* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Arial", sans-serif;
  background: #f5f5f5;
}

/* Navigation */
nav {
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
  font-size: 2rem;
  font-weight: bold;
  color: white;
  letter-spacing: 3px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover {
  color: #ff6b35;
}

.cart-icon,
.user-icon {
  position: relative;
  cursor: pointer;
  font-size: 1.2rem;
  color: white;
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: #ff6b35;
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

/* Hero Section */
.hero {
  position: relative;
  height: 500px;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 5%;
  max-width: 50%;
}

.hero h1 {
  font-size: 4rem;
  color: white;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero h1 span {
  color: #ff6b35;
}

.hero-image {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 450px;
  background: #ddd;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 1.2rem;
}

.diagonal-stripe {
  position: absolute;
  top: 0;
  right: 30%;
  width: 300px;
  height: 100%;
  background: #ff3b3b;
  transform: skewX(-15deg);
  z-index: 1;
}

.shop-btn {
  background: #ff6b35;
  color: white;
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 1rem;
}

.shop-btn:hover {
  background: #ff5722;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
}

/* Categories */
.categories {
  padding: 4rem 5%;
  background: white;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #1e3c72;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.category-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.category-image {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  font-weight: bold;
}

.category-card:nth-child(1) .category-image {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.category-card:nth-child(2) .category-image {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.category-card:nth-child(3) .category-image {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.category-card:nth-child(4) .category-image {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.category-info {
  padding: 1.5rem;
  text-align: center;
}

.category-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #1e3c72;
}

.category-info p {
  color: #666;
}

/* Product Pages */
.product-page {
  padding: 3rem 5%;
  min-height: 60vh;
}

.back-btn {
  background: #1e3c72;
  color: white;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  margin-bottom: 2rem;
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
}

.back-btn:hover {
  background: #2a5298;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.product-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.product-image {
  width: 100%;
  height: 320px;
  background: linear-gradient(135deg, #e0e0e0 0%, #f5f5f5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 1rem;
  padding: 1rem;
  text-align: center;
}

.product-details {
  padding: 1.5rem;
}

.product-name {
  font-size: 1.2rem;
  font-weight: bold;
  color: #1e3c72;
  margin-bottom: 0.5rem;
}

.product-description {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.product-price {
  font-size: 1.5rem;
  color: #ff6b35;
  font-weight: bold;
  margin-bottom: 1rem;
}

.add-to-cart-btn {
  width: 100%;
  background: #1e3c72;
  color: white;
  padding: 0.8rem;
  border: none;
  border-radius: 25px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
}

.add-to-cart-btn:hover {
  background: #ff6b35;
}

/* Cart Page */
.cart-page {
  padding: 3rem 5%;
  min-height: 60vh;
}

.cart-items {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  margin-bottom: 2rem;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid #eee;
}

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

.cart-item-info h4 {
  color: #1e3c72;
  margin-bottom: 0.5rem;
}

.cart-item-quantity {
  color: #666;
  font-size: 0.9rem;
}

.cart-item-price {
  font-size: 1.3rem;
  color: #ff6b35;
  font-weight: bold;
}

.cart-total {
  background: #1e3c72;
  color: white;
  padding: 2rem;
  border-radius: 15px;
  text-align: right;
}

.cart-total h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.checkout-btn {
  background: #ff6b35;
  color: white;
  padding: 1rem 3rem;
  border: none;
  border-radius: 25px;
  font-size: 1.2rem;
  cursor: pointer;
  margin-top: 1rem;
}

.checkout-btn:hover {
  background: #ff5722;
}

.empty-cart {
  text-align: center;
  padding: 4rem 2rem;
  color: #999;
}

.empty-cart h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

/* Login & Contact Pages */
.form-page {
  padding: 3rem 5%;
  min-height: 60vh;
}

.form-container {
  max-width: 500px;
  margin: 2rem auto;
  background: white;
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: #1e3c72;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border 0.3s;
  font-family: Arial, sans-serif;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #1e3c72;
}

.submit-btn {
  width: 100%;
  background: #1e3c72;
  color: white;
  padding: 1rem;
  border: none;
  border-radius: 25px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s;
}

.submit-btn:hover {
  background: #ff6b35;
}

.form-footer {
  text-align: center;
  margin-top: 1rem;
  color: #666;
}

.form-footer a {
  color: #1e3c72;
  text-decoration: none;
  font-weight: bold;
}

.form-footer a:hover {
  color: #ff6b35;
}

/* Admin Page */
.admin-page {
  padding: 3rem 5%;
}

.admin-section {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  margin-bottom: 2rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.admin-section h3 {
  color: #1e3c72;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 2rem;
  border-radius: 10px;
  color: white;
  text-align: center;
}

.stat-card:nth-child(2) {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-card:nth-child(3) {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stat-card h4 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.stat-card p {
  font-size: 1rem;
  opacity: 0.9;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

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

th {
  background: #1e3c72;
  color: white;
  font-weight: 600;
}

tr:hover {
  background: #f9f9f9;
}

.delete-btn {
  background: #ff3b3b;
  color: white;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.9rem;
}

.delete-btn:hover {
  background: #e63232;
}

/* Success Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
}

.success-modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  text-align: center;
  max-width: 400px;
}

.success-icon {
  font-size: 4rem;
  color: #4caf50;
  margin-bottom: 1rem;
}

.success-modal h2 {
  color: #1e3c72;
  margin-bottom: 1rem;
}

.success-modal p {
  color: #666;
  margin-bottom: 2rem;
}

footer {
  background: #1e3c72;
  color: white;
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    gap: 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-content {
    max-width: 60%;
  }

  .hero-image {
    width: 200px;
    height: 250px;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}