/* ==========================================================================
   Restaurant POS - Production-Grade Design System & Stylesheet
   Designed for High-Speed Touchscreen & Keyboard Operations
   ========================================================================== */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Restaurant POS theme */
  --color-primary: #183153;
  --color-primary-hover: #28476c;
  --color-secondary: #345678;
  --color-background: #f5f7fa;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-muted: #64748b;
  --color-border: #dce3ec;
  --color-success: #15803d;
  --color-warning: #b45309;
  --color-warning-bg: #fffbeb;
  --color-danger: #b91c1c;

  /* Neutrals */
  --bg-app: var(--color-background);
  --bg-card: var(--color-surface);
  --bg-sidebar: var(--color-primary);
  --bg-sidebar-hover: #28476c;
  --bg-sidebar-active: var(--color-secondary);
  --border-color: var(--color-border);
  --border-strong: var(--color-border);
  --text-main: var(--color-text);
  --text-muted: var(--color-muted);
  --text-sidebar: #94a3b8;
  --text-sidebar-bright: #f8fafc;

  /* Theme Accents */
  --primary: var(--color-primary);
  --primary-hover: var(--color-primary-hover);
  --primary-light: #eaf0f7;
  --accent: var(--color-secondary);
  
  /* Status Colors */
  --status-available: var(--color-success);
  --status-available-bg: #ecfdf5;
  --status-occupied: var(--color-secondary);
  --status-occupied-bg: #eff6ff;
  --status-ordered: var(--color-warning);
  --status-ordered-bg: #fffbeb;
  --status-billing: #8b5cf6;
  --status-billing-bg: #f5f3ff;
  --status-reserved: #ec4899;
  --status-reserved-bg: #fdf2f8;
  --status-cleaning: #64748b;
  --status-cleaning-bg: #f8fafc;
  --status-danger: var(--color-danger);
  --status-danger-bg: #fef2f2;

  /* Sizing */
  --sidebar-width: 220px;
  --header-height: 64px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-main);
  background-color: var(--bg-app);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   App Layout
   -------------------------------------------------------------------------- */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  user-select: none;
}

.sidebar-brand {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-sidebar-bright);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand .brand-badge {
  background: var(--color-secondary);
  color: var(--color-surface);
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px;
}

.nav-section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-sidebar);
  padding: 10px 10px 4px 10px;
  font-weight: 700;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  color: var(--text-sidebar);
  font-weight: 500;
  font-size: 14px;
  transition: all 0.15s ease;
  margin-bottom: 2px;
}

.nav-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: var(--text-sidebar-bright);
}

.nav-item.active {
  background-color: var(--bg-sidebar-active);
  color: var(--color-surface);
  font-weight: 600;
  border-left: 3px solid var(--color-border);
}

.nav-item svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar-footer {
  padding: 12px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-app);
}

.app-header {
  height: 64px;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.2px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-page {
  width: 100%;
}

.settings-page .card {
  width: 100%;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 22px;
}

/* --------------------------------------------------------------------------
   UI Components & Utilities
   -------------------------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  min-height: 42px;
  font-size: 15px !important;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-blue {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-primary);
}
.btn-blue:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background-color: var(--color-background);
  color: var(--color-text);
}

.btn-success {
  background-color: var(--color-success);
  color: var(--color-surface);
  border-color: var(--color-success);
}
.btn-success:hover {
  background-color: var(--color-success);
  filter: brightness(0.92);
}

.btn-danger {
  background-color: var(--color-danger);
  color: var(--color-surface);
  border-color: var(--color-danger);
}
.btn-danger:hover {
  background-color: var(--color-danger);
  filter: brightness(0.92);
}

.btn-warning {
  background-color: var(--color-warning);
  color: var(--color-surface);
  border-color: var(--color-warning);
}
.btn-warning:hover {
  background-color: var(--color-warning);
  filter: brightness(0.92);
}

.btn-sm {
  font-size: 15px !important;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
}

.btn-lg {
  font-size: 15px;
  padding: 10px 18px;
}

.btn-block {
  width: 100%;
}

/* Form Controls */
.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 5px;
}

.form-control, .form-select {
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  font-size: 16px !important;
  font-family: inherit;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 2px rgba(52, 86, 120, 0.16);
}

