:root{--background:#fff;--foreground:#111827;--primary:#2563eb;--primary-hover:#1d4ed8;--accent:#f59e0b;--surface:#f3f4f6;--surface-hover:#e5e7eb;--border:#e5e7eb;--font-sans:var(--font-geist-sans), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:var(--font-geist-mono), ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}@media (prefers-color-scheme:dark){:root{--background:#0f172a;--foreground:#f8fafc;--primary:#3b82f6;--primary-hover:#60a5fa;--accent:#fbbf24;--surface:#1e293b;--surface-hover:#334155;--border:#334155}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--foreground);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;min-height:100vh;line-height:1.6;display:flex}a{color:inherit;text-decoration:none}button{font-family:inherit}