:root {
    --text-color: #444444;
    --bg-color: #f5f1eb;
    --heading-color: #2c2c2c;
    --secondary-color: #666;
    --border-color: #e0e0e0;
    --nav-height: 3rem;
    --side-padding: 2rem;
    --content-width: 70ch;
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #c8c8c8;
        --bg-color: #222222;
        --heading-color: #e0e0e0;
        --secondary-color: #999;
        --border-color: #333;
    }
}

body {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-areas:
        "nav nav nav"
        "space content space";
    grid-template-columns:
        1fr
        min(var(--content-width), calc(100% - 2 * var(--side-padding)))
        1fr;
    grid-template-rows: var(--nav-height) auto;
    font-family: Georgia, serif;
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
}


/* Navigation */

#top-nav {
    grid-area: nav;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}


#top-nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-width: 2.5rem;
    text-align: center;
    transition: all 0.2s ease;
}

#top-nav a:hover {
    background: var(--border-color);
    transform: translateY(-1px);
}

/* Main content */

.content-wrapper {
    grid-area: content;
    padding-top: var(--nav-height);
    width: 100%;
}


h1,
.paragraph,
nav.contents {
    width: 100%;
    max-width: var(--content-width);
    margin-left: auto;
    margin-right: auto;
}

h1 {
    color: var(--heading-color);
    font-size: 2em;
    margin: 1.5em 0;
}

.translation-toggle {
    position: absolute;
    left: 0.5rem;
    top: 0.5rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.translation-toggle:hover {
    background-color: var(--border-color);
}

p[lang="en"] {
    display: none;
    color: var(--secondary-color);
    font-style: italic;
    padding-left: 1em;
    border-left: 3px solid var(--border-color);
    margin-top: 0.5em; /* Add some spacing between languages */
}

p[lang="en"].show {
    display: block;
}

.paragraph {
    position: relative; /* For positioning the translation toggle */
    margin-bottom: 1.5em;
    padding-left: 2.5rem;
}

.paragraph p {
    margin: 0;
}

/* Table of contents */
nav.contents ul, nav.contents ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav.contents li {
    margin-bottom: 1em;
}

nav.contents a {
    color: var(--text-color);
    text-decoration: none;
}

nav.contents h3 {
    margin: 2em 0 1em;
}

nav.contents ol {
    padding-left: 1.5em;
}

@media (max-width: 768px) {
    body {
        grid-template-columns:
            var(--side-padding)
            minmax(0, calc(100% - 2 * var(--side-padding)))
            var(--side-padding);
    }
}