.vts-class-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.vts-class-card {
  background: #fff;
  border: 2px solid #a8cc36;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
  transition: transform 0.2s ease;
}

.vts-class-card:hover {
  transform: translateY(-4px);
}

.vts-class-card h3 {
  color: #333;
  margin-bottom: 10px;
}

.vts-day-time {
  color: #555;
  margin-bottom: 8px;
}

.vts-btn {
  display: inline-block;
  background-color: #a8cc36;
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.3s;
}

.vts-btn:hover {
  background-color: #94b730;
}

.vts-btn.full {
  background-color: #ccc;
  cursor: not-allowed;
}