*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#1a4d2e;color:#fff;min-height:100vh}button{cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:600}input{border-radius:6px;border:1px solid #ccc;padding:8px 12px;font-size:16px}