#app{width:100%;height:100vh;margin:0;padding:0}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:#1a1a2e;color:#eee;overflow:hidden}#app{width:100%;height:100vh}button{cursor:pointer;background:#16213e;color:#eee;border:2px solid #0f3460;padding:12px 24px;font-size:16px;border-radius:8px;transition:all .3s ease}button:hover{background:#0f3460;border-color:#53a8b6;transform:translateY(-2px)}button:active{transform:translateY(0)}input{background:#16213e;color:#eee;border:2px solid #0f3460;padding:12px;font-size:16px;border-radius:8px;outline:none;transition:border-color .3s ease}input:focus{border-color:#53a8b6}