.form-control::placeholder {
  color: var(--color-muted);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  font-size: 13px !important;
  font-weight: 600;
  border-radius: 4px;
  line-height: 1.3;
  text-transform: capitalize;
}

.badge-green { background: #dcfce7; color: var(--color-success); }
.badge-blue { background: #dbeafe; color: var(--color-secondary); }
.badge-yellow { background: #fef3c7; color: var(--color-warning); }
.badge-purple { background: #f3e8ff; color: #7e22ce; }
.badge-pink { background: #fce7f3; color: #be185d; }
.badge-gray { background: var(--color-background); color: var(--color-muted); }
.badge-red { background: #fee2e2; color: var(--color-danger); }

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px !important;
  text-align: left;
}

.data-table th {
  background-color: var(--color-background);
  color: var(--color-muted);
  font-weight: 600;
  font-size: 13px !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  border-top: 1px solid var(--border-color);
}

.data-table td {
  font-size: 15px !important;
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--color-text);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: #eef2f7;
}

/* Flash Messages */
.flash-alert {
  padding: 10px 14px;
  margin-bottom: 14px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.flash-success { background: #ecfdf5; color: var(--color-success); border: 1px solid var(--color-border); }
.flash-error   { background: #fef2f2; color: var(--color-danger); border: 1px solid var(--color-border); }
.flash-warning { background: #fffbeb; color: var(--color-warning); border: 1px solid var(--color-border); }

/* --------------------------------------------------------------------------
   POS Terminal Screen Layout - 3-Panel Design
   -------------------------------------------------------------------------- */
.pos-layout {
  display: grid;
  grid-template-columns: 210px 1fr 390px;
  height: calc(100vh - var(--header-height));
  overflow: hidden;
  background-color: var(--color-background);
}

.mobile-nav-toggle {
  display: none;
}

.sidebar-backdrop {
  display: none;
}

@media (max-width: 1200px) {
  .pos-layout {
    grid-template-columns: 190px 1fr 360px;
  }
}

@media (max-width: 960px) {
  .pos-layout {
    grid-template-columns: 1fr 360px;
  }
  .pos-categories-panel {
    display: none !important;
  }
}

/* LEFT PANEL: Categories */
.pos-categories-panel {
  background: var(--color-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.pos-cat-search-box {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  background: var(--color-background);
}

.pos-cat-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.pos-cat-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
  user-select: none;
}

.pos-cat-btn:hover {
  background: var(--color-background);
  color: var(--color-text);
}

.pos-cat-btn.active {
  background: var(--color-primary);
  color: var(--color-surface);
  font-weight: 700;
}

.pos-cat-btn .cat-count-badge {
  font-size: 15px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--color-background);
  color: var(--color-muted);
}

.pos-cat-btn.active .cat-count-badge {
  background: #334155;
  color: var(--color-surface);
}

/* CENTRE PANEL: Food Menu */
.pos-menu-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-right: 1px solid var(--border-color);
  background: var(--color-surface);
  overflow: hidden;
}

.pos-menu-header {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--color-background);
}

.pos-item-grid {
  flex: 1;
  overflow-y: auto;
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
  align-content: start;
}

.dish-card {
  background: var(--color-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 110px;
  position: relative;
  transition: all 0.15s ease;
  user-select: none;
}

.dish-card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.dish-card.unavailable {
  opacity: 0.55;
  background: var(--color-background);
}

.dish-card-btn-add {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--color-background);
  color: var(--color-text);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition: all 0.12s ease;
}

.dish-card-btn-add:hover {
  background: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-border);
}

/* RIGHT PANEL: Order Cart */
.pos-order-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-surface);
  overflow: hidden;
}

.dish-card .veg-indicator {
  width: 13px;
  height: 13px;
  border: 1px solid var(--color-success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  flex-shrink: 0;
}
.dish-card .veg-indicator::after {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--color-success);
  border-radius: 50%;
}
.dish-card .non-veg-indicator {
  width: 13px;
  height: 13px;
  border: 1px solid var(--color-danger);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2px;
  flex-shrink: 0;
}
.dish-card .non-veg-indicator::after {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--color-danger);
  border-radius: 50%;
}

.dish-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text);
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

.dish-footer {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 8px;
}

.dish-price {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text);
}

.dish-code {
  font-size: 13px;
  color: var(--color-muted);
  font-family: var(--font-mono);
}

