body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #fafafa;
  color: #333;
}

.gem-container {
  display: flex;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 40px auto;
  gap: 40px;
  padding: 20px;
}

.gem-image-section {
  flex: 1;
  min-width: 300px;
}

.gem-image-section img {
  width: 100%;
  max-width: 400px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.gem-thumbnails {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.gem-thumbnails img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border: 1px solid #ddd;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.gem-thumbnails img:hover {
  transform: scale(1.1);
}

.gem-info-section {
  flex: 1;
  min-width: 300px;
}

.gem-info-section h1 {
  font-size: 26px;
  margin-bottom: 10px;
}

.btn-primary {
  background: #0077cc;
  color: #fff;
  border: none;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  margin-bottom: 20px;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: #005fa3;
}

.gem-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.gem-table td {
  padding: 8px 12px;
  border-bottom: 1px solid #eee;
}

.gem-table td:first-child {
  font-weight: bold;
  width: 160px;
  color: #555;
}

.gem-share {
  margin-top: 15px;
}

.gem-share a {
  color: #0077cc;
  text-decoration: none;
  margin: 0 5px;
}

.gem-share a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .gem-container {
    flex-direction: column;
    align-items: center;
  }

  .gem-info-section {
    text-align: center;
  }

  .gem-table td:first-child {
    width: auto;
  }
}