* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #0d1117; color: #c9d1d9; max-width: 900px; margin: 0 auto; padding: 2rem; line-height: 1.6; }
h1 { color: #58a6ff; border-bottom: 1px solid #30363d; padding-bottom: 0.5rem; margin: 1.5rem 0 1rem; }
h2 { color: #79c0ff; margin: 1.2rem 0 0.8rem; }
h3 { color: #d2a8ff; margin: 1rem 0 0.6rem; }
a { color: #58a6ff; text-decoration: none; }
a:hover { text-decoration: underline; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
th, td { border: 1px solid #30363d; padding: 0.5rem 0.8rem; text-align: left; }
th { background: #161b22; color: #58a6ff; }
tr:nth-child(even) { background: #161b22; }
ul, ol { margin: 0.5rem 0 0.5rem 1.5rem; }
code { background: #161b22; padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.9em; }
pre { background: #161b22; padding: 1rem; border-radius: 6px; overflow-x: auto; margin: 1rem 0; }
.nav { background: #161b22; padding: 1rem; border-radius: 8px; margin-bottom: 2rem; }
.nav a { margin-right: 1.5rem; font-weight: 500; }
.nav a:last-child { margin-right: 0; }
hr { border: 0; border-top: 1px solid #30363d; margin: 1.5rem 0; }