:root {
    /* Custom properties to easily adjust the checkbox */
    --checkbox-height: 80px;
    --checkbox-width: 80px;
    --checkbox-color: #5128c6;
}

* {
    box-sizing: border-box;
}

body {
    /* Center the checkbox in the viewport */
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    background-color: #f5f5f5;
}

/* Hide the native checkbox */
.checkbox {
    display: none;
}

.checkbox + label {
    width: var(--checkbox-width);
    height: var(--checkbox-height);
    border: 2px solid #c2c2c2;
    border-radius: 4px;
    background-color: white;
    cursor: pointer;

    /* Flex center the inner content (inner box) */
    display: inline-flex;
    align-items: center;
    justify-content: center;

    /* Smooth transition for hover effect */
    transition: border-color 0.3s ease;
    position: relative;
}

/* On hover, change the border color */
.checkbox + label:hover {
    border-color: var(--checkbox-color);
}

/* Inner box (the fill that appears when checked) */
.checkbox + label .inner-box {
    width: 85%;
    height: 85%;
    background-color: var(--checkbox-color);
    border-radius: 2px;

    /* Hidden by default */
    display: none;
}

/* When checkbox is checked, show the inner box */
.checkbox:checked + label .inner-box {
    display: block;
}




.checkbox + label {
    width: var(--checkbox-width);
    height: var(--checkbox-height);
    border-radius: 4px;
    background-color: white;
    cursor: pointer;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    /* Reserve space for border using box-shadow */
    border: 2px solid transparent;
    box-shadow: 0 0 0 2px #c2c2c2;

    transition: box-shadow 0.3s ease, background-color 0.3s ease;
    position: relative;
}

.checkbox + label:hover {
    box-shadow: 0 0 0 2px var(--checkbox-color);
}

.checkbox:focus + label,
label:active {
    outline: none;
    box-shadow: 0 0 0 2px #CFBFFF;
}