// ========================================
// POS Modern Design - Clean & Minimalist
// Design inspired by: Stripe Dashboard, Zoho POS, Apple Design
// ========================================

// ========================================
// 1. DESIGN TOKENS (SCSS Variables)
// ========================================

// Color Palette
$pos-primary: #4c7cff !default;
$pos-primary-hover: #3d6ae6 !default;
$pos-primary-light: #e8eeff !default;

$pos-white: #ffffff !default;
$pos-gray-50: #fafafa !default;
$pos-gray-100: #f5f5f5 !default;
$pos-gray-200: #e5e5e5 !default;
$pos-gray-300: #d4d4d4 !default;
$pos-gray-400: #a3a3a3 !default;
$pos-gray-500: #737373 !default;
$pos-gray-600: #525252 !default;
$pos-gray-700: #404040 !default;
$pos-gray-800: #262626 !default;
$pos-gray-900: #171717 !default;

$pos-success: #10b981 !default;
$pos-success-light: #d1fae5 !default;
$pos-danger: #ef4444 !default;
$pos-danger-light: #fee2e2 !default;
$pos-warning: #f59e0b !default;
$pos-warning-light: #fef3c7 !default;
$pos-info: #3b82f6 !default;
$pos-info-light: #dbeafe !default;

// Typography
$pos-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif !default;
$pos-font-size-xs: 0.75rem !default;    // 12px
$pos-font-size-sm: 0.875rem !default;   // 14px
$pos-font-size-base: 1rem !default;     // 16px
$pos-font-size-lg: 1.125rem !default;   // 18px
$pos-font-size-xl: 1.25rem !default;    // 20px
$pos-font-size-2xl: 1.5rem !default;    // 24px
$pos-font-size-3xl: 1.875rem !default;  // 30px

// Spacing
$pos-space-1: 0.25rem !default;   // 4px
$pos-space-2: 0.5rem !default;    // 8px
$pos-space-3: 0.75rem !default;   // 12px
$pos-space-4: 1rem !default;      // 16px
$pos-space-5: 1.25rem !default;   // 20px
$pos-space-6: 1.5rem !default;    // 24px
$pos-space-8: 2rem !default;      // 32px
$pos-space-10: 2.5rem !default;   // 40px

// Border Radius
$pos-radius-sm: 4px !default;
$pos-radius: 8px !default;
$pos-radius-lg: 12px !default;
$pos-radius-xl: 16px !default;
$pos-radius-full: 9999px !default;

// Shadows
$pos-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05) !default;
$pos-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06) !default;
$pos-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06) !default;
$pos-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05) !default;

// Transitions
$pos-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !default;

// ========================================
// 2. MIXINS
// ========================================

@mixin pos-scrollbar {
  &::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  &::-webkit-scrollbar-track {
    background: $pos-gray-100;
    border-radius: $pos-radius-full;
  }

  &::-webkit-scrollbar-thumb {
    background: $pos-gray-400;
    border-radius: $pos-radius-full;

    &:hover {
      background: $pos-gray-500;
    }
  }
}

@mixin pos-focus-ring($color: $pos-primary) {
  &:focus {
    outline: none;
    border-color: $color;
    box-shadow: 0 0 0 3px rgba($color, 0.2);
  }
}

@mixin pos-button-variant($bg-color, $hover-color) {
  background: $bg-color;
  color: $pos-white;
  border: none;
  transition: $pos-transition;

  &:hover:not(:disabled) {
    background: $hover-color;
    transform: translateY(-1px);
    box-shadow: $pos-shadow-md;
  }

  &:active:not(:disabled) {
    transform: translateY(0);
  }

  &:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
}

// ========================================
// 3. BASE STYLES & RESETS
// ========================================

.pos_page {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  min-height: 100vh;
  background: $pos-gray-50;
  font-family: $pos-font-family;
  overflow: hidden;

  * {
    font-family: $pos-font-family;
    text-transform: none;
  }
}

#pos {
  height: 100vh;
  overflow: hidden;
}

// ========================================
// 4. HEADER STYLES
// ========================================

.pos-header {
  background: $pos-white;
  border-bottom: 1px solid $pos-gray-200;
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 $pos-space-6;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: $pos-shadow-sm;

  .logo {
    display: flex;
    align-items: center;

    img {
      width: 36px;
      height: 36px;
      border-radius: $pos-radius;
      object-fit: cover;
    }
  }

