/* ==========================================================================
   Form Components
   ========================================================================== */

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: 40px;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-textarea {
  min-height: 96px;
  resize: vertical;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-secondary);
}

.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.form-helper {
  font-size: var(--font-size-caption);
  color: var(--color-text-secondary);
}

.form-error {
  font-size: var(--font-size-caption);
  color: var(--color-danger);
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.form-check label {
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
}

/* Switch */
.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 40px;
  height: 24px;
  flex-shrink: 0;
}

.switch input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.switch-track {
  position: absolute;
  inset: 0;
  background-color: var(--color-border);
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-fast);
}

.switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: #ffffff;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.switch input:checked + .switch-track {
  background-color: var(--color-primary);
}

.switch input:checked ~ .switch-thumb {
  transform: translateX(16px);
}

.switch input:focus-visible ~ .switch-track {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Date picker trigger — full picker UI is a later enhancement */
.date-picker-input {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}