body {
  font-family: 'Rubik', sans-serif;
  background: linear-gradient(to bottom right, #eefdf2, #e6f7ff);
  padding: 2rem;
}

.container {
  max-width: 900px; /* atau 80%, tergantung preferensi */
  margin: 0 auto;
  padding: 2rem;
  background-color: #d8f7e2;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
}

.slider-wrapper {
  overflow: hidden;
  position: relative;
}

.scrolling-slider {
  display: flex;
  flex-direction: row;
  width: 100%;
}

.sample-track {
  display: flex;
  gap: 1rem;
  animation: scrollSlider 30s linear infinite;
}

.sample-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 150px;
  text-align: center;
}

.sample-card img {
  width: 100%;
  height: 100px;
  object-fit: contain;
  border: 2px solid #ddd;
  border-radius: 8px;
  background: white;
  padding: 5px;
}

.sample-card p {
  margin-top: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
}

@keyframes scrollSlider {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.drop-area {
  border: 2px dashed #198754;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s;
  background-color: #dfffe6;
  max-width: 100%;
}

.drop-area img {
  max-height: 130px;
  margin-top: 1rem;
  object-fit: contain;
}

.drop-area.hover {
  background-color: #d1f7d6;
}

.result-box {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.scrolling-slider:hover .sample-track {
  animation-play-state: paused;
}