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

body {
  background: linear-gradient(135deg, #121212, #1e1e1e);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-container {
  display: flex;
  gap: 30px;
}

.auth-box {
  background: #1c1c1c;
  padding: 30px;
  width: 300px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,.5);
}

.auth-box h2 {
  color: #fff;
  margin-bottom: 15px;
  text-align: center;
}

.auth-box input {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border: none;
  border-radius: 6px;
}

.auth-box button {
  width: 100%;
  padding: 12px;
  background: #00c853;
  color: #000;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

.auth-box button:hover {
  background: #00e676;
}

.erro {
  background: #ff5252;
  padding: 8px;
  color: #fff;
  border-radius: 6px;
  margin-bottom: 10px;
  text-align: center;
}

.sucesso {
  background: #00c853;
  padding: 8px;
  color: #000;
  border-radius: 6px;
  margin-bottom: 10px;
  text-align: center;
}