  &-actions {
    display: flex;
    align-items: center;
    gap: $pos-space-4;
    margin-left: auto;
  }

  &-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: $pos-radius;
    background: $pos-gray-100;
    color: $pos-gray-700;
    transition: $pos-transition;
    cursor: pointer;
    font-size: 18px;
    border: none;

    &:hover {
      background: $pos-gray-200;
      color: $pos-gray-900;
    }

    &.active {
      background: $pos-primary-light;
      color: $pos-primary;
    }
  }
}

// ========================================
// 5. LAYOUT - TWO COLUMN GRID
// ========================================

.pos-layout {
  display: flex;
  flex-direction: row;
  height: calc(100vh - 60px);
  gap: 0;
  overflow: hidden;
  width: 100%;
}

// ========================================
// 6. LEFT PANEL - CART & ORDER
// ========================================

.pos-left-panel {
  background: $pos-white;
  border-right: 1px solid $pos-gray-200;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 420px;
  min-width: 420px;
  flex-shrink: 0;
}

.pos-cart-header {
  padding: $pos-space-6;
  border-bottom: 1px solid $pos-gray-200;
}

.pos-cart-body {
  flex: 1;
  overflow-y: auto;
  padding: $pos-space-4;
  @include pos-scrollbar;
}

.pos-cart-footer {
  border-top: 1px solid $pos-gray-200;
  background: $pos-gray-50;
}

// Customer & Warehouse Selects
.pos-select-group {
  margin-bottom: $pos-space-4;

  label {
    font-size: $pos-font-size-sm;
    font-weight: 500;
    color: $pos-gray-700;
    margin-bottom: $pos-space-2;
    display: block;
  }

  .v-select {
    border-radius: $pos-radius;
  }

  .vs__dropdown-toggle {
    border: 1px solid $pos-gray-300;
    border-radius: $pos-radius;
    padding: $pos-space-2;
    background: $pos-white;
    transition: $pos-transition;

    &:hover {
      border-color: $pos-gray-400;
    }

    &:focus-within {
      border-color: $pos-primary;
      box-shadow: 0 0 0 3px $pos-primary-light;
    }
  }
}

// Cart Items Table
.pos-cart-table {
  background: $pos-white;
  border-radius: $pos-radius;
  overflow: hidden;
  max-height: calc(100vh - 520px);
  overflow-y: auto;
  @include pos-scrollbar;

  table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
  }

  thead {
    background: $pos-gray-50;
    position: sticky;
    top: 0;
    z-index: 10;

    th {
      padding: $pos-space-3;
      font-size: $pos-font-size-xs;
      font-weight: 600;
      text-transform: uppercase;
      color: $pos-gray-600;
      border-bottom: 1px solid $pos-gray-200;
      text-align: left;
    }
  }

  tbody {
    td {
      padding: $pos-space-4 $pos-space-3;
      font-size: $pos-font-size-sm;
      color: $pos-gray-700;
      border-bottom: 1px solid $pos-gray-100;
    }

    tr:hover {
      background: $pos-gray-50;
    }
  }
}

.pos-cart-item-name {
  font-weight: 500;
  color: $pos-gray-900;
  margin-bottom: $pos-space-1;
}

.pos-cart-item-code {
  font-size: $pos-font-size-xs;
  color: $pos-gray-500;
}

// Quantity Controls
.pos-qty-control {
  display: flex;
  align-items: center;
  gap: $pos-space-1;
  width: 100px;
}

.pos-qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid $pos-gray-300;
  background: $pos-white;
  border-radius: $pos-radius-sm;
  color: $pos-gray-700;
  font-size: $pos-font-size-base;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: $pos-transition;
  padding: 0;

  &:hover {
    background: $pos-primary;
    color: $pos-white;
    border-color: $pos-primary;
  }
}

.pos-qty-input {
  flex: 1;
  text-align: center;
  border: 1px solid $pos-gray-300;
  border-radius: $pos-radius-sm;
  height: 28px;
  font-size: $pos-font-size-sm;
  padding: 0;

  @include pos-focus-ring;
}

// Cart Summary
.pos-cart-summary {
  padding: $pos-space-6;
  background: $pos-white;
}

.pos-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: $pos-space-3 0;
  font-size: $pos-font-size-sm;
  color: $pos-gray-700;
  border-bottom: 1px solid $pos-gray-100;

