:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --primary: #111827;
  --primary-hover: #000000;
  --accent: #16a34a;
  --accent-soft: #dcfce7;
  --danger: #dc2626;
  --shadow-sm: 0 4px 10px rgba(17, 24, 39, 0.05);
  --shadow-md: 0 10px 25px rgba(17, 24, 39, 0.08);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  padding: 24px;
  margin: 0;
  background: linear-gradient(180deg, #f9fafb 0%, #f3f4f6 100%);
  color: var(--text);
}

/* ------------------------------TOP BAR------------------------------ */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(229, 231, 235, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.shop-title {
  margin: 0;
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.shop-tagline {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* CART ICON BUTTON */
.cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.cart-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--border-strong);
}

.cart-icon-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cart-link svg,
.cart-icon {
  width: 24px;
  height: 24px;
  color: var(--text);
}

.cart-badge {
  position: absolute;
  top: -9px;
  right: -11px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: #ef4444;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  border: 2px solid #fff;
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.35);
}

/* BACK BUTTON */
.back-link {
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--border);
  padding: 12px 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.back-link:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.back-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* PAGE HEADER */
.page-header {
  margin-bottom: 22px;
}

.page-header h2 {
  margin: 0 0 8px;
  font-size: 30px;
  letter-spacing: -0.02em;
}

.page-header p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

/* ------------------------------SHOP CONTROLS------------------------------ */
.shop-controls {
  display: flex;
  gap: 15px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.shop-controls input,
#checkout-form input,
#checkout-form textarea {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: var(--transition);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.shop-controls input {
  min-width: 220px;
}

.shop-controls input:focus,
#checkout-form input:focus,
#checkout-form textarea:focus {
  border-color: #9ca3af;
  box-shadow: 0 0 0 4px rgba(17, 24, 39, 0.08);
}

/* MODERN SELECTS */
.shop-controls select,
.summary-row select,
#checkout-form select {
  padding: 12px 58px 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  background-color: #fff;
  color: var(--text);
  outline: none;
  transition: var(--transition);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='none' stroke='%23111827' stroke-width='2' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 16px;
  cursor: pointer;
}

.shop-controls select {
  min-width: 220px;
}

.shop-controls select:focus,
.summary-row select:focus,
#checkout-form select:focus {
  border-color: #9ca3af;
  box-shadow: 0 0 0 4px rgba(17, 24, 39, 0.08);
}

/* ------------------------------SHOP PRODUCT GRID------------------------------ */
#product-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.product-card {
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

/* STOCK BADGES */
.stock-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  z-index: 5;
}

.in-stock {
  background: #dcfce7;
  color: #166534;
  box-shadow: 0 3px 8px rgba(0,0,0,0.08);
}

.limited-stock {
  background: #fef3c7;
  color: #92400e;
}

.out-of-stock {
  background: #fee2e2;
  color: #991b1b;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* PRODUCT LINKS */
.product-link,
.product-link-text {
  text-decoration: none;
  color: inherit;
}

.product-link {
  display: block;
  overflow: hidden;
  border-radius: 14px;
}

.product-link-text:hover {
  color: #374151;
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 14px;
  display: block;
  margin-bottom: 14px;
  transition: transform 0.4s ease;
  will-change: transform;
}

.product-card:hover .product-link img {
  transform: scale(1.08);
}

.product-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.25;
}

.product-card p {
  margin: 0 0 14px;
  color: rgba(101, 132, 123, 0.96);
  font-weight: 500;
}

/* ------------------------------PRODUCT DETAILS PAGE------------------------------ */
.product-details-page {
  margin-top: 20px;
}

.product-details-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.product-details-info button {
  width: 180px;
  padding: 14px;
  font-size: 15px;
}

.product-details-image-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-details-image {
  width: 100%;
  max-width: 420px;
  height: auto;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.product-details-image:hover {
  transform: scale(1.06);
}

.product-details-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.product-details-info h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.2;
}

.product-details-price {
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 18px;
  color: rgba(101, 132, 123, 0.96);
}

.product-details-description {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 24px;
}

/* RELATED PRODUCTS */
.related-products-section {
  margin-top: 40px;
}

.related-products-section h2 {
  margin: 0 0 18px;
  font-size: 28px;
  letter-spacing: -0.02em;
}

.related-products-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
}

.related-products-grid .product-card {
  min-width: 0;
}

.related-products-grid .product-link {
  display: block;
  overflow: hidden;
  border-radius: 14px;
}

.related-products-grid .product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  object-fit: cover;
  border-radius: 14px;
  display: block;
  margin-bottom: 14px;
  transition: transform 0.4s ease;
  will-change: transform;
}

.related-products-grid .product-card:hover .product-link img {
  transform: scale(1.08);
}

.related-products-grid .product-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.3;
}

.related-products-grid .product-card p {
  margin: 0 0 14px;
  color: var(--text);
  font-weight: 600;
}

.related-products-grid .product-card button {
  width: 100%;
}

/* ------------------------------BUTTONS------------------------------ */
button {
  padding: 12px 16px;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #170a0a;
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.add-to-cart-btn{
display:flex;
align-items:center;
justify-content:center;
gap:8px;
}

button:hover {
  background:  #e3041a;
  border-color:  #e3041a;
  transform: translateY(-1px);
}

