:root{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--text-primary: #1a1a1a;--text-secondary: #4a4a4a;--accent: #0066cc;--accent-hover: #004499;--border: #333333;--table-header: #e0e0e0;--table-stripe: #f8f8f8;--code-bg: #f0f0f0;--success: #006600;--warning: #cc6600;--danger: #cc0000}[data-theme="dark"]{--bg-primary: #0d0d0d;--bg-secondary: #1a1a1a;--text-primary: #f0f0f0;--text-secondary: #b0b0b0;--accent: #66b3ff;--accent-hover: #99ccff;--border: #444444;--table-header: #2a2a2a;--table-stripe: #151515;--code-bg: #1a1a1a;--success: #66cc66;--warning: #ffaa33;--danger: #ff6666}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg-primary: #0d0d0d;--bg-secondary: #1a1a1a;--text-primary: #f0f0f0;--text-secondary: #b0b0b0;--accent: #66b3ff;--accent-hover: #99ccff;--border: #444444;--table-header: #2a2a2a;--table-stripe: #151515;--code-bg: #1a1a1a;--success: #66cc66;--warning: #ffaa33;--danger: #ff6666}}*{box-sizing:border-box}body{font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);margin:0;padding:0;transition:background-color 0.2s, color 0.2s}.container{max-width:900px;margin:0 auto;padding:2rem 1.5rem}header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem;border-bottom:2px solid var(--border);margin-bottom:2rem}.site-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.theme-toggle{background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;padding:0.5rem 1rem;cursor:pointer;font-size:1rem;color:var(--text-primary);transition:all 0.2s}.theme-toggle:hover{background:var(--accent);color:var(--bg-primary)}h1,h2,h3,h4{color:var(--text-primary);font-weight:700;margin-top:1.5em;margin-bottom:0.5em}h1{font-size:2rem;border-bottom:3px solid var(--accent);padding-bottom:0.3em}h2{font-size:1.5rem;border-bottom:2px solid var(--border);padding-bottom:0.2em}h3{font-size:1.25rem}a{color:var(--accent);text-decoration:none;font-weight:600}a:hover{color:var(--accent-hover);text-decoration:underline}table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:0.95rem}th,td{padding:0.75rem;text-align:left;border:1px solid var(--border)}th{background:var(--table-header);font-weight:700}tr:nth-child(even){background:var(--table-stripe)}code{background:var(--code-bg);padding:0.2em 0.4em;border-radius:4px;font-size:0.9em}pre{background:var(--code-bg);padding:1rem;border-radius:8px;overflow-x:auto;border:1px solid var(--border)}pre code{background:none;padding:0}blockquote{border-left:4px solid var(--accent);margin:1rem 0;padding:0.5rem 1rem;background:var(--bg-secondary);color:var(--text-secondary)}.breadcrumb{font-size:0.9rem;color:var(--text-secondary);margin-bottom:1rem}.breadcrumb a{font-weight:500}footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--border);text-align:center;color:var(--text-secondary);font-size:0.85rem}