body {
  height: 100vh;
  overflow: hidden;
}

.general-grid-lib-container {
  display: grid;
  grid-template-columns: 8fr;
  width: 100%;
  height: 100vh;
  margin: 0 auto;
  overflow: hidden;
}

.grid-lib-container {
  grid-column: 2 / span 6;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
  overflow-y: auto;
  height: 100%;
}

.content-lib-media {
  overflow: hidden;
  border: 1px solid #ccc;
  font-size: 1.25rem;
  text-align: center;
  border-radius: 10px;
  transition: transform 0.2s ease, border-radius 0.2s ease;
}

.content-lib-media img {
  max-width: 100%;
  object-fit: cover;
  height: 240px;
  display: block;
  margin: 0 auto;
}

.content-lib-info {
  padding-top: 0.5rem;
  text-align: left;
}

.content-lib-info h3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0;
}

.content-lib-subinfo {
  margin-top: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.content-lib-info p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #666;
  margin-top: 0;
  font-size: 0.9rem;
}

.content-lib-media:hover {
  transform: scale(1.05);
  border-radius: 0;
  cursor: pointer;
}

.content-lib-info:hover {
  cursor: pointer;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  height: 100vh;
  background-color: #f5f5f5;
  padding: 20px;
  border-right: 1px solid #d3d4d5;
}

.sidebar img {
  margin-bottom: 2rem;
}

ul {
  list-style: none;
}

.sidebar ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  list-style: none;
  width: 100%;
}

.sidebar li {
  display: flex;
  width: 100%;
  gap: 1rem;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  padding: 10px;
}

.sidebar a {
  display: flex;
  text-decoration: none;
  gap: 0.5rem;
  color: black;
  align-items: center;
  justify-content: center;
}

.sidebar li:hover {
  background-color: #e0e0e0;
}

.sidebar a.active {
  background-color: #007bff;
  color: #fff;
}

.topbar {
  display: none;
}

.topbar img {
  margin: 20px;
  margin-bottom: 40px;
}

.badge {
  background-color: #e0e0e0;
  color: #007bff;
  padding: 0.5rem;
  border-radius: 5px;
  font-size: 1rem;
  text-decoration: none;
}

.topbar ul {
  display: flex;
  justify-content: center;
  list-style: none;
  overflow-x: auto;
  white-space: nowrap;
  padding: 0.5rem;
  gap: 0.5rem;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

.topbar li {
  transition: all 0.1s ease;
  border-radius: 5px;
  padding: 0.25rem;
  flex: 0 0 auto;
}

.topbar li:hover {
  transform: scale(1.05);
}

.topbar a {
  text-decoration: none;
  color: #333;
}

/* .topbar-difficulties .badge {
    background-color: #FFE8D6;
} */

.badge-categories-active {
  background-color: #80bfff;
  color: #fff;
}

.badge-difficulties-active {
  background-color: #ffcc00;
  color: #fff;
}

hr {
  margin: 0;
  border: 0;
  border-top: 1px solid #d3d4d5;
  margin: 8px;
}

.title-head {
  font-weight: bold;
  padding: 0.5rem;
}

.sidebar .quiz-sidebar-btn {
  margin-top: 1rem;
  padding: 0.75rem;
  background: linear-gradient(135deg, #007bff, #00a6ff);
  color: white;
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2),
    0 6px 20px rgba(0, 123, 255, 0.1);
  transition: all 0.3s ease;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  font-size: 1rem;
  overflow: hidden;
}

.sidebar .quiz-sidebar-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3),
    0 8px 25px rgba(0, 123, 255, 0.2);
}

.sidebar .quiz-sidebar-btn:active {
  transform: translateY(1px);
  box-shadow: 0 2px 10px rgba(0, 123, 255, 0.2),
    0 4px 15px rgba(0, 123, 255, 0.1);
}

.sidebar .quiz-sidebar-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: all 0.3s ease;
}

.sidebar .quiz-sidebar-btn:hover::before {
  left: 100%;
}

@media screen and (max-width: 768px) {
  .grid-lib-container {
    grid-column: 1 / span 8;
    padding: 2rem;
  }

  .content-lib-media {
    font-size: 1rem;
  }

  .sidebar {
    display: none;
  }

  .topbar {
    display: flex;
    flex-direction: column;
    justify-items: center;
    align-items: center;
    padding: 14px;
    padding-bottom: 20px;
  }

  .topbar .quiz-btn {
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #007bff, #00a6ff);
    color: white;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
    transition: all 0.3s ease;
  }

  .topbar .quiz-btn {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
  }
}