/* POS Cart Sidebar */
.pos-cart {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-surface);
  overflow: hidden;
}

.pos-cart-header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  background: var(--color-background);
}

.order-type-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  background: var(--color-background);
  padding: 3px;
  border-radius: var(--radius-md);
  margin-bottom: 10px;
}

.order-type-btn {
  padding: 6px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--color-muted);
}

.order-type-btn.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

.pos-cart-meta {
  display: flex;
  gap: 8px;
  align-items: center;
}

.cart-items-container {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
}

.cart-item-row {
  display: flex;
  flex-direction: column;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border-color);
}

.cart-item-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 6px;
}

.cart-item-title {
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text);
}

.cart-item-variant {
  font-size: 14px;
  color: var(--color-muted);
  font-weight: 500;
}

.cart-item-addons {
  font-size: 14px;
  color: var(--color-secondary);
}

.cart-item-note {
  font-size: 14px;
  color: var(--color-warning);
  font-style: italic;
}

.cart-item-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}

.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--color-surface);
  overflow: hidden;
}

.qty-btn {
  width: 26px;
  height: 26px;
  border: none;
  background: var(--color-background);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

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

.qty-val {
  min-width: 28px;
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.cart-item-total {
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
}

.pos-cart-summary {
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
  background: var(--color-background);
  font-size: 15px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  color: var(--color-muted);
}

.summary-line.grand {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text);
  border-top: 1px solid var(--border-color);
  padding-top: 6px;
  margin-top: 6px;
  margin-bottom: 0;
}

.pos-cart-actions {
  padding: 10px 14px;
  background: var(--color-surface);
  border-top: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 8px;
}

/* --------------------------------------------------------------------------
   Floor & Tables Management
   -------------------------------------------------------------------------- */
.table-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.table-tile {
  background: var(--color-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 120px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
  transition: all 0.15s ease;
  position: relative;
}

.table-tile:hover {
  box-shadow: 0 6px 12px -2px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.table-tile.status-available { border-top: 4px solid var(--status-available); }
.table-tile.status-occupied  { border-top: 4px solid var(--status-occupied); }
.table-tile.status-ordered   { border-top: 4px solid var(--status-ordered); }
.table-tile.status-billing   { border-top: 4px solid var(--status-billing); }
.table-tile.status-reserved  { border-top: 4px solid var(--status-reserved); }
.table-tile.status-cleaning  { border-top: 4px solid var(--status-cleaning); }

.table-tile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.table-tile-number {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
}

.table-tile-capacity {
  font-size: 11px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 3px;
}

.table-tile-body {
  margin: 10px 0;
}

.table-order-amount {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

.table-tile-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   Kitchen Display System (KDS)
   -------------------------------------------------------------------------- */
.kds-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  background: var(--color-background);
  color: var(--color-text);
}

.kds-header {
  padding: 10px 20px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.kds-board {
  flex: 1;
  overflow-x: auto;
  padding: 16px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.kds-ticket-card {
  width: 320px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(31, 41, 55, 0.08);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.kds-ticket-card.status-new { border-top: 4px solid var(--color-danger); }
.kds-ticket-card.status-accepted { border-top: 4px solid var(--color-warning); }
.kds-ticket-card.status-preparing { border-top: 4px solid var(--color-secondary); }
.kds-ticket-card.status-ready { border-top: 4px solid var(--color-success); }

.kds-ticket-header {
  padding: 10px 12px;
  background: var(--color-background);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
}

.kds-ticket-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text);
}

.kds-ticket-timer {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--color-primary);
  color: var(--color-surface);
}

.kds-ticket-items {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 400px;
  overflow-y: auto;
}

.kds-item-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
  color: var(--color-text);
}

.kds-item-row.cancelled {
  opacity: 0.55;
  text-decoration: line-through;
  color: #f87171;
}

.kds-item-qty {
  font-weight: 800;
  font-size: 14px;
  background: var(--color-background);
  color: var(--color-text);
  padding: 2px 7px;
  border-radius: 4px;
  margin-right: 8px;
}

.kds-ticket-actions {
  padding: 10px 12px;
  background: var(--color-background);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
}

/* --------------------------------------------------------------------------
   Modal Dialogs
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.18);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
}

