.rail-shell.svelte-1gj4wuu{background:0 0}.rail-shell.rail-page.svelte-1gj4wuu{z-index:30;position:sticky;inset-block-start:0}.rail-shell.rail-focus.svelte-1gj4wuu{z-index:2;position:absolute;inset-block-start:0;inset-inline:0}::view-transition-group(focus-step){z-index:1}.rail-inner.svelte-1gj4wuu{width:min(46rem,100%);padding:calc(var(--s3) + env(safe-area-inset-top,0px)) var(--s3) var(--s2);margin-inline:auto;display:grid;position:relative}.corner.svelte-1gj4wuu{z-index:4;position:absolute;inset-block-start:calc(var(--s3) + 4px + env(safe-area-inset-top,0px))}.corner-start.svelte-1gj4wuu{inset-inline-start:var(--s5)}.rail-page.svelte-1gj4wuu .rail-inner:where(.svelte-1gj4wuu) .task-current{padding-inline:calc(44px + var(--s5) - var(--s3))}.rail-focus.svelte-1gj4wuu .rail-inner:where(.svelte-1gj4wuu) .task-current{padding-inline:calc(88px + var(--s5) - var(--s3))}.corner-end.svelte-1gj4wuu{display:flex;inset-inline-end:var(--s5)}.corner.svelte-1gj4wuu button.leave-control{color:var(--danger);transition:opacity var(--t-state) var(--ease-snap), transform var(--t-press) var(--ease-snap)}.corner.svelte-1gj4wuu button.leave-control:active{color:var(--danger)}.rail-shell.svelte-1gj4wuu:not(.docked) .corner:where(.svelte-1gj4wuu) button.leave-control{opacity:0;pointer-events:none}.corner.svelte-1gj4wuu button{border-radius:var(--r-ctl);min-width:44px;min-height:40px;color:var(--muted);cursor:pointer;transition:color var(--t-fast) var(--ease-snap);background:0 0;border:none;place-items:center;padding:0;display:grid}.corner.svelte-1gj4wuu button:active{color:var(--text)}@media (hover:hover){.corner.svelte-1gj4wuu button:hover{color:var(--text)}}@media (width>=900px){.rail-shell.rail-page.svelte-1gj4wuu{inset-block-start:var(--s8)}}.ss.svelte-1djz0wf{flex:none;align-items:center;gap:8px;display:inline-flex}.ss-say.svelte-1djz0wf{outline:none;flex-direction:column;gap:4px;padding:2px 0 12px;display:flex}.ss-text.svelte-1djz0wf{color:var(--text);margin:0;font-size:1rem;font-weight:500;line-height:1.5}.ss-where.svelte-1djz0wf{color:var(--faint);font-variant-numeric:tabular-nums;font-size:.78rem}.ss-lesson.svelte-1djz0wf{background:var(--surface-2);border:1px solid color-mix(in srgb, var(--text) 8%, transparent);border-radius:14px;flex-direction:column;gap:3px;padding:8px;display:flex}.ss-cover.svelte-1djz0wf{object-fit:cover;border-radius:10px;width:100%;height:112px;margin-bottom:6px;display:block;overflow:hidden}.ss-cover.parts.svelte-1djz0wf .stage{border:0;border-radius:10px;height:100%;padding-block:8px 4px}.ss-cover.parts.svelte-1djz0wf figcaption{display:none}.ss-cover.book.svelte-1djz0wf{background:color-mix(in srgb, var(--accent) 12%, var(--surface));color:var(--acc-deep);place-items:center;display:grid}.ss-meta.svelte-1djz0wf{color:var(--faint);font-size:.75rem}.ss-title.svelte-1djz0wf{color:var(--text);font-size:.95rem;font-weight:600;line-height:1.35}.ss-more.svelte-1djz0wf{border-top:1px solid color-mix(in srgb, var(--text) 9%, transparent);flex-direction:column;margin-top:14px;padding-top:10px;display:flex}.ss-more-h.svelte-1djz0wf{color:var(--faint);margin-bottom:2px;font-size:.72rem}.ss-row.svelte-1djz0wf{width:100%;min-height:44px;font:inherit;color:inherit;text-align:start;cursor:pointer;background:0 0;border:0;border-radius:11px;align-items:center;gap:11px;padding:7px 6px;transition:transform .11s ease-out;display:flex}@media (hover:hover){.ss-row.svelte-1djz0wf:hover{background:color-mix(in srgb, var(--text) 5%, transparent)}}.ss-row.svelte-1djz0wf:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}.ss-dot.svelte-1djz0wf{flex:none;display:inline-flex}.ss-lab.svelte-1djz0wf{font-size:.88rem;line-height:1.35}@media (prefers-reduced-motion:reduce){.ss-row.svelte-1djz0wf{transition:none}.ss-row.svelte-1djz0wf:active{transform:none}}