/* ==========================================================================
   Citymall Complex POS - Tablet-First Modern UI/UX Architecture
   Optimized specifically for Samsung Galaxy Tab A8 10.5" (1920x1200 / 1200x1920)
   ========================================================================== */

:root {
  /* Brand Color Palette - WCAG AA High Contrast */
  --pos-bg: #f8fafc;
  --pos-card-bg: #ffffff;
  --pos-card-border: #e2e8f0;
  --pos-sidebar-bg: #ffffff;
  --pos-sidebar-border: #e2e8f0;
  
  --pos-accent: #2563eb;
  --pos-accent-hover: #1d4ed8;
  --pos-accent-light: #eff6ff;
  --pos-accent-glow: rgba(37, 99, 235, 0.18);
  
  --pos-success: #059669;
  --pos-success-hover: #047857;
  --pos-success-light: #ecfdf5;
  
  --pos-warning: #d97706;
  --pos-warning-light: #fffbeb;
  
  --pos-danger: #dc2626;
  --pos-danger-hover: #b91c1c;
  --pos-danger-light: #fef2f2;
  
  --pos-info: #0284c7;
  --pos-info-light: #f0f9ff;
  
  --pos-text: #0f172a;
  --pos-text-secondary: #334155;
  --pos-text-muted: #64748b;
  --pos-border-light: #f1f5f9;

  /* Compact & Refined Tablet Dimension Tokens */
  --pos-sidebar-width: 215px;
  --pos-topbar-height: 50px;
  --pos-bottom-nav-height: 58px;
  
  /* Touch Target Standard Tokens (Sleek & Space-Efficient) */
  --pos-touch-target: 44px;
  --pos-touch-min: 40px;
  --pos-touch-input-height: 42px;
  
  /* Border Radius System */
  --pos-radius-sm: 0.4rem;
  --pos-radius-md: 0.65rem;
  --pos-radius-lg: 0.85rem;
  --pos-radius-xl: 1rem;

  /* Safe Area Insets for Android WebView & Tablets */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

/* Global Reset & Touch Optimization */
*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

/* Apply touch manipulation strictly to actionable buttons and links */
button, .btn, .nav-link, .dropdown-item, .form-check-input, .mobile-nav-link {
  touch-action: manipulation;
}

html {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background-color: var(--pos-bg);
  color: var(--pos-text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  font-size: 15px;
  line-height: 1.6;
}

/* Fast, Fluid & Ultra-Smooth Native Scrolling for all scrollable containers */
.modal-body,
.modal-dialog-scrollable .modal-body,
.table-responsive,
.agr-table-responsive,
.shops-table-responsive,
.pos-shop-grid-scroll-wrap,
#pos-content,
.pos-container,
.overflow-auto,
.overflow-x-auto,
.overflow-y-auto,
.nav-pos,
.scrollable-tabs-bar {
  -webkit-overflow-scrolling: touch !important;
  scroll-behavior: smooth;
  touch-action: pan-x pan-y !important;
  overscroll-behavior-x: contain !important;
  overscroll-behavior-y: auto !important;
  scrollbar-width: thin;
  scrollbar-color: #94a3b8 #f1f5f9;
}

/* Horizontal Only Tab Bars */
.scrollable-tabs-bar,
#floor-tabs-container {
  touch-action: pan-x !important;
  overscroll-behavior-x: contain !important;
}