  &.grand-total {
    padding-top: $pos-space-4;
    border-top: 2px solid $pos-gray-300;
    border-bottom: none;
    margin-top: $pos-space-2;

    .label {
      font-size: $pos-font-size-lg;
      font-weight: 600;
      color: $pos-gray-900;
    }

    .value {
      font-size: $pos-font-size-2xl;
      font-weight: 700;
      color: $pos-primary;
    }
  }
}

// Discount & Tax Inputs
.pos-input-group {
  margin-bottom: $pos-space-4;

  label {
    font-size: $pos-font-size-sm;
    font-weight: 500;
    color: $pos-gray-700;
    margin-bottom: $pos-space-2;
    display: block;
  }

  input {
    width: 100%;
    padding: $pos-space-3;
    border: 1px solid $pos-gray-300;
    border-radius: $pos-radius;
    font-size: $pos-font-size-sm;
    transition: $pos-transition;

    @include pos-focus-ring;
  }
}

// Action Buttons
.pos-action-buttons {
  padding: $pos-space-4 $pos-space-6;
  display: flex;
  gap: $pos-space-3;
  background: $pos-white;
  border-top: 1px solid $pos-gray-200;
}

.pos-btn {
  flex: 1;
  padding: $pos-space-4;
  font-size: $pos-font-size-sm;
  font-weight: 500;
  border-radius: $pos-radius;
  border: none;
  cursor: pointer;
  transition: $pos-transition;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: $pos-space-2;

  &-primary {
    @include pos-button-variant($pos-primary, $pos-primary-hover);
  }

  &-success {
    @include pos-button-variant($pos-success, darken($pos-success, 8%));
  }

  &-danger {
    @include pos-button-variant($pos-danger, darken($pos-danger, 8%));
  }

  &-light {
    background: $pos-gray-100;
    color: $pos-gray-700;
    border: 1px solid $pos-gray-300;

    &:hover {
      background: $pos-gray-200;
    }
  }
}

// ========================================
// 7. RIGHT PANEL - PRODUCTS
// ========================================

.pos-right-panel {
  background: $pos-gray-50;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.pos-search-section {
  background: $pos-white;
  padding: $pos-space-6;
  border-bottom: 1px solid $pos-gray-200;
}

.pos-search-bar {
  position: relative;
  margin-bottom: $pos-space-4;
}

.pos-search-input {
  width: 100%;
  padding: $pos-space-4 $pos-space-4 $pos-space-4 48px;
  border: 1px solid $pos-gray-300;
  border-radius: $pos-radius;
  font-size: $pos-font-size-base;
  transition: $pos-transition;
  background: $pos-white;

  @include pos-focus-ring;

  &::placeholder {
    color: $pos-gray-400;
  }
}

.pos-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: $pos-gray-400;
  font-size: 20px;
  pointer-events: none;
}

.pos-scan-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  cursor: pointer;
  opacity: 0.6;
  transition: $pos-transition;

  &:hover {
    opacity: 1;
  }
}

// Filter Buttons
.pos-filter-buttons {
  display: flex;
  gap: $pos-space-3;
}

.pos-filter-btn {
  flex: 1;
  padding: $pos-space-3;
  background: $pos-gray-100;
  border: 1px solid $pos-gray-200;
  border-radius: $pos-radius;
  font-size: $pos-font-size-sm;
  color: $pos-gray-700;
  cursor: pointer;
  transition: $pos-transition;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: $pos-space-2;

  &:hover {
    background: $pos-gray-200;
    border-color: $pos-gray-300;
  }
}

// Products Grid
.pos-products-container {
  flex: 1;
  overflow-y: auto;
  padding: $pos-space-6;
  @include pos-scrollbar;
}

.pos-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: $pos-space-4;
  margin-bottom: $pos-space-6;
}

.pos-product-card {
  background: $pos-white;
  border: 1px solid $pos-gray-200;
  border-radius: $pos-radius;
  overflow: hidden;
  cursor: pointer;
  transition: $pos-transition;
  display: flex;
  flex-direction: column;

  &:hover {
    border-color: $pos-primary;
    box-shadow: $pos-shadow-md;
    transform: translateY(-2px);
  }
}

.pos-product-image {
  width: 100%;
  height: 120px;
  object-fit: cover;
  background: $pos-gray-100;
}

