.buy-page {
  padding-top: 2.5rem;
}

.buy-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
}

.buy-card,
.info-panel,
.video-panel,
.qr-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}

.buy-card {
  padding: 1.4rem;
}

.back-link {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--text-soft);
  font-weight: 700;
}

.buy-product {
  display: grid;
  gap: 1rem;
}

.buy-product__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: calc(var(--radius-lg) - 0.3rem);
  object-fit: cover;
  background: #ffffff;
}

.theme-dark .buy-product__image {
  background: #000000;
}

.buy-product__content {
  display: grid;
  gap: 0.9rem;
}

.buy-product__description {
  color: var(--text-soft);
}

.price-stack--large strong {
  font-size: 2rem;
}

.info-panel,
.video-panel,
.qr-panel {
  padding: 1.2rem;
}

.info-panel,
.video-panel {
  margin-top: 1rem;
}

.info-list {
  padding-left: 1rem;
  margin: 0.8rem 0 0;
}

.info-list li + li {
  margin-top: 0.55rem;
}

.video-frame {
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 9;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.qr-panel {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.qr-frame {
  display: grid;
  place-items: center;
  width: min(100%, 260px);
  min-height: 260px;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(15, 17, 20, 0.08);
  transition: transform 180ms ease, box-shadow 220ms ease, opacity 220ms ease;
}

.qr-frame.is-loading {
  opacity: 0.82;
}

.qr-image {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.qr-status {
  color: #475569;
  font-size: 0.92rem;
}

.qr-details {
  display: grid;
  gap: 0.4rem;
  width: 100%;
  text-align: left;
}

.qr-panel__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.buy-form {
  display: grid;
  gap: 1rem;
}

.field-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-group--file small {
  display: block;
}

#buy-feedback {
  margin-top: 1rem;
}

@media (max-width: 960px) {
  .buy-grid,
  .field-grid {
    grid-template-columns: 1fr;
  }
}