/* GPU Composite Layer Isolation for fixed/sticky headers to eliminate scroll repaints */
.top-bar,
.mobile-app-bottom-nav,
#pos-sidebar,
.settings-nav-bar,
.settings-floating-save-bar,
.tablet-sticky-bottom {
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Custom Sleek Dual-Axis Scrollbars (Horizontal & Vertical) */
.modal-body::-webkit-scrollbar,
.table-responsive::-webkit-scrollbar,
.agr-table-responsive::-webkit-scrollbar,
.shops-table-responsive::-webkit-scrollbar,
.pos-shop-grid-scroll-wrap::-webkit-scrollbar,
#pos-content::-webkit-scrollbar,
.scrollable-tabs-bar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.modal-body::-webkit-scrollbar-track,
.table-responsive::-webkit-scrollbar-track,
.agr-table-responsive::-webkit-scrollbar-track,
.shops-table-responsive::-webkit-scrollbar-track,
.pos-shop-grid-scroll-wrap::-webkit-scrollbar-track,
#pos-content::-webkit-scrollbar-track,
.scrollable-tabs-bar::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 8px;
}
.modal-body::-webkit-scrollbar-thumb,
.table-responsive::-webkit-scrollbar-thumb,
.agr-table-responsive::-webkit-scrollbar-thumb,
.shops-table-responsive::-webkit-scrollbar-thumb,
.pos-shop-grid-scroll-wrap::-webkit-scrollbar-thumb,
#pos-content::-webkit-scrollbar-thumb,
.scrollable-tabs-bar::-webkit-scrollbar-thumb {
  background-color: #94a3b8;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}
.modal-body::-webkit-scrollbar-thumb:hover,
.table-responsive::-webkit-scrollbar-thumb:hover,
.agr-table-responsive::-webkit-scrollbar-thumb:hover,
.shops-table-responsive::-webkit-scrollbar-thumb:hover,
.pos-shop-grid-scroll-wrap::-webkit-scrollbar-thumb:hover,
#pos-content::-webkit-scrollbar-thumb:hover,
.scrollable-tabs-bar::-webkit-scrollbar-thumb:hover {
  background-color: #64748b;
}

/* Sticky Headers for Long Tables with Smooth Elevation */
.sticky-table-header thead th,
.table-sticky thead th,
.agr-table thead th,
.table-pos thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background-color: #f8fafc !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Smooth Focus Ring for Accessibility */
:focus-visible {
  outline: 2px solid var(--pos-accent);
  outline-offset: 2px;
}

/* ==========================================================================
   1. LAYOUT SHELL: Landscape (Persistent Sidebar) vs Portrait (Drawer)
   ========================================================================== */

#app-wrapper {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  position: relative;
  background-color: var(--pos-bg);
}

/* Galaxy Tab A8 Landscape & Desktop View (>= 992px) */
@media (min-width: 992px) {
  #pos-sidebar.offcanvas-lg {
    width: var(--pos-sidebar-width);
    height: 100vh;
    height: 100dvh;
    position: fixed;
    top: 0;
    left: 0;
    transform: none !important;
    visibility: visible !important;
    border-right: 1px solid var(--pos-sidebar-border);
    z-index: 1030;
    display: flex;
    flex-direction: column;
    background-color: var(--pos-sidebar-bg);
    box-shadow: 2px 0 12px rgba(15, 23, 42, 0.04);
  }

  #pos-content {
    margin-left: var(--pos-sidebar-width);
    width: calc(100% - var(--pos-sidebar-width));
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    padding-bottom: 2rem;
    flex-grow: 1;
    overflow-y: visible;
  }

  .mobile-app-bottom-nav {
    display: none !important;
  }
}

/* Galaxy Tab A8 Portrait & Mobile View (< 992px) */
@media (max-width: 991.98px) {
  #pos-sidebar.offcanvas-lg {
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    background-color: var(--pos-sidebar-bg);
    z-index: 1060;
    box-shadow: 6px 0 30px rgba(15, 23, 42, 0.2);
  }

  #pos-content {
    margin-left: 0 !important;
    width: 100% !important;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    padding-bottom: calc(var(--pos-bottom-nav-height) + var(--safe-bottom) + 16px) !important;
    flex-grow: 1;
    overflow-y: visible;
  }

  .mobile-app-bottom-nav {
    display: block !important;
  }
}

/* ==========================================================================
   2. SIDEBAR NAVIGATION
   ========================================================================== */

.brand {
  min-height: var(--pos-topbar-height);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: #ffffff;
}

.brand img {
  max-height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-pos {
  padding: 0.75rem 0.65rem;
  overflow-y: auto;
  flex-grow: 1;
  -webkit-overflow-scrolling: touch;
}

