.tv-actions { margin: 0.4rem 0 0.6rem; }
.tv-add {
  display: inline-block;
  background: linear-gradient(100deg, #6366f1, #22d3ee);
  color: #0c1020;
  font-weight: 800;
  text-decoration: none;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
}
.tv-add:hover { filter: brightness(1.05); }
.tv-lite { color: var(--muted); max-width: 68ch; }
.tv-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 1rem 0.9rem;
  margin: 1.2rem 0 1.4rem;
  background: var(--elev);
}
.tv-toc p { margin: 0 0 0.4rem; font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.tv-toc ol { margin: 0; padding-left: 1.2rem; columns: 2; }
.tv-toc li { margin: 0.15rem 0; break-inside: avoid; }
.tv-body h2, .tv-body h3 { scroll-margin-top: 84px; }
.tv-rule {
  border: 0;
  border-top: 1px solid var(--line-strong);
  color: transparent;
  font-size: 0;
  line-height: 0;
  margin: 1.1rem 0;
  user-select: none;
}
.tv-body pre { overflow: auto; }
@media (max-width: 720px) {
  .tv-toc ol { columns: 1; }
}