html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(
    135deg,
    #1e5799 0%,
    #2989d8 50%,
    #207cca 51%,
    #7db9e8 100%
  );
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  box-sizing: border-box;
  overflow-x: hidden;
}

.login-container {
  background: linear-gradient(to right, #ffd700, #ffc300);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 450px;
  overflow: hidden;
}

.login-header {
  background: linear-gradient(to right, #ffd700, #ffc300);
  padding: 30px 20px;
  text-align: center;
}

.login-header h1 {
  color: #1e5799;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
}

.login-form {
  padding: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #1e5799;
  font-weight: 600;
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  font-size: 16px;
  transition: all 0.3s;
}

.form-group input:focus {
  border-color: #ffd700;
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.btn-submit {
  background: linear-gradient(to right, #1e5799, #2989d8);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 14px 20px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s;
  margin-top: 10px;
}

.btn-submit:hover {
  background: linear-gradient(to right, #154273, #1e5799);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(30, 87, 153, 0.3);
}

.form-footer {
  text-align: center;
  margin-top: 20px;
  color: #666;
  font-size: 14px;
}

.form-footer a {
  color: #1e5799;
  text-decoration: none;
  font-weight: 600;
}

.form-footer a:hover {
  text-decoration: underline;
}

.logo {
  display: block;
  margin: 0 auto 15px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, #1e5799 0%, #ffd700 100%);
}

.error-message {
  background: #fee;
  border: 1px solid #f00;
  padding: 15px;
  margin: 20px;
  border-radius: 6px;
  color: #d00;
  animation: slideIn 0.5s ease-out;
}

/* Responsividade para Login */
@media (max-width: 480px) {
  .login-container {
    margin: 10px;
  }

  .login-header {
    padding: 25px 15px;
  }

  .login-header h1 {
    font-size: 24px;
  }

  .login-form {
    padding: 25px 20px;
  }

  .logo {
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 360px) {
  .login-header h1 {
    font-size: 22px;
  }

  .login-form {
    padding: 20px 15px;
  }

  .form-group input {
    padding: 10px 12px;
    font-size: 14px;
  }

  .btn-submit {
    padding: 12px 15px;
    font-size: 14px;
  }
}

.alert {
  border-radius: 6px;
  padding: 10px 15px;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
}

.mensagem-topo.alert-danger {
  background: #f8d7da; /* vermelho claro */
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.mensagem-topo.alert-warning {
  background: #fff3cd; /* amarelo claro */
  color: #856404;
  border: 1px solid #ffeeba;
}

.alert-info {
  background-color: #d1ecf1;
  color: #0c5460;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mensagem-topo {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 480px;
  text-align: center;
  z-index: 9999;
  border-radius: 8px;
  padding: 12px 15px;
  font-weight: 600;
  animation: fadeSlide 0.4s ease-out;
  pointer-events: none;
  display: block !important;
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translate(-50%, -15px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}