/* --------------------------------

File#: _1_number-input
Title: Number input
Descr: Number input field with custom increment buttons
Usage: codyhouse.co/license

-------------------------------- */


/* variables */
:root {
    /* colors */
    --nd6-color-primary-hsl: 250, 84%, 54%;
    --nd6-color-bg-hsl: 0, 0%, 100%;
    --nd6-color-contrast-high-hsl: 230, 7%, 23%;
    --nd6-color-contrast-higher-hsl: 230, 13%, 9%;
    --nd6-color-primary-dark-hsl: 250, 84%, 46%;
    --nd6-color-contrast-lower-hsl: 240, 4%, 85%;
    --nd6-color-contrast-low-hsl: 240, 4%, 65%;
    --nd6-color-white-hsl: 0, 0%, 100%;
    --nd6-color-bg-dark-hsl: 240, 4%, 95%;

    /* spacing */
    --nd6-space-3xs: 0.25rem;
    --nd6-space-2xs: 0.375rem;
    --nd6-space-xs: 0.5rem;

    /* typography */
    --nd6-text-sm: 0.833rem;
}

@media(min-width: 64rem){
    :root {
        /* spacing */
        --nd6-space-3xs: 0.375rem;
        --nd6-space-2xs: 0.5625rem;
        --nd6-space-xs: 0.75rem;

        /* typography */
        --nd6-text-sm: 1rem;
    }
}

/* form elements */
.nd6-form-control {
    font-size: 1em;
    padding: var(--nd6-space-2xs) var(--nd6-space-xs);
    background: hsl(var(--nd6-color-bg-dark-hsl));
    line-height: 1.2;
    box-shadow: inset 0px 0px 0px 1px hsl(var(--nd6-color-contrast-lower-hsl));
    transition: all 0.2s ease;
    border-radius: 0.25em;
}

.nd6-form-control::placeholder {
    opacity: 1;
    color: hsl(var(--nd6-color-contrast-low-hsl));
}

.nd6-form-control:focus, .nd6-form-control:focus-within {
    background: hsl(var(--nd6-color-bg-hsl));
    box-shadow: inset 0px 0px 0px 1px hsla(var(--nd6-color-contrast-lower-hsl), 0), 0px 0px 0px 2px hsl(var(--nd6-color-primary-hsl)), 0 0.3px 0.4px rgba(0, 0, 0, 0.025),0 0.9px 1.5px rgba(0, 0, 0, 0.05), 0 3.5px 6px rgba(0, 0, 0, 0.1);
    outline: none;
}

.nd6-form-label {
    display: inline-block;
    font-size: var(--nd6-text-sm);
}

/* icons */
.nd6-icon {
    height: var(--nd6-size, 1em);
    width: var(--nd6-size, 1em);
    display: inline-block;
    color: inherit;
    fill: currentColor;
    line-height: 1;
    flex-shrink: 0;
    max-width: initial;
}

/* component */
.number-input__btn {
    display: none;
}

.number-input input::-webkit-inner-spin-button,
.number-input input::-webkit-outer-spin-button {
    display: none;
}
.number-input input {
    -moz-appearance: textfield;
    display: block;
}

.number-input__btn {
    display: flex;
    background: hsl(var(--nd6-color-contrast-lower-hsl));
}
.number-input__btn:hover {
    background-color: hsl(var(--nd6-color-contrast-low-hsl));
}
.number-input__btn:focus {
    outline: none;
    background-color: hsl(var(--nd6-color-primary-hsl));
}
.number-input__btn:focus svg {
    color: hsl(var(--nd6-color-white-hsl));
}
.number-input__btn:active {
    background-color: hsla(var(--nd6-color-primary-dark-hsl), 0.8);
}
.number-input__btn svg {
    height: var(--number-input-icon-size, 12px);
    width: var(--number-input-icon-size, 12px);
    display: block;
    margin: auto;
}

.number-input--v1 {
    --number-input-btn-width: 1.75em;
    --number-input-btn-gap: 4px;
    --number-input-btn-input-gap: var(--nd6-space-3xs);
    --number-input-icon-size: 8px;
    position: relative;
}
.number-input--v1 input {
    padding-right: calc(var(--number-input-btn-width) + var(--number-input-btn-input-gap) * 2);
    width: 100%;
    height: 100%;
}
.number-input--v1 .number-input__btns {
    position: absolute;
    top: var(--number-input-btn-input-gap);
    right: var(--number-input-btn-input-gap);
    width: var(--number-input-btn-width);
    height: calc(100% - var(--number-input-btn-input-gap) * 2);
}
.number-input--v1 .number-input__btn {
    position: absolute;
    width: 100%;
    height: calc(50% - var(--number-input-btn-gap) / 2);
    border-radius: 0.125em;
}
.number-input--v1 .number-input__btn.number-input__btn--plus {
    top: 0;
}
.number-input--v1 .number-input__btn.number-input__btn--minus {
    bottom: 0;
}

.number-input--v2 {
    --number-input-btn-width: 1.6em;
    --number-input-btn-input-gap: var(--nd6-space-3xs);
    --number-input-icon-size: 12px;
    display: flex;
    align-items: center;
}
.number-input--v2 input {
    margin: 0 var(--number-input-btn-input-gap);
    order: 1;
    flex-grow: 1;
    text-align: center;
}
.number-input--v2 .number-input__btn {
    width: var(--number-input-btn-width);
    height: var(--number-input-btn-width);
    border-radius: 50%;
    flex-shrink: 0;
}
.number-input--v2 .number-input__btn--plus {
    order: 2;
}

/* utility classes */
.nd6-margin-bottom-2xs {
    margin-bottom: var(--nd6-space-2xs);
}