.chapters-accordion-card[data-v-80d42ae4]{padding:clamp(12px,3vw,20px)}.chapters-accordion[data-v-80d42ae4]{gap:clamp(10px,2.5vw,14px)}.chapters-accordion__item[data-v-80d42ae4]{list-style:none;scroll-margin-top:110px}.chapters-accordion__anchor[data-v-80d42ae4]{align-items:center;border-radius:6px;color:var(--muted);display:inline-flex;height:20px;justify-content:center;margin-left:8px;opacity:0;text-decoration:none;transition:opacity .15s ease,background .15s ease,color .15s ease;width:20px}.chapters-accordion__trigger:focus-visible .chapters-accordion__anchor[data-v-80d42ae4],.chapters-accordion__trigger:hover .chapters-accordion__anchor[data-v-80d42ae4]{opacity:1}.chapters-accordion__anchor[data-v-80d42ae4]:hover{background:color-mix(in srgb,var(--primary,#2563eb) 10%,transparent);color:var(--primary,#2563eb)}.chapters-accordion__trigger.lesson-item[data-v-80d42ae4]{align-items:stretch;background:var(--surface-alt,#f8f9fb);border:1px solid var(--stroke,rgba(0,0,0,.08));border-radius:12px;flex-direction:column;gap:0;justify-content:flex-start;overflow:hidden;padding:0;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}.chapters-accordion__trigger.lesson-item[data-v-80d42ae4]:hover{background:var(--cm-158,#f0f2f6);border-color:var(--cm-148,rgba(0,0,0,.12));box-shadow:0 4px 14px #0000000f;transform:none}.chapters-accordion__trigger.lesson-item.is-open[data-v-80d42ae4]{border-color:var(--primary,#2563eb);box-shadow:0 0 0 1px color-mix(in srgb,var(--primary,#2563eb) 35%,transparent)}.chapters-accordion__inner[data-v-80d42ae4]{align-items:flex-start;display:flex;flex-direction:row;gap:12px;padding:14px 16px;text-align:left;width:100%}.chapters-accordion__main[data-v-80d42ae4]{align-items:flex-start;display:flex;flex:1;gap:12px;min-width:0}.chapters-accordion__num[data-v-80d42ae4]{align-items:center;background:var(--primary,#2563eb);border-radius:10px;color:#fff;display:inline-flex;flex-shrink:0;font-size:.9rem;font-weight:700;height:2.5rem;justify-content:center;line-height:1;min-width:2.5rem}.chapters-accordion__text[data-v-80d42ae4]{display:flex;flex:1;flex-direction:column;gap:8px;min-width:0}.chapters-accordion__title[data-v-80d42ae4]{color:var(--text-primary,#111);display:block;font-size:clamp(.95rem,2.8vw,1.05rem);font-weight:650;line-height:1.35;word-break:break-word}.chapters-accordion__badges[data-v-80d42ae4]{align-items:center;display:flex;flex-wrap:wrap;gap:8px}.chapters-accordion__pill[data-v-80d42ae4]{align-items:center;border:1px solid transparent;border-radius:999px;display:inline-flex;font-size:.72rem;font-weight:650;gap:6px;letter-spacing:.02em;line-height:1.2;padding:5px 10px;text-transform:uppercase}.chapters-accordion__pill-icon[data-v-80d42ae4]{flex-shrink:0;height:14px;width:14px}.chapters-accordion__pill--public[data-v-80d42ae4]{background:color-mix(in srgb,var(--success,#16a34a) 12%,transparent);border-color:color-mix(in srgb,var(--success,#16a34a) 28%,transparent);color:color-mix(in srgb,var(--success,#16a34a) 85%,#000)}.chapters-accordion__pill--shared[data-v-80d42ae4]{background:color-mix(in srgb,var(--link,#2563eb) 10%,transparent);border-color:color-mix(in srgb,var(--link,#2563eb) 25%,transparent);color:var(--link,#2563eb)}.chapters-accordion__pill--premium[data-v-80d42ae4]{background:color-mix(in srgb,#a855f7 14%,transparent);border-color:color-mix(in srgb,#a855f7 