:root{--color-bg: #0d1117;--color-surface: #161b22;--color-surface-hover: #1c2129;--color-border: #30363d;--color-text: #e6edf3;--color-text-secondary: #8b949e;--color-accent: #58a6ff;--color-success: #3fb950;--color-warning: #d29922;--color-error: #f85149;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-mono: "Fira Code", "SF Mono", Monaco, "Cascadia Code", Consolas, "Courier New", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:14px;line-height:1.5}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}