.ddd-button {
  padding: 12px 20px;
  border: none;
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
}
.ddd-button:hover {
  opacity: 0.9;
}
.ddd-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.ddd-modal-content {
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  max-width: 600px;
  width: 90%;
  position: relative;
  animation: fadeIn 0.3s ease-in-out;
}
.ddd-close {
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 26px;
  cursor: pointer;
}
@keyframes fadeIn {
  from {opacity: 0; transform: translateY(-10px);}
  to {opacity: 1; transform: translateY(0);}
}