.nav-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  padding: 0.75rem 0.85rem 0.35rem 0.85rem;
  margin-top: 0.35rem;
}

.nav-pos .nav-link {
  color: #475569;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.7rem 0.85rem;
  margin-bottom: 0.25rem;
  border-radius: var(--pos-radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: var(--pos-touch-min);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  text-decoration: none;
}

.nav-pos .nav-link:hover {
  color: var(--pos-accent);
  background-color: var(--pos-border-light);
}

.nav-pos .nav-link.active {
  color: #ffffff;
  background-color: var(--pos-accent);
  box-shadow: 0 4px 14px var(--pos-accent-glow);
}

.nav-pos .nav-link i {
  font-size: 1.25rem;
  width: 26px;
  text-align: center;
  line-height: 1;
}

.user-profile-bar {
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--pos-sidebar-border);
  background-color: #f8fafc;
}

/* ==========================================================================
   3. STICKY TOPBAR HEADER
   ========================================================================== */

.top-bar {
  min-height: var(--pos-topbar-height);
  padding: 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pos-card-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.topbar-page-title {
  font-size: clamp(1rem, 1.3vw, 1.25rem);
  font-weight: 700;
  color: var(--pos-text);
  margin: 0;
  line-height: 1.2;
}

.top-bar-btn {
  height: var(--pos-touch-min) !important;
  padding: 0 1rem !important;
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  border-radius: var(--pos-radius-sm) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.45rem !important;
  white-space: nowrap !important;
  text-decoration: none !important;
}

@media (max-width: 576px) {
  .top-bar {
    padding: 0.4rem 0.75rem;
  }
  .topbar-page-title {
    font-size: 0.98rem;
    max-width: 150px;
  }
  .top-bar-btn {
    height: 38px !important;
    padding: 0 0.65rem !important;
    font-size: 0.82rem !important;
  }
}

.pos-container {
  padding: 1.25rem;
  flex-grow: 1;
}

@media (max-width: 768px) {
  .pos-container {
    padding: 0.85rem 0.65rem;
  }
}

/* ==========================================================================
   4. BOTTOM NAVIGATION BAR (Tablet Portrait / Mobile)
   ========================================================================== */

.mobile-app-bottom-nav {
  height: calc(var(--pos-bottom-nav-height) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: rgba(255, 255, 255, 0.98) !important;
  z-index: 1040;
  box-shadow: 0 -4px 25px rgba(15, 23, 42, 0.08) !important;
  border-top: 1px solid var(--pos-card-border);
}

.mobile-nav-link {
  color: #64748b;
  text-decoration: none;
  padding: 0.35rem 0.25rem;
  min-height: var(--pos-touch-target);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.mobile-nav-link i {
  line-height: 1;
  font-size: 1.35rem;
  margin-bottom: 2px;
  transition: transform 0.2s ease;
}

.mobile-nav-label {
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
}

.mobile-nav-link.active {
  color: var(--pos-accent) !important;
}

.mobile-nav-link.active i {
  transform: translateY(-2px);
}

.mobile-nav-link:active {
  transform: scale(0.94);
}

/* ==========================================================================
   5. CARDS & KPI METRIC WIDGETS
   ========================================================================== */

.pos-card {
  background-color: var(--pos-card-bg);
  border: 1px solid var(--pos-card-border);
  border-radius: var(--pos-radius-md);
  padding: 0.85rem 1rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03), 0 1px 2px rgba(15, 23, 42, 0.02);
  transition: box-shadow 0.2s ease, transform 0.15s ease;
  position: relative;
}

.pos-card:hover {
  box-shadow: 0 6px 18px -3px rgba(15, 23, 42, 0.06);
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
}

.metric-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--pos-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.metric-icon.primary { background: var(--pos-accent-light); color: var(--pos-accent); }
.metric-icon.success { background: var(--pos-success-light); color: var(--pos-success); }
.metric-icon.warning { background: var(--pos-warning-light); color: var(--pos-warning); }
.metric-icon.danger  { background: var(--pos-danger-light);  color: var(--pos-danger); }
.metric-icon.info    { background: var(--pos-info-light);    color: var(--pos-info); }