30%,transparent);color:#6b21a8}.chapters-accordion__pill--restricted-open[data-v-80d42ae4]{background:color-mix(in srgb,var(--primary,#2563eb) 12%,transparent);border-color:color-mix(in srgb,var(--primary,#2563eb) 28%,transparent);color:color-mix(in srgb,var(--primary,#1d4ed8) 90%,#000)}.chapters-accordion__pill--private-open[data-v-80d42ae4]{background:var(--surface,#fff);border-color:var(--stroke,#e5e7eb);color:var(--text-secondary,#555)}.chapters-accordion__pill--locked[data-v-80d42ae4]{background:color-mix(in srgb,var(--warning,#d97706) 14%,transparent);border-color:color-mix(in srgb,var(--warning,#d97706) 35%,transparent);color:#92400e}.chapters-accordion__pill--locked-premium[data-v-80d42ae4]{background:color-mix(in srgb,#c026d3 12%,transparent);border-color:color-mix(in srgb,#c026d3 28%,transparent);color:#86198f}.chapters-accordion__chip[data-v-80d42ae4]{align-items:center;background:var(--surface,#fff);border:1px solid var(--stroke,#e5e7eb);border-radius:8px;color:var(--text-secondary,#555);display:inline-flex;font-size:.8rem;font-weight:500;gap:5px;padding:4px 9px}.chapters-accordion__chip--video[data-v-80d42ae4]{background:color-mix(in srgb,var(--primary,#2563eb) 8%,transparent);border-color:color-mix(in srgb,var(--primary,#2563eb) 22%,transparent);color:color-mix(in srgb,var(--primary,#2563eb) 80%,#000)}.chapters-accordion__desc[data-v-80d42ae4]{color:var(--text-secondary,#666);display:-webkit-box;font-size:.82rem;line-height:1.45;margin:0;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;overflow:hidden}.chapters-accordion__chevron[data-v-80d42ae4]{align-items:center;background:color-mix(in srgb,var(--text-primary,#111) 6%,transparent);border-radius:10px;color:var(--text-secondary,#555);display:inline-flex;flex-shrink:0;height:2.25rem;justify-content:center;margin-top:2px;width:2.25rem}.chapters-accordion__trigger.is-open .chapters-accordion__chevron[data-v-80d42ae4]{background:color-mix(in srgb,var(--primary,#2563eb) 12%,transparent);color:var(--primary,#2563eb)}.chapters-accordion__panel[data-v-80d42ae4]{border:1px solid var(--stroke,rgba(0,0,0,.08));border-radius:12px;margin-top:10px;padding:clamp(14px,3vw,20px)}.chapters-accordion__panel-actions[data-v-80d42ae4]{flex-wrap:wrap;gap:10px}.chapters-accordion-expand-enter-active[data-v-80d42ae4],.chapters-accordion-expand-leave-active[data-v-80d42ae4]{transition:opacity .2s ease,transform .2s ease}.chapters-accordion-expand-enter-from[data-v-80d42ae4],.chapters-accordion-expand-leave-to[data-v-80d42ae4]{opacity:0;transform:translateY(-6px)}.lesson-chapters-hero .hero__actions[data-v-80d42ae4]{flex-wrap:wrap;gap:10px}.lesson-chapters-hero .hero__meta[data-v-80d42ae4]{flex-wrap:wrap;gap:8px}@media(max-width:640px){.chapters-accordion__inner[data-v-80d42ae4]{align-items:flex-start;gap:10px;padding:12px 12px 12px 14px}.chapters-accordion__main[data-v-80d42ae4]{align-items:flex-start;flex-direction:row}.chapters-accordion__num[data-v-80d42ae4]{border-radius:9px;font-size:.85rem;height:2.35rem;min-width:2.35rem}.chapters-accordion__chevron[data-v-80d42ae4]{height:2rem;width:2rem}.lesson-chapters-hero.hero--split[data-v-80d42ae4]{flex-direction:column}.lesson-chapters-hero .hero__side .stats[data-v-80d42ae4]{grid-template-columns:1fr}}@media(max-width:380px){.chapters-accordion__badges[data-v-80d42ae4]{align-items:flex-start;flex-direction:column}}