/**
 * Form Components
 * 
 * Unified form field styles following design system tokens
 * BEM naming convention for maintainability
 */

/* Form Field Container */
.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

/* Form Field Label */
.form-field__label {
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    line-height: var(--line-height-normal);
}

.form-field__label--required::after {
    content: ' *';
    color: var(--color-danger);
}

/* Form Field Input/Select/Textarea Base */
.form-field__input,
.form-field__select,
.form-field__textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: var(--border-width-base) solid var(--color-border);
    border-radius: var(--border-radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-light);
    transition: var(--transition-base);
}

.form-field__input:focus,
.form-field__select:focus,
.form-field__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
}

.form-field__input:disabled,
.form-field__select:disabled,
.form-field__textarea:disabled {
    background-color: var(--color-gray-100);
    color: var(--color-text-lighter);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-field__input::placeholder,
.form-field__textarea::placeholder {
    color: var(--color-text-lighter);
    opacity: 0.7;
}

/* Textarea Specific */
.form-field__textarea {
    min-height: 100px;
    resize: vertical;
}

/* Checkbox and Radio Styles */
.form-field__checkbox,
.form-field__radio {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form-field__checkbox-label,
.form-field__radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    color: var(--color-text);
    cursor: pointer;
    user-select: none;
}

/* Error State */
.form-field--error .form-field__input,
.form-field--error .form-field__select,
.form-field--error .form-field__textarea {
    border-color: var(--color-danger);
}

.form-field--error .form-field__input:focus,
.form-field--error .form-field__select:focus,
.form-field--error .form-field__textarea:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Error Message */
.form-field__error {
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    line-height: var(--line-height-normal);
    margin-top: calc(var(--spacing-1) * -1);
}

/* Success State */
.form-field--success .form-field__input,
.form-field--success .form-field__select,
.form-field--success .form-field__textarea {
    border-color: var(--color-success);
}

.form-field--success .form-field__input:focus,
.form-field--success .form-field__select:focus,
.form-field--success .form-field__textarea:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Help Text */
.form-field__help {
    font-family: var(--font-family-base);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    line-height: var(--line-height-normal);
    margin-top: calc(var(--spacing-1) * -1);
}

/* Form Group (for inline fields) */
.form-group {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-end;
}

.form-group .form-field {
    flex: 1;
    margin-bottom: 0;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .form-field__input,
    .form-field__select,
    .form-field__textarea {
        transition: none;
    }
}