* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: system-ui, sans-serif;
  background: #f4faf9;
  color: #134e4a;
}

main {
  max-width: 28rem;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 2rem;
  color: #0f766e;
}

p {
  margin: 0 0 1rem;
  line-height: 1.5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 1.25rem 0;
}

label {
  font-size: 0.9rem;
  font-weight: 600;
}

input,
select,
button {
  font: inherit;
  padding: 0.55rem 0.65rem;
  border: 1px solid #99f6e4;
  border-radius: 0.35rem;
  background: #fff;
  color: inherit;
}

button {
  margin-top: 0.75rem;
  background: #0f766e;
  color: #fff;
  border-color: #0f766e;
  cursor: pointer;
}

a {
  color: #0f766e;
}

.message {
  margin: 0 0 1rem;
}

.message.error {
  color: #9f1239;
}

.message.ok {
  color: #166534;
}