/* ── NumberInput ── */
.num-input {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.num-input__label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 18px;
}

.num-input__wrapper {
  display: flex;
  align-items: center;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.15s ease;
  height: 38px;
}

.num-input__wrapper.focused {
  background: var(--surface-focus);
  border-color: var(--border-focus);
}

.num-input__affix {
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 14px;
  user-select: none;
}

.num-input__prefix {
  padding: 0 0 0 10px;
}

.num-input__suffix {
  padding: 0 10px 0 0;
}

.num-input__field {
  flex: 1;
  padding: 8px 10px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  width: 60px;
  min-width: 0;
}

/* ── Tax button ── */
.tax-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.15s ease;
}

.tax-btn:hover:not(:disabled) {
  background: #2a2822;
  color: var(--amber);
}

.tax-btn:disabled {
  cursor: default;
}

.tax-btn.applied {
  background: #1a2018;
  border-color: #2a3020;
  color: #88a050;
}

.tax-btn.dimmed {
  opacity: 0.4;
}

/* ── Shipping Selector ── */
.shipping-toggle-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--text-dim);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.shipping-toggle-btn.active {
  background: #2a2822;
  color: var(--amber);
}

.shipping-auto-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 12px;
  height: 38px;
}

.shipping-auto-rate {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
}

.shipping-upgrade-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--red);
  font-weight: 500;
}

.shipping-tier-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}