/* Articles Page Styles */
.articles {
  padding-top: 120px;
}

.search-filter {
  margin-bottom: var(--spacing-xl);
  display: flex;
  justify-content: center;
}

.search-box {
  display: flex;
  width: 100%;
  max-width: 500px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--primary-light);
  border-radius: var(--border-radius);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 5px rgba(26, 115, 232, 0.3);
}

.search-box button {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0 var(--spacing-md);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  cursor: pointer;
  transition: var(--transition);
}

.search-box button:hover {
  background-color: var(--primary-dark);
}

.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.video-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.video-thumbnail {
  position: relative;
  overflow: hidden;
  height: 180px;
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.video-card:hover .video-thumbnail img {
  transform: scale(1.05);
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background-color: rgba(26, 115, 232, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .video-play {
  opacity: 1;
}

.video-info {
  padding: var(--spacing-md);
}

.video-info h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
  line-height: 1.4;
  min-height: 55px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  color: var(--text-medium);
  font-size: 0.9rem;
}

.video-meta i {
  margin-left: var(--spacing-xs);
}

.video-meta span {
  margin-right: var(--spacing-md);
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal.active {
  display: flex;
}

.modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 30px;
  height: 30px;
  background-color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
}

.modal-close:hover {
  background-color: var(--error-color);
  color: var(--white);
}

.video-frame {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
}

.video-frame iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.pagination {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.no-results {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.no-results p {
  font-size: 1.2rem;
  color: var(--text-medium);
  margin-bottom: var(--spacing-md);
}

.video-appear {
  animation: videoAppear 0.5s ease-out forwards;
}

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

/* Responsive Styles */
@media (max-width: 768px) {
  .videos-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 576px) {
  .videos-grid {
    grid-template-columns: 1fr;
  }
  
  .search-box {
    max-width: 100%;
  }
}