:root{--bg-color:#121212;--text-color:#e0e0e0;--input-bg:#1e1e1e;--input-border:#333;--button-bg:#3700b3;--button-hover:#6200ee}body{background-color:var(--bg-color);color:var(--text-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;margin:0}.app-container{align-items:center;box-sizing:border-box;display:flex;justify-content:center;min-height:100vh;padding:2rem 1rem}.content{max-width:600px;text-align:center;width:100%}h1{font-weight:300;letter-spacing:.1rem;margin-bottom:2rem}