<div class="screen">
    <div class="row">
        <input id="button-1" name="button-1" type="checkbox"></input>
        <label for="button-1" class="button">➡</label>
    
        <input id="dot" name="dot" type="checkbox" class="dot"></input>
        <label for="dot" class="dot"></label>

        <input id="button-2" name="button-2" type="checkbox"></input>
        <label for="button-2" class="button button-square button-border">⬅</label>
    </div>
    <div class="row">
        <div class="bevel">
            <strong>Let's go!</strong>
            <button class="button button-round"><span class="arrow"></span></button>
        </div>
    </div>
</div>

// TODO: More neumorphic UI components, not just buttons and checkboxes/radios.

$baseHue: 215;
$baseSat: 50%;
$baseLum: 90;
$baseColor: hsl($baseHue, $baseSat, $baseLum);
$bgColor: hsl($baseHue, $baseSat, $baseLum - 2);

body {
    align-items: center;
    background-color: $bgColor;
    display: flex;
    flex-direction: column;
    height: 100vh;
    justify-content: center;
    margin: 0;
    width: 100vw;
    
    * {
        box-sizing: border-box;
        font-family: Montserrat, sans-serif;
    }
}

.bevel {
    align-items: center;
    border-radius: 12px;
    box-shadow:
        3px 3px 6px 3px rgba(0, 0, 0, 0.1),
        -3px -3px 3px 3px rgba(247, 251, 255, 0.5),
        3px 3px 8px 2px rgba(0, 0, 0, 0) inset,
        -3px -3px 7px 2px rgba(247, 251, 255, 0) inset;
    display: flex;
    justify-content: space-around;
    padding: 12px 24px;;
    transition: border 0.1s ease, box-shadow 0.1s ease;
    
    span {
        margin-right: 20px;
    }
    
    strong {
        margin-right: 20px;
    }
}

button {
    .arrow {
        border-right: 2px solid hsl($baseHue, $baseSat, 80%);
        border-top: 2px solid hsl($baseHue, $baseSat, 80%);
        display: inline-block;
        height: 16px;
        margin-right: 0;
        transform: translateX(-4px) rotate(45deg);
        width: 16px;
    }
}

.button {
    align-items: center;
    background-color: $baseColor;
    border: 3px solid transparent;
    box-shadow:
        3px 3px 6px 3px rgba(0, 0, 0, 0.1),
        -3px -3px 3px 3px rgba(247, 251, 255, 0.5),
        3px 3px 8px 2px rgba(0, 0, 0, 0) inset,
        -3px -3px 7px 2px rgba(247, 251, 255, 0) inset;
    color: transparent;
    cursor: pointer;
    display: flex;
    font-size: 1.5em;
    height: 48px;
    justify-content: center;
    position: relative;
    -webkit-text-stroke: 1px #7989A4;
    text-stroke: 1px solid #7989A4;
    transition: border 0.1s ease, box-shadow 0.1s ease, color 0.1s ease, text-stroke 0.1s ease, -webkit-text-stroke 0.1s ease;
    width: 48px;
    
    &-border {
        background: linear-gradient($baseColor, $baseColor),
                linear-gradient(135deg, #fff 0%, #B5BEC8 100%);
        border: 6px solid transparent;
        border-radius: 14px;
        background-repeat: no-repeat;
        background-origin: padding-box, border-box;
        
        &::before {
            border: 3px solid $baseColor;
            border-radius: 10px;
            bottom: -3px;
            content: "";
            left: -3px;
            right: -3px;
            position: absolute;
            top: -3px;
        }   
    }
    
    &-round {
        border-radius: 50%;
        
        &:active {
            box-shadow:
                3px 3px 6px 3px rgba(0, 0, 0, 0),
                -3px -3px 3px 3px rgba(247, 251, 255, 0),
                3px 3px 8px 2px rgba(0, 0, 0, 0.1) inset,
                -3px -3px 7px 2px rgba(247, 251, 255, 0.7) inset;
        }
    }
    
    &-square {
        height: 64px;
        width: 64px;
    }
}

.dot {
    background: linear-gradient(135deg, rgba(247, 251, 255, 0.7) 20%, rgba(0, 0, 0, 0.125) 100%);
    border: 2px solid $baseColor;
    border-radius: 16px;
    box-shadow: 3px 3px 6px 2px rgba(0, 0, 0, 0.1), -3px -3px 5px 1px rgba(247, 251, 255, 0.5);
    cursor: pointer;
    height: 32px;
    margin: 0 16px;
    width: 32px;
}

.row {
    align-items: center;
    display: flex;
    justify-content: space-around;
    width: 80%;
    
    input {
        display: none;
        
        &:checked {
            & + .button {
                border: 3px solid lighten(hsl(210, 50%, 90%), 2);
                box-shadow:
                    3px 3px 6px 3px rgba(0, 0, 0, 0),
                    -3px -3px 3px 3px rgba(247, 251, 255, 0),
                    3px 3px 8px 2px rgba(0, 0, 0, 0.1) inset,
                    -3px -3px 7px 2px rgba(247, 251, 255, 0.7) inset;
                color: #7989A4;
                -webkit-text-stroke: 1px transparent;
                text-stroke: 1px transparent;

                &.button-border {
                    border: 6px solid transparent;
                }
            }
            + .dot {
                background: linear-gradient(-45deg, rgba(247, 251, 255, 0.4) 20%, rgba(0, 0, 0, 0.2) 100%);
            }
        }
    }
}

.screen {
    align-items: center;
    background: linear-gradient(135deg, $baseColor, $baseColor);
    border-radius: 32px;
    box-shadow: inset 5px 5px 7px 5px rgba(0, 0, 0, 0.1), inset -5px -5px 7px 5px rgba(247, 251, 255, 0.6);
    display: flex;
    flex-direction: column;
    height: 300px;
    justify-content: space-around;
    max-width: 490px;
    width: 60vw;
}