:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-card: #1a2332;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--accent-green: #22c55e;--accent-cyan: #06b6d4;--accent-red: #ef4444;--accent-purple: #a855f7;--accent-orange: #f97316;--border: #1e293b;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6}code,pre{font-family:var(--font-mono)}pre{background-color:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:16px;overflow-x:auto}a{color:var(--accent-cyan);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 24px}@media(max-width:768px){.lang-toggle>.lang-label{display:none}}