/* UnitInput Component Styles */

.mint-unit-input {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

/* ---------- Controls row (value input + unit chip) ---------- */

.mint-unit-input__controls {
  display: flex;
  align-items: stretch;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  overflow: hidden;
}

.mint-unit-input__controls--sm { min-height: var(--form-height-sm); }
.mint-unit-input__controls--md { min-height: var(--form-height-md); }
.mint-unit-input__controls--lg { min-height: var(--form-height-lg); }

.mint-unit-input__controls:hover:not(:focus-within):not(:has(:disabled)) {
  border-color: var(--_field-border-hover);
}

.mint-unit-input__controls:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring-soft);
}

.mint-unit-input--error .mint-unit-input__controls,
.mint-unit-input--error .mint-unit-input__controls:hover {
  border-color: var(--mint-error);
}

.mint-unit-input--error .mint-unit-input__controls:focus-within {
  box-shadow: var(--focus-ring-soft-error);
}

/* Disabled per 1e: tinted field + muted text, no opacity. */
.mint-unit-input--disabled .mint-unit-input__controls {
  background-color: var(--bg-tertiary);
}

.mint-unit-input--disabled .mint-unit-input__value {
  color: var(--text-muted);
}

/* ---------- Value input — Fira Code, left-aligned ---------- */

.mint-unit-input__value {
  flex: 1;
  min-width: 0;
  text-align: left;
  background-color: transparent;
  color: var(--text-primary);
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  -webkit-appearance: textfield;
  -moz-appearance: textfield;
  appearance: textfield;
}

.mint-unit-input__value::-webkit-outer-spin-button,
.mint-unit-input__value::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.mint-unit-input__value:disabled { cursor: not-allowed; }

/* Horizontal padding matches BaseInput canonical scale (10/12/16) so FormField's
   12px label indent aligns with the value text across all input types. */
.mint-unit-input__value--sm { padding: 0.375rem 0.625rem; font-size: 0.875rem; }
.mint-unit-input__value--md { padding: 0.5rem 0.75rem;    font-size: 0.875rem; }
.mint-unit-input__value--lg { padding: 0.75rem 1rem;      font-size: 1rem; }

/* ---------- Unit segment = BaseInput #suffix look (1e / 4b) ---------- */

.mint-unit-input__unit {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  width: 64px; /* fixed: switching µL / mL / nL never changes the field width */
  box-sizing: border-box;
  margin: 0;
  padding: 0 0.5rem 0 0.625rem;
  border: 0;
  border-left: 1px solid var(--border-light);
  border-radius: 0;
  background-color: var(--bg-primary);
  color: var(--text-secondary-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

button.mint-unit-input__unit {
  cursor: pointer;
}

/* Keyboard focus: the whole field carries the focus ring (:focus-within); the segment tints. */
button.mint-unit-input__unit:hover:not(:disabled),
button.mint-unit-input__unit:focus-visible,
.mint-unit-input__unit--open {
  background-color: var(--bg-hover);
}

button.mint-unit-input__unit:focus-visible {
  outline: none;
}

.mint-unit-input__unit:disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}

.mint-unit-input__chevron {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  color: var(--text-secondary);
  transition: transform 0.15s ease;
}

.mint-unit-input__unit--open .mint-unit-input__chevron {
  transform: rotate(180deg);
}

/* ---------- Unit menu (.mint-popover + .mint-menu-item) ---------- */

.mint-unit-input__menu {
  position: fixed;
  z-index: 1000;
  width: 148px;
}

.mint-unit-input__menu .mint-menu-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.mint-unit-input__menu-group {
  padding: 4px 8px 2px;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

/* ---------- Conversion hint: the number users check, so readable ---------- */

.mint-unit-input__hint {
  padding-left: 0.125rem;
  color: var(--text-secondary-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

@media (prefers-reduced-motion: reduce) {
  .mint-unit-input__controls,
  .mint-unit-input__unit,
  .mint-unit-input__chevron {
    transition: none;
  }
}