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

html, body {
  overflow: auto !important;
  height: auto !important;
  position: static !important;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: #ffffff;
  color: #111827;
  line-height: 1.5;
}

/* ─── Layout ─────────────────────────────────────────────── */

.app {
  min-height: 100vh;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Header ─────────────────────────────────────────────── */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.brand-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 3px;
  color: #111827;
  text-transform: uppercase;
  text-decoration: none;
}

.cart-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1.5px solid #111827;
  border-radius: 100px;
  padding: 8px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #111827;
  transition: background 0.2s, color 0.2s;
}

.cart-btn:hover {
  background-color: #111827;
  color: #ffffff;
}

.cart-badge {
  background-color: #111827;
  color: #ffffff;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  transition: background 0.2s;
}

.cart-btn:hover .cart-badge {
  background-color: #ffffff;
  color: #111827;
}

/* ─── Storefront ─────────────────────────────────────────── */

.storefront {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.storefront-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}

@media (max-width: 960px) {
  .storefront-hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ─── Product Gallery ────────────────────────────────────── */

.gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gallery-main {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 28px;
  overflow: hidden;
  background-color: #f3f4f6;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-thumbs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.gallery-thumbs::-webkit-scrollbar {
  display: none;
}

.gallery-thumb {
  width: 68px;
  height: 68px;
  border-radius: 14px;
  overflow: hidden;
  background-color: #f3f4f6;
  cursor: pointer;
  border: 2px solid transparent;
  flex-shrink: 0;
  transition: border-color 0.15s;
}

.gallery-thumb.active {
  border-color: #111827;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ─── Product Info ───────────────────────────────────────── */

.product-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.product-name {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  color: #111827;
}

.product-price {
  font-size: 26px;
  font-weight: 700;
  color: #111827;
}

.product-description {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.7;
}

/* ─── Quantity Selector ──────────────────────────────────── */

.quantity-selector {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1.5px solid #e5e7eb;
  border-radius: 100px;
  width: fit-content;
  overflow: hidden;
}

.qty-btn {
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  font-weight: 400;
  color: #111827;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.qty-btn:hover {
  background-color: #f3f4f6;
}

.qty-value {
  width: 48px;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  border-left: 1.5px solid #e5e7eb;
  border-right: 1.5px solid #e5e7eb;
  line-height: 40px;
}

/* ─── Buttons ────────────────────────────────────────────── */

.btn-primary {
  background-color: #111827;
  color: #ffffff;
  border: none;
  border-radius: 100px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  width: 100%;
}

.btn-primary:hover {
  background-color: #000000;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background-color: transparent;
  color: #111827;
  border: 1.5px solid #111827;
  border-radius: 100px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  width: 100%;
}

.btn-secondary:hover {
  background-color: #111827;
  color: #ffffff;
}

.btn-ghost {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  color: #6b7280;
  font-weight: 500;
  padding: 8px 0;
  text-decoration: underline;
  transition: color 0.15s;
}

.btn-ghost:hover {
  color: #111827;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ─── Product Selector ───────────────────────────────────── */

.product-selector-section {
  margin-bottom: 48px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #111827;
}

.product-selector-list {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.product-selector-list::-webkit-scrollbar {
  display: none;
}

.product-selector-card {
  flex-shrink: 0;
  width: 200px;
  border: 2px solid #e5e7eb;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
  background: #ffffff;
}

.product-selector-card:hover {
  transform: translateY(-2px);
}

.product-selector-card.selected {
  border-color: #111827;
}

.product-selector-card img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  display: block;
  background-color: #f3f4f6;
}

.product-selector-info {
  padding: 10px 12px;
}

.product-selector-name {
  font-size: 13px;
  font-weight: 600;
  color: #111827;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-selector-price {
  font-size: 13px;
  color: #6b7280;
  margin-top: 2px;
}

/* ─── Feature Cards ──────────────────────────────────────── */

.feature-cards-section {
  margin-bottom: 48px;
}

.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 960px) {
  .feature-cards-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  border: 1.5px solid #e5e7eb;
  border-radius: 24px;
  padding: 24px;
}

.feature-card-title {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 8px;
}

.feature-card-desc {
  font-size: 14px;
  color: #6b7280;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ─── Reviews ────────────────────────────────────────────── */

.reviews-section {
  margin-bottom: 48px;
}

.reviews-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.reviews-summary {
  display: flex;
  align-items: center;
  gap: 10px;
}

