:root {
    --primary-color: #0077cc;
    --secondary-color: #5500cc;
    --background-color: #fff;
    --text-color: #333;
    --text-alt-color: #888;
    --link-hover-bg: rgba(0, 0, 0, 0.05);
}

body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background: var(--background-color);
    color: var(--text-color);
}

.wrapper {
    max-width: 80ch;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 15px;
    margin: 0;
}

header .lambda {
    color: var(--secondary-color);
    font-weight: bold;
}

hr {
    height: 1px;
    border: none;
    background-color: var(--link-hover-bg);
}

h1 {
    margin: 0;
    font-weight: 400;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

a:hover {
    background-color: var(--link-hover-bg);
    outline: 4px solid var(--link-hover-bg);
}

a:visited {
    color: var(--secondary-color);
}

.post {
    margin-bottom: 24px;
}

.post .date {
    display: block;
    font-size: 0.8em;
    color: var(--text-alt-color);
    margin-bottom: 5px;
}

.post h2 {
    margin: 0;
    font-weight: 400;
    font-size: 1.25rem;
    font-family: serif;
}

.post h2 a {
    color: var(--text-color);
}

.post .tags {
    list-style: none;
    padding: 0;
    margin: 5px 0;
    display: flex;
    gap: 6px;
}

.post .tag {
    font-size: 0.8rem;
    text-transform: uppercase;
}

.post .tag a {
    color: var(--text-alt-color);
}

.post .read-more {
    font-size: 0.8em;
    margin: 5px 0;
}

.post .tags-container {
    display: flex;
    justify-content: space-between;
    align-self: center;
}

footer {
    text-align: center;
    font-size: 0.8em;
    color: var(--text-alt-color);
}

footer p {
    margin: 4px 0;
}

footer .cc:hover {
    background-color: transparent;
    outline: none;
}

main h1 {
    font-size: 1.5em;
    font-family: serif;
    font-weight: 400;
}

main h2 {
    font-size: 1.25em;
    font-family: serif;
    font-weight: 400;
}

main h3 {
    font-size: 1.1em;
    font-family: serif;
    font-weight: 400;
}

@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    header ul {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 10px;
    }

    .post .tags-container {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #3399ff;
        --secondary-color: #aa66ff;
        --background-color: #121212;
        --text-color: #eee;
        --text-alt-color: #aaa;
        --link-hover-bg: rgba(255, 255, 255, 0.1);
    }
}