:root{--color-tech-blue: #1e3a8a;--color-text-white: #ffffff;--color-active-link: #60a5fa;--color-background: #f5f5f5;--color-border: #ddd;--color-success: #4CAF50;--color-error: #d32f2f}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--color-background);color:#333}html,body{height:100%}app-root{display:flex;flex-direction:column;min-height:100vh}