.warning-banner {
  margin-bottom: 16px;
  background: #fff8e6;
  border: 1px solid #f3d775;
  border-radius: 10px;
  overflow: hidden;
}

.warning-banner[hidden] { display: none; }

.warning-summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #6b4f00;
  user-select: none;
}

.warning-summary::-webkit-details-marker { display: none; }

.warning-summary::after {
  content: '▸';
  margin-left: auto;
  font-size: 12px;
  color: #6b4f00;
  transition: transform 0.15s ease;
}

.warning-banner[open] .warning-summary::after {
  transform: rotate(90deg);
}

.warning-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #d99e00;
  color: white;
  font-size: 13px;
  font-weight: 700;
}

.warning-toggle-hint {
  margin-left: 4px;
  font-weight: 400;
  font-size: 12px;
  color: #8a7430;
}

.warning-banner[open] .warning-toggle-hint { display: none; }

.warning-list {
  margin: 0;
  padding: 4px 20px 14px 44px;
  list-style: disc;
  color: #4a3700;
  font-size: 13.5px;
  line-height: 1.55;
}

.warning-list li + li { margin-top: 4px; }

/* ── Mobile (≤ 720px) ─────────────────────────────────────────────
   Compact warning banner with reduced inset list padding. */
@media (max-width: 720px) {
  .warning-summary {
    padding: 10px 12px;
    font-size: 13px;
    gap: 8px;
  }

  .warning-toggle-hint { display: none; }

  .warning-list {
    padding: 4px 14px 12px 32px;
    font-size: 13px;
  }
}