.pos-product-info {
  padding: $pos-space-3;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.pos-product-name {
  font-size: $pos-font-size-sm;
  font-weight: 500;
  color: $pos-gray-900;
  margin-bottom: $pos-space-1;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pos-product-code {
  font-size: $pos-font-size-xs;
  color: $pos-gray-500;
  margin-bottom: $pos-space-2;
}

.pos-product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.pos-product-price {
  font-size: $pos-font-size-base;
  font-weight: 600;
  color: $pos-primary;
}

.pos-product-stock {
  font-size: $pos-font-size-xs;
  padding: 2px 8px;
  background: $pos-success-light;
  color: $pos-success;
  border-radius: $pos-radius-full;
}

// Pagination
.pos-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: $pos-space-2;
  padding: $pos-space-4 0;

  button {
    width: 36px;
    height: 36px;
    border: 1px solid $pos-gray-300;
    background: $pos-white;
    border-radius: $pos-radius;
    color: $pos-gray-700;
    cursor: pointer;
    transition: $pos-transition;

    &:hover {
      border-color: $pos-primary;
      color: $pos-primary;
    }

    &.active {
      background: $pos-primary;
      border-color: $pos-primary;
      color: $pos-white;
    }
  }
}

// ========================================
// 8. MODAL STYLES
// ========================================

.pos-modal-header {
  border-bottom: 1px solid $pos-gray-200;
  padding: $pos-space-6;
  background: $pos-white;
}

.pos-modal-title {
  font-size: $pos-font-size-xl;
  font-weight: 600;
  color: $pos-gray-900;
}

.pos-modal-body {
  padding: $pos-space-6;
  background: $pos-gray-50;
}

.pos-modal-footer {
  border-top: 1px solid $pos-gray-200;
  padding: $pos-space-4 $pos-space-6;
  background: $pos-white;
  display: flex;
  gap: $pos-space-3;
  justify-content: flex-end;
}

// Payment Modal
.pos-payment-summary {
  background: $pos-white;
  border: 1px solid $pos-gray-200;
  border-radius: $pos-radius;
  padding: $pos-space-6;

  &-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: $pos-space-4 0;
    border-bottom: 1px solid $pos-gray-100;

    &:last-child {
      border-bottom: none;
    }
  }

  &-label {
    font-size: $pos-font-size-sm;
    color: $pos-gray-600;
    display: flex;
    align-items: center;
    gap: $pos-space-2;
  }

  &-value {
    font-size: $pos-font-size-base;
    font-weight: 600;
    color: $pos-gray-900;
  }
}

// Keypad
.pos-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: $pos-space-2;
  margin-top: $pos-space-4;

  &-btn {
    padding: $pos-space-4;
    background: $pos-white;
    border: 1px solid $pos-gray-300;
    border-radius: $pos-radius;
    font-size: $pos-font-size-lg;
    color: $pos-gray-900;
    cursor: pointer;
    transition: $pos-transition;
    font-weight: 500;

    &:hover {
      background: $pos-gray-100;
      border-color: $pos-gray-400;
    }

    &:active {
      transform: scale(0.95);
    }
  }
}

// ========================================
// 9. SIDEBAR STYLES
// ========================================

.pos-sidebar {
  background: $pos-white;
  padding: $pos-space-6;

  &-title {
    font-size: $pos-font-size-xl;
    font-weight: 600;
    color: $pos-gray-900;
    margin-bottom: $pos-space-6;
  }
}

// Category/Brand Grid
.pos-category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: $pos-space-3;
}

.pos-category-item {
  background: $pos-white;
  border: 2px solid $pos-gray-200;
  border-radius: $pos-radius;
  padding: $pos-space-4;
  text-align: center;
  cursor: pointer;
  transition: $pos-transition;
  font-size: $pos-font-size-sm;
  font-weight: 500;
  color: $pos-gray-700;

  &:hover {
    border-color: $pos-gray-400;
    background: $pos-gray-50;
  }

  &.active {
    border-color: $pos-primary;
    background: $pos-primary-light;
    color: $pos-primary;
    font-weight: 600;
  }
}

// ========================================
// 10. UTILITY CLASSES
// ========================================

.pos-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: $pos-radius-full;
  font-size: $pos-font-size-xs;
  font-weight: 500;

