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var(--border);background:var(--bg-card);color:var(--text);font-size:.8rem;font-weight:500;text-decoration:none}.source-pill[data-astro-cid-hklypf64]:hover{border-color:var(--border-strong);background:var(--accent-soft);text-decoration:none}.split[data-astro-cid-j7pv25f6]{padding-block:0 var(--space-6)}.split-grid[data-astro-cid-j7pv25f6]{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5);align-items:start;position:relative}.split-col[data-astro-cid-j7pv25f6]{position:relative}.brain-col[data-astro-cid-j7pv25f6]:before,.body-col[data-astro-cid-j7pv25f6]:before{content:"";position:absolute;top:-.4rem;left:0;right:0;height:2px;border-radius:2px}.brain-col[data-astro-cid-j7pv25f6]:before{background:linear-gradient(90deg,var(--accent),transparent)}.body-col[data-astro-cid-j7pv25f6]:before{background:linear-gradient(90deg,transparent,var(--accent))}@media(max-width:860px){.split-grid[data-astro-cid-j7pv25f6]{grid-template-columns:1fr}}.back-to-top[data-astro-cid-j7pv25f6]{position:fixed;right:var(--space-5);bottom:var(--space-5);z-index:50;display:inline-flex;align-items:center;gap:.3rem;padding:.5rem .85rem;border-radius:999px;background:var(--accent);color:#fff;font-size:.8rem;font-weight:600;box-shadow:var(--shadow);opacity:0;transform:translateY(.4rem);pointer-events:none;transition:opacity .2s ease,transform .2s ease}.back-to-top[data-astro-cid-j7pv25f6].visible{opacity:1;transform:translateY(0);pointer-events:auto}.back-to-top[data-astro-cid-j7pv25f6]:hover{text-decoration:none;background:var(--accent-hover)}@media print{.back-to-top[data-astro-cid-j7pv25f6]{display:none}}