:root{--accent:#16a34a}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui;background:#fff;color:#111}.input{border:1px solid #e5e7eb;padding:.6rem .8rem;border-radius:.5rem;width:100%}.btn{background:var(--accent);color:#fff;padding:.6rem .9rem;border:0;border-radius:.5rem;cursor:pointer}.card{border:1px solid #e5e7eb;border-radius:.75rem;padding:1rem}.container{max-width:1000px;margin:0 auto;padding:2rem 1rem}