:root {
  --verde-palmeiras: #006437;
  --verde-claro: #e6f5e6;
  --verde-escuro: #004d2a;
  --branco: #ffffff;
  --sombra: rgba(0, 0, 0, 0.2);
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--verde-palmeiras);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-box {
  background-color: var(--verde-claro);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px var(--sombra);
  text-align: center;
  animation: fadeIn 0.6s ease-in-out;
}

.logo {
  width: 100%;
  margin-bottom: 20px;
}

h2 {
  color: var(--verde-escuro);
  margin-bottom: 20px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

label {
  text-align: left;
  font-weight: bold;
  color: var(--verde-escuro);
  font-size: 14px;
}

input {
  padding: 10px;
  border: 1px solid var(--verde-escuro);
  border-radius: 6px;
  font-size: 14px;
}

button {
  padding: 12px;
  background-color: var(--verde-escuro);
  color: var(--branco);
  border: none;
  border-radius: 6px;
  font-weight: bold;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: var(--verde-palmeiras);
}

.erro {
  color: red;
  margin-top: 10px;
  font-size: 13px;
}

/* Responsivo */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .login-box {
    padding: 20px;
  }

  .logo {
    width: 100px;
  }
}