* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #F5F5F5;
  color: #222;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.logo {
  display: block;
  margin: 40px auto 10px;
  max-width: 160px;
}

.descricao {
  text-align: center;
  color: #666;
  margin-bottom: 30px;
  font-size: 15px;
}

.login-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-direction: column;
  max-width: 380px;
  width: 90%;
  margin: 0 auto;
}

.card-login {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  width: 100%;
}

.form-login label {
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 6px;
  display: block;
  color: #222;
}

.form-login input {
  width: 100%;
  padding: 12px;
  border: 1.5px solid #ddd;
  border-radius: 10px;
  font-size: 15px;
  margin-bottom: 18px;
  transition: border 0.2s ease;
  background: #fff;
}

.form-login input:focus {
  border-color: #0047BB;
  outline: none;
}

.senha-box {
  position: relative;
}

.toggle-senha {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  cursor: pointer;
  color: #888;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background: #0047BB;
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:disabled {
  background: #a3a3a3;
  cursor: not-allowed;
}

.btn-primary:hover:not(:disabled) {
  background: #003a9c;
  box-shadow: 0 4px 10px rgba(0,71,187,0.25);
}

.btn-secondary {
  display: block;
  text-align: center;
  margin-top: 20px;
  font-size: 15px;
  color: #666;
  text-decoration: none;
  transition: color 0.2s ease;
}

.btn-secondary:hover {
  color: #0047BB;
}

.alerta {
  background: #E74C3C;
  color: #fff;
  text-align: center;
  padding: 10px;
  font-size: 14px;
}

.footer {
  text-align: center;
  padding: 20px;
  color: #A3A3A3;
  font-size: 13px;
  margin-top: auto;
}

.valid {
  border-color: #2ECC71 !important;
}

.invalid {
  border-color: #E74C3C !important;
}

@media (max-width: 480px) {
  .card-login {
    padding: 24px;
  }
  .btn-primary {
    font-size: 15px;
    padding: 12px;
  }
}