@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700&family=Open+Sans&display=swap');

* {
  box-sizing: border-box;
}

html {
  background-color: #21bf96;
  font-family: sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  font-family: 'Open Sans', sans-serif;
}

header {
  text-align: center;
}

h1 {
  font-size: 2.8rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: bold;
}

main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 600px;
  padding: 15px;
  margin: 0 auto;
}

main section {
  flex-grow: 1;
}

button {
  font-family: 'Montserrat', Sans-serif;
  color: white;
  font-size: 14px;
  font-weight: 600;
  line-height: 19px;
  padding: 16px 18px 14px 18px;
  border-radius: 9000px;
  border: 0;
  background-color: #041836;
  transition: all 0.3s;
  transition-property: all;
  transition-duration: 0.3s;
  transition-timing-function: ease;
  transition-delay: 0s;
  width: 100%;
  white-space: nowrap;
  cursor: pointer;
}

button:hover {
  background-color: #2e7daf;
}

#btn-logout {
  display: none;
}

section.buttons {
  flex: 1 1 0px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 50px;
}
section.buttons button + button {
  margin-left: 20px;
}

section.result {
  border-radius: 40px;
  background-color: white;
  flex: 1 1 200px;
  padding: 50px;
  transition: all 0.3s;
  transition-property: all;
  transition-duration: 0.3s;
  transition-timing-function: ease;
  font-family: 'Courier New', Courier, monospace;
  overflow-wrap: anywhere;
  letter-spacing: 0.1rem;
}

section.result:empty {
  opacity: 0;
}