:root{--background:#ffffff;--foreground:#171717;--accent-color:#0066cc;--border-color:#eaeaea;--card-bg:#ffffff;--footer-bg:#f9f9f9;--text-secondary:#505050;--text-tertiary:#777777;--font-geist-sans:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Open Sans","Helvetica Neue",sans-serif;--font-geist-mono:"Geist Mono",Monaco,"Courier New",monospace}:root[data-theme=dark]{--background:#121212;--foreground:#f5f5f5;--accent-color:#3b82f6;--border-color:#2a2a2a;--card-bg:#1e1e1e;--footer-bg:#0f0f0f;--text-secondary:#b0b0b0;--text-tertiary:#8a8a8a}body,html{width:100%;margin:0;padding:0;background:var(--background);color:var(--foreground);font-family:var(--font-geist-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}*{box-sizing:border-box}h1,h2,h3,h4,h5,h6{margin:0 0 1rem;line-height:1.2}a{color:inherit;text-decoration:none;transition:color .2s ease}p{margin:0 0 1rem}