body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: #f8fafc;
  color: #0f172a;
  line-height: 1.6;
}

.promo img {
  max-width: 100%;
  border-radius: 0.75rem;
}


.logo {
  background-color: #1e3a8a;
  padding: 1rem 2rem;
  text-align: center;
}

.logo h4 {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}

.nav-container {
  background-color: white;
  border-bottom: 1px solid #e2e8f0;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  text-decoration: none;
  color: #475569;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.nav a:hover, .nav a.active {
  background-color: #1e3a8a;
  color: white;
}

.search-form {
  display: flex;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  overflow: hidden;
}

.search-form input {
  border: none;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  outline: none;
  flex: 1;
}

.search-form button {
  background-color: #14b8a6;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.home {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  color: white;
  text-align: center;
  padding: 5rem 2rem;
}

.home h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.home p {
  font-size: 1.1rem;
  opacity: 0.95;
}

.promo {
  padding: 2rem;
  background: white;
  margin: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.promo img {
  max-width: 100%;
  border-radius: 0.75rem;
}

.produk {
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.produk h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
  color: #1e293b;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.product-item {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid #f1f5f9;
}

.product-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-item img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 0.75rem;
  margin-bottom: 1rem;
}

.product-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1e293b;
}

.product-item p {
  font-size: 1.1rem;
  font-weight: 700;
  color: #14b8a6;
  margin-bottom: 1rem;
}

.btn-keranjang, .btn-beli {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 0.5rem;
}

.btn-keranjang {
  background-color: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

.btn-beli {
  background-color: #14b8a6;
  color: white;
}

.btn-keranjang:hover {
  background-color: #d1fae5;
}

.btn-beli:hover {
  background-color: #0d9488;
}

.keranjang-wrapper, .pembayaran, .riwayat {
  max-width: 800px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.keranjang-wrapper h2, .pembayaran h4, .riwayat h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #1e293b;
  text-align: center;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  background: white;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #f1f5f9;
}

th {
  background-color: #f8fafc;
  font-weight: 600;
}

.empty-cart {
  text-align: center;
  padding: 3rem;
  background: white;
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.empty-cart a {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: #14b8a6;
  color: white;
  text-decoration: none;
  border-radius: 0.5rem;
  font-weight: 600;
}

.payment-form {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.payment-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #374151;
}

.payment-form input, .payment-form select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  font-size: 1rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.2s;
}

.payment-form input:focus, .payment-form select:focus {
  outline: none;
  border-color: #14b8a6;
}

.payment-form button {
  width: 100%;
  padding: 1rem;
  background: #14b8a6;
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
}

.payment-form button:hover {
  background: #0d9488;
}

.history-list {
  background: white;
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.history-item {
  padding: 1.5rem;
  border-bottom: 1px solid #f1f5f9;
}

.history-item:last-child {
  border-bottom: none;
}

.total-display {
  font-size: 1.3rem;
  font-weight: 700;
  color: #14b8a6;
  text-align: right;
  padding: 1rem;
  background: #ecfdf5;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

.btn-secondary {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
  display: inline-block;
  margin-right: 1rem;
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-danger {
  background: #fee2e2;
  color: #dc2626;
  border: 1px solid #fecaca;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn-danger:hover {
  background: #fca5a5;
}

@media (max-width: 768px) {
  .nav a {
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
  }
  
  .product-list {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
  }
  
  .home h1 {
    font-size: 2rem;
  }
  
  .promo {
    margin: 1rem;
    padding: 1.5rem;
  }

  .nav-container {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
}