* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #fff;
  color: #000;
  font-family: "Courier New", Courier, monospace;
  display: grid;
  place-items: center;
  padding: 24px;
}

.shell {
  width: min(640px, 100%);
  border: 2px solid #000;
  padding: 24px;
}

.tag {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  font-weight: 700;
}

h1 {
  margin: 8px 0 16px;
  font-size: clamp(2rem, 8vw, 3rem);
  line-height: 1;
}

.line {
  margin: 0 0 10px;
  min-height: 1.3em;
  word-break: break-word;
}

.actions {
  margin: 16px 0;
  display: grid;
  gap: 10px;
}

button {
  width: 100%;
  border: 2px solid #000;
  background: #fff;
  color: #000;
  padding: 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:hover,
button:focus-visible {
  background: #000;
  color: #fff;
  outline: none;
}

button:disabled {
  cursor: not-allowed;
  background: #fff;
  color: #000;
}

@media (max-width: 560px) {
  .shell {
    padding: 18px;
  }
}