/* ==========================================================================
   ApexPOS - POS Terminal Styles
   ========================================================================== */

.pos-workspace {
  display: flex;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Left: Menu & Product Selection Grid (65%) */
.pos-menu-column {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-right: 1px solid var(--border-subtle);
  background-color: var(--bg-canvas);
  overflow: hidden;
}

/* Category Filter Rail */
.pos-top-controls {
  padding: 14px 18px 10px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pos-search-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pos-search-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.pos-search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  font-size: 1rem;
}

.pos-search-input {
  width: 100%;
  height: 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0 12px 0 36px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
}

.pos-search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
}

.category-filter-rail {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.category-chip {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--trans-fast);
}

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

.category-chip.active {
  background: #f4f4f5;
  color: #09090b;
  border-color: #ffffff;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* Product Cards Grid */
.pos-products-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  align-content: start;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  position: relative;
  transition: transform var(--trans-fast), border-color var(--trans-fast), box-shadow var(--trans-fast);
  min-height: 155px;
}

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

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

.product-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.product-category-tag {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: none;
  color: var(--text-muted);
  letter-spacing: normal;
}

.product-stock-pill {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-weight: 600;
}

.product-stock-pill.in-stock {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
}

.product-stock-pill.low-stock {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.product-stock-pill.out-of-stock {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-crimson);
}

.product-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 6px;
}

.product-desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.3;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  border-top: 1px solid var(--border-muted);
}

.product-price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-amber);
}

.product-add-badge {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: var(--bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
  border: 1px solid var(--border-subtle);
}

.product-card:hover .product-add-badge {
  background: var(--accent-amber);
  color: #000;
  border-color: var(--accent-amber);
}

/* Right Column: Sticky Cart & Bill Calculator (35%) */
.pos-cart-column {
  width: var(--cart-width);
  min-width: var(--cart-width);
  height: 100%;
  background-color: var(--bg-surface);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-subtle);
}

/* Order Header & Order Type Tabs */
.cart-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.cart-order-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.order-token-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent-amber);
  background: var(--accent-amber-glow);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.order-type-switch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--bg-canvas);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.order-type-btn {
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all var(--trans-fast);
}

.order-type-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Cart Line Items List */
.cart-items-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cart-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
  gap: 8px;
}

.cart-item-row {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--trans-fast);
}

.cart-item-row:hover {
  border-color: var(--border-focus);
}

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

.cart-item-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.cart-item-price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.cart-item-modifiers {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.modifier-pill {
  background: var(--bg-hover);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.cart-item-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.cart-qty-stepper {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-hover);
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-muted);
}

.stepper-btn {
  width: 24px;
  height: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--trans-fast);
}

.stepper-btn:hover {
  background: var(--bg-active);
  color: var(--accent-amber);
}

.stepper-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  min-width: 20px;
  text-align: center;
}

.cart-item-remove-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
}

.cart-item-remove-btn:hover {
  color: var(--accent-crimson);
}

/* Calculation & Summary Footer */
.cart-summary-box {
  padding: 14px 16px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.825rem;
  color: var(--text-secondary);
}

.calc-row.total-row {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  padding-top: 6px;
  border-top: 1px dashed var(--border-subtle);
}

.total-amount {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: #ffffff;
  font-weight: 600;
}

/* Large Tender Action Buttons */
.cart-action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 8px;
  padding: 12px 16px 16px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-muted);
}

.cart-btn {
  height: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-fast);
}

.cart-btn.void {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

.cart-btn.void:hover {
  background: var(--bg-hover);
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.4);
}

.cart-btn.hold {
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

.cart-btn.hold:hover {
  background: var(--bg-hover);
  color: #ffffff;
  border-color: var(--border-focus);
}

.cart-btn.pay {
  background: var(--text-primary);
  color: #09090b;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid #ffffff;
  box-shadow: var(--shadow-sm);
}

.cart-btn.pay:hover {
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}