body {
  background-color: #f0f4f8;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  padding: 40px 20px;
}

.container {
  background-color: white;
  padding: 40px;
  border-radius: 12px;        /* cantos arredondados ✨ */
  box-shadow: 0 4px 20px rgba(0,0,0,0.1); /* sombra suave ✨ */
  width: 100%;
  max-width: 480px;
}

h1 {
  color: #2d3748;
  font-size: 24px;
  margin-bottom: 4px;
}

.subtitulo {
  color: #718096;
  font-size: 14px;
  margin-bottom: 28px;
}

label {
  display: block;
  font-weight: bold;
  color: #4a5568;
  margin-bottom: 6px;
  margin-top: 18px;
}

input, select {
  width: 100%;
  padding: 12px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 15px;
  color: #2d3748;
}

input:focus, select:focus {
  border-color: #4299e1;
  outline: none;
}

button {
  width: 100%;
  padding: 14px;
  margin-top: 28px;
  background-color: #3182ce;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background-color: #2b6cb0;
}

#mensagem {
  margin-top: 20px;
  padding: 14px;
  background-color: #c6f6d5;
  color: #276749;
  border-radius: 8px;
  text-align: center;
  font-weight: bold;
}