.App{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.App-header{padding:2rem;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.2)}.App-header h1{margin:0;font-size:2.5rem;font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,.3)}main{padding:2rem;max-width:1200px;margin:0 auto}*{margin:0;padding:0;box-sizing:border-box}body{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;line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}