:root{--bg: #eef3f9;--surface: #ffffff;--surface-muted: #f8fafc;--border: #dbe4f0;--text: #0f172a;--text-muted: #64748b;--accent-angular: #dd0031;--accent-angular-soft: #ffe4ea;--accent-library: #0891b2;--accent-library-soft: #e0f2fe;--success: #15803d;--success-soft: #dcfce7;--shadow-md: 0 4px 6px -1px rgba(15, 23, 42, .08), 0 2px 4px -1px rgba(15, 23, 42, .05);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace}*,*:before,*:after{box-sizing:border-box}body{background:var(--bg);background-image:radial-gradient(ellipse 80% 42% at 50% 0%,rgba(53,116,184,.07),transparent 72%);color:var(--text);font-family:var(--font-sans);line-height:1.5;margin:0;min-height:100vh}button,input{font:inherit}code{background:var(--surface-muted);border:1px solid var(--border);border-radius:.35rem;font-family:var(--font-mono);font-size:.875em;padding:.1rem .35rem}