:root{--color-bg: #ffffff;--color-bg-alt: #f8f9fc;--color-bg-section: #f4f5f9;--color-border: #e2e5ef;--color-border-light: #eceef5;--color-brand: #4f46e5;--color-brand-dark: #3730a3;--color-brand-light: #ede9fe;--color-accent: #7c3aed;--color-text-heading: #0f1222;--color-text-body: #374151;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-text-link: #4f46e5;--font-heading: "Inter", sans-serif;--font-body: "Inter", sans-serif;--content-max-width: 860px;--sidebar-width: 220px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text-body);line-height:1.7;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c7c9d9;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#a5a7c0}::selection{background:#ede9fe;color:var(--color-brand)}