.back-link[data-astro-cid-bh2ycs6t]{display:inline-flex;align-items:center;gap:.5rem;color:var(--color-text-muted);text-decoration:none;font-size:var(--font-size-small);margin-bottom:1rem}.back-link[data-astro-cid-bh2ycs6t]:hover{color:var(--color-text-primary)}.video-embed[data-astro-cid-bh2ycs6t]{position:relative;width:100%;aspect-ratio:16 / 9;margin-top:1.5rem}.video-embed[data-astro-cid-bh2ycs6t] iframe[data-astro-cid-bh2ycs6t]{position:absolute;top:0;left:0;width:100%;height:100%;border:1px solid var(--color-border)}.activities-grid[data-astro-cid-bh2ycs6t]{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--color-border)}@media(max-width:600px){.activities-grid[data-astro-cid-bh2ycs6t]{grid-template-columns:1fr}}.activity-card[data-astro-cid-bh2ycs6t]{background:var(--color-background);padding:1.5rem}.activity-card[data-astro-cid-bh2ycs6t]:hover{background:var(--color-surface)}.activity-header[data-astro-cid-bh2ycs6t]{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.activity-number[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-xs);font-weight:500;color:var(--color-text-muted)}.activity-status[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-xs);color:var(--color-text-muted)}.activity-status[data-astro-cid-bh2ycs6t].in-progress,.activity-status[data-astro-cid-bh2ycs6t].completed{color:var(--color-text-secondary)}.activity-title[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-body);font-weight:500;color:var(--color-text-primary);margin-bottom:.5rem}.activity-description[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-small);color:var(--color-text-secondary);line-height:1.6}.bonus-grid[data-astro-cid-bh2ycs6t]{display:flex;flex-direction:column;gap:0}.bonus-card[data-astro-cid-bh2ycs6t]{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--color-border);text-decoration:none}.bonus-card[data-astro-cid-bh2ycs6t]:last-child{border-bottom:none}.bonus-card[data-astro-cid-bh2ycs6t]:hover .bonus-title[data-astro-cid-bh2ycs6t]{text-decoration:underline}.bonus-icon[data-astro-cid-bh2ycs6t]{display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--color-text-muted);flex-shrink:0}.bonus-content[data-astro-cid-bh2ycs6t]{flex-grow:1}.bonus-title[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-body);font-weight:500;color:var(--color-text-primary);margin-bottom:.125rem}.bonus-description[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-small);color:var(--color-text-secondary)}.bonus-arrow[data-astro-cid-bh2ycs6t]{color:var(--color-text-muted);flex-shrink:0}.videos-grid[data-astro-cid-bh2ycs6t]{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1rem}.video-card[data-astro-cid-bh2ycs6t]{display:flex;flex-direction:column;gap:.5rem;text-decoration:none}.video-thumbnail[data-astro-cid-bh2ycs6t]{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--color-surface);border:1px solid var(--color-border)}.video-thumbnail[data-astro-cid-bh2ycs6t] img[data-astro-cid-bh2ycs6t]{width:100%;height:100%;object-fit:cover}.video-thumbnail[data-astro-cid-bh2ycs6t].placeholder{display:flex;align-items:center;justify-content:center;background:var(--color-surface)}.placeholder-icon[data-astro-cid-bh2ycs6t]{color:var(--color-text-muted)}.play-icon[data-astro-cid-bh2ycs6t]{display:none}.video-source[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-small);color:var(--color-text-secondary)}.apps-grid[data-astro-cid-bh2ycs6t]{display:flex;flex-wrap:wrap;gap:.5rem}.app-card[data-astro-cid-bh2ycs6t]{display:inline-flex;align-items:center;gap:.25rem;padding:.5rem .75rem;background:var(--color-surface);text-decoration:none}.app-card[data-astro-cid-bh2ycs6t]:hover{background:var(--color-surface-elevated)}.app-name[data-astro-cid-bh2ycs6t]{font-size:var(--font-size-small);color:var(--color-text-secondary)}.app-card[data-astro-cid-bh2ycs6t] svg[data-astro-cid-bh2ycs6t]{color:var(--color-text-muted);flex-shrink:0}.activity-card-link[data-astro-cid-bh2ycs6t]{text-decoration:none;color:inherit;display:block}.activity-card-link[data-astro-cid-bh2ycs6t] .activity-card[data-astro-cid-bh2ycs6t]{cursor:pointer}.activity-link[data-astro-cid-bh2ycs6t]{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--font-size-small);color:var(--color-text-secondary);margin-top:1rem}.activity-link[data-astro-cid-bh2ycs6t] svg[data-astro-cid-bh2ycs6t]{flex-shrink:0}