:root{--font-sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;--bg: #ffffff;--bg-elevated: #ffffff;--text: #111111;--text-muted: #454545;--text-subtle: #767676;--border: #e6e6e6;--border-strong: #cbcbcb;--accent: #4f46e5;--accent-soft: rgba(79, 70, 229, .07);--accent-text: #4338ca;--code-bg: #fafafa;--code-text: #111111;--layout-width: 840px;--radius: 8px;--radius-sm: 4px}:root[data-mode=dev]{--font-sans: "JetBrains Mono", "Cascadia Code", Consolas, monospace;--font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;--bg: #0a0a0a;--bg-elevated: #111111;--text: #e5e5e5;--text-muted: #a3a3a3;--text-subtle: #737373;--border: #262626;--border-strong: #404040;--accent: #10b981;--accent-soft: rgba(16, 185, 129, .1);--accent-text: #34d399;--code-bg: #171717;--code-text: #e5e5e5}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .2s ease,color .2s ease}*{box-sizing:border-box}a{color:var(--accent-text);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}h1,h2,h3,h4{font-weight:600;letter-spacing:-.01em}