/* General Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
  background-color: #f4f4f4;
}

/* Header */
header {
  background-color: #1565c0;
  color: white;
  padding: 20px;
}

/* Filter Bar */
.filter-container {
  margin: 20px;
}

button {
  background-color: #1565c0;
  color: white;
  border: none;
  padding: 10px 15px;
  margin: 5px;
  cursor: pointer;
  border-radius: 5px;
}

button:hover {
  background-color: #0d47a1;
}

/* Grid Layout for Classes */
.class-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
  max-width: 1000px;
  margin: auto;
}

.class-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease-in-out;
  cursor: pointer;
}

.class-card:hover {
  transform: scale(1.05);
}

.class-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.class-card h2 {
  padding: 10px;
}

audio {
  width: 90%;
  margin: 10px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  width: 350px;
  text-align: center;
  position: relative;
}

.close {
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 24px;
  cursor: pointer;
}