.App{text-align:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center}.App-header{padding:2rem}.App-header h1{font-size:3rem;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.App-header p{font-size:1.2rem;margin-bottom:2rem;opacity:.9}.card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;padding:2rem;border:1px solid rgba(255,255,255,.2);box-shadow:0 8px 32px #0000001a}.card button{background:linear-gradient(45deg,#ff6b6b,#ee5a24);border:none;color:#fff;padding:12px 24px;font-size:1.1rem;border-radius:25px;cursor:pointer;transition:all .3s ease;margin-bottom:1rem}.card button:hover{transform:translateY(-2px);box-shadow:0 5px 15px #0003}.card p{margin:0;font-size:.9rem;opacity:.8}.card code{background:#fff3;padding:2px 6px;border-radius:4px;font-family:Courier New,monospace}*{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}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}