/* Telegram icon — bottom-right, bigger */
.telegram-link {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 60;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: transparent;
  box-shadow:
    0 0 0 1px rgba(56,189,248,0.9),
    0 18px 30px rgba(15,23,42,0.95);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.telegram-link img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.telegram-link:hover {
  transform: translateY(-2px) scale(1.04);
  background: rgba(15,23,42,1);
  box-shadow:
    0 0 0 1px rgba(56,189,248,0.9),
    0 18px 30px rgba(15,23,42,0.95);
}

@media (max-width: 480px) {
  th, td {
    padding: 8px 6px;
    font-size: 11px;
  }
  .coin-name,
  .ex-name {
    font-size: 11px;
  }
  .toolbar {
    flex-wrap: wrap;
  }
  .filter-row {
    margin-left: 0;
    flex-wrap: wrap;
  }
  .telegram-link {
    bottom: 14px;
    right: 14px;
    width: 56px;
    height: 56px;
  }
  .telegram-link img {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 720px) {
  header {
    flex-direction: column;
  }
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .shell {
    padding-inline: 12px;
  }
}