.summary-actions button:last-child,
#checkout-form button,
button.primary-btn {
  background:#000000;
  color: #fff;
  border-color: var(--primary);
}

.summary-actions button:last-child:hover,
#checkout-form button:hover,
button.primary-btn:hover {
  background: #e3041a;
  border-color: #e3041a;
}

button.danger-btn {
  background: #fff;
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.2);
}

button.danger-btn:hover {
  background: #fef2f2;
  border-color: rgba(220, 38, 38, 0.35);
}

/* ------------------------------QTY BOX------------------------------ */
.qty-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
}

.qty-box button {
  width: 38px;
  height: 38px;
  font-size: 18px;
  font-weight: bold;
  padding: 0;
  border-radius: 999px;
  box-shadow: none;
}

.qty-box span {
  min-width: 24px;
  text-align: center;
  font-weight: 700;
  font-size: 15px;
}

/* ------------------------------CART PAGE LAYOUT------------------------------ */
.cart-layout {
  display: grid;
  grid-template-columns: 1.8fr 0.95fr;
  gap: 24px;
  align-items: start;
}

.cart-left {
  min-width: 0;
}

.cart-right {
  min-width: 280px;
}

.summary-box {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 20px;
}

.summary-box h3 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 16px;
}

.summary-row select {
  min-width: 200px;
}

.total-row {
  font-size: 18px;
  font-weight: 700;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 16px;
}

.total-row span:last-child {
  font-size: 20px;
}

.free-text {
  color: var(--accent);
  font-weight: 800;
}

/* CART ITEM CARD */
.cart-item-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
  transition: var(--transition);
}

.cart-item-row:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cart-image {
  width: 140px;
  height: 140px;
  min-width: 140px;
  max-width: 140px;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}

.cart-item-info h3 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.25;
}

.cart-price {
  color: var(--muted);
  font-weight: 500;
}

.cart-subtotal {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-actions button {
  white-space: nowrap;
}

/* ACTIONS */
.cart-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 22px;
}

.empty-cart {
  border: 1px dashed var(--border-strong);
  border-radius: 20px;
  padding: 36px;
  background: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  color: var(--muted);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

/* ------------------------------CHECKOUT------------------------------ */
.checkout-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 20px;
}

.checkout-form-box,
.order-summary-box {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
}

.checkout-form-box h2,
.order-summary-box h2 {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 24px;
}

#checkout-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#checkout-form label {
  font-weight: 700;
  font-size: 14px;
  color: var(--text);
}

#checkout-form textarea {
  min-height: 110px;
  resize: vertical;
}

.checkout-card {
  display: flex;
  gap: 15px;
  align-items: flex-start;
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.checkout-image {
  width: 90px;
  height: 90px;
  min-width: 90px;
  max-width: 90px;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 12px;
  flex-shrink: 0;
}

.checkout-details {
  flex: 1;
}

.checkout-details h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.checkout-details p {
  margin: 6px 0;
  color: var(--muted);
}

/* MODERN SMALL TAGS / BADGES */
.badge,
.free-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.free-badge {
  background: var(--accent-soft);
  color: #166534;
}

/* ++++++++++++++++++++++++++++++++TABLET++++++++++++++++++++++++++++++++ */
@media (max-width: 992px) {
  .cart-layout {
    grid-template-columns: 1fr;
  }

  .summary-box {
    position: static;
  }

  .checkout-container {
    grid-template-columns: 1fr;
  }

  .product-details-card {
    grid-template-columns: 1fr;
  }

  .related-products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ++++++++++++++++++++++++++++++++MOBILE++++++++++++++++++++++++++++++++ */
@media (max-width: 768px) {
  body {
    padding: 15px;
  }

  .top-bar {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    padding: 16px;
  }

  .brand {
    flex: 1;
    min-width: 0;
    align-items: center;
    gap: 12px;
  }

  .logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    flex-shrink: 0;
  }

  .brand-text {
    min-width: 0;
  }

  .shop-title {
    font-size: 22px;
    line-height: 1.15;
    margin: 0;
  }

  .shop-tagline {
    font-size: 13px;
    margin-top: 4px;
    line-height: 1.4;
  }

  .cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.cart-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--border-strong);
}

.cart-icon-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cart-link svg,
.cart-icon {
  width: 24px;
  height: 24px;
  color: var(--text);
}

.cart-badge {
  position: absolute;
  top: -9px;
  right: -11px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  background: #ef4444;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  border: 2px solid #fff;
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.35);
}

  .shop-controls {
    flex-direction: column;
    gap: 12px;
  }

  .shop-controls input,
  .shop-controls select {
    width: 100%;
    min-width: 100%;
  }

  .cart-item-row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .cart-image {
    width: 120px;
    height: 120px;
    min-width: 120px;
    max-width: 120px;
  }

  .cart-item-info h3 {
    font-size: 20px;
  }

  .summary-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .summary-row select {
    width: 100%;
    min-width: 100%;
  }

  .checkout-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .checkout-image {
    width: 90px;
    height: 90px;
    min-width: 90px;
    max-width: 90px;
  }

  .product-details-image {
    height: 300px;
  }

  .product-details-info h2 {
    font-size: 26px;
  }

  .product-details-price {
    font-size: 22px;
  }

  .related-products-grid {
    grid-template-columns: 1fr;
  }
}