style.scss

* {
    padding: 0;
    margin: 0;
    font-family: "Inter", sans-serif;
}

:root {
    --yellow: #e1ba30;
    --green: #30e1b7;
}

canvas {
    width: 100vw !important;
    height: 100vh !important;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

h1 {
    font-weight: 900;
    color: var(--green);
    text-shadow: 0px 2px 5px rgba(0, 0, 0, 0.5);
    font-size: 2.75rem;
}

strong {
    color: var(--yellow);
}

small {
    font-size: 14px;
}

.error {
    display: none;
    margin-top: 5px;
    color: rgb(237, 44, 37);
}

.btn-ghc {
    font-size: inherit;
    background: linear-gradient(
        103.98deg,
        var(--green) 6.28%,
        var(--yellow) 100%
    );
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
    border-radius: 100px;
    outline: none;
    border: 0;
    padding: 20px;
    color: #fff;
    cursor: pointer;
    filter: brightness(1.1);
    transition: filter 250ms ease;
    &:hover {
        filter: none;
    }
    &.inactive {
        filter: grayscale(1) brightness(1.1);
    }
    &.inactive:hover {
        filter: grayscale(1);
    }
}

a {
    text-decoration: none;
    cursor: pointer;
}

.canvas-ui {
    position: absolute;
    z-index: 1;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    overflow: hidden;
    & .buttons-options {
        position: absolute;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
        right: 0;
        text-align: center;
        top: 60%;
        bottom: 20%;
        padding-right: 1.5rem;
        transition: opacity 400ms ease;
    }
    & button,
    & a,
    input {
        pointer-events: all;
    }
}

nav {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
}

.nav-title {
    background: linear-gradient(90deg, var(--green) 0%, var(--yellow) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.75rem;
    font-weight: 700;
    z-index: 2;
    color: rgba(0, 0, 0, 0.35);
    filter: drop-shadow(0 3px 3px) brightness(1.1);
}

footer {
    position: absolute;
    bottom: 0;
    display: flex;
    align-items: center;
    padding: 1rem 2.5rem;
    z-index: 2;
    .footer-link {
        color: var(--green);
        text-shadow: 0px 2px 5px rgba(0, 0, 0, 0.75);
    }
}

.display-info {
    position: absolute;
    top: 10px;
    color: #fff;
    text-shadow: 0px 2px 5px rgba(0, 0, 0, 0.75);
    font-size: 28px;
    text-align: center;
    transform: translateY(-150%);
    transition: transform 1000ms ease;
    display: flex;
    gap: 30px;
    justify-content: center;
    width: 100%;
}

.selection-screen {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.3);
    inset: 0;
    font-size: 20px;
    text-align: center;
    padding-top: 10%;
    pointer-events: all;
    z-index: 1;
    transition: padding-top 700ms ease, top 700ms ease, opacity 400ms ease;
    h3 {
        font-weight: normal;
        color: #fff;
        margin: 40px 0;
        text-shadow: 0px 2px 5px rgba(0, 0, 0, 0.75);
        font-size: 1.75rem;
    }

    &.hidden {
        padding-top: 0;
        top: -160px;
        background-color: transparent;
        pointer-events: none;
        opacity: 0;
        + * + .display-info {
            transform: none;
        }
    }

    &:not(.hidden) + .buttons-options {
        opacity: 0;
    }
}

.input-form {
    input,
    .selectize-control {
        display: inline-block;
        text-align: left;
        padding: 1.35em 1rem;
        border: 0;
        outline: 0;
        color: #fff;
        font-size: inherit;
        background: linear-gradient(
            93.2deg,
            rgba(255, 255, 255, 0.4) 1.53%,
            rgba(255, 255, 255, 0.25) 100%
        );
        backdrop-filter: blur(15px);
        border-radius: 15px;
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4) inset;
        margin: 0 0.2rem;
    }

    input {
        margin-right: 1rem;
        &::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
    }

    .selectize-control {
        width: 80px;
    }

    button {
        padding: 1.35em 2.5rem;
    }
}

.selectize-input,
.selectize-input.full {
    border: 0;
    padding: 0;
    background-color: transparent !important;
    font-size: inherit;
    color: #fff;
    box-shadow: none;
    border-radius: 0;
}

.selectize-drowdown {
    margin-top: 1.1em !important;
}

.disclaimer {
    color: var(--yellow);
    position: absolute;
    bottom: 1rem;
    display: block;
    width: 100%;
    text-shadow: 0px 2px 5px rgba(0, 0, 0, 0.75);
}

.options-caption {
    color: #fff;
    text-shadow: 0px 2px 5px rgba(0, 0, 0, 0.75);
}

.mobile-rotate {
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    padding-top: 100px;
    width: 100%;
    height: 100%;
    display: none;
    font-size: 22px;
    text-align: center;
    color: #fff;
    background: linear-gradient(-30deg, var(--yellow), var(--green));
    pointer-events: all;
    .ico-anim {
        display: block;
        margin-top: 16px;
        font-size: 36px;
        animation: mobile-rotate 2000ms ease-out infinite;
    }
    .caption {
        margin-top: 40px;
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    footer {
        font-size: 14px;
    }
    .canvas-ui .buttons-options {
        font-size: 14px;
        top: 30%;
    }
    .display-info {
        font-size: 20px;
    }
    .nav-title {
        font-size: 24px;
    }
    .selection-screen {
        font-size: 16px;
    }
    h1 {
        font-size: 1.75rem;
    }
    .selection-screen h3 {
        margin: 20px 0;
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .mobile-rotate {
        display: block;
    }
    footer {
        display: none;
    }
}

@keyframes mobile-rotate {
    0% {
        transform: rotateZ(0deg);
    }
    80% {
        transform: rotateZ(-90deg);
    }
    100% {
        transform: rotateZ(-90deg);
    }
}