:root {
  color-scheme: light dark;
  --fundo: #fafaf7;
  --texto: #1d1d1b;
  --suave: #5b5b57;
  --destaque: #5a2d82;
  --borda: #c9c9c2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #161614;
    --texto: #f1f1ec;
    --suave: #a8a8a0;
    --destaque: #c9a8ee;
    --borda: #44443f;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--fundo);
  color: var(--texto);
  font-family: system-ui, sans-serif;
  line-height: 1.5;
}
main {
  width: min(32rem, 100% - 2rem);
}
h1 {
  margin: 0 0 0.5rem;
  font-size: 2.25rem;
  color: var(--destaque);
}
p {
  color: var(--suave);
}
label {
  display: block;
  margin: 1.5rem 0 0.5rem;
  font-weight: 600;
  color: var(--texto);
}
.campo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--borda);
  border-radius: 0.5rem;
  padding: 0 0.75rem;
}
.campo:focus-within {
  outline: 2px solid var(--destaque);
}
input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0.75rem 0;
  outline: 0;
}
#sufixo {
  color: var(--suave);
}
button {
  margin-top: 1rem;
  width: 100%;
  padding: 0.75rem;
  border: 0;
  border-radius: 0.5rem;
  background: var(--destaque);
  color: var(--fundo);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
#erro {
  color: #b3261e;
  margin: 0.75rem 0 0;
}
@media (prefers-color-scheme: dark) {
  #erro {
    color: #ffb4ab;
  }
}