* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* 🌙 Fundo neutro */
body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #2b2b33, #141418);
  padding: 20px;
}

/* 📦 Container */
.container {
  background: #2b2b33;
  padding: 26px;
  border-radius: 16px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: 0 0 25px ;
}

/* ✨ Textos */
.container ,
.container h2,
.container p {
  color: #f3e8ff;
}

/* 🔘 Botão */
button {
  margin-top: 18px;
  padding: 14px;
  width: 100%;
  background: linear-gradient(135deg, #a855f7, #c084fc);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  transform: scale(1.04);
}

/* 📌 Resultado */
#resultado {
  margin-top: 20px;
  font-size: 17px;
  font-weight: bold;
  color: #d8b4fe;
}

/* 📱 Mobile */
@media (max-width: 480px) {
  .container {
    padding: 22px;
  }

  button {
    font-size: 20px;
  }
}