body {
  background: #f8f9fa;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.navbar {
  background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%) !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
}

.product-card {
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.card-img-wrapper {
  height: 200px;
  overflow: hidden;
  position: relative;
  background: #e9ecef;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-img-placeholder {
  height: 100%;
  color: #adb5bd;
  font-size: 2rem;
}

.price {
  color: #2c3e50;
  font-weight: 600;
}

.card-title {
  font-weight: 600;
  font-size: 1rem;
}

.footer {
  background: #2c3e50;
  color: rgba(255,255,255,0.8);
}

.footer .text-muted {
  color: rgba(255,255,255,0.6) !important;
}

.card.text-bg-primary { background: linear-gradient(135deg, #667eea, #764ba2) !important; }
.card.text-bg-success { background: linear-gradient(135deg, #11998e, #38ef7d) !important; }
.card.text-bg-warning { background: linear-gradient(135deg, #f7971e, #ffd200) !important; }
.card.text-bg-info { background: linear-gradient(135deg, #36d1dc, #5b86e5) !important; }

.discount-notification {
  background: #28a745;
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  animation: flash 1.5s ease-in-out infinite;
}

@keyframes flash {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.btn-primary {
  background: #2c3e50;
  border-color: #2c3e50;
}

.btn-primary:hover {
  background: #1a252f;
  border-color: #1a252f;
}