*{box-sizing:border-box;margin:0;padding:0}body{color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.5}button{cursor:pointer}.btn{border:none;border-radius:8px;font-size:1rem;font-weight:500;padding:.75rem 1.5rem;transition:all .2s}.btn-primary{background:#4f46e5;color:#fff}.btn-primary:hover{background:#4338ca}.btn-primary:disabled{background:#9ca3af;cursor:not-allowed}.card{background:#fff;border-radius:12px;box-shadow:0 1px 3px #0000001a;padding:1.5rem}