/**
 * Variables de color - Sobreescribe las variables de Bootstrap
 */
 :root {
    --primary: #007bff;
    --secondary: #6c757d;
    --success: #28a745;
    --info: #17a2b8;
    --warning: #ffc107;
    --danger: #dc3545;
    --light: #f8f9fa;
    --dark: #343a40;
  }
  
  /**
   * Estilos base
   */
  body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #212529;
    background-color: #f8f9fa;
  }
  
  a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
  }
  
  a:hover {
    color: #0056b3;
    text-decoration: underline;
  }
  
  /**
   * Encabezados
   */
  h1, h2, h3, h4, h5, h6,
  .h1, .h2, .h3, .h4, .h5, .h6 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.2;
  }
  
  /**
   * Navbar personalizado
   */
  .navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
  }
  
  /**
   * Botones
   */
  .btn {
    border-radius: 0.25rem;
    padding: 0.375rem 0.75rem;
    font-weight: 500;
  }
  
  /**
   * Tarjetas
   */
  .card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 1.5rem;
  }
  
  .card-header {
    background-color: white;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    font-weight: 600;
  }
  
  /**
   * Formularios
   */
  .form-control {
    border-radius: 0.25rem;
    padding: 0.375rem 0.75rem;
  }
  
  .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
  }
  
  /**
   * Layout específico para Drupal
   */
  .region-content {
    padding: 2rem 0;
  }
  
  .block {
    margin-bottom: 2rem;
  }
  
  /**
   * Responsividad
   */
  @media (max-width: 767.98px) {
    .navbar-nav {
      padding-top: 1rem;
    }
    
    .region-content {
      padding: 1rem 0;
    }
  }