style.css

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@400;700&display=swap');

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
html,body {
    overflow-x: hidden;
}
body {
    min-height: 100svh;
    font-family: 'Noto Serif TC', serif;
    background-color: #f3efea;
    background: url(https://raw.githubusercontent.com/Edit-Mr/food-personality/main/img/paper.webp);
    background-size: cover;
    font-size: 0.8rem;
}

.wrap {
    background: url(https://raw.githubusercontent.com/Edit-Mr/food-personality/main/img/paper.webp);
    background-size: cover;
}

h1 {
    font-size: 0em;
}

section {
    position: absolute;
    height: 100%;
    width: 100%;
    transition: opacity 1s;
}

.items {
    display: flex;
    height: 100%;
    width: 100%;
    overflow: scroll;
    scroll-snap-type: x mandatory;
}

.items div {
    width: 100%;
    height: 100%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-size: 3em;
    scroll-snap-align: center;
    padding: 1rem;
}

.items div button.selected {
    background: #000000b1;
    color: #fff;
}

#test .arrow {
    position: absolute;
    top: 50%;
    left: 1em;
    transform: translate(-50%, -50%);
    outline: transparent;
    border: none;
    background: transparent;
    font-size: 3em;
    transition: transform 0.3s;
    cursor: pointer;
}

#test .arrow:last-child {
    left: unset;
    right: 1em;
}

#test .arrow:last-child:hover {
    transform: translate(-20%, -50%);
}

#test .arrow:first-child:hover {
    transform: translate(-80%, -50%);
}

#test,
#today {
    opacity: 0;
    pointer-events: none;
}

#start {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 1.5rem;
}

#start button,
.items div button,
input[type="text"],
#download-button {
    padding: .8em 4em;
    border: none;
    outline: none;
    background: #fffef971;
    font-size: 1.25rem;
    font-weight: 900;
    cursor: pointer;
    margin-top: 2em;
    transition: transform .3s;
    border-radius: 1em;
    box-shadow: 0 0 10px #00000023;
    display: block;
    color: #000;
    text-decoration: none;
    text-align: center;
    font-family: 'Noto Serif TC', serif;
    max-width: 100%;
}

#start button:hover,
.items div button:hover,
#download-button:hover {
    transform: translateY(3px);
}

#start .title {
    position: relative;
}

#start .title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(/img/title.svg) no-repeat center center;
    filter: blur(.3em) opacity(.7);
    z-index: -1;
}

#start .title img {
    width: 20em;
}

#start img {
    width: 23em;
}

.too+section#today,
.started~section#test,
.end~section#result {
    opacity: 1;
    pointer-events: all;
    display: block;
}

.started,
.too,
#result,
.end {
    opacity: 0;
    pointer-events: none;
}

footer {
    position: absolute;
    bottom: 2em;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 1.5rem;
}

footer a,
#download-text {
    color: #535353;
    font-weight: 600;
}

a.credit {
    font-size: 1.1rem;
    margin-top: 2em;
    border-top: #00000023 solid 1px;
    width: 100%;
    text-align: center;
    color: #535353;
    text-decoration: none;
    display: block;
}
#download-text {
    font-size: 2rem;
}

#download-text.small {
    font-size: 1rem;
}

#download-text {
    text-align: center;
    margin-top: 1em;
}

.items .title  {
    position: absolute;
    top: 2.5rem;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: .5rem;
}
.current{
    position: fixed;
    bottom: 2.5rem;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 1rem;
    height: unset;
}
.items .title img.cap {
    height: 1rem;
}

.items .title img {
    height: 2rem;
}

h4 {
    text-align: center;
    max-width: 600px;
}

#test .arrow[disabled=""] {
    color: #00000023;
    cursor: not-allowed;
}

#result {
    display: none;
}

.loading {
    animation: shine 1s infinite alternate;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
}