.modal-close {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  font-size: 16px;
  line-height: 1.5;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border-color);
  background: var(--color-background);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.app-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.55);
}

.app-confirm-overlay.open {
  display: flex;
}

.app-dialog-open {
  overflow: hidden;
}

.app-confirm-dialog {
  width: min(100%, 520px);
  max-height: min(90vh, 720px);
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--border-strong);
  border-top: 4px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.22);
}

.app-confirm-overlay.is-warning .app-confirm-dialog {
  border-top-color: var(--color-warning);
}

.app-confirm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
}

.app-confirm-header h2 {
  margin: 0;
  color: var(--text-main);
  font-size: 22px;
  line-height: 1.25;
}

.app-confirm-close {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

.app-confirm-body {
  padding: 20px;
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.5;
}

.app-confirm-body > p:first-child {
  margin: 0;
}

.app-confirm-details {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 1.5fr);
  gap: 8px 16px;
  margin: 18px 0 0;
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #f8fafb;
}

.app-confirm-details[hidden],
.app-confirm-status[hidden],
.app-confirm-footer button[hidden] {
  display: none;
}

.app-confirm-details dt {
  color: var(--text-muted);
}

.app-confirm-details dd {
  margin: 0;
  text-align: right;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.app-confirm-details dd:last-child {
  color: var(--primary);
  font-size: 22px;
}

.app-confirm-status {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.app-confirm-status.processing {
  color: var(--color-text);
  background: var(--color-background);
}

.app-confirm-status.success {
  color: var(--color-success);
  background: #f0fdf4;
  border-color: var(--color-border);
}

.app-confirm-status.error {
  color: var(--color-danger);
  background: #fef2f2;
  border-color: var(--color-border);
}

.app-confirm-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  background: #f8fafb;
}

:focus-visible {
  outline: 3px solid rgba(52, 86, 120, 0.4);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Thermal Receipt Printing
   -------------------------------------------------------------------------- */
@media print {
  body {
    background: var(--color-surface) !important;
    color: #000000 !important;
  }
  .app-sidebar, .app-header, .btn, .no-print {
    display: none !important;
  }
  .app-main, .app-content {
    overflow: visible !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  .thermal-receipt {
    width: 80mm !important;
    max-width: 80mm !important;
    padding: 2mm !important;
    margin: 0 auto !important;
    font-family: var(--font-mono) !important;
    font-size: 12px !important;
    line-height: 1.3 !important;
    color: #000 !important;
  }
}

.thermal-receipt {
  width: 320px;
  background: var(--color-surface);
  padding: 16px;
  margin: 0 auto;
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #000000;
}

.receipt-header {
  text-align: center;
  margin-bottom: 12px;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 10px;
}

.receipt-header h2 {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 2px;
}

.receipt-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0;
}

.receipt-table th {
  border-bottom: 1px dashed var(--color-border);
  text-align: left;
  font-size: 11.5px;
  padding: 4px 0;
}

.receipt-table td {
  padding: 4px 0;
  vertical-align: top;
}

.receipt-totals {
  border-top: 1px dashed var(--color-border);
  padding-top: 6px;
  margin-top: 6px;
}

.receipt-footer {
  text-align: center;
  font-size: 11px;
  margin-top: 14px;
  border-top: 1px dashed var(--color-border);
  padding-top: 10px;
}

/* POS cashier workspace */
.pos-layout {
  height: calc(100vh - var(--header-height) - 36px);
  min-height: 0;
  margin: -18px -20px;
  grid-template-columns: 190px minmax(320px, 1fr) minmax(340px, 390px);
  background: var(--color-background);
}

.pos-categories-panel,
.pos-menu-panel,
.pos-order-panel {
  min-width: 0;
}

.pos-cat-btn,
.dish-card-btn-add,
.qty-btn,
.order-type-btn {
  min-height: 40px;
}

.pos-cat-btn {
  font-size: 15px;
  padding: 9px 10px;
}

.pos-cat-btn.active {
  background: var(--color-primary);
}

.pos-cat-btn.active .cat-count-badge {
  background: var(--color-secondary);
}

.pos-menu-header {
  min-height: 58px;
}

.pos-menu-header input {
  min-height: 42px;
}

.pos-item-grid {
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 9px;
  padding: 12px;
}

