@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;700&display=swap");

:root {
    --desktop: #5a9cff;
    --window: #ece9d8;
    --window-dark: #d4d0c8;
    --border-light: #fff;
    --border-dark: #808080;
    --title1: #0a246a;
    --title2: #3a6ee8;
    --text: #000;
    --link: #003399;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background-color: #5a9cff;
    background-image: url("/assets/images/xp.jpg");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

body {
    margin: 0;
    color: var(--text);
    font: 16px/1.6 Tahoma, Verdana, sans-serif;
}

#container {
    width: min(900px, 95%);
    margin: 40px auto;
}

#themeHeader {
    height: 28px;
    border-radius: 7px 7px 0 0;
    background: linear-gradient(to bottom, #4d8cf7, #245edb);
    box-shadow: inset 0 1px #89b6ff;
}

#content {
    padding: 32px;
    background: var(--window);
    border-top: 2px solid var(--border-light);
    border-left: 2px solid var(--border-light);
    border-right: 2px solid var(--border-dark);
    border-bottom: 2px solid var(--border-dark);
    box-shadow: 6px 6px 18px rgba(0, 0, 0, 0.25);
}

#header {
    margin-bottom: 16px;
}

.logo {
    margin: 18px 0 5px;
    font-size: 2.2rem;
    font-weight: bold;
}

.logo a {
    color: #003399;
    text-decoration: none;
}

.tagline {
    color: #fff;
}

#header ul {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
    list-style: none;
}

#header a {
    display: inline-block;
    padding: 5px 14px;
    color: #000;
    text-decoration: none;
    background: var(--window);
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-right: 2px solid gray;
    border-bottom: 2px solid gray;
}

#header a:hover {
    background: #dbeafe;
}

#header a:active {
    border-top: 2px solid gray;
    border-left: 2px solid gray;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
}

h1,
h2,
h3 {
    color: #003399;
}

h2 {
    padding-bottom: 4px;
    border-bottom: 2px solid #7aa5ff;
}

.post-meta {
    color: #555;
    font-size: 0.9rem;
}

p {
    margin: 1rem 0;
}

a {
    color: var(--link);
}

a:hover {
    color: red;
}

img {
    display: block;
    max-width: 100%;
    margin: 24px auto;
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-right: 2px solid gray;
    border-bottom: 2px solid gray;
}

.caption {
    color: #fff;
    text-align: center;
}

blockquote {
    margin: 24px 0;
    padding: 12px 18px;
    background: #ffffe1;
    border: 1px solid gray;
}

pre {
    padding: 15px;
    overflow-x: auto;
    background: #fff;
    border: 1px solid gray;
}

code {
    padding: 2px 4px;
    background: #f5f5f5;
}

hr {
    margin: 32px 0;
    border: none;
    border-top: 1px solid #999;
}

#nextprev {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 35px;
}

#footer {
    margin: 35px 0;
    color: #fff;
    text-align: center;
    font-size: 12px;
}

.error404 {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50vh;
}

.error404__panel {
    width: min(600px, 100%);
    padding: 30px;
    background: var(--window);
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-right: 2px solid gray;
    border-bottom: 2px solid gray;
}

.error404__code {
    margin: 0;
    color: #003399;
    font-size: 4rem;
}

.error404__title {
    margin-top: 12px;
}

.error404__link {
    color: #003399;
}

@media (max-width: 700px) {
    #content {
        padding: 20px;
    }

    .logo {
        font-size: 1.8rem;
    }
}