/* Colores del tema claro */
:root {
    --color-primary: #2dafc3;
    --color-primary-hover: #269eb0;
    --color-secondary: #5dc6dc;
    --color-accent: #f8b634;
    --color-background: #ffffff;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-border: #e5e5e5;
    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-background-alt: #f8f8f8;
    --color-card: #ffffff;
    --color-card-hover: #f8f8f8;
    --color-header: #ffffff;
    --color-footer: #ffffff;
    --color-input: #ffffff;
    --color-input-border: #e5e5e5;
    --color-success: #34d399;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    --color-highlight: #fff8e6;
    --color-highlight-hover: #fff3d1;
    --color-tag-bg: #e6f7fa;
    --color-tag-text: #2dafc3;
    --color-modal-overlay: rgba(255, 255, 255, 0.95);
  }
  
  /* Tema oscuro */
  .dark-mode {
    --color-primary: #1a8794;
    --color-primary-hover: #3a8b9c;
    --color-secondary: #3a8b9c;
    --color-accent: #cc9428;
    --color-background: #121212;
    --color-text: #e8e8e8;
    --color-text-secondary: #ababab;
    --color-border: #2a2a2a;
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-background-alt: #1e1e1e;
    --color-card: #1e1e1e;
    --color-card-hover: #2a2a2a;
    --color-header: #1e1e1e;
    --color-footer: #1e1e1e;
    --color-input: #2a2a2a;
    --color-input-border: #3a3a3a;
    --color-success: #059669;
    --color-error: #dc2626;
    --color-warning: #d97706;
    --color-info: #2563eb;
    --color-highlight: #2a2a2a;
    --color-highlight-hover: #333333;
    --color-tag-bg: #1a8794;
    --color-tag-text: #ffffff;
    --color-modal-overlay: rgba(0, 0, 0, 0.95);
  }
  
  /* Estilos base */
  body {
    background-color: var(--color-background);
    color: var(--color-text);
    transition: background-color 0.3s ease, color 0.3s ease;
  }
  
  /* Hero Section */
  .hero-section {
    min-height: 90vh;
    padding: 8rem 0;
    position: relative;
    background: linear-gradient(
      135deg,
      rgba(45, 175, 195, 0.1) 0%,
      rgba(93, 198, 220, 0.1) 100%
    );
  }
  
  .dark-mode .hero-section {
    background: linear-gradient(
      135deg,
      rgba(26, 135, 148, 0.1) 0%,
      rgba(58, 139, 156, 0.1) 100%
    );
  }
  
  /* Botones */
  .btn-primary {
    background-color: var(--color-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--color-shadow);
  }
  
  .btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--color-shadow);
  }
  
  .btn-secondary {
    background-color: var(--color-background);
    color: var(--color-primary);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    border: 2px solid var(--color-primary);
    transition: all 0.3s ease;
  }
  
  .btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--color-shadow);
  }
  
  .btn-accent {
    background-color: var(--color-accent);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px var(--color-shadow);
  }
  
  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--color-shadow);
    filter: brightness(110%);
  }
  
  /* Estadísticas */
  .stats-container {
    background-color: var(--color-card);
    border-radius: 1rem;
    box-shadow: 0 8px 16px var(--color-shadow);
    padding: 2rem;
  }
  
  .stats-container .stat-card {
    background-color: var(--color-card);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
  }
  
  .stats-container .stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--color-shadow);
    background-color: var(--color-card-hover);
  }
  
  /* Secciones */
  .section-alt {
    background-color: var(--color-background-alt);
    transition: background-color 0.3s ease;
  }
  
  /* Tarjetas */
  .card {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px var(--color-shadow);
    background-color: var(--color-card-hover);
  }
  
  /* Etiquetas */
  .tag-filter {
    background-color: var(--color-tag-bg);
    color: var(--color-tag-text);
    transition: all 0.3s ease;
  }
  
  .tag-filter:hover {
    background-color: var(--color-primary);
    color: white;
  }
  
  .tag-filter.active {
    background-color: var(--color-primary);
    color: white;
  }
  
  /* Alertas */
  .alert {
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
  }
  
  .alert-error {
    background-color: var(--color-error);
    color: white;
  }
  
  .alert-success {
    background-color: var(--color-success);
    color: white;
  }
  
  .alert-warning {
    background-color: var(--color-warning);
    color: white;
  }
  
  .alert-info {
    background-color: var(--color-info);
    color: white;
  }
  
  /* Formularios */
  input,
  select,
  textarea {
    background-color: var(--color-input);
    border: 1px solid var(--color-input-border);
    color: var(--color-text);
  }
  
  input:focus,
  select:focus,
  textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-hover);
  }
  
  /* Modales */
  .modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: var(--color-modal-overlay);
    backdrop-filter: blur(4px);
    z-index: 40;
  }
  
  .modal-content {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    box-shadow: 0 20px 25px -5px var(--color-shadow), 0 10px 10px -5px var(--color-shadow);
    overflow: hidden;
    transform: translateY(0);
    transition: transform 0.3s ease-out;
  }
  
  @media (max-width: 640px) {
    .modal-content {
      border-bottom-left-radius: 0;
      border-bottom-right-radius: 0;
    }
  }
  
  .modal-header {
    border-bottom: 1px solid var(--color-border);
  }
  
  .modal-footer {
    border-top: 1px solid var(--color-border);
  }
  
  /* Menús desplegables */
  .dropdown-menu {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 6px var(--color-shadow);
    border-radius: 0.5rem;
    z-index: 50;
  }
  
  /* Animaciones */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
  }
  
  .delay-200 {
    animation-delay: 0.2s;
  }
  .delay-300 {
    animation-delay: 0.3s;
  }
  .delay-400 {
    animation-delay: 0.4s;
  }
  .delay-600 {
    animation-delay: 0.6s;
  }
  
  /* Responsive */
  @media (max-width: 640px) {
    .hero-section {
      min-height: 80vh;
      padding: 6rem 0;
    }
  
    .btn-primary,
    .btn-secondary,
    .btn-accent {
      padding: 0.75rem 1.5rem;
    }
  }
  
  /* Utilidades */
  .text-primary {
    color: var(--color-primary);
  }
  .text-secondary {
    color: var(--color-secondary);
  }
  .text-accent {
    color: var(--color-accent);
  }
  .bg-primary {
    background-color: var(--color-primary);
  }
  .bg-secondary {
    background-color: var(--color-secondary);
  }
  .bg-accent {
    background-color: var(--color-accent);
  }
  
  /* Modo oscuro específico */
  .dark-mode .text-primary {
    color: var(--color-primary);
  }
  .dark-mode .bg-primary {
    background-color: var(--color-primary);
  }
  .dark-mode input::placeholder {
    color: var(--color-text-secondary);
  }