:root {
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --primary-color: #0056b3; /* Azul oscuro */
  --secondary-color: #6c757d; /* Gris */
  --accent-color: #dc3545; /* Rojo */
  --bg-color: #f8f9fa; /* Gris claro */
  --text-color: #495057; /* Gris oscuro */
  --success-color: #28a745; /* Verde */
  --success-hover-color: #218838; /* Nuevo color para hover */
  --warning-color: #ffc107; /* Amarillo */
  --card-bg-color: #fff; /* Blanco */
  --form-bg-color: #e9ecef; /* Gris muy claro */
  --header-bg-color: #004a99; /* Azul más oscuro para el header */
}

body {
  font-family: "Arial", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

/* Header Banner */
.header-banner {
  background: url("f11.jpg") no-repeat center center;
  background-size: cover;
  color: white;
  padding: 4rem 0;
  margin-bottom: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
  background-color: var(--header-bg-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  margin-top: 80px; /* Ajustar el margen superior */
  transition: all 0.5s ease-in-out;
}

.header-banner:hover {
  transform: scale(1.05);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.3);
}

.header-banner img {
  max-height: 100px;
}

.header-banner h1 {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

/* Container */
.container {
  max-width: 1140px;
  padding: 1rem;
}

/* Card */
.card {
  border: none;
  border-radius: 1rem;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  background-color: var(--card-bg-color);
  transition: transform 0.2s ease-in-out;
}

.card:hover {
  transform: translateY(-5px);
}

.card-body {
  padding: 2rem;
}

.card-title {
  font-size: 1.75rem;
  font-weight: bold;
  color: var(--primary-color);
  border-bottom: 3px solid var(--primary-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

/* Form */
.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-label {
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

/* Estilos para campos obligatorios */
.form-label.required::after {
  content: " *";
  color: var(--accent-color);
  font-weight: bold;
}

.form-text.obligatorio {
  color: var(--accent-color);
  font-size: 0.875rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
  font-style: italic;
}

.form-control.required {
  border-left: 3px solid var(--accent-color);
}

.form-control.required:focus {
  border-left: 3px solid var(--accent-color);
  box-shadow: -3px 0 0 var(--accent-color), 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-control,
.form-select {
  border-radius: 0.5rem;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #ced4da;
  background-color: var(--form-bg-color);
  color: var(--text-color);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.form-control:focus,
.form-select:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
  outline: none;
}

/* Estilos para validación */
.form-control.is-valid,
.was-validated .form-control:valid {
  border-color: #198754;
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid,
.was-validated .form-control:invalid {
  border-color: #dc3545;
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.valid-feedback,
.invalid-feedback {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875em;
}

.valid-feedback {
  color: #198754;
}

.invalid-feedback {
  color: #dc3545;
}

/* Animación para feedback */
.form-control.is-valid,
.form-control.is-invalid {
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* Botones */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

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

.btn-primary:hover {
  background-color: darken(var(--primary-color), 10%);
  border-color: darken(var(--primary-color), 10%);
}

.btn-outline-primary {
  color: #007bff;
  border-color: #007bff;
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
}

.btn-outline-primary:hover {
  background-color: #007bff;
  color: white;
}

.btn-success {
  background-color: #28a745;
  border-color: #28a745;
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: bold;
  color: white;
}

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

/* Alertas */
.alert {
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.alert-info {
  background-color: rgba(52, 152, 219, 0.1);
  border-left: 0.5rem solid #17a2b8;
  border-radius: 0.5rem;
  padding: 1rem;
}

.alert-info ul {
  padding-left: 1.5rem;
}

.alert-info li {
  margin-bottom: 0.5rem;
}

.alert-success {
  background-color: rgba(40, 167, 69, 0.1);
  color: #155724;
}

.alert-danger {
  background-color: rgba(220, 53, 69, 0.1);
  color: #721c24;
  animation: shake 0.5s linear;
}

.alert-heading {
  font-weight: bold;
  color: #004a99;
}

/* Navbar */
.navbar {
  background-color: #004a99;
  border-radius: 0;
  margin-bottom: 2rem; /* Eliminar el margen inferior */
  color: white;
  padding: 1rem 0;
}

.navbar-brand {
  font-weight: bold;
  font-size: 1.5rem;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  margin-left: 1rem;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: white;
}

.nav-link {
  color: white;
}

.nav-link:hover {
  color: #ddd;
}

/* Responsive */
@media (max-width: 768px) {
  .header-banner {
    padding: 2rem 0;
  }

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

  .card-body {
    padding: 1.5rem;
  }
}

/* Estilos adicionales */
.form-check-label {
  font-weight: 500;
}

.form-check-input:checked {
  background-color: #007bff;
  border-color: #007bff;
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.text-end {
  text-align: right;
}

.invalid-feedback {
  display: block;
  margin-top: -0.75rem;
  margin-bottom: 0.5rem;
}

/* Estilos para el select personalizado */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='currentColor' class='bi bi-chevron-down' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  padding-right: 2.5rem;
}

/* Footer */
footer {
  background-color: #004a99;
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 2rem;
}

/* Estilos para animaciones */
#info {
  animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Estilos para la sección de información general */
#info .container {
  max-width: 1140px; /* Aumentar el ancho máximo */
}

#info h2 {
  color: var(--primary-color);
  margin-bottom: 2rem; /* Aumentar el margen inferior */
}

#info .info-item {
  margin-bottom: 1.5rem; /* Reducir el margen inferior */
  text-align: left; /* Alinear el texto a la izquierda */
}

#info .info-item i {
  margin-bottom: 0.75rem; /* Reducir el margen inferior */
  float: left; /* Colocar el icono a la izquierda */
  margin-right: 0.75rem; /* Reducir el margen derecho */
}

#info .info-item h3 {
  font-weight: bold;
  margin-bottom: 0.25rem; /* Reducir el margen inferior */
  font-size: 1.2rem; /* Reducir el tamaño de la fuente */
}

#info .info-item p {
  font-size: 1rem; /* Reducir el tamaño de la fuente */
}

#info .list-unstyled {
  padding-left: 0; /* Eliminar el padding por defecto de la lista */
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(5px);
  }
  50% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
  100% {
    transform: translateX(0);
  }
}

/* Estilos para el selector de semanas */
.semanas-selector .semana-check {
  transition: all 0.2s ease-in-out;
  background-color: #f8f9fa;
  border-color: #dee2e6 !important;
  cursor: pointer;
}

.semanas-selector .semana-check:hover {
  background-color: #e9ecef;
  border-color: #ced4da !important;
}

.semanas-selector .semana-check .form-check-input:checked ~ .form-check-label {
  font-weight: 500;
  color: var(--primary-color);
}

.semanas-selector .semana-check:has(.form-check-input:checked) {
  background-color: rgba(0, 123, 255, 0.05);
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 1px rgba(0, 123, 255, 0.1);
}

.semanas-selector .form-check-input {
  float: left;
  margin-right: 8px;
}

/* Estilos para las semanas deshabilitadas */
.semana-disabled {
  opacity: 0.5;
  position: relative;
}

.semana-disabled::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(200, 200, 200, 0.3);
  pointer-events: none;
  border-radius: 0.25rem;
}

/* Efectos de carga para las semanas */
.loading-semanas {
  position: relative;
  min-height: 100px;
}

.spinner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
  border-radius: 0.25rem;
}