  &-success {
    background: $pos-success-light;
    color: $pos-success;
  }

  &-primary {
    background: $pos-primary-light;
    color: $pos-primary;
  }

  &-warning {
    background: $pos-warning-light;
    color: $pos-warning;
  }

  &-danger {
    background: $pos-danger-light;
    color: $pos-danger;
  }
}

.pos-text-muted {
  color: $pos-gray-500;
}

.pos-divider {
  height: 1px;
  background: $pos-gray-200;
  margin: $pos-space-4 0;
}

// ========================================
// 11. LOADING & EMPTY STATES
// ========================================

.pos-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: $pos-gray-50;
}

.pos-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid $pos-gray-200;
  border-top-color: $pos-primary;
  border-radius: 50%;
  animation: pos-spin 0.8s linear infinite;
}

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

.pos-empty-state {
  text-align: center;
  padding: $pos-space-10;
  color: $pos-gray-500;

  &-icon {
    font-size: 48px;
    margin-bottom: $pos-space-4;
    opacity: 0.5;
  }

  &-text {
    font-size: $pos-font-size-base;
  }
}

// ========================================
// 12. AUTOCOMPLETE RESULTS
// ========================================

.pos-autocomplete {
  position: relative;

  &-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: $pos-white;
    border: 1px solid $pos-gray-300;
    border-top: none;
    border-radius: 0 0 $pos-radius $pos-radius;
    box-shadow: $pos-shadow-lg;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: -8px;
  }

  &-item {
    padding: $pos-space-3 $pos-space-4;
    cursor: pointer;
    transition: $pos-transition;
    font-size: $pos-font-size-sm;
    color: $pos-gray-700;
    border-bottom: 1px solid $pos-gray-100;

    &:last-child {
      border-bottom: none;
    }

    &:hover {
      background: $pos-gray-50;
      color: $pos-gray-900;
    }
  }
}

// ========================================
// 13. PRINT STYLES
// ========================================

#invoice-POS {
  font-size: 14px;
  line-height: 20px;
  font-family: sans-serif;
  text-transform: capitalize;
  max-width: 400px;

  h1, h2, h3, h4, h5, h6 {
    color: #05070b;
    font-weight: bolder;
  }

  table tr {
    border-bottom: 3px dotted #ddd !important;
  }
}

#total tr {
  background-color: #ddd;
}

#top .logo {
  height: 100px;
  width: 100px;
  background-size: 100px 100px;
}

.title {
  float: right;

  p {
    text-align: right;
  }
}

.tabletitle {
  font-size: 0.5em;
  background: #eee;
}

#legalcopy {
  margin-top: 5mm;

  p {
    text-align: center;
  }
}

#bar {
  text-align: center;
}

@media print {
  .pos_page {
    position: static;
  }

  .pos-header,
  .pos-action-buttons,
  .pos-filter-buttons,
  .pos-search-section {
    display: none !important;
  }

  * {
    font-size: 12px;
    line-height: 18px;
  }

  body {
    margin: 0.5cm;
    margin-bottom: 1.6cm;
    visibility: hidden;
  }

  #invoice-POS {
    visibility: visible;
    font-size: 12px;
    line-height: 20px;
  }

  @page {
    margin: 0;
  }
}

// ========================================
// 14. RESPONSIVE ADJUSTMENTS
// ========================================

@media (max-width: 1200px) {
  .pos-left-panel {
    width: 380px;
    min-width: 380px;
  }
}

@media (max-width: 992px) {
  .pos-layout {
    flex-direction: column;
  }

  .pos-left-panel {
    width: 100%;
    min-width: 100%;
    border-right: none;
    border-bottom: 1px solid $pos-gray-200;
    max-height: 50vh;
  }
  
  .pos-right-panel {
    flex: 1;
  }
}

@media (min-width: 1400px) {
  .pos-products-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

@media (max-width: 1024px) {
  .pos-products-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: $pos-space-3;
  }

  .pos-action-buttons {
    flex-wrap: wrap;
  }

  .pos-btn {
    flex: 1 1 calc(50% - 6px);
  }
}

// ========================================
// 15. ACCESSIBILITY
// ========================================

.pos-btn:focus,
.pos-product-card:focus,
.pos-category-item:focus {
  outline: 2px solid $pos-primary;
  outline-offset: 2px;
}

.pos-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

// ========================================
// 16. TOAST/NOTIFICATION OVERRIDES
// ========================================

.b-toaster .b-toast {
  border-radius: $pos-radius;
  box-shadow: $pos-shadow-lg;
}

