<style>
.border-box {
  border: 1px solid #6a0dad; /* ungu */
  border-radius: 12px;
  padding: 15px;
  background-color: #2b004d; /* background ungu */
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.border-box .card {
  flex: 1 1 calc(20% - 15px);
  max-width: 100px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(145deg, #2b004d, #6a0dad);
  box-shadow: 0 4px 12px rgba(0,234,255,0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.border-box .card:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 20px rgba(0,234,255,0.7);
}

.border-box .card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (max-width: 768px) {
  .border-box .card { flex: 1 1 calc(33.33% - 10px); }
}

@media (max-width: 480px) {
  .border-box .card { flex: 1 1 calc(50% - 10px); }
}

.prdx-wrapper {
  background: #2b004d; /* ungu */
  padding: 30px;
  border-radius: 20px;
  color: #00eaff; /* teks biru laut neon */
  max-width: 750px;
  margin: auto;
  border: 1px solid #00eaff55;
  box-shadow: 0 0 25px #00eaff22;
  font-family: "Segoe UI", sans-serif;
}

.prdx-title {
  text-align: center;
  color: #00eaff;
  font-size: 30px;
  margin-bottom: 25px;
  text-shadow: 0 0 10px #00eaff;
}

.prdx-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 25px;
}

.prdx-input {
  background: #3a0066;
  border: 1px solid #00eaff55;
  border-radius: 10px;
  padding: 12px;
  color: #00eaff;
  width: 100%;
}

.prdx-btn {
  background: #6a0dad;
  color: #00eaff;
  padding: 14px 20px;
  border-radius: 10px;
  cursor: pointer;
  border: none;
  font-weight: bold;
  transition: 0.25s;
}

.prdx-btn:hover {
  background: #7d1fd3;
}

.prdx-result {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  opacity: 0;
  transition: 0.5s ease-out;
}

.prdx-box {
  background: #3a0066;
  padding: 14px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid #00eaff33;
  box-shadow: 0 0 12px #00eaff11;
  opacity: 0;
  transform: translateY(15px);
  transition: 0.5s;
}

.prdx-label {
  display: block;
  font-size: 13px;
  color: #00eaff;
  margin-bottom: 6px;
}

.prdx-num {
  font-size: 28px;
  font-weight: bold;
  letter-spacing: 3px;
  min-height: 34px;
  transition: 0.3s ease-in-out;
}

.prdx-num.glow {
  color: #00eaff;
  text-shadow: 0 0 10px #00eaff, 0 0 20px #00eaffaa;
}

.prdx-hacker-text {
  font-family: "Consolas", "Courier New", monospace;
  color: #00eaff;
  background: #3a0066;
  padding: 12px 18px;
  border-left: 3px solid #00eaff;
  border-radius: 6px;
  margin-bottom: 18px;
  font-size: 15px;
  text-shadow: 0 0 8px #00eaff;
  animation: prdxGlowBlue 1.5s infinite alternate;
}

@keyframes prdxGlowBlue {
  0% { opacity: 0.7; }
  100% { opacity: 1; }
}
</style>