.billing-page {
  display: grid;
  gap: 12px;
}

.billing-head {
  align-items: center;
}

.billing-back {
  white-space: nowrap;
}

.billing-panel {
  padding: 18px;
  display: grid;
  gap: 16px;
}

.billing-highlights {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-gray-50);
  padding: 12px 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.billing-addons {
  display: grid;
  gap: 14px;
}

.billing-addons-form {
  display: grid;
  gap: 14px;
}

.billing-addons__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.billing-addons__actions {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
}

.billing-addon {
  display: grid;
  gap: 14px;
}

.billing-addon__head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.billing-addon__head h2 {
  margin: 0;
  font-size: var(--text-2xl);
  line-height: 1.15;
}

.billing-addon__head p {
  margin: 2px 0 0;
  color: var(--color-gray-700);
  font-size: var(--text-base3);
}

.billing-addon__icon {
  width: 36px;
  height: 36px;
}

.billing-addon__state {
  justify-self: end;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: var(--text-sm2);
  font-weight: 700;
}

.billing-addon__state--active {
  background: rgba(22, 163, 74, 0.12);
  color: #166534;
}

.billing-addon__state--inactive {
  background: rgba(148, 163, 184, 0.18);
  color: #475569;
}

.billing-addon__form {
  display: grid;
  gap: 12px;
}

.billing-addon__toggle {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-gray-50);
}

.billing-addon__toggle input {
  margin-top: 2px;
  width: 18px;
  height: 18px;
}

.billing-addon__toggle strong {
  display: block;
  color: var(--color-primary);
  font-size: var(--text-base1);
}

.billing-addon__toggle small {
  display: block;
  color: var(--color-gray-700);
  font-size: var(--text-base4);
  line-height: 1.4;
}

.billing-addon__actions {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
}

.billing-addon__note {
  margin: 0;
  color: var(--color-gray-700);
  font-size: var(--text-base3);
}

.billing-highlight {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.billing-highlight .icon-tone {
  width: 30px;
  height: 30px;
}

.billing-highlight h2 {
  font-size: var(--text-base3);
  color: var(--color-primary);
  margin-bottom: 4px;
}

.billing-highlight p {
  font-size: var(--text-base4);
  color: var(--color-gray-700);
}

.billing-plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.billing-plan {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: grid;
  gap: 10px;
  background: var(--color-surface);
  overflow: visible;
}

.billing-plan.is-active {
  border-color: #84a3ff;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.2);
}

.billing-plan__ribbon {
  position: absolute;
  top: -11px;
  right: 14px;
  z-index: 2;
  margin: 0;
  padding: 5px 14px 5px 16px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #fff;
  font-size: var(--text-sm5);
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 18px rgba(249, 115, 22, 0.24);
  pointer-events: none;
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 12px 100%, 0 50%);
}

.billing-plan__head {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.billing-plan__head h2 {
  font-size: var(--text-3xl);
  line-height: 1.1;
}

.billing-plan__head p {
  color: var(--color-gray-700);
  font-size: var(--text-base4);
}

.billing-plan__price strong {
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.billing-plan__price span {
  margin-left: 4px;
  color: var(--color-gray-700);
  font-weight: 600;
}

.billing-plan__yearly {
  color: var(--color-gray-700);
  font-size: var(--text-base3);
}

.billing-plan__badge {
  justify-self: start;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--bg-blue-subtle);
  color: var(--color-primary);
  font-size: var(--text-sm5);
  font-weight: 700;
}

.billing-plan__features {
  display: grid;
  gap: 8px;
  color: var(--color-gray-800);
  font-size: var(--text-base3);
}

.billing-plan__features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.billing-plan__features .icon {
  color: #16a34a;
}

.billing-plan__cta-form {
  margin-top: 4px;
}

.billing-plan__footnote {
  text-align: center;
  color: #16a34a;
  font-size: var(--text-base4);
  font-weight: 700;
}

.billing-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 14px;
}

.billing-compare {
  display: grid;
  gap: 12px;
}

.billing-compare__head {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: flex-start;
}

.billing-compare__plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(74px, 1fr));
  gap: 10px;
}

.billing-compare__plan strong {
  display: block;
  font-size: var(--text-xl);
}

.billing-compare__plan span {
  font-size: var(--text-base4);
  color: var(--color-gray-700);
}

.billing-compare__plan--blue strong { color: #2563eb; }
.billing-compare__plan--green strong { color: #16a34a; }
.billing-compare__plan--orange strong { color: #f59e0b; }
.billing-compare__plan--purple strong { color: #9333ea; }

.billing-compare__table-wrap {
  overflow-x: auto;
}

.billing-compare__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.billing-compare__table th,
.billing-compare__table td {
  padding: 9px 6px;
  border-top: 1px solid var(--color-border);
}

.billing-compare__table th {
  text-align: left;
  font-weight: 500;
}

.billing-compare__table td {
  text-align: center;
  color: #16a34a;
}

.billing-assist h2 {
  font-size: var(--text-2xl);
}

.billing-assist p {
  margin-top: 8px;
  color: var(--color-gray-700);
  font-size: var(--text-base3);
}

.billing-assist ul {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.billing-assist li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.billing-assist__actions {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

@media (max-width: 1399px) {
  .billing-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .billing-plans {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1199px) {
  .billing-bottom {
    grid-template-columns: minmax(0, 1fr);
  }

  .billing-addon__head {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .billing-addon__state {
    justify-self: start;
  }
}

@media (max-width: 640px) {
  .billing-head {
    align-items: flex-start;
  }

  .billing-highlights,
  .billing-plans {
    grid-template-columns: minmax(0, 1fr);
  }

  .billing-compare__head {
    flex-direction: column;
  }

  .billing-compare__plans {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .billing-addon__head {
    grid-template-columns: minmax(0, 1fr);
  }

  .billing-addon__icon {
    display: none;
  }

  .billing-addon__state {
    justify-self: start;
  }

  .billing-addon__actions {
    justify-content: stretch;
  }

  .billing-addon__actions .button {
    width: 100%;
  }
}