.join-channels-section .channel-card {
  border-radius: 14px;
  padding: 16px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  border: 1px solid #e5e7eb;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.join-channels-section .channel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.08);
}
.join-channels-section .channel-header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.join-channels-section .channel-avatar img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: contain;
  background: #fff;
  padding: 4px;
}
.join-channels-section .channel-info h5 {
  margin: 0;
  font-weight: 700;
}
.join-channels-section .channel-badge {
  margin-left: auto;
  font-size: 1.3rem;
}
.join-channels-section .channel-body {
  margin-top: 10px;
  color: #4b5563;
}
.join-channels-section .channel-meta {
  margin-top: 6px;
  color: #6b7280;
  font-size: 0.9rem;
}
.join-channels-section .channel-actions {
  margin-top: 12px;
}
.btn-instagram {
  background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af, #515bd4);
  color: #fff;
  border: none;
}
.btn-whatsapp {
  background: #25d366;
  color: #fff;
  border: none;
}
.channel-card.instagram .channel-badge { color: #dd2a7b; }
.channel-card.whatsapp .channel-badge { color: #25d366; }