* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #1a1a1a;
    color: #e0e0e0;
    line-height: 1.6;
}
.container { display: flex; min-height: 100vh; }
.sidebar {
    width: 280px;
    background: #0d0d0d;
    border-right: 1px solid #333;
    padding: 20px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.brand a {
    color: #4fc3f7;
    text-decoration: none;
    font-size: 1.3em;
    font-weight: bold;
    display: block;
    margin-bottom: 20px;
}
.search input {
    width: 100%;
    padding: 8px 12px;
    background: #222;
    border: 1px solid #444;
    color: #e0e0e0;
    border-radius: 4px;
    font-size: 0.9em;
    margin-bottom: 20px;
}
.search input:focus { outline: none; border-color: #4fc3f7; }

.sidebar h3 {
    color: #888;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 20px 0 8px 0;
    padding-left: 8px;
}
.nav { list-style: none; }
.nav li { margin: 2px 0; }
.nav a {
    color: #b0b0b0;
    text-decoration: none;
    padding: 6px 8px;
    display: block;
    border-radius: 4px;
    font-size: 0.95em;
    transition: all 0.15s;
}
.nav a:hover {
    background: #222;
    color: #4fc3f7;
}
.nav a.active {
    background: #1e3a52;
    color: #4fc3f7;
}

main {
    flex: 1;
    padding: 40px 60px;
    max-width: 900px;
    margin: 0 auto;
}
h1 { color: #fff; font-size: 2.2em; margin-bottom: 20px; border-bottom: 2px solid #333; padding-bottom: 10px; }
h2 { color: #4fc3f7; font-size: 1.5em; margin: 30px 0 15px 0; }
h3 { color: #81d4fa; font-size: 1.2em; margin: 20px 0 10px 0; }
p { margin: 12px 0; }
a { color: #4fc3f7; text-decoration: none; }
a:hover { text-decoration: underline; }
a.wiki-link-broken {
    color: #ff6b6b;
    text-decoration: line-through;
}
ul, ol { margin: 10px 0 10px 25px; }
li { margin: 4px 0; }

code {
    background: #2a2a2a;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.9em;
    color: #ffab91;
}
pre {
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 15px;
    overflow-x: auto;
    margin: 15px 0;
}
pre code { background: none; padding: 0; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}
th, td {
    border: 1px solid #333;
    padding: 8px 12px;
    text-align: left;
}
th { background: #222; color: #4fc3f7; }
tr:nth-child(even) { background: #1f1f1f; }

blockquote {
    border-left: 4px solid #4fc3f7;
    padding: 8px 16px;
    margin: 12px 0;
    background: #1e2a30;
    color: #b0b0b0;
}

hr { border: none; border-top: 1px solid #333; margin: 25px 0; }

.frontmatter {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 0.85em;
    color: #888;
    font-family: monospace;
}
.frontmatter strong { color: #4fc3f7; }

.backlinks {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #333;
}
.backlinks h2 { color: #888; font-size: 1em; }
.backlinks ul { list-style: none; margin-left: 0; }
.backlinks li { padding: 4px 0; }

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 20px 0;
}
.dashboard .card {
    background: #222;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.2s;
}
.dashboard .card:hover {
    border-color: #4fc3f7;
    transform: translateY(-2px);
}
.dashboard .card h3 {
    color: #4fc3f7;
    margin: 0 0 8px 0;
    font-size: 1.1em;
}
.dashboard .card p {
    color: #888;
    font-size: 0.9em;
    margin: 0;
}
.dashboard .card a {
    color: inherit;
    text-decoration: none;
}

.tag {
    display: inline-block;
    background: #1e3a52;
    color: #4fc3f7;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.8em;
    margin: 2px;
}

.kbd {
    background: #2a2a2a;
    border: 1px solid #444;
    border-radius: 3px;
    padding: 1px 6px;
    font-family: monospace;
    font-size: 0.85em;
}