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var(--brand-dark);border-radius:var(--radius-btn);box-shadow:var(--shadow-brutal-sm);padding:.7rem 1.4rem;font-size:.9rem;font-weight:700;text-decoration:none;transition:all .18s;display:inline-block}.empty-btn[data-astro-cid-upj6u3yz]:hover{background:var(--brand-dark);box-shadow:var(--shadow-brutal);transform:translateY(-1px)}.empty-btn[data-astro-cid-upj6u3yz]:active{box-shadow:none;transform:translateY(1px)}.topic-bottom-nav[data-astro-cid-upj6u3yz]{justify-content:center;margin-top:4rem;display:flex}.back-pill-btn[data-astro-cid-upj6u3yz]{background:var(--surface-card);border:var(--border-width) solid var(--border-light);border-radius:var(--radius-btn);color:var(--cf-ink);box-shadow:var(--shadow-brutal-sm);align-items:center;gap:.6rem;padding:.75rem 1.6rem;font-size:.92rem;font-weight:700;text-decoration:none;transition:all 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