// ========================================
// 17. LEGACY SUPPORT & COMPATIBILITY
// ========================================

// Support for old class names
.pos-detail {
  height: 42vh !important;

  .table-responsive {
    max-height: 40vh !important;
    height: 40vh !important;
    border-bottom: none !important;

    tr {
      font-size: 14px;
    }
  }
}

.card-order {
  min-height: 100%;

  .main-header {
    position: relative;
  }
}

.grandtotal {
  text-align: center;
  height: 40px;
  background-color: #7ec8ca;
  margin-bottom: 20px;
  font-size: 1.2rem;
  font-weight: 800;
  padding: 5px;
}

.list-grid {
  height: 100%;
  min-height: 100%;
  overflow: scroll;

  .list-item .list-thumb img {
    width: 100% !important;
    height: 100px !important;
    max-height: 100px !important;
    object-fit: cover;
  }

  @media (min-width: 1024px) {
    height: 100vh;
    min-height: 100vh;
    overflow: scroll;
  }
}

.brand-Active {
  border: 2px solid;
}

.centred {
  text-align: center;
  align-content: center;
}

.card.o-hidden {
  width: 18%;
  max-width: 18%;
  min-width: 130px;

  &:hover {
    cursor: pointer;
    border: 1px solid;
  }
}

.input-customer {
  position: relative;
  display: flex;
  flex-wrap: unset;
  align-items: stretch;
  width: 100%;
}

.quantity {
  max-width: 95px;
  width: 95px;

  input {
    text-align: center;
    border: none;
  }

  .form-control:focus {
    color: #374151;
    background-color: unset;
    border-color: #e1d5fd;
    outline: 0;
    box-shadow: unset;
  }

  span {
    padding: 8px;
  }
}

// ========================================
// 18. PAYMENT MODAL - ENHANCED LAYOUT
// ========================================

// Premium Payment Modal
.premium-payment-modal {
  .modal-dialog {
    max-width: 1200px;
  }
}

.payment-checkout-wrapper {
  background: $pos-white;
  border-radius: $pos-radius-lg;
  overflow: hidden;
}

.checkout-header {
  padding: $pos-space-6;
  border-bottom: 1px solid $pos-gray-200;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: $pos-white;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.checkout-header-content {
  flex: 1;
}

.checkout-title {
  font-size: $pos-font-size-2xl;
  font-weight: 700;
  margin: 0 0 $pos-space-1 0;
  color: $pos-white;
}

.checkout-subtitle {
  font-size: $pos-font-size-base;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.checkout-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: $pos-radius;
  padding: $pos-space-2;
  cursor: pointer;
  transition: $pos-transition;
  display: flex;
  align-items: center;
  justify-content: center;
  color: $pos-white;

  &:hover {
    background: rgba(255, 255, 255, 0.3);
  }
}

.checkout-body {
  padding: $pos-space-6;
  background: $pos-gray-50;
}

// Summary Card
.summary-col {
  padding-right: $pos-space-4;
}

.order-summary-card {
  background: $pos-white;
  border: 1px solid $pos-gray-200;
  border-radius: $pos-radius-lg;
  padding: $pos-space-6;
  height: 100%;
  box-shadow: $pos-shadow-sm;
}

.summary-card-title {
  font-size: $pos-font-size-lg;
  font-weight: 600;
  color: $pos-gray-900;
  margin-bottom: $pos-space-5;
}

.summary-items {
  margin-bottom: $pos-space-4;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: $pos-space-3 0;
  font-size: $pos-font-size-sm;
  border-bottom: 1px solid $pos-gray-100;

  &:last-child {
    border-bottom: none;
  }
}

.summary-label {
  color: $pos-gray-600;
}

.summary-value {
  font-weight: 600;
  color: $pos-gray-900;
}

.summary-divider {
  height: 2px;
  background: $pos-gray-200;
  margin: $pos-space-4 0;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: $pos-space-4 0;
  margin-bottom: $pos-space-5;
}

.total-label {
  font-size: $pos-font-size-lg;
  font-weight: 600;
  color: $pos-gray-900;
}

.total-amount {
  font-size: $pos-font-size-3xl;
  font-weight: 700;
  color: $pos-primary;
}

.payment-status {
  display: grid;
  grid-template-columns: 1fr;
  gap: $pos-space-3;
}

.status-item {
  background: $pos-gray-50;
  padding: $pos-space-3;
  border-radius: $pos-radius;
}

