::selection { background: #505050; }
::-moz-selection { background: #505050; }
* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: #000; }
body {
    background: #0a0a0a;
    color: #d0d0d0;
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.75;
    font-size: 17px;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}
nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
    font-family: 'SF Mono', 'Monaco', monospace;
    font-size: 14px;
}
nav a {
    color: #888;
    text-decoration: none;
}
nav a:hover,
nav a.active {
    color: #fff;
}
header {
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid #222;
}
h1 {
    font-size: 34px;
    line-height: 1.25;
    color: #fff;
    margin-bottom: 10px;
}
.subtitle {
    color: #9a9a9a;
    font-size: 18px;
    max-width: 760px;
}
h2 {
    font-size: 24px;
    color: #fff;
    margin: 40px 0 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid #1e1e1e;
}
h3 {
    font-size: 19px;
    color: #ededed;
    margin: 28px 0 12px;
}
p {
    margin-bottom: 16px;
}
ul, ol {
    margin: 16px 0 16px 24px;
}
li {
    margin-bottom: 8px;
}
a {
    color: #8ab4f8;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
code, pre {
    font-family: 'SF Mono', 'Monaco', monospace;
}
code {
    font-size: 0.92em;
    background: #111;
    padding: 2px 5px;
    border-radius: 3px;
}
pre {
    background: #0f0f0f;
    border: 1px solid #1a1a1a;
    border-radius: 6px;
    padding: 18px;
    overflow-x: auto;
    margin: 20px 0;
    font-size: 14px;
    line-height: 1.55;
}
pre code {
    background: transparent;
    padding: 0;
}
.note {
    background: #111;
    border-left: 3px solid #333;
    padding: 18px;
    margin: 24px 0;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 20px 0 12px;
}
.card {
    display: block;
    background: #111;
    border: 1px solid #222;
    border-radius: 8px;
    padding: 16px;
    color: #d0d0d0;
    text-decoration: none;
}
.card:hover {
    border-color: #333;
    background: #151515;
    text-decoration: none;
}
.card-title {
    display: block;
    color: #fff;
    font-weight: 600;
    margin-bottom: 8px;
}
.footer {
    margin-top: 56px;
    padding-top: 18px;
    border-top: 1px solid #1e1e1e;
    color: #888;
    font-family: 'SF Mono', 'Monaco', monospace;
    font-size: 13px;
}