.step-indicator[data-astro-cid-f5sq4uar]{z-index:40;justify-content:center;align-items:center;gap:var(--space-sm);padding-block:var(--space-sm);margin-bottom:var(--space-lg);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-dim);background:#0b0e14d9;display:flex;position:sticky;top:64px}.step-indicator__item[data-astro-cid-f5sq4uar]{color:var(--text-dim);border-radius:999px;align-items:center;gap:8px;padding:6px 10px;font-size:.85rem;transition:color .15s,background .15s;display:flex}.step-indicator__number[data-astro-cid-f5sq4uar]{background:var(--surface-2);border:1px solid var(--border-dim);width:24px;height:24px;font-family:var(--font-en);border-radius:50%;justify-content:center;align-items:center;font-size:.75rem;font-weight:600;display:inline-flex}.step-indicator__item[data-astro-cid-f5sq4uar].is-active{color:var(--text);background:var(--surface-2)}.step-indicator__item[data-astro-cid-f5sq4uar].is-active .step-indicator__number[data-astro-cid-f5sq4uar]{background:var(--grad);color:#060810;border-color:#0000}.step-indicator__line[data-astro-cid-f5sq4uar]{background:var(--border-dim);width:24px;height:1px}@media (width<=640px){.step-indicator[data-astro-cid-f5sq4uar]{gap:4px;top:0}.step-indicator__label[data-astro-cid-f5sq4uar]{display:none}.step-indicator__line[data-astro-cid-f5sq4uar]{width:12px}}.editor[data-astro-cid-hybxx32h]{grid-template-columns:1fr 1fr;gap:0;display:grid;overflow:hidden}.editor__pane[data-astro-cid-hybxx32h]{padding:var(--space-md)}.editor__pane--output[data-astro-cid-hybxx32h]{background:var(--surface-2);border-left:1px solid var(--border-dim);flex-direction:column;display:flex}.editor__label[data-astro-cid-hybxx32h]{font-family:var(--font-en);letter-spacing:.14em;color:var(--accent-2);margin-bottom:var(--space-sm);font-size:.7rem}.editor__textarea[data-astro-cid-hybxx32h]{background:var(--surface-2);border:1px solid var(--border-dim);width:100%;color:var(--text);font-family:var(--font-jp);padding:var(--space-sm);resize:vertical;margin-bottom:var(--space-sm);border-radius:12px;font-size:.92rem}.editor__textarea[data-astro-cid-hybxx32h]:focus{outline:2px solid var(--accent);outline-offset:2px}.editor__submit[data-astro-cid-hybxx32h]{width:100%}.editor__output[data-astro-cid-hybxx32h]{white-space:pre-wrap;min-height:140px;margin-bottom:var(--space-sm);flex:1;font-size:.92rem}.editor__placeholder[data-astro-cid-hybxx32h]{color:var(--text-dim)}.editor__cursor[data-astro-cid-hybxx32h]{background:var(--accent-2);vertical-align:text-bottom;width:2px;height:1em;animation:.9s step-end infinite editor-blink;display:inline-block}@keyframes editor-blink{50%{opacity:0}}@media (width<=768px){.editor[data-astro-cid-hybxx32h]{grid-template-columns:1fr}.editor__pane--output[data-astro-cid-hybxx32h]{border-left:none;border-top:1px solid var(--border-dim)}}.lesson-hero[data-astro-cid-ehxuyl4p]{padding-block:var(--space-lg) 0}.lesson-hero[data-astro-cid-ehxuyl4p] h1[data-astro-cid-ehxuyl4p]{margin-block:var(--space-xs) var(--space-sm);font-size:clamp(1.6rem,4vw,2.4rem);font-weight:900}.lesson-hero__sub[data-astro-cid-ehxuyl4p]{color:var(--text-dim);max-width:56ch}.diagram[data-astro-cid-ehxuyl4p]{padding:var(--space-lg) var(--space-md)}.diagram__svg[data-astro-cid-ehxuyl4p]{width:100%;height:auto;margin-bottom:var(--space-lg)}.diagram__list[data-astro-cid-ehxuyl4p]{gap:var(--space-md);grid-template-columns:repeat(3,1fr);display:grid}.diagram__item[data-astro-cid-ehxuyl4p] h3[data-astro-cid-ehxuyl4p]{margin-block:4px var(--space-xs);font-size:1.05rem}.diagram__body[data-astro-cid-ehxuyl4p]{color:var(--text-dim);font-size:.88rem}.outcome[data-astro-cid-ehxuyl4p]{max-width:640px;padding:var(--space-lg) var(--space-md);text-align:center;margin-inline:auto;position:relative}.outcome__badge[data-astro-cid-ehxuyl4p]{background:var(--surface-2);border:1px solid var(--border-dim);color:var(--text-dim);margin-bottom:var(--space-md);opacity:.4;border-radius:999px;align-items:center;gap:6px;padding:6px 16px;font-size:.8rem;font-weight:600;transition:opacity .3s,transform .3s,background .3s,color .3s;display:inline-flex;transform:scale(.96)}.outcome[data-astro-cid-ehxuyl4p].is-complete .outcome__badge[data-astro-cid-ehxuyl4p]{opacity:1;background:var(--grad);color:#060810;border-color:#0000;transform:scale(1)}.outcome__label[data-astro-cid-ehxuyl4p]{margin-bottom:var(--space-sm)}.outcome__text[data-astro-cid-ehxuyl4p]{white-space:pre-wrap;margin-bottom:var(--space-md);min-height:3em;font-size:1rem;line-height:1.8}.outcome__copy[data-astro-cid-ehxuyl4p]{min-width:160px}.outcome__copy[data-astro-cid-ehxuyl4p]:disabled{opacity:.5;cursor:not-allowed}@media (width<=768px){.diagram__list[data-astro-cid-ehxuyl4p]{grid-template-columns:1fr}}