/* Variables globales */
/* Variables globales */
:root {
  --exam-primary-color: #db5e00e0;
  --exam-secondary-color: #fff;
  --exam-text-color: #666;
  --exam-background-light: #e6e1e1;
  --exam-border-color: #ccc;
  --exam-font-size-lg: 16px;
  --exam-font-size-sm: 12px;
  --exam-border-radius: 9px;
  --exam-transition-speed: 0.3s;
}

/* Global styles */
.button-primary-exams {
  color: var(--exam-secondary-color) !important;
  background: var(--exam-primary-color) !important;
  border: none !important;
  border-radius: var(--exam-border-radius) !important;
  padding: 5px 15px !important;
  font-size: var(--exam-font-size-lg) !important;
  cursor: pointer !important;
  transition: background-color var(--exam-transition-speed) ease !important;
}

.button-secondary-exams {
  background: var(--exam-secondary-color) !important;
  color: var(--exam-primary-color) !important;
  border: none !important;
  border-radius: var(--exam-border-radius) !important;
  padding: 4px 8px !important;
  font-size: var(--exam-font-size-sm) !important;
  cursor: pointer !important;
  text-transform: uppercase !important;
  transition: background-color var(--exam-transition-speed) ease !important;
}

@media (max-width: 500px) {
  .button-secondary-exams {
    font-size: 10px !important;
  }
}

.button-secondary-seo {
  background: var(--exam-primary-color) !important;
  color: var(--exam-secondary-color) !important;
  border: none !important;
  border-radius: var(--exam-border-radius) !important;
  padding: 4px 8px !important;
  font-size: var(--exam-font-size-sm) !important;
  cursor: pointer !important;
  text-transform: uppercase !important;
  transition: background-color var(--exam-transition-speed) ease !important;
}

@media (max-width: 500px) {
  .button-secondary-seo {
    font-size: 10px !important;
  }
}

/* Filters wrapper */
.filters-wrapper {
  display: flex;
  gap: 10px;
  margin: 3rem 0;
  margin-bottom: 1rem;
}

@media (max-width: 500px) {
  .filters-wrapper {
    flex-wrap: wrap;
  }
}

.filter-select {
  height: min-content;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 4 columnas en desktop */
  gap: 20px;
  margin-top: 3rem;
}

.grid-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  background: var(--exam-background-light);
  border: 1px solid var(--exam-border-color);
  padding: 10px;
  border-radius: var(--exam-border-radius);
}

.grid-item > img {
  aspect-ratio: 1/1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--exam-background-light);
}

.buttons-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsive */
@media (max-width: 800px) {
  .grid-container {
    grid-template-columns: repeat(2, 1fr); /* 2 columnas en tablet */
  }
}

@media (max-width: 500px) {
  .grid-container {
    grid-template-columns: repeat(2, 1fr); /* 2 columna en móvil */
    gap: 10px;
  }
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton-img {
  width: 100%;
  height: 200px;
  margin-bottom: 10px;
}

.skeleton-text {
  height: 20px;
  margin: 10px 0;
  border-radius: 4px;
}

.skeleton-button {
  height: 36px;
  width: 100%;
  margin: 5px 0;
  border-radius: 4px;
}

.pagination-dots {
  display: inline-block;
  padding: 5px 10px;
  margin: 0 4px;
  color: var(--exam-text-color);
}

.hidden {
  display: none;
}

.exercise-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.exercise-header {
  margin-bottom: 20px;
}

.exercise-buttons {
  margin-bottom: 20px;
}

.button-primary {
  display: inline-block;
  padding: 10px 20px;
  background-color: #0073aa;
  color: var(--exam-secondary-color);
  text-decoration: none;
  border-radius: 4px;
}

.button-primary:hover {
  background-color: #005177;
}

.pdf-container {
  margin-bottom: 30px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.exercise-description {
  background-color: #f8f9fa;
  padding: 20px;
  border-radius: 4px;
}

.exercise-description h3 {
  margin-top: 0;
}

.exam-filters {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  margin: 20px 0;
}

.year-buttons,
.subject-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

/* State no results */
.no-results {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 3rem 1.5rem;
  margin: 2rem auto;
  max-width: 500px;
  min-height: 40vh;
  text-align: center;
}

@media (max-width: 600px) {
  .no-results {
    font-size: 1rem;
    min-height: 120px;
    padding: 2rem 1rem;
  }

  .no-results::before {
    font-size: 1.5rem;
  }
}

/* Search Bar */
#search-tematicas {
  border-radius: 9px;
}

.search-tematicas-container {
  margin-top: 20px;
  margin-bottom: 20px;
  width: 100%;
}

.search-tematicas-form {
  position: relative;
}

.search-input-container {
  display: flex;
  width: 100%;
  align-items: center;
}

#search-tematicas {
  flex-grow: 1;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

.button-primary-exams {
  background-color: #0073aa;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

.button-primary-exams:hover {
  background-color: #005177;
}