/* 1. Use a more-intuitive box-sizing model */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* 2. Remove default margin */
*:not(dialog) {
    margin: 0;
}

/* 3. Enable keyword animations */
@media (prefers-reduced-motion: no-preference) {
    html {
        interpolate-size: allow-keywords;
    }
}

body {
    /* 4. Increase line-height */
    line-height: 1.5;
    /* 5. Improve text rendering */
    -webkit-font-smoothing: antialiased;
}

/* 6. Improve media defaults */
img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

/* 7. Inherit fonts for form controls */
input,
button,
textarea,
select {
    font: inherit;
}

/* 8. Avoid text overflows */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
    overflow-wrap: break-word;
}

/* 9. Improve line wrapping */
p {
    text-wrap: pretty;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    text-wrap: balance;
}

/*
  10. Create a root stacking context
*/
#root,
#__next {
    isolation: isolate;
}

/*  overrides */

button {
    display: block;
    margin: 0;
    margin-left: 0px;
    padding: 5px;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    text-align: left;
    font: inherit;
    font-size: inherit;
    color: inherit;
    position: relative;
}

textarea,
input[type="text"] {
    resize: none;
    overflow: hidden;
    width: 90%;
    margin: 5px;
    padding: 5px;

    border-style: solid;
    border-width: 2px;

    &:focus {
        outline: none;
    }
}

nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 5px;
}

nav > a {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem;
    transition: all 0.5s;
}

/* utilities */
.flex-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.flex-column {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.flex-left {
    justify-content: left;
    align-items: flex-start;
    text-align: left;
}

.item {
    padding: 10px;
    display: flex;
    justify-content: space-between;
    width: 100%;
}

.margin {
    margin: 10px;
}

.width-half {
    width: 50%;
}

.width-full {
    width: 100%;
}

.round {
    border-radius: 0.5rem;
}

/* decorations */

.bar::before {
    display: block;
    flex: 0.25;
    align-self: flex-start;
    height: 1em;
    content: "";
    background-color: currentColor;
}

.bar::after {
    display: block;
    flex: 0.75;
    align-self: flex-start;
    height: 1em;
    content: "";
    background-color: currentColor;
}

.bar {
    display: flex;
    column-gap: 0.1em;
    align-items: center;
    max-width: unset;
    height: min-content;
}

.bar-right {
    display: flex;
    column-gap: 0.5em;
    align-items: center;
    width: 100%;
    height: min-content;
}

.bar-right::after {
    display: block;
    flex: 1;
    height: 0.5em;
    content: "";
    transform: translateY(-0.1em);
    background-color: currentColor;
}

a {
    color: var(--secondary);
    border-radius: 2px;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    box-decoration-break: clone;
    transition: 0.1s ease-in-out;

    &:hover {
        text-underline-offset: 3px;
        text-decoration-thickness: 2px;
        color: var(--secondary);
        transition: 0.1s ease-in-out;
    }
}

.button:not(.magic) {
    -moz-transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.button {
    cursor: pointer;
    justify-content: center;
    padding-bottom: calc(0.5em - 1px);
    padding-left: 1em;
    padding-right: 1em;
    padding-top: calc(0.5em - 1px);
    text-align: center;
    white-space: nowrap;
    appearance: none;
    align-items: center;
    border-radius: 2px;
    box-shadow: none;
    display: inline-flex;
    font-size: 1rem;
    height: 2.5em;
    justify-content: flex-start;
    line-height: 1.5;
    text-decoration: none;
}

.animated-links {
    a {
        color: var(--secondary);
        border-radius: 2px;
        transition-property: color, background-size;
        text-decoration: none;
        text-wrap: balance;
        background-image: linear-gradient(currentColor, currentColor);
        background-repeat: no-repeat;
        background-position: 0 calc(100% - 1px);
        background-size: 0 1px;
        paint-order: stroke fill;
        justify-self: start;

        &:hover {
            background-size: 100% 1px;
        }
    }
}

a.button {
    &:hover {
        transition:
            --magic-rainbow-color-0 2000ms linear,
            --magic-rainbow-color-1 2000ms linear,
            --magic-rainbow-color-2 2000ms linear;
    }

    .forward-arrow {
        position: absolute;
        top: 0.6rem;
        right: 0.5rem;
    }
}

.magic:hover {
    color: var(--background);
    scale: 1.05;
}

@keyframes slide {
    from {
        transform: translateY(-100%);
    }

    50% {
        opacity: 1;
    }

    to {
        transform: translateY(100%);
    }
}

.down-arrow {
    display: inline;
    animation: slide 1500ms;
    animation-iteration-count: infinite;
    animation-timing-function: cubic-bezier(0, 0.75, 1, 0.25);
    opacity: 1;
}

.back-arrow {
    display: inline;
    animation: slide 1500ms;
    animation-iteration-count: infinite;
    animation-timing-function: cubic-bezier(0, 0.75, 1, 0.25);
    opacity: 1;
    rotate: 90deg;
}

.forward-arrow {
    display: inline;
    animation: slide 1500ms;
    animation-iteration-count: infinite;
    animation-timing-function: cubic-bezier(0, 0.75, 1, 0.25);
    opacity: 1;
    rotate: -90deg;
}

.magic {
    background: linear-gradient(
        170deg,
        hsl(204deg 100% 50%),
        hsl(182deg 100% 50%)
    );

    color: white;
    font-weight: bold;
    transition: scale 0.2s ease-in-out;
    outline: none;
    border: none;
}

@media (prefers-reduced-motion: no-preference) {
    .magic {
        --magic-rainbow-color-0: hsl(204deg 100% 50%);
        --magic-rainbow-color-1: hsl(182deg 100% 50%);
        --magic-rainbow-color-2: hsl(160deg 80% 50%);

        background: linear-gradient(
            170deg,
            var(--magic-rainbow-color-0),
            var(--magic-rainbow-color-1),
            var(--magic-rainbow-color-2)
        );

        transition:
            --magic-rainbow-color-0 2000ms linear,
            --magic-rainbow-color-1 2000ms linear,
            --magic-rainbow-color-2 2000ms linear;

        /* just testing colour values */
        --e: hsl(270deg, 100%, 40%);
        --e: hsl(19, 100%, 35%);
        --e: hsl(24, 97%, 45%);
        --e: hsl(230deg, 100%, 35%);
        --e: hsl(240deg, 100%, 45%);
        --e: hsl(260deg, 100%, 55%);
    }
}