input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
select,
textarea {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  padding: var(--form-element-spacing-vertical) var(--form-element-spacing-horizontal);
  vertical-align: middle;
}

input,
optgroup,
select,
textarea {
    font-size: 1rem;
    line-height: var(--line-height);
}

input {
    overflow: visible;
}

select {
    text-transform: none;
}

legend {
    max-width: 100%;
    padding: 0;
    color: inherit;
    white-space: normal;
}

textarea {
    margin: 0;
    overflow: auto;
    resize: vertical;
    resize: block;
}

[type="checkbox"],
[type="radio"] {
    padding: 0;
}

::-webkit-inner-spin-button,
::-webkit-outer-spin-button {
    height: auto;
}

[type="file"],
[type="range"] {
    padding: 0;
    border-width: 0;
}

input:not([type="checkbox"]):not([type="radio"]):not([type="range"]) {
    height: calc(
        (1rem * var(--line-height)) +
        (var(--form-element-spacing-vertical) * 2) +
        (var(--border-width) * 2)
    );
}

fieldset {
    margin: 0;
    margin-bottom: var(--spacing);
    padding: 0;
    border: 0;

    legend {
        display: block;
        margin-bottom: calc(var(--spacing) / 4);
        vertical-align: middle;
    }
}

label {
    display: block;
    margin-bottom: calc(var(--spacing) / 4);
    vertical-align: middle;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
    display: block;
    width: 100%;
}

input,
select,
textarea {
    --background-color: var(--form-element-background-color);
    --border-color: var(--form-element-border-color);
    --color: var(--form-element-color);
    --box-shadow: none;
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--border-radius);
    outline: none;
    background-color: var(--background-color);
    box-shadow: var(--box-shadow);
    color: var(--color);
    font-weight: var(--font-weight);

    @if $enable-transitions {
        transition:
            background-color var(--transition),
            border-color var(--transition),
            color var(--transition),
            box-shadow var(--transition);
    }
}

input:not([type="submit"]):not([type="button"]):not([type="reset"]):not([type="checkbox"]):not([type="radio"]):not([readonly]),
select,
textarea {
    &:active,
    &:focus {
        --background-color: var(--form-element-active-background-color);
        --border-color: var(--form-element-active-border-color);
    }

    &:focus {
        --box-shadow: 0 0 0 var(--outline-width) var(--form-element-focus-color);
    }
}

input:not([type="submit"]):not([type="button"]):not([type="reset"]),
select,
textarea {
    &[disabled] {
        --background-color: var(--form-element-disabled-background-color);
        --border-color: var(--form-element-disabled-border-color);
        opacity: var(--form-element-disabled-opacity);
    }
}

input,
select,
textarea {
    &[has-error] {
        padding-right: 2rem;
        background-position: center right .75rem;
        background-repeat: no-repeat;
        background-size: 1rem auto;
    }

    &[has-error="false"] {
        --border-color: var(--form-element-valid-border-color);
        background-image: var(--icon-valid);

        &:active,
        &:focus {
            --border-color: var(--form-element-valid-active-border-color);
        }
    }

    &[has-error="true"] {
        --border-color: var(--form-element-invalid-border-color);
        background-image: var(--icon-invalid);

        &:active,
        &:focus {
            --border-color: var(--form-element-invalid-active-border-color);
        }
    }
}

input::placeholder,
input::-webkit-input-placeholder,
textarea::placeholder,
textarea::-webkit-input-placeholder,
select:invalid {
    color: var(--form-element-placeholder-color);
    opacity: 1;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
    margin-bottom: var(--spacing);
}

select {
    &::-ms-expand {
        border: 0;
        background-color: transparent;
    }
  
    &:not([multiple]):not([size]) {
        padding-right: calc(var(--form-element-spacing-horizontal) + 1.5rem);
        background-image: var(--icon-chevron);
        background-position: center right .75rem;
        background-repeat: no-repeat;
        background-size: 1rem auto;
    }
}

input,
select,
textarea {
    + small {
        display: block;
        width: 100%;
        margin-top: calc(var(--spacing) * -0.75);
        margin-bottom: var(--spacing);
        color: var(--muted-color);
    }
}

label {
    & > input,
    & > select,
    & > textarea {
        margin-top: calc(var(--spacing) / 4);
    }
}