body{margin:0;background:#eef7f1;font-family:system-ui;color:#173b2c}main{max-width:420px;margin:10vh auto;background:white;padding:28px;border-radius:18px;box-shadow:0 10px 35px #0002}input,button{box-sizing:border-box;width:100%;padding:13px;margin:8px 0;border:1px solid #ccd8d0;border-radius:10px}button{background:#198754;color:white;font-weight:700;border:0}a{color:#176b45}