.checkout-page {
  width: 100%;
}

.checkout-page__container {
  width: 100%;
  max-width: 1504px;
  margin: 0 auto;
  padding: 40px 16px 72px;
}

.checkout-page__hero {
  margin-bottom: 28px;
}

.checkout-page__eyebrow {
  margin: 0 0 12px;
  color: var(--link-color);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.checkout-page__title {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.08;
}

.checkout-page__description {
  max-width: 800px;
  margin: 16px 0 0;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.7;
}

.checkout-page__layout {
  display: grid;
  gap: 20px;
  align-items: start;
}

.checkout-card,
.checkout-summary__card,
.checkout-success-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-card);
}

.checkout-card,
.checkout-success-card {
  padding: 28px;
}

.checkout-summary__card {
  padding: 24px;
}

.checkout-card__title,
.checkout-summary__title {
  margin: 0;
  color: var(--text-primary);
  font-size: 24px;
  font-weight: 700;
}

.checkout-form {
  margin-top: 24px;
}

.checkout-form__grid {
  display: grid;
  gap: 16px;
}

.checkout-form__field {
  display: block;
}

.checkout-form__field + .checkout-form__field,
.checkout-form__grid + .checkout-form__field,
.checkout-form__field + .checkout-form__grid,
.checkout-form__grid + .checkout-form__grid {
  margin-top: 18px;
}

.checkout-form__label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
}

.checkout-form__input,
.checkout-form__textarea,
.admin-orders-filter__select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #fbfbfc;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.checkout-form__input,
.admin-orders-filter__select {
  height: 52px;
  padding: 0 16px;
}

.checkout-form__textarea {
  min-height: 132px;
  padding: 14px 16px;
  resize: vertical;
}

.checkout-form__input:hover,
.checkout-form__textarea:hover,
.admin-orders-filter__select:hover {
  background: #ffffff;
}

.checkout-form__input:focus,
.checkout-form__textarea:focus,
.admin-orders-filter__select:focus {
  border-color: var(--link-color);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(134, 84, 204, 0.12);
}

.checkout-form__error,
.admin-order-detail__status-message {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.5;
}

.checkout-form__error,
.admin-order-detail__status-message--error {
  background: var(--danger-soft);
  color: var(--danger-strong);
}

.admin-order-detail__status-message--success {
  background: var(--success-soft);
  color: var(--success-strong);
}

.checkout-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
}

.checkout-form__submit,
.checkout-form__secondary-link,
.checkout-form__submit--inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.checkout-form__submit,
.checkout-form__submit--inline {
  background: var(--button-color);
  color: #ffffff;
  box-shadow: 0 14px 24px rgba(149, 94, 226, 0.18);
}

.checkout-form__secondary-link {
  background: var(--background-vtor);
  color: var(--text-primary);
}

.checkout-form__submit:hover,
.checkout-form__submit--inline:hover,
.checkout-form__secondary-link:hover {
  transform: translateY(-1px);
}

.checkout-form__submit:hover,
.checkout-form__submit--inline:hover {
  background: var(--button-hover);
}

.checkout-form__secondary-link:hover {
  background: var(--background-vtor-hover);
}

.checkout-form__submit:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.checkout-summary__items {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.checkout-summary__item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #eceff3;
}

.checkout-summary__item-title,
.admin-order-detail__item-title {
  margin: 0;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
}

.checkout-summary__item-meta,
.admin-order-detail__item-meta {
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 13px;
}

.checkout-summary__item-total {
  color: var(--text-primary);
}

.checkout-summary__totals {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid #eceff3;
}

.checkout-summary__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text-secondary);
}

.checkout-summary__row strong {
  color: var(--text-primary);
}

.checkout-summary__row--total {
  font-size: 18px;
}

.checkout-success-page {
  min-height: calc(100vh - 96px);
}

.checkout-success-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 960px) {
  .checkout-page__layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 400px);
  }

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

@media (max-width: 640px) {
  .checkout-page__container {
    padding: 32px 16px 56px;
  }

  .checkout-card,
  .checkout-summary__card,
  .checkout-success-card {
    padding: 24px;
  }

  .checkout-form__actions {
    align-items: stretch;
  }

  .checkout-form__submit,
  .checkout-form__secondary-link,
  .checkout-form__submit--inline {
    width: 100%;
  }

  .checkout-summary__item {
    flex-direction: column;
  }
}