/* ==========================================================================
   MAUDY KOMPUTER - POS / CASHIER INTERFACE STYLES
   ========================================================================== */

.pos-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 1.25rem;
  height: calc(100vh - var(--header-height) - 3rem);
  min-height: 580px;
}

/* Left Panel: Catalog & Search */
.pos-catalog-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pos-topbar {
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pos-search-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.pos-search-input-wrapper {
  position: relative;
  flex: 1;
}

.pos-search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-size: 0.95rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
}

.pos-search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.pos-search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.pos-search-shortcut {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
}

.pos-scan-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.1rem;
}

/* Category Filter Chips */
.pos-categories {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.category-chip {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.category-chip:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.category-chip.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 2px 8px var(--primary-glow);
}

/* Product Grid */
.pos-product-grid {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1rem;
  align-content: start;
}

.pos-product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  user-select: none;
}

.pos-product-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pos-product-card:active {
  transform: scale(0.98);
}

.pos-product-card.out-of-stock {
  opacity: 0.5;
  pointer-events: none;
}

.product-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.product-code-tag {
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

.product-stock-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.product-stock-tag.in-stock {
  background: var(--success-light);
  color: var(--success);
}

.product-stock-tag.low-stock {
  background: var(--warning-light);
  color: var(--warning);
}

.product-stock-tag.empty {
  background: var(--danger-light);
  color: var(--danger);
}

.product-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.3rem;
}

.product-price-box {
  margin-top: auto;
  display: flex;
  flex-direction: column;
}

.product-price-retail {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--primary);
}

.product-price-wholesale {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Right Panel: Cart & Checkout */
.pos-cart-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.pos-cart-header {
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-title-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.cart-items-count {
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.cart-actions {
  display: flex;
  gap: 0.4rem;
}

/* Cart Items List */
.pos-cart-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cart-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.cart-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.cart-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.cart-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
}

.cart-item-remove {
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem;
  border-radius: 4px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
}

.cart-item-remove:hover {
  color: var(--danger);
  background: var(--danger-light);
}

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

.cart-qty-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.qty-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-btn:hover {
  background: var(--bg-card-hover);
  color: var(--primary);
}

.qty-input {
  width: 40px;
  text-align: center;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.85rem;
  font-family: 'JetBrains Mono', monospace;
  outline: none;
}

.cart-item-prices {
  text-align: right;
}

.cart-item-unit {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.cart-item-total {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cart-wholesale-badge {
  font-size: 0.68rem;
  color: var(--success);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

/* Cart Summary & Checkout Footer */
.pos-cart-footer {
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cart-summary-row.total-row {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-color);
}

.cart-total-amount {
  color: var(--primary);
  font-size: 1.35rem;
  font-family: 'JetBrains Mono', monospace;
}

.cart-checkout-btn {
  width: 100%;
  padding: 0.95rem;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

/* Payment Modal Specifics */
.payment-methods-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.payment-method-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.payment-method-card:hover {
  border-color: var(--primary);
}

.payment-method-card.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}

.payment-method-icon {
  width: 24px;
  height: 24px;
}

.payment-method-title {
  font-size: 0.78rem;
  font-weight: 700;
}

.quick-cash-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.quick-cash-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-cash-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.change-display-box {
  padding: 0.85rem 1rem;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
}

.change-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.change-amount {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--success);
  font-family: 'JetBrains Mono', monospace;
}

.change-amount.negative {
  color: var(--danger);
}

/* Thermal Receipt Preview Paper */
.receipt-paper-wrapper {
  background: #E2E8F0;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: center;
  overflow-y: auto;
  max-height: 480px;
}

.receipt-paper {
  background: #FFFFFF;
  color: #000000;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.4;
  padding: 18px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  width: 320px;
  margin: 0 auto;
}

.receipt-paper.receipt-58mm {
  width: 240px;
  font-size: 11px;
  padding: 12px;
}

.receipt-header {
  text-align: center;
  margin-bottom: 12px;
}

.receipt-store-title {
  font-weight: 800;
  font-size: 15px;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.receipt-divider {
  border-top: 1px dashed #475569;
  margin: 8px 0;
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  margin: 3px 0;
}

.receipt-footer {
  text-align: center;
  margin-top: 14px;
  font-size: 11px;
}

/* Responsive POS */
@media (max-width: 992px) {
  .pos-layout {
    grid-template-columns: 1fr;
    height: auto;
  }
  .pos-cart-panel {
    max-height: 500px;
  }
}