body {
  background-color: #f3f4f6;
  font-family: Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: white;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  width: 340px;
  text-align: center;
}

h1 {
  color: #333;
  margin-bottom: 15px;
}

/* 🔹 Estilo da legenda */
.legenda {
  background-color: #f9fafb;
  border-left: 4px solid #007bff;
  padding: 10px 15px;
  margin-bottom: 20px;
  border-radius: 8px;
  text-align: left;
}

.legenda h2 {
  margin-top: 0;
  font-size: 16px;
  color: #333;
}

.legenda ul {
  list-style: none;
  padding-left: 0;
  margin: 5px 0 0;
}

.legenda li {
  font-size: 14px;
  color: #555;
  margin: 4px 0;
}

/* 🔹 Inputs e botão */
label {
  display: block;
  margin: 10px 0 5px;
  color: #555;
}

input {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
}

button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 6px;
  font-size: 16px;
  margin-top: 15px;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background-color: #0056b3;
}

/* 🔹 Mensagem de resultado */
#resultado {
  margin-top: 20px;
  font-weight: bold;
  color: #222;
}

.resultado-ok {
  color: #0a8f25;
}

.resultado-alerta {
  color: #b8860b;
}

.resultado-erro {
  color: #c00;
}