.page-header {
  background: linear-gradient(135deg, #0072ff, #00c6ff);
  color: white;
  text-align: center;
  padding: 60px 0;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* Responsividade para páginas internas */
@media (max-width: 480px) {
  .page-header {
    padding: 40px 0;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .page-header p {
    font-size: 1rem;
  }

  .alimentacao-grid, .exercicios-grid, .agua-grid, .monitoramento-grid, .imc-grid, .perfil-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card {
    padding: 20px;
  }

  .exercicio-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .exercicio-detalhes {
    flex-wrap: wrap;
    gap: 10px;
  }

  .stats-container, .metas-container {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Perfil mobile */
  .sync-actions {
    flex-direction: column;
  }

  .sync-actions .btn {
    width: 100%;
  }

  /* Formulários mobile */
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* Evita zoom no iOS */
  }

  .btn {
    width: 100%;
    padding: 15px 24px;
    font-size: 16px;
  }

  /* Filtros mobile */
  .filtros-exercicio {
    justify-content: center;
  }

  .filtro-btn {
    flex: 1;
    min-width: 80px;
    text-align: center;
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  .page-header {
    padding: 40px 0;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .page-header p {
    font-size: 1rem;
  }

  .alimentacao-grid, .exercicios-grid, .agua-grid, .monitoramento-grid, .imc-grid, .perfil-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card {
    padding: 20px;
  }

  .exercicio-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .exercicio-detalhes {
    flex-wrap: wrap;
    gap: 10px;
  }

  .stats-container, .metas-container {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Perfil mobile */
  .sync-actions {
    flex-direction: column;
  }

  .sync-actions .btn {
    width: 100%;
  }

  /* Formulários mobile */
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* Evita zoom no iOS */
  }

  .btn {
    width: 100%;
    padding: 15px 24px;
    font-size: 16px;
  }

  /* Filtros mobile */
  .filtros-exercicio {
    justify-content: center;
  }

  .filtro-btn {
    flex: 1;
    min-width: 80px;
    text-align: center;
  }
}

/* Responsividade para tablets */
@media (min-width: 769px) and (max-width: 1024px) {
  .alimentacao-grid, .exercicios-grid, .agua-grid, .monitoramento-grid, .imc-grid, .perfil-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}