/* modern-theme.css - Tema moderno para MCDA */

:root {
  /* Paleta de colores principal */
  --primary: #003066;        /* Azul institucional */
  --primary-light: #002855;  /* Hover/active más oscuro */
  --secondary: #2ecc71;
  --accent: #f39c12;
  --danger: #e74c3c;
  --success: #27ae60;
  --warning: #f1c40f;
  --info: #3498db;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --gray: #95a5a6;
  
  /* Sombras y efectos */
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --box-shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
  
  /* Bordes y espaciado */
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
}

/* Estilos generales */
body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--dark);
  background-color: #f8f9fa;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--dark);
}

/* Navbar personalizada */
.navbar-mcda {
  background-color: var(--primary);
  box-shadow: var(--box-shadow);
}

.navbar-mcda .navbar-brand {
  color: white;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.navbar-mcda .nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  transition: var(--transition);
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-sm);
  margin-right: 0.25rem;
}

.navbar-mcda .nav-link:hover,
.navbar-mcda .nav-link:focus {
  color: white;
  background-color: rgba(255, 255, 255, 0.1);
}

.navbar-mcda .nav-link.active {
  color: white;
  background-color: rgba(255, 255, 255, 0.15);
}

/* Tarjetas mejoradas */
.card {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--box-shadow-hover);
  transform: translateY(-3px);
}

.card-header {
  background-color: white;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: var(--spacing-md) var(--spacing-lg);
}

.card-header h5 {
  margin-bottom: 0;
  font-weight: 600;
}

.card-body {
  padding: var(--spacing-lg);
}

/* Botones personalizados */
.btn {
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  box-shadow: 0 4px 8px rgba(26, 82, 118, 0.3);
}

.btn-success {
  background-color: var(--success);
  border-color: var(--success);
}

.btn-success:hover, .btn-success:focus {
  background-color: #219a52;
  border-color: #219a52;
  box-shadow: 0 4px 8px rgba(39, 174, 96, 0.3);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* Formularios mejorados */
.form-control, .form-select {
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  border: 1px solid #dde2e6;
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.25rem rgba(41, 128, 185, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #495057;
}

.form-text {
  color: #6c757d;
}

/* Fieldsets y legends */
fieldset {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  background-color: white;
}

legend {
  width: auto;
  padding: 0 var(--spacing-sm);
  margin-bottom: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Tablas mejoradas */
.table {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.table thead th {
  background-color: var(--primary);
  color: white;
  font-weight: 500;
  border-bottom: none;
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(236, 240, 241, 0.5);
}

.table-hover tbody tr:hover {
  background-color: rgba(52, 152, 219, 0.1);
}

/* Paginación */
.pagination .page-link {
  color: var(--primary);
  border: 1px solid #dee2e6;
  margin: 0 2px;
  border-radius: var(--border-radius-sm);
}

.pagination .page-item.active .page-link {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* Alertas */
.alert {
  border: none;
  border-radius: var(--border-radius);
  padding: 1rem 1.5rem;
  box-shadow: var(--box-shadow);
}

.alert-primary {
  background-color: rgba(52, 152, 219, 0.15);
  color: var(--primary);
}

.alert-success {
  background-color: rgba(46, 204, 113, 0.15);
  color: var(--success);
}

.alert-danger {
  background-color: rgba(231, 76, 60, 0.15);
  color: var(--danger);
}

.alert-warning {
  background-color: rgba(241, 196, 15, 0.15);
  color: #d35400;
}

/* Badges */
.badge {
  font-weight: 500;
  padding: 0.35em 0.65em;
  border-radius: var(--border-radius-sm);
}

/* Modales */
.modal-content {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  background-color: var(--primary);
  color: white;
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
}

.modal-header .btn-close {
  filter: brightness(0) invert(1);
}

.modal-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Tooltips */
.tooltip .tooltip-inner {
  background-color: var(--dark);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--box-shadow);
}

/* Estilos para la página de inicio */
.welcome-section {
  padding: var(--spacing-xl) 0;
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: var(--spacing-xl);
}

.feature-card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-card .card-body {
  flex: 1;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: white;
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Utilidades */
.bg-light-gray {
  background-color: #f8f9fa;
}

.text-primary {
  color: var(--primary) !important;
}

.border-top-primary {
  border-top: 3px solid var(--primary);
}

.shadow-sm {
  box-shadow: var(--box-shadow) !important;
}

.shadow-lg {
  box-shadow: var(--box-shadow-hover) !important;
}

/* Animaciones */
.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

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

/* Responsive */
@media (max-width: 768px) {
  .card {
    margin-bottom: var(--spacing-md);
  }
  
  fieldset {
    padding: var(--spacing-md);
  }
  
  .navbar-mcda .nav-link {
    padding: 0.5rem 0.75rem;
  }
}