20px,4vw,32px)}.lesson-progress-strip__inner[data-astro-cid-srewu4vx]{max-width:var(--page-max);margin:0 auto;display:flex;align-items:center;gap:14px}.lesson-progress-cells[data-astro-cid-srewu4vx]{display:flex;gap:3px;align-items:center;flex:1}.lesson-progress-cell[data-astro-cid-srewu4vx]{flex:1;height:6px;border-radius:1px;background:#e8efe733;transition:background var(--d-2) var(--ease-out-soft)}.lesson-progress-cell[data-astro-cid-srewu4vx].is-on{background:var(--highlight)}.lesson-progress-strip__num[data-astro-cid-srewu4vx]{color:var(--highlight);font:700 13px var(--f-mono);letter-spacing:.05em}.lesson-page[data-astro-cid-srewu4vx]{max-width:880px;margin:0 auto;padding:clamp(32px,5vw,48px) clamp(20px,4vw,36px) clamp(24px,4vw,40px)}.lesson-page__h1[data-astro-cid-srewu4vx]{font:500 clamp(40px,6vw,64px)/1.05 var(--f-serif);font-style:italic;letter-spacing:-.02em;margin:14px 0 12px;color:var(--ink)}.lesson-page__sub[data-astro-cid-srewu4vx]{font:400 clamp(15px,1.4vw,17px)/1.6 var(--f-han);color:var(--ink-2);margin:0 0 24px;max-width:640px}@media(max-width:640px){.lesson-page[data-astro-cid-srewu4vx]{padding:24px 18px 32px}}