@keyframes shine {
    0% {
        opacity: 1;
    }

    100% {
        opacity: .5;
    }
}

#image {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    display: block;
}

canvas {
    position: absolute;
    top: -1000vh;
    left: -1000vw;
}

.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0 1rem;
    background-size: cover;
    display: none;
}

h2 {
    font-size: 2rem;
    margin: 1.5em;
}

#feedback {
    border: none;
    outline: transparent;
    background: transparent;
    font-family: 'Noto Serif TC', serif;
    font-size: 1.5rem;
    color: #000;
    cursor: pointer;
    text-decoration: none;
}

#feedback:hover {
    text-decoration: underline;
}

#output {
    display: block;
    margin: .8em 0 .5em;
}

/********** Range Input Styles **********/
/*Range Reset*/
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    cursor: pointer;
    width: 25rem;
    display: block;
}

/* Removes default focus */
input[type="range"]:focus {
    outline: none;
}

/***** Chrome, Safari, Opera and Edge Chromium styles *****/
/* slider track */
input[type="range"]::-webkit-slider-runnable-track {
    background-color: #404040;
    height: 0.25rem;
}

/* slider thumb */
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    /* Override default look */
    appearance: none;
    margin-top: -12px;
    /* Centers thumb on the track */
    height: 2rem;
    width: 1rem;
}

input[type="range"]:focus::-webkit-slider-thumb {
    border: 1px solid #404040;
    outline: 3px solid #404040;
    outline-offset: 0.125rem;
}

/******** Firefox styles ********/
/* slider track */
input[type="range"]::-moz-range-track {
    background-color: #404040;
    height: 0.25rem;
}

/* slider thumb */
input[type="range"]::-moz-range-thumb {
    border: none;
    /*Removes extra border that FF applies*/
    border-radius: 0;
    /*Removes default border-radius that FF applies*/

    /*custom styles*/
    background-color: #000000;
    height: 2rem;
    width: .25rem;
}

input[type="range"]:focus::-moz-range-thumb {
    outline: 3px solid #404040;
    outline-offset: 0.125rem;
}

#today {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.too+section#today {
    display: flex;
}

.items>div button:last-child {
    margin-top: 1em;
}


/* fei */

.fei {
    position: fixed;
    top: 0%;
    left: 0%;
    width: 40em;
    height: 40em;
    animation-composition: accumulate;
    display: none;
}

.fei.on {
    animation: horizontal 2.6s infinite linear alternate,
        vertical 2s infinite linear alternate, hue-rotate 5s infinite linear;
    pointer-events: none;
    display: block;
}

.fei>img {
    display: block;
    position: absolute;
    width: 100%;
}

.left-wing,
.right-wing {
    z-index: 2;
    animation: rotateLeft .2s infinite alternate ease-in-out;
    transform: translateY(-5%);
}

.right-wing {
    animation: rotateRight .2s infinite alternate ease-in-out;
}

.fei>.mouse {
    left: 44.3%;
    top: 33%;
    width: 11.3%;
    z-index: 4;
    transform-origin: top;
    animation: scale 1s infinite alternate ease-in-out;
}

.face {
    z-index: 3;
}

@keyframes rotateLeft {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(-45deg);
    }
}

@keyframes rotateRight {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(45deg);
    }
}

@keyframes hue-rotate {
    0% {
        filter: hue-rotate(0deg);
    }

    100% {
        filter: hue-rotate(360deg);
    }
}

@keyframes scale {
    from {
        transform: scaleY(1);
    }

    to {
        transform: scaleY(2);
    }
}

@keyframes horizontal {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(calc(100vw - 100%));
    }
}

@keyframes vertical {
    from {
        transform: translateY(0);
    }

    to {
        transform: translateY(calc(100vh - 100%));
    }
}

@media (max-aspect-ratio: 4/3) {
    .arrow {
        display: none;
    }

    #start button,
    .items div button,
    input[type="text"],
    #download-button {
        padding: .8em 1em;
    }

    .fei {
        width: 20em;
        height: 20em;
    }
    .items div{
        font-size: 2em;
    }
}

/* @media height less than 500px */

@media (max-height: 500px) {
    body{
        font-size: 0.5rem;
    }
}