/* VietIndus Shop Styles */
/* Color Variables */
:root {
  --vi-primary: #2563eb;
  --vi-primary-dark: #1d4ed8;
  --vi-primary-light: #dbeafe;
  --vi-secondary: #f59e0b;
  --vi-success: #10b981;
  --vi-danger: #ef4444;
  --vi-warning: #f59e0b;
  --vi-gray-50: #f8fafc;
  --vi-gray-100: #f1f5f9;
  --vi-gray-200: #e2e8f0;
  --vi-gray-300: #cbd5e1;
  --vi-gray-400: #94a3b8;
  --vi-gray-500: #64748b;
  --vi-gray-600: #475569;
  --vi-gray-700: #334155;
  --vi-gray-800: #1e293b;
  --vi-gray-900: #0f172a;
  --vi-radius: 12px;
  --vi-radius-sm: 8px;
  --vi-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --vi-shadow-lg: 0 10px 30px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.05);
  --vi-transition: 0.2s ease;
}

/* ====== PRODUCT GRID ====== */
.vi-product-grid {
  display: grid;
  grid-template-columns: repeat(var(--vi-cols, 4), 1fr);
  gap: 24px;
  margin: 24px 0;
}

.vi-product-card {
  background: #fff;
  border-radius: var(--vi-radius);
  overflow: hidden;
  box-shadow: var(--vi-shadow);
  transition: transform var(--vi-transition), box-shadow var(--vi-transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.vi-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--vi-shadow-lg);
}

.vi-product-card-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--vi-gray-100);
}

.vi-product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.vi-product-card:hover .vi-product-card-image img {
  transform: scale(1.05);
}

.vi-product-no-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--vi-gray-100);
}

.vi-badge {
  position: absolute;
  top: 10px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  z-index: 2;
}

.vi-badge-sale {
  left: 10px;
  background: var(--vi-danger);
  color: #fff;
}

.vi-badge-featured {
  right: 10px;
  background: var(--vi-secondary);
  color: #fff;
}

.vi-product-out-of-stock {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  z-index: 1;
}

.vi-product-card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vi-product-cats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.vi-product-cats a {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--vi-primary);
  text-decoration: none;
  font-weight: 600;
}

.vi-product-cats a:hover {
  text-decoration: underline;
}

.vi-product-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
}

.vi-product-title a {
  color: var(--vi-gray-900);
  text-decoration: none;
  transition: color var(--vi-transition);
}

.vi-product-title a:hover {
  color: var(--vi-primary);
}

.vi-product-price {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.vi-sale-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--vi-danger);
}

.vi-regular-price {
  font-size: 14px;
  color: var(--vi-gray-400);
  text-decoration: line-through;
}

.vi-contact-price {
  font-size: 14px;
  color: var(--vi-gray-500);
  font-style: italic;
}

/* ====== BUTTONS ====== */
.vi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--vi-radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--vi-transition);
  text-decoration: none;
  line-height: 1.4;
}

.vi-btn-primary {
  background: var(--vi-primary);
  color: #fff;
  border-color: var(--vi-primary);
}

.vi-btn-primary:hover {
  background: var(--vi-primary-dark);
  border-color: var(--vi-primary-dark);
  color: #fff;
}

.vi-btn-outline {
  background: transparent;
  color: var(--vi-gray-700);
  border-color: var(--vi-gray-300);
}

.vi-btn-outline:hover {
  border-color: var(--vi-primary);
  color: var(--vi-primary);
}

.vi-btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.vi-btn-large {
  padding: 14px 28px;
  font-size: 16px;
}

.vi-btn-block {
  width: 100%;
}

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

.vi-add-to-cart {
  margin-top: auto;
}

/* ====== CATEGORY GRID ====== */
.vi-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.vi-category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 16px;
  background: #fff;
  border-radius: var(--vi-radius);
  box-shadow: var(--vi-shadow);
  text-decoration: none;
  transition: all var(--vi-transition);
  border: 2px solid transparent;
}

.vi-category-card:hover {
  border-color: var(--vi-primary);
  transform: translateY(-2px);
  box-shadow: var(--vi-shadow-lg);
}

.vi-category-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--vi-primary-light);
  border-radius: 50%;
  color: var(--vi-primary);
}

