body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.App{text-align:center;min-height:100vh;background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.App-header{background:linear-gradient(135deg,#0078d4,#106ebe);padding:2rem;color:#fff;box-shadow:0 4px 6px #0000001a}.App-header h1{margin:0;font-size:2.5rem;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.2)}.App-header p{margin:.5rem 0 0;font-size:1.1rem;opacity:.9}main{padding:2rem;max-width:1200px;margin:0 auto}main p{font-size:1.1rem;line-height:1.6;color:#495057;margin-bottom:2rem}@media (max-width: 768px){.App-header{padding:1.5rem 1rem}.App-header h1{font-size:2rem}main{padding:1rem}}