body {
  background-color: #0d1117;
  color: #00ffcc;
  font-family: 'Cinzel', serif;
  text-align: center;
  margin: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.titulo {
  font-size: 48px;
  color: #00ffcc;
  text-shadow: 0 0 20px #00ffcc, 0 0 40px #00ffaa;
  margin-bottom: 40px;
  font-family: 'Cinzel Decorative', cursive;
}

.login-box {
  background: #161b22;
  padding: 30px 40px;
  border-radius: 12px;
  box-shadow: 0 0 25px #00ffcc50;
  width: 300px;
}

.login-box input {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 6px;
  border: 1px solid #00ffcc;
  background: #0d1117;
  color: #fff;
}

.login-box button {
  background: #00ffcc;
  color: #000;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.3s;
}

.login-box button:hover {
  background: #00ffaa;
}

.erro {
  background-color: #150000;
  color: #ff4444;
}

.painel {
  text-align: center;
}

.btn {
  background-color: #00ffcc;
  color: #000;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  background-color: #00ffaa;
}