.vi-category-card h3 {
  margin: 0;
  font-size: 15px;
  color: var(--vi-gray-800);
  text-align: center;
}

.vi-category-count {
  font-size: 13px;
  color: var(--vi-gray-400);
}

/* ====== MINI CART ====== */
.vi-mini-cart {
  min-width: 320px;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--vi-radius);
  box-shadow: var(--vi-shadow-lg);
}

.vi-mini-cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--vi-gray-200);
}

.vi-mini-cart-title {
  font-weight: 700;
  font-size: 16px;
}

.vi-mini-cart-count {
  font-size: 13px;
  color: var(--vi-gray-500);
}

.vi-mini-cart-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--vi-gray-400);
}

.vi-mini-cart-empty p {
  margin: 12px 0 0;
  font-size: 14px;
}

.vi-mini-cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.vi-mini-cart-item {
  display: flex;
  gap: 12px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--vi-gray-100);
  position: relative;
}

.vi-mini-cart-item img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.vi-mini-cart-item-info {
  flex: 1;
  min-width: 0;
}

.vi-mini-cart-item-info a {
  font-size: 14px;
  font-weight: 600;
  color: var(--vi-gray-800);
  text-decoration: none;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vi-mini-cart-item-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--vi-danger);
  display: block;
  margin: 4px 0;
}

.vi-mini-cart-item-qty {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

.vi-mini-cart-remove {
  position: absolute;
  top: 8px;
  right: 4px;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--vi-gray-400);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.vi-mini-cart-remove:hover {
  color: var(--vi-danger);
}

.vi-mini-cart-footer {
  padding: 16px;
  border-top: 1px solid var(--vi-gray-200);
}

.vi-mini-cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 15px;
}

.vi-mini-cart-total strong {
  font-size: 18px;
  color: var(--vi-danger);
}

/* ====== CART PAGE ====== */
.vi-cart-page {
  max-width: 800px;
  margin: 0 auto;
}

.vi-cart-page-title {
  font-size: 28px;
  margin-bottom: 24px;
}

.vi-cart-empty {
  text-align: center;
  padding: 60px 20px;
}

.vi-cart-empty svg {
  margin-bottom: 16px;
}

.vi-cart-empty p {
  font-size: 16px;
  color: var(--vi-gray-500);
  margin-bottom: 20px;
}

.vi-cart-table {
  border: 1px solid var(--vi-gray-200);
  border-radius: var(--vi-radius);
  overflow: hidden;
}

.vi-cart-header {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr 40px;
  gap: 12px;
  padding: 14px 16px;
  background: var(--vi-gray-50);
  font-size: 13px;
  font-weight: 600;
  color: var(--vi-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.vi-cart-row {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr 40px;
  gap: 12px;
  padding: 16px;
  align-items: center;
  border-top: 1px solid var(--vi-gray-100);
}

.vi-cart-col-product {
  display: flex;
  align-items: center;
  gap: 12px;
}

.vi-cart-col-product img {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
}

.vi-cart-col-product a {
  color: var(--vi-gray-800);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.vi-cart-col-price,
.vi-cart-col-total {
  font-size: 14px;
  font-weight: 600;
}

.vi-qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--vi-gray-300);
  border-radius: 6px;
  overflow: hidden;
}

.vi-qty-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--vi-gray-50);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vi-gray-600);
  transition: background var(--vi-transition);
}

.vi-qty-btn:hover {
  background: var(--vi-gray-200);
}

.vi-qty-input {
  width: 40px;
  height: 32px;
  border: none;
  border-left: 1px solid var(--vi-gray-300);
  border-right: 1px solid var(--vi-gray-300);
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  -moz-appearance: textfield;
}

.vi-qty-input::-webkit-outer-spin-button,
.vi-qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.vi-cart-remove-btn {
  background: none;
  border: none;
  color: var(--vi-gray-400);
  cursor: pointer;
  padding: 4px;
  transition: color var(--vi-transition);
}

.vi-cart-remove-btn:hover {
  color: var(--vi-danger);
}

.vi-cart-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.vi-cart-total {
  font-size: 16px;
}

.vi-cart-total strong {
  font-size: 24px;
  color: var(--vi-danger);
  margin-left: 8px;
}

