.level-bundles,
.level-units {
  margin-top: 2rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-heading h2,
.section-heading p {
  margin-bottom: 0;
}

.level-bundles .bundle-card {
  border-top: 4px solid #a20b3c;
  background: linear-gradient(145deg, #fff 0%, #fff8f2 100%);
}

.level-bundles .bundle-card > span {
  color: #8c1538;
  font-weight: 700;
}

.hierarchy-filter {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.4rem;
}

.structure-filter {
  grid-template-columns: repeat(3, minmax(180px, 1fr));
}

.price-choice {
  min-width: 0;
  padding: .75rem;
  border-radius: 10px;
}

.pricing-panel .unit-price {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(150px, 180px) minmax(175px, 200px);
  gap: 14px;
  align-items: center;
  padding: 14px;
}

.pricing-panel .unit-price > span {
  min-width: 0;
}

.pricing-panel .unit-price label,
.pricing-panel .unit-price input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.pricing-panel .unit-price button {
  grid-column: 1 / -1;
  width: 100%;
  min-height: 46px;
}

.price-choice.notes-price {
  background: #e7f7f5;
  border: 1px solid #99d8d0;
}

.price-choice.full-price {
  background: #fff4df;
  border: 1px solid #f1ce83;
}

.purchase-actions {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  gap: 12px !important;
  margin-top: 1rem;
}

.purchase-actions button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  width: 100%;
  margin: 0 !important;
}

.purchase-actions button small {
  color: inherit;
  font-size: .88em;
}

.purchase-notes {
  background-color: #087f79 !important;
  color: #fff !important;
}

.purchase-full {
  background-color: #9c1748 !important;
  color: #fff !important;
}

.payment-selection {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  grid-column: 1 / -1;
  padding: 1rem 1.1rem;
  border-radius: 10px;
}

.payment-selection.notes {
  background: #e7f7f5;
  border-left: 5px solid #087f79;
}

.payment-selection.full {
  background: #fff1f5;
  border-left: 5px solid #9c1748;
}

button,
#sideNav a {
  transition: transform .14s ease, box-shadow .14s ease, filter .14s ease, background-color .14s ease;
  cursor: pointer;
}

button:hover,
#sideNav a:hover {
  filter: brightness(1.06);
  box-shadow: 0 6px 16px rgba(7, 45, 61, .14);
  transform: translateY(-1px);
}

button:active,
button.click-feedback,
#sideNav a:active,
#sideNav a.click-feedback {
  filter: brightness(.92);
  box-shadow: 0 2px 6px rgba(7, 45, 61, .18);
  transform: translateY(1px) scale(.985);
}

button:focus-visible,
#sideNav a:focus-visible {
  outline: 3px solid rgba(238, 177, 24, .55);
  outline-offset: 3px;
}

button:disabled {
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 700px) {
  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .hierarchy-filter,
  .structure-filter {
    grid-template-columns: 1fr;
  }

  .unit-purchase-card {
    padding: 1.35rem;
    overflow: hidden;
  }

  .purchase-actions {
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
    width: 100%;
  }

  .purchase-actions button {
    display: flex !important;
    min-height: 54px;
    padding: .9rem 1rem;
    border-radius: 11px;
    width: 100% !important;
    max-width: 100%;
    white-space: normal;
  }
}

@media (max-width: 1100px) {
  .pricing-panel .unit-price {
    grid-template-columns: 1fr 1fr;
  }

  .pricing-panel .unit-price > span,
  .pricing-panel .unit-price button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .pricing-panel .unit-price {
    grid-template-columns: 1fr;
  }

  .pricing-panel .unit-price > span,
  .pricing-panel .unit-price button {
    grid-column: 1;
  }
}