/* components/form.css — Form system */
/* ── Form system (cart · login · order) ── */
.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-field + .form-field {
    margin-top: 1.25rem;
}

.form-label {
    font-size: var(--text-ui-sm);
    font-weight: 700;
    letter-spacing: var(--tracking-ko-ui);
    color: var(--gray-700);
    line-height: var(--leading-ko-body);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    border: 1px solid var(--form-border);
    border-radius: var(--form-radius);
    background-color: var(--form-bg);
    color: var(--gray-900);
    font-size: var(--text-body);
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input.form-input,
select.form-select,
form input:not([type='checkbox']):not([type='radio']):not([type='hidden']):not([type='file']):not([type='button']):not([type='submit']):not([type='reset']):not(.cart-item__qty-input):not(.num_input),
form select:not([multiple]) {
    box-sizing: border-box;
    height: var(--form-control-height);
    min-height: var(--form-control-height);
    max-height: var(--form-control-height);
    padding: 0 1rem;
    line-height: calc(var(--form-control-height) - 2px);
}

.form-textarea,
textarea.form-input,
form textarea {
    height: auto;
    min-height: auto;
    max-height: none;
    padding: 0.875rem 1rem;
    line-height: var(--leading-ko-body);
}

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

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: color-mix(in srgb, var(--brand-green) 25%, var(--form-border));
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--form-border-focus);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-green) 15%, transparent);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--surface-muted);
    color: var(--text-subtle);
    cursor: not-allowed;
}

.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
    border-color: var(--form-error);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--form-error);
    margin-top: 0.25rem;
}

.form-help {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.form-row {
    display: grid;
    gap: 1rem;
}

.form-row .form-field + .form-field {
    margin-top: 0;
}

@media (min-width: 768px) {
    .form-row--2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-check {
    display: inline-flex;
    align-items: flex-start;
    gap: 0.625rem;
    cursor: pointer;
}

.form-check__input {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    accent-color: var(--brand-green);
    flex-shrink: 0;
}

.form-check__label {
    font-size: var(--text-ui-md);
    color: var(--gray-900);
    line-height: 1.5;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

@media (min-width: 768px) {
    .form-actions--row {
        flex-direction: row;
        align-items: center;
    }
}