.vi-cart-buttons {
  display: flex;
  gap: 12px;
}

/* ====== CHECKOUT ====== */
.vi-checkout-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

.vi-form-row {
  margin-bottom: 16px;
}

.vi-form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.vi-form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--vi-gray-700);
}

.vi-form-group input,
.vi-form-group textarea,
.vi-form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--vi-gray-200);
  border-radius: var(--vi-radius-sm);
  font-size: 15px;
  transition: border-color var(--vi-transition);
  box-sizing: border-box;
}

.vi-form-group input:focus,
.vi-form-group textarea:focus {
  outline: none;
  border-color: var(--vi-primary);
}

.vi-payment-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.vi-payment-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 2px solid var(--vi-gray-200);
  border-radius: var(--vi-radius-sm);
  cursor: pointer;
  transition: border-color var(--vi-transition);
}

.vi-payment-option:has(input:checked) {
  border-color: var(--vi-primary);
  background: var(--vi-primary-light);
}

.vi-payment-option input[type="radio"] {
  margin-top: 3px;
}

.vi-payment-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.vi-payment-label strong {
  display: block;
  font-size: 14px;
}

.vi-payment-label small {
  display: block;
  font-size: 12px;
  color: var(--vi-gray-500);
  margin-top: 2px;
}

/* Checkout Summary */
.vi-checkout-summary {
  background: var(--vi-gray-50);
  border-radius: var(--vi-radius);
  padding: 20px;
  position: sticky;
  top: 20px;
}

.vi-checkout-summary h2 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--vi-gray-200);
}

.vi-checkout-item {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--vi-gray-200);
  align-items: center;
}

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

.vi-checkout-item img {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 6px;
}

.vi-checkout-item-info {
  flex: 1;
}

.vi-checkout-item-info span {
  font-size: 14px;
  font-weight: 500;
  display: block;
}

.vi-checkout-item-info small {
  font-size: 12px;
  color: var(--vi-gray-400);
}

.vi-checkout-item-price {
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

.vi-checkout-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  font-size: 16px;
}

.vi-checkout-total strong {
  font-size: 22px;
  color: var(--vi-danger);
}

#vi-checkout-message {
  margin-top: 16px;
}

#vi-checkout-message .success {
  padding: 16px 20px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--vi-radius-sm);
  color: #065f46;
  font-weight: 600;
  text-align: center;
}

#vi-checkout-message .error {
  padding: 16px 20px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--vi-radius-sm);
  color: #991b1b;
  font-weight: 500;
  text-align: center;
}

/* ====== ORDER CONFIRMATION ====== */
.vi-order-confirm {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 60px 20px;
}

.vi-order-confirm-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: #ecfdf5;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vi-success);
}

.vi-order-confirm h1 {
  font-size: 28px;
  margin-bottom: 8px;
}

.vi-order-confirm p {
  font-size: 16px;
  color: var(--vi-gray-500);
  margin-bottom: 4px;
}

.vi-order-confirm .vi-order-code {
  font-size: 20px;
  font-weight: 700;
  color: var(--vi-primary);
  margin: 12px 0;
}

.vi-order-confirm-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

/* ====== CART BUTTON (Header) ====== */
.vi-cart-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: none;
  border: 2px solid var(--vi-gray-200);
  border-radius: var(--vi-radius-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--vi-gray-700);
  transition: all var(--vi-transition);
}

.vi-cart-button:hover {
  border-color: var(--vi-primary);
  color: var(--vi-primary);
}

.vi-cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--vi-danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vi-cart-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 100;
  margin-top: 8px;
  display: none;
}

.vi-cart-dropdown.active {
  display: block;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .vi-product-grid { grid-template-columns: repeat(3, 1fr); }
  .vi-checkout-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .vi-product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .vi-cart-header { display: none; }
  .vi-cart-row { grid-template-columns: 1fr; gap: 8px; }
  .vi-cart-col-product img { width: 50px; height: 50px; }
  .vi-form-row-2 { grid-template-columns: 1fr; }
  .vi-cart-actions { flex-direction: column; align-items: stretch; }
  .vi-cart-buttons { flex-direction: column; }
  .vi-category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .vi-product-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .vi-product-card-body { padding: 12px; }
  .vi-product-title { font-size: 13px; }
  .vi-sale-price { font-size: 15px; }
}