/* =========================================================
   Bundle components — legacy fallbacks.
   Most styles moved to sections-light.css + sections-dark.css
   ========================================================= */

/* Self-check list (used in TierLesson) */
.selfcheck-list {
  margin: 0; padding: 0; list-style: none; display: grid; gap: 0;
}

.selfcheck-list li {
  display: flex; gap: 14px; align-items: center;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}

.selfcheck-list li:last-child { border-bottom: 0; }

.selfcheck-list__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; min-width: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  background: var(--bg-soft);
  font-family: var(--mono);
  font-size: 10px; font-weight: 800;
  color: var(--muted);
}

.selfcheck-list__text {
  font-size: 14px; color: var(--text-soft); line-height: 1.5;
}

/* Solution check cards */
.solution-checks {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 1080px;
}

.solution-check {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 14px 14px 40px;
  position: relative;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--text);
  box-shadow: 0 1px 2px rgba(20, 33, 26, 0.03);
}

.solution-check::before {
  content: "";
  position: absolute;
  left: 14px; top: 16px;
  width: 16px; height: 16px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a34a' stroke-width='2.75' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / contain no-repeat;
}

.solution-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.solution-cta__note {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 720px) {
  .solution-checks { grid-template-columns: 1fr; }
}