@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&display=swap');

:root {
    --bg: #282a36;
    --text: #f8f8f2;
    --pink: #ff79c6;
    --cyan: #8be9fd;
    --sel: #44475a;
    --gray: #6272a4;
}

body {
    max-width: 700px;
    margin: 50px auto;
    padding: 0 20px;
    font-family: "JetBrains Mono", monospace;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
    line-height: 1.3;
    font-weight: 600;
    letter-spacing: -0.03em;
    color: var(--text);
}

h1 {
    margin-top: 1em;
}

h1::before {
    content: "> ";
    color: var(--pink);
}

h2,
h3 {
    margin: 1.2em 0 0.2em;
}

a {
    color: var(--cyan);
    text-decoration: none;
    border-bottom: 1px dashed var(--cyan);
    padding-bottom: 2px;
}

a:hover {
    background: var(--cyan);
    color: var(--bg);
    border-bottom-style: solid;
}

::selection {
    background: var(--sel);
    color: var(--pink);
}

ul {
    margin: 0.5em 0 1em;
    padding-left: 1.2em;
}

li {
    margin-bottom: 0.3em;
}

hr {
    border: none;
    border-top: 1px dashed var(--sel);
    margin: 1.5em 0;
    opacity: 0.6;
}

.text-muted {
    color: var(--gray);
    font-size: 0.9em;
    margin-bottom: 0.5em;
}

.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5em;
    margin: 1.5em 0 1em;
    border-bottom: 1px dashed var(--sel);
    padding-bottom: 0.5em;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text);
    font: inherit;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}

.tab-btn:hover {
    color: var(--cyan);
}

.tab-btn.active {
    color: var(--pink);
}

.tab-btn.active::before {
    content: "[ ";
    color: var(--sel);
}

.tab-btn.active::after {
    content: " ]";
    color: var(--sel);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}