.status-label {
  font-size: $pos-font-size-xs;
  color: $pos-gray-600;
  margin-bottom: $pos-space-1;
}

.status-value {
  font-size: $pos-font-size-base;
  font-weight: 600;
  color: $pos-gray-900;
}

// Payment Form
.payment-form-col {
  padding-left: $pos-space-4;
}

.payment-form-card {
  background: $pos-white;
  border: 1px solid $pos-gray-200;
  border-radius: $pos-radius-lg;
  padding: $pos-space-6;
  box-shadow: $pos-shadow-sm;
}

.form-section {
  margin-bottom: $pos-space-6;

  &:last-child {
    margin-bottom: 0;
  }
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: $pos-space-4;
}

.section-title {
  font-size: $pos-font-size-base;
  font-weight: 600;
  color: $pos-gray-900;
  margin: 0;
}

.line-count {
  font-size: $pos-font-size-sm;
  color: $pos-gray-500;
  background: $pos-gray-100;
  padding: $pos-space-1 $pos-space-3;
  border-radius: $pos-radius-full;
}

// Payment Method Tabs
.payment-method-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: $pos-space-2;
}

.method-tab {
  background: $pos-white;
  border: 2px solid $pos-gray-300;
  border-radius: $pos-radius;
  padding: $pos-space-3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: $pos-space-2;
  cursor: pointer;
  transition: $pos-transition;

  &:hover {
    border-color: $pos-gray-400;
    background: $pos-gray-50;
  }

  &.active {
    border-color: $pos-primary;
    background: $pos-primary-light;

    .method-icon {
      color: $pos-primary;
    }

    .method-name {
      color: $pos-primary;
      font-weight: 600;
    }
  }
}

.method-icon {
  width: 24px;
  height: 24px;
  color: $pos-gray-600;

  svg {
    width: 100%;
    height: 100%;
  }
}

.method-name {
  font-size: $pos-font-size-sm;
  color: $pos-gray-700;
  text-align: center;
}

// Payment Lines - Enhanced Card Layout
.payment-lines-list {
  display: flex;
  flex-direction: column;
  gap: $pos-space-4;
  margin-bottom: $pos-space-4;
}

.payment-line-card {
  background: $pos-gray-50;
  border: 1px solid $pos-gray-200;
  border-radius: $pos-radius;
  overflow: hidden;
}

.payment-line-header {
  background: $pos-white;
  border-bottom: 1px solid $pos-gray-200;
  padding: $pos-space-3 $pos-space-4;
  display: flex;
  align-items: center;
  gap: $pos-space-3;
}

.line-badge {
  background: $pos-primary;
  color: $pos-white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: $pos-font-size-xs;
  font-weight: 600;
}

.line-title {
  flex: 1;
  font-size: $pos-font-size-sm;
  font-weight: 600;
  color: $pos-gray-900;
}

.line-remove-btn {
  color: $pos-danger;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: $pos-transition;
  font-size: 18px;

  &:hover {
    color: darken($pos-danger, 10%);
    transform: scale(1.1);
  }
}

.payment-line-body {
  padding: $pos-space-4;
  display: grid;
  grid-template-columns: 1fr;
  gap: $pos-space-3;
}

.form-label-sm {
  font-size: $pos-font-size-sm;
  font-weight: 500;
  color: $pos-gray-700;
  margin-bottom: $pos-space-2;
}

.amount-input-group {
  .input-group-text {
    background: $pos-primary-light;
    border-color: $pos-gray-300;
    color: $pos-primary;
    font-weight: 600;
  }

  .form-control {
    border-left: none;
  }
}

.line-amount-input {
  font-size: $pos-font-size-base;
  font-weight: 600;
  color: $pos-gray-900;
}

.payment-method-select {
  .vs__dropdown-toggle {
    min-height: 42px;
  }
}

.add-line-btn {
  width: 100%;
  border-style: dashed;
  border-width: 2px;
  background: transparent;
  color: $pos-primary;
  font-weight: 500;
  transition: $pos-transition;

  &:hover {
    background: $pos-primary-light;
    border-style: solid;
  }
}

// Quick Amount Grid
.quick-amount-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: $pos-space-2;
}

