body {
  background: #2f323f;
  font-family: 'VT323', 'Fira Mono', monospace;
  margin: 0;
  padding: 0;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');

.container {
  width: 100%;
  max-width: 420px;
  min-height: 10vh; /* altura mínima */
  margin: 0;
  background: #64647c;
  border: 4px solid #c49f3b;
  border-radius: 0;
  box-shadow: 0 8px 32px #0008;
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

h1 {
  color: #c49f3b;
  font-size: 2.5rem;
  letter-spacing: 2px;
  margin-bottom: 24px;
  text-shadow: 2px 2px 0 #2f323f;
}

.settings {
  margin-bottom: 24px;
  background: #2f323f;
  border: 2px solid #c49f3b;
  padding: 16px 0;
  border-radius: 0;
  box-shadow: 2px 2px 0 #c49f3b;
}

label {
  color: #c49f3b;
  font-size: 1.2rem;
  margin-right: 8px;
  letter-spacing: 1px;
}

input[type="number"] {
  font-family: inherit;
  font-size: 1.2rem;
  width: 60px;
  padding: 4px 8px;
  border: 2px solid #c49f3b;
  background: #2f323f;
  color: #c49f3b;
  border-radius: 0;
  margin-right: 12px;
  outline: none;
  box-shadow: 1px 1px 0 #c49f3b;
}

button {
  font-family: inherit;
  font-size: 1.2rem;
  background: #c49f3b;
  color: #2f323f;
  border: 2px solid #2f323f;
  border-radius: 0;
  padding: 6px 18px;
  margin: 0 4px;
  cursor: pointer;
  box-shadow: 2px 2px 0 #2f323f;
  transition: background 0.2s, color 0.2s;
}

button:disabled {
  background: #b8b8b8;
  color: #2f323f;
  border-color: #2f323f;
  cursor: not-allowed;
  box-shadow: none;
}

.direction-box {
  font-size: 2.5rem;
  font-weight: bold;
  color: #fffffe;
  background: #c49f3b;
  border: 4px solid #2f323f;
  border-radius: 0;
  padding: 40px 0;
  margin-top: 24px;
  min-height: 90px;
  box-shadow: 4px 4px 0 #2f323f;
  letter-spacing: 2px;
  text-shadow: 2px 2px 0 #2f323f;
  transition: background 0.2s;
}

@media (max-width: 1200px) {
  .container {
    max-width: 98vw;
    width: 80vw;
    padding: 4vw 2vw;
  }

  h1 {
    font-size: 3.8rem;
    margin-bottom: 32px;
  }

  .settings {
    padding: 24px 0;
    margin-bottom: 32px;
    font-size: 1.7rem;
    margin-right: 10px;
    margin-left: 10px;
  }

  label {
    font-size: 1.5rem;
    margin-right: 12px;
  }

  input[type="number"] {
    font-size: 1.5rem;
    width: 80px;
    padding: 8px 16px;
    margin-right: 16px;
  }

  button {
    font-size: 1.5rem;
    padding: 10px 28px;
    margin: 0 8px;
  }

  .direction-box {
    font-size: 3.5rem;
    padding: 56px 0;
    min-height: 140px;
    margin-right: 10px;
    margin-left: 10px;
  }
}