* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #111827, #1e293b);
  color: #fff;
  min-height: 100vh;
}

.cart-page {
  min-height: 100vh;
  padding: 20px;
}

.cart-header {
  max-width: 1200px;
  margin: 0 auto 24px;
}

.cart-header h1 {
  margin: 10px 0 8px;
  font-size: 32px;
}

.cart-header p {
  margin: 0;
  color: #d1d5db;
}

.back-link {
  color: #facc15;
  text-decoration: none;
  font-weight: 700;
}

.cart-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.cart-items {
  display: grid;
  gap: 18px;
}

.cart-card {
  display: flex;
  gap: 18px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.cart-card img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 16px;
  background: #fff;
}

.cart-info {
  flex: 1;
}

.cart-info h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 24px;
}

.cart-info p {
  margin: 8px 0;
  color: #e5e7eb;
}

.cart-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.cart-actions button,
.checkout-btn,
.clear-btn,
.shop-btn {
  padding: 12px 16px;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.cart-actions button {
  background: #facc15;
  color: #111827;
}

.cart-summary {
  position: sticky;
  top: 20px;
  height: fit-content;
}

.summary-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.summary-card h2 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 26px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #e5e7eb;
}

.checkout-btn {
  width: 100%;
  margin-top: 18px;
  background: #22c55e;
  color: #08130b;
}

.clear-btn {
  width: 100%;
  margin-top: 12px;
  background: #ef4444;
  color: white;
}

.empty-cart {
  text-align: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  padding: 40px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.shop-btn {
  margin-top: 14px;
  background: #facc15;
  color: #111827;
}

@media (max-width: 900px) {
  .cart-container {
    grid-template-columns: 1fr;
  }

  .cart-summary {
    position: static;
  }
}

@media (max-width: 700px) {
  .cart-page {
    padding: 14px;
  }

  .cart-header h1 {
    font-size: 26px;
  }

  .cart-card {
    flex-direction: column;
  }

  .cart-card img {
    width: 100%;
    height: 220px;
  }

  .cart-info h3 {
    font-size: 22px;
  }

  .cart-actions {
    flex-direction: column;
  }

  .cart-actions button {
    width: 100%;
  }
}