.metric-val {
  font-size: clamp(1.25rem, 1.6vw, 1.55rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--pos-text);
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.74rem;
  color: var(--pos-text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

@media (max-width: 576px) {
  .metric-card {
    gap: 0.55rem;
    padding: 0.75rem 0.65rem;
  }
  .metric-icon {
    width: 38px;
    height: 38px;
    font-size: 1.15rem;
  }
  .metric-val {
    font-size: 1.18rem;
  }
  .metric-label {
    font-size: 0.68rem;
  }
}

/* ==========================================================================
   6. TOUCH-FRIENDLY BUTTONS & CONTROLS (Standard >= 40px - 44px)
   ========================================================================== */

.btn {
  font-weight: 600;
  border-radius: var(--pos-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: var(--pos-touch-min);
  padding: 0.45rem 0.85rem;
  font-size: 0.88rem;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-pos-touch {
  min-height: var(--pos-touch-target);
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
}

.btn-pos-lg {
  min-height: 46px;
  padding: 0.65rem 1.25rem;
  font-size: 0.98rem;
  border-radius: var(--pos-radius-md);
}

.btn-sm {
  min-height: 36px;
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
}

.btn-primary-pos {
  background-color: var(--pos-accent);
  color: #ffffff;
  border: 1px solid transparent;
}
.btn-primary-pos:hover, .btn-primary-pos:focus {
  background-color: var(--pos-accent-hover);
  color: #ffffff;
  box-shadow: 0 4px 12px var(--pos-accent-glow);
}

.btn-success-pos {
  background-color: var(--pos-success);
  color: #ffffff;
  border: 1px solid transparent;
}
.btn-success-pos:hover, .btn-success-pos:focus {
  background-color: var(--pos-success-hover);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

/* ==========================================================================
   7. TOUCH FORM CONTROLS & INPUTS (42px Height Base)
   ========================================================================== */

.form-control-pos,
.form-select-pos,
.form-control,
.form-select {
  background-color: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--pos-text);
  padding: 0.45rem 0.75rem;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--pos-radius-sm);
  min-height: var(--pos-touch-input-height);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control-pos:focus,
.form-select-pos:focus,
.form-control:focus,
.form-select:focus {
  background-color: #ffffff;
  border-color: var(--pos-accent);
  color: var(--pos-text);
  box-shadow: 0 0 0 3px var(--pos-accent-glow);
}

.form-control-sm,
.form-select-sm {
  min-height: 36px;
  font-size: 0.84rem;
  padding: 0.35rem 0.65rem;
}

.form-label-pos,
.form-label {
  color: var(--pos-text-secondary);
  font-weight: 600;
  font-size: 0.82rem;
  margin-bottom: 0.25rem;
  display: block;
}

/* Custom Checkbox and Radio Touch Targets */
.form-check-input {
  width: 1.25em;
  height: 1.25em;
  margin-top: 0.15em;
  cursor: pointer;
}

.form-check-label {
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  padding-left: 0.25rem;
}

/* ==========================================================================
   8. SHOP TOUCH SELECTOR GRID & CARDS
   ========================================================================== */

.shop-touch-card {
  background-color: #ffffff;
  border: 2px solid var(--pos-card-border);
  border-radius: var(--pos-radius-md);
  padding: 0.85rem 0.65rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 105px;
}

.shop-touch-card:hover {
  border-color: var(--pos-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.12);
}

.shop-touch-card.selected {
  border-color: var(--pos-accent) !important;
  background-color: var(--pos-accent-light) !important;
  box-shadow: 0 0 0 3px var(--pos-accent-glow) !important;
}

.shop-code-badge {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--pos-text);
  margin-bottom: 0.2rem;
  line-height: 1.2;
}

