.nav-buy {
  min-width: 84px;
  min-height: 42px;
  border: 1px solid rgba(242, 189, 78, 0.62);
  border-radius: 999px;
  background: linear-gradient(135deg, #ffe08a, #c7831e);
  color: #150f08;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 900;
  cursor: pointer;
}

.buy-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.buy-modal.is-open {
  display: flex;
}

.buy-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.74);
}

.buy-dialog {
  position: relative;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  width: min(980px, 100%);
  max-height: min(760px, calc(100svh - 48px));
  padding: clamp(1rem, 3vw, 1.6rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  background: #101318;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
  overflow: auto;
}

.buy-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: #191d24;
  color: var(--ink);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.buy-summary,
.buy-form {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.buy-summary img {
  width: 72px;
  border-radius: 18px;
  margin-bottom: 1.2rem;
}

.buy-summary h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
}

.buy-summary p,
.buy-form label,
.buy-checkbox span {
  color: var(--muted);
  line-height: 1.55;
}

.buy-price {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(242, 189, 78, 0.28);
  border-radius: 12px;
  background: rgba(242, 189, 78, 0.08);
}

.buy-price strong {
  color: var(--gold);
}

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

.buy-form label {
  display: grid;
  gap: 0.45rem;
  font-size: 0.92rem;
  font-weight: 800;
}

.buy-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.buy-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: #090b0f;
  color: var(--ink);
  font: inherit;
}

.buy-checkbox {
  grid-template-columns: auto 1fr;
  align-items: start;
  padding: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.buy-checkbox input {
  width: 18px;
  min-height: 18px;
  margin-top: 0.2rem;
}

.buy-submit {
  min-height: 56px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffe08a, #d49127);
  color: #171009;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

body.buy-open {
  overflow: hidden;
}

@media (max-width: 780px) {
  .buy-dialog,
  .buy-row {
    grid-template-columns: 1fr;
  }

  .buy-dialog {
    padding-top: 3.2rem;
  }
}