.dish-card {
  min-height: 126px;
  border-radius: 5px;
  box-shadow: none;
}

.dish-card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.dish-card.unavailable {
  opacity: 0.76;
}

.dish-card-btn-add {
  min-width: 64px;
  padding: 7px 12px;
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-surface);
  font-size: 15px;
}

.dish-card-btn-add:hover {
  border-color: var(--color-primary-hover);
  background: var(--color-primary-hover);
}

.pos-order-panel {
  border-left: 1px solid var(--border-color);
}

.qty-btn {
  min-width: 36px;
  font-size: 18px;
}

.summary-line.grand {
  color: var(--color-primary);
}

@media (max-width: 960px) {
  .pos-layout {
    grid-template-columns: minmax(0, 1fr) minmax(310px, 38vw);
    grid-template-rows: 86px minmax(0, 1fr);
  }

  .pos-categories-panel {
    grid-column: 1 / -1;
    grid-row: 1;
    display: flex !important;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
  }

  .pos-cat-search-box {
    display: none;
  }

  .pos-cat-list {
    flex-direction: row;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px 10px;
  }

  .pos-cat-btn {
    flex: 0 0 auto;
    gap: 10px;
  }

  .pos-menu-panel {
    grid-column: 1;
    grid-row: 2;
  }

  .pos-order-panel {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (max-width: 700px) {
  .app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1001;
    width: min(var(--sidebar-width), 84vw);
    height: 100vh;
    transform: translateX(-100%);
    transition: transform 0.18s ease;
  }

  .app-sidebar.open {
    transform: translateX(0);
  }

  .sidebar-backdrop.open {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1000;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(15, 23, 42, 0.45);
  }

  .app-main {
    width: 100%;
    min-width: 0;
  }

  .app-header {
    gap: 8px;
    padding: 0 10px;
  }

  .header-left,
  .header-right {
    gap: 8px;
  }

  .header-left {
    min-width: 0;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--text-main);
  }

  .mobile-nav-toggle svg {
    width: 20px;
    height: 20px;
  }

  .header-right > div {
    display: none !important;
  }

  .page-title {
    font-size: 18px;
  }

  .app-content {
    overflow-y: auto;
    padding: 12px;
  }

  .pos-layout {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 0;
    margin: -12px;
    overflow: visible;
  }

  .pos-categories-panel {
    flex: 0 0 auto;
  }

  .pos-menu-panel {
    height: 58vh;
    min-height: 360px;
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
  }

  .pos-order-panel {
    height: 70vh;
    min-height: 500px;
    border-left: 0;
  }

  .pos-menu-header {
    gap: 6px;
    padding: 8px;
  }

  .pos-menu-header #activeCatLabel {
    display: none;
  }

  .pos-item-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

@media (max-width: 1100px) {
  .header-left {
    min-width: 0;
    flex: 1;
  }

  .header-right > div {
    display: none;
  }

  .page-title {
    font-size: 20px;
  }

  .billing-page > div:nth-child(2) {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .billing-page > div:nth-child(2) > div {
    min-width: 0;
  }

  .billing-page > div:nth-child(2) > div:nth-child(2) > div:nth-child(3) {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .billing-page #paymentForm > div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .app-confirm-header h2 {
    font-size: 20px;
  }

  .app-confirm-details {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .app-confirm-details dd {
    margin-bottom: 8px;
    text-align: left;
  }

  .app-confirm-details dd:last-child {
    margin-bottom: 0;
    font-size: 20px;
  }
}

@media (max-width: 900px) {
  .settings-page [style*="grid-template-columns:1fr 1fr 1fr 1fr"],
  .settings-page [style*="grid-template-columns:1fr 1fr 1fr"],
  .settings-page [style*="grid-template-columns:2fr 1fr 1fr"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 560px) {
  .settings-page [style*="grid-template-columns:1fr 1fr"],
  .settings-page [style*="grid-template-columns:1fr 1fr 1fr 1fr"],
  .settings-page [style*="grid-template-columns:1fr 1fr 1fr"],
  .settings-page [style*="grid-template-columns:2fr 1fr 1fr"] {
    grid-template-columns: minmax(0, 1fr) !important;
  }
}

@media (max-width: 520px) {
  .header-right a[title="Open Kitchen Display"] {
    display: none;
  }
}