.quick-btn {
  padding: $pos-space-3;
  font-size: $pos-font-size-sm;
  font-weight: 500;
  border: 1px solid $pos-gray-300;
  background: $pos-white;
  border-radius: $pos-radius;
  color: $pos-gray-700;
  cursor: pointer;
  transition: $pos-transition;

  &:hover {
    background: $pos-primary;
    color: $pos-white;
    border-color: $pos-primary;
  }
}

// Keypad
.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: $pos-space-2;
}

.keypad-key {
  padding: $pos-space-4;
  background: $pos-white;
  border: 1px solid $pos-gray-300;
  border-radius: $pos-radius;
  font-size: $pos-font-size-lg;
  font-weight: 500;
  color: $pos-gray-900;
  cursor: pointer;
  transition: $pos-transition;

  &:hover {
    background: $pos-gray-100;
    border-color: $pos-gray-400;
  }

  &:active {
    transform: scale(0.95);
  }
}

// Credit Card Section
.saved-cards {
  margin-top: $pos-space-4;
}

.saved-cards-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: $pos-space-4;

  span {
    font-size: $pos-font-size-base;
    font-weight: 600;
    color: $pos-gray-900;
  }
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: $pos-space-3;
}

.card-option {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: $pos-white;
  border-radius: $pos-radius;
  padding: $pos-space-4;
  cursor: pointer;
  transition: $pos-transition;
  position: relative;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  &:hover {
    transform: translateY(-2px);
    box-shadow: $pos-shadow-lg;
  }

  &.selected {
    box-shadow: 0 0 0 3px $pos-primary;
  }
}

.card-chip {
  width: 30px;
  height: 22px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  margin-bottom: $pos-space-2;
}

.card-last-four {
  font-size: $pos-font-size-lg;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: $pos-space-1;
}

.card-exp {
  font-size: $pos-font-size-xs;
  opacity: 0.9;
}

.card-checkmark {
  position: absolute;
  top: $pos-space-2;
  right: $pos-space-2;
  width: 24px;
  height: 24px;
  background: $pos-white;
  color: $pos-primary;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.new-card-form {
  margin-top: $pos-space-4;
}

.new-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: $pos-space-4;
}

.card-form-label {
  font-size: $pos-font-size-base;
  font-weight: 600;
  color: $pos-gray-900;
  margin: 0;
}

.stripe-card-element {
  padding: $pos-space-4;
  border: 1px solid $pos-gray-300;
  border-radius: $pos-radius;
  background: $pos-white;
  transition: $pos-transition;

  &:focus-within {
    border-color: $pos-primary;
    box-shadow: 0 0 0 3px $pos-primary-light;
  }
}

.card-errors {
  color: $pos-danger;
  font-size: $pos-font-size-sm;
  margin-top: $pos-space-2;
}

// Notes & Options
.form-textarea-sm {
  font-size: $pos-font-size-sm;
  resize: vertical;
}

.account-select {
  .vs__dropdown-toggle {
    min-height: 42px;
  }
}

// Checkboxes
.checkboxes-group {
  display: flex;
  flex-direction: column;
  gap: $pos-space-3;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: $pos-space-2;
  font-size: $pos-font-size-sm;
  color: $pos-gray-700;

  i {
    font-size: 16px;
    color: $pos-gray-500;
  }
}

// Checkout Footer
.checkout-footer {
  background: $pos-white;
  border-top: 1px solid $pos-gray-200;
  padding: $pos-space-5 $pos-space-6;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: $pos-space-4;
}

.footer-info {
  display: flex;
  gap: $pos-space-6;
  flex: 1;
}

.footer-amount {
  display: flex;
  flex-direction: column;
  gap: $pos-space-1;

  .label {
    font-size: $pos-font-size-xs;
    color: $pos-gray-600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .amount {
    font-size: $pos-font-size-lg;
    font-weight: 700;
    color: $pos-gray-900;
  }
}

.footer-actions {
  display: flex;
  gap: $pos-space-3;
  align-items: center;
}

.btn-cancel {
  min-width: 120px;
}

.btn-pay {
  min-width: 180px;
  font-size: $pos-font-size-base;
  font-weight: 600;
}

// Responsive Adjustments for Payment Modal
@media (max-width: 992px) {
  .summary-col,
  .payment-form-col {
    padding-left: 15px;
    padding-right: 15px;
  }

  .checkout-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-info {
    justify-content: space-between;
  }

  .footer-actions {
    width: 100%;

    .btn {
      flex: 1;
    }
  }
}