:root {
    /* Font Sizes */
    --font-small: 12px;
    --font-medium: 16px;
    --font-large: 24px;
    --font-xl: 48px;

    /* Spacing */
    --spacing-small: 8px;
    --spacing-medium: 16px;
    --spacing-large: 24px;
    --spacing-xl: 48px;

    /* Colour */
    --font-colour: black;
    --background-colour: white;
    --accent-colour: #31572C;
    --font-colour-light: grey;
}

.dark-mode {
    --font-colour: white;
    --accent-colour: #000075;
    background: url(/images/slash_it.webp) !important;
    --background-colour: black;
    --font-colour-light: #bcbcbc;
}

body {
    background: url(/images/crossword-light.png) repeat 0 0;    
    font-family: Arial, Helvetica, sans-serif;
    max-width: 80%;
    display: block;
    margin: auto;
    color: var(--font-colour);
}

h2 {
    font-size: var(--font-large);
}

b, small, u {
    display: inline;
    margin: 0;
}

small {
    color: var(--font-colour-light);
}

a {
    text-decoration: none;
    color: inherit;
}

ul li {
    list-style: none;
}

.hanja-list {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    margin: 0, var(--spacing-small);
}

.hanja-card {
    display: flex;
    flex-flow: column wrap;
    padding: var(--spacing-small);
    margin: var(--spacing-small);
    border: 2px solid var(--font-colour);
    border-radius: 8px;
    text-align: center;
    width: 100px;
    background-color: var(--background-colour);
    transition: all 0.3s ease-out;
}

.hanja-card h2 {
    font-size: 64px;
    font-weight: bold;
    border: 2px solid var(--font-colour);
    border-radius: 8px;
    padding: auto;
    margin: var(--spacing-small);
    color: var(--font-colour);
}

.hanja-card:hover {
    transform: scale(1.05);
}

.button {
    font-size: var(--font-medium);
    border: 2px solid var(--font-colour);
    border-radius: 8px;
    width: fit-content;
    padding: 4px;
    margin-bottom: 8px;
    color: var(--font-colour);
    transition: all 0.3s ease-in;
}

.button:hover {
    background-color: var(--accent-colour);
    color: white;
}

.site-nav {
    margin-top: var(--spacing-medium);
    min-width: fit-content;
}

.site-nav ul {
    display: flex;
    color: var(--font-colour);
    margin: 0;
    padding: 0;
    list-style-type: none;
    max-width: 1000px;
    border-radius: 8px;
    white-space: nowrap;
}

.site-nav li {
    width: auto;
    margin: 4px;
    padding: 8px;
    background-color: var(--accent-colour);
    color: var(--background-colour);
    float: left;
    border: 2px solid var(--font-colour);
    border-radius: 8px;
}

.site-nav a {
    display: inline-block;
    background-color: inherit;
    color: inherit;
}

#contact {
    font-size: var(--font-small);
    text-decoration: none;
    border: 1px solid var(--font-colour);
    border-radius: 4px;
    padding: 2px;
    margin: 0 auto;
    width: fit-content;
    float: right;
}

#after-study {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: center;
}

#after-study a {
    color: white;
}

#after-study p {
    font-weight: bold;
}

#download, #test {
    width: fit-content;
    margin: 0 auto;
    padding: 8px;
    background-color: var(--accent-colour);
    color: var(--background-colour);
    border: 2px solid var(--font-colour);
    border-radius: 8px;
    text-align: center;
}

.bogi {
    border: 1px solid var(--font-colour);
    border-radius: 8px;
    margin: var(--spacing-small);
    padding: var(--spacing-small);
    max-width: 80%;
    text-align: center;
}

.bogi h2 {
    width: fit-content;
    text-align: center;
    margin: auto;
    background-color: inherit;
    border-bottom: 1px solid var(--font-colour);
}

.bogi ol {
    display: flex;
    flex-flow: row wrap;
    margin: 0;
}

.bogi li {
    margin: var(--spacing-medium);
    justify-content: space-around;
}

form {
    font-size: var(--font-medium);
}

form li {
    display: list-item;
    margin: var(--spacing-small);
}

form div {
    border: 1px solid var(--font-colour);
    border-radius: 8px;
    padding: var(--spacing-small) var(--spacing-xl);
    margin: var(--spacing-medium) 0;
    background-color: var(--background-colour);
}

.answers ol {
    display: flex;
    flex-flow: row wrap;
    margin: 0;
}

.answers li {
    margin: var(--spacing-small) var(--spacing-large);
    font-size: var(--font-medium);
    padding: var(--spacing-small);
    justify-content: space-evenly;
}

#answers {
    display: none;
}

title {
    display: none;
}

#mode-toggle {
    font-size: var(--font-small)
}

form {
    min-width: fit-content
}

input {
    width: var(--spacing-large);
}

#result {
    text-align: center;
}

@media (width <= 480px) {
    .site-nav {
        font-size: var(--font-small);
    }
}