.call-section {
  background: #ffffff;
  margin: 16px;
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  text-align: center;
  border: 1px solid #e2e8f0;
}
.call-status {
  font-size: 13px;
  font-weight: bold;
  color: #64748b;
  margin-bottom: 14px;
  min-height: 20px;
}
.btn-call {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  border: none;
  width: 100%;
  padding: 15px;
  font-size: 16px;
  font-weight: 800;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}
.btn-hangup {
  background: #ef4444;
  color: #ffffff;
  border: none;
  width: 100%;
  padding: 15px;
  font-size: 16px;
  font-weight: 800;
  border-radius: 12px;
  cursor: pointer;
  display: none;
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.3);
}