.reviews-avg {
  font-size: 36px;
  font-weight: 800;
  color: #111827;
}

.reviews-count {
  font-size: 14px;
  color: #6b7280;
}

.stars {
  display: flex;
  gap: 2px;
  color: #f59e0b;
  font-size: 18px;
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.review-card {
  border: 1.5px solid #e5e7eb;
  border-radius: 20px;
  padding: 20px;
}

.review-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.review-author {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
}

.review-date {
  font-size: 13px;
  color: #9ca3af;
}

.review-text {
  font-size: 14px;
  color: #374151;
  line-height: 1.6;
}

.reviews-empty {
  text-align: center;
  padding: 40px;
  color: #9ca3af;
  font-size: 15px;
}

/* ─── Modal ──────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

@media (max-width: 960px) {
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }
}

.modal-shell {
  background: #ffffff;
  border-radius: 32px;
  padding: 32px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.16);
}

@media (max-width: 960px) {
  .modal-shell {
    border-radius: 32px 32px 0 0;
    max-width: 100%;
    max-height: 92vh;
    padding: 24px 20px;
  }
}

.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
}

.modal-close {
  background: #f3f4f6;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
}

.modal-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

/* ─── Cart Sheet ─────────────────────────────────────────── */

.cart-item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid #f3f4f6;
}

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

.cart-item-img {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  object-fit: cover;
  background-color: #f3f4f6;
  flex-shrink: 0;
}

.cart-item-details {
  flex: 1;
  min-width: 0;
}

.cart-item-name {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 4px;
}

.cart-item-price {
  font-size: 14px;
  color: #6b7280;
  margin-bottom: 10px;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cart-qty-btn {
  width: 28px;
  height: 28px;
  border: 1.5px solid #e5e7eb;
  border-radius: 50%;
  background: none;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111827;
  transition: background 0.15s;
}

.cart-qty-btn:hover {
  background-color: #f3f4f6;
}

.cart-qty-value {
  font-size: 15px;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.cart-remove-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #ef4444;
  font-size: 13px;
  font-weight: 500;
  padding: 4px;
}

.cart-subtotal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-top: 2px solid #111827;
  margin-top: 8px;
}

.cart-subtotal-label {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
}

.cart-subtotal-value {
  font-size: 20px;
  font-weight: 800;
  color: #111827;
}

.cart-empty {
  text-align: center;
  padding: 48px 0;
  color: #9ca3af;
  font-size: 15px;
}

/* ─── Order Form ─────────────────────────────────────────── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
}

.form-input {
  border: 1.5px solid #e5e7eb;
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 15px;
  color: #111827;
  outline: none;
  transition: border-color 0.15s;
  font-family: inherit;
  background: #ffffff;
}

.form-input:focus {
  border-color: #111827;
}

.form-input.error {
  border-color: #ef4444;
}

.form-error {
  font-size: 12px;
  color: #ef4444;
}

.order-summary {
  background-color: #f9fafb;
  border-radius: 20px;
  padding: 16px;
  margin-bottom: 20px;
}

.order-summary-title {
  font-size: 14px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 12px;
}

.order-summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: #374151;
  margin-bottom: 6px;
}

.order-summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 700;
  color: #111827;
  padding-top: 10px;
  margin-top: 6px;
  border-top: 1px solid #e5e7eb;
}

/* ─── Review Form ────────────────────────────────────────── */

.star-selector {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.star-selector button {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  transition: transform 0.1s;
  padding: 0;
  line-height: 1;
}

.star-selector button:hover {
  transform: scale(1.2);
}

.star-filled {
  color: #f59e0b;
}

.star-empty {
  color: #d1d5db;
}

/* ─── Loading / States ───────────────────────────────────── */

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  flex-direction: column;
  gap: 16px;
  color: #6b7280;
  font-size: 15px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid #e5e7eb;
  border-top-color: #111827;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.success-state {
  text-align: center;
  padding: 40px 20px;
}

.success-icon {
  font-size: 56px;
  margin-bottom: 16px;
}

.success-title {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 8px;
}

.success-subtitle {
  font-size: 15px;
  color: #6b7280;
  margin-bottom: 28px;
}

/* ─── Divider ────────────────────────────────────────────── */

.divider {
  height: 1px;
  background-color: #e5e7eb;
  margin: 16px 0;
}

/* ─── No product placeholder ─────────────────────────────── */

.no-product {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: #9ca3af;
  font-size: 15px;
}