.shop-tenant-name {
  font-size: 0.82rem;
  color: var(--pos-text-muted);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Status Badges */
.badge-status {
  font-size: 0.72rem;
  padding: 0.35em 0.75em;
  border-radius: 0.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  display: inline-block;
}

.badge-occupied { background-color: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.badge-vacant   { background-color: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.badge-reserved { background-color: #cff4fc; color: #055160; border: 1px solid #9eeaf9; }
.badge-expired  { background-color: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.badge-notice   { background-color: #f3e8ff; color: #6b21a8; border: 1px solid #e9d5ff; }
.badge-blocked  { background-color: #e2e8f0; color: #334155; border: 1px solid #cbd5e1; }

/* ==========================================================================
   9. RESPONSIVE TABLES WITH TOUCH SCROLL & STICKY HEADERS
   ========================================================================== */

.table-responsive {
  border-radius: var(--pos-radius-md);
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pos-card-border);
  background: #ffffff;
}

.table-pos {
  color: var(--pos-text);
  vertical-align: middle;
  width: 100%;
  margin-bottom: 0;
}

.table-pos thead th {
  background-color: #f8fafc;
  color: #475569;
  font-weight: 700;
  border-bottom: 2px solid var(--pos-card-border);
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
}

.table-pos tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--pos-card-border);
  background-color: #ffffff;
  font-size: 0.92rem;
  min-height: 52px;
}

.table-pos tbody tr:last-child td {
  border-bottom: none;
}

.table-pos tbody tr:hover td {
  background-color: #f8fafc;
}

/* ==========================================================================
   10. MODALS OPTIMIZED FOR GALAXY TAB A8 VIEWPORT
   ========================================================================== */

.modal-dialog {
  max-width: min(92vw, 860px);
  margin: 1.25rem auto;
}

.modal-dialog.modal-lg,
.modal-dialog.modal-xl {
  max-width: min(94vw, 940px);
}

.modal-content-pos,
.modal-content {
  background-color: #ffffff;
  border: 1px solid var(--pos-card-border);
  color: var(--pos-text);
  border-radius: var(--pos-radius-lg);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  overflow: hidden;
  max-height: 90dvh;
  display: flex;
  flex-direction: column;
}

.modal-header-pos,
.modal-header {
  border-bottom: 1px solid var(--pos-card-border);
  padding: 1rem 1.35rem;
  background-color: #f8fafc;
  flex-shrink: 0;
}

.modal-body {
  padding: 1.35rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex-grow: 1;
}

.modal-footer-pos,
.modal-footer {
  border-top: 1px solid var(--pos-card-border);
  padding: 0.85rem 1.35rem;
  background-color: #f8fafc;
  flex-shrink: 0;
}

@media (max-width: 576px) {
  .modal-dialog {
    margin: 0.5rem;
    max-width: calc(100vw - 1rem);
  }
  .modal-header-pos, .modal-header,
  .modal-footer-pos, .modal-footer {
    padding: 0.75rem 1rem;
  }
  .modal-body {
    padding: 1rem 0.85rem;
  }
}

/* ==========================================================================
   11. TOAST NOTIFICATION SYSTEM
   ========================================================================== */

#toast-container {
  position: fixed;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

@media (min-width: 768px) {
  #toast-container {
    top: 20px;
    right: 20px;
    max-width: 400px;
    width: 100%;
  }
}

@media (max-width: 767.98px) {
  #toast-container {
    bottom: calc(var(--pos-bottom-nav-height) + var(--safe-bottom) + 12px);
    left: 12px;
    right: 12px;
    width: auto;
  }
}

.pos-custom-toast {
  pointer-events: auto;
  background: #ffffff;
  border-radius: var(--pos-radius-md);
  padding: 12px 16px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.16), 0 2px 6px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--pos-card-border);
  border-left: 5px solid var(--pos-accent);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  position: relative;
  overflow: hidden;
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.pos-custom-toast.toast-success { border-left-color: var(--pos-success); }
.pos-custom-toast.toast-danger  { border-left-color: var(--pos-danger); }
.pos-custom-toast.toast-warning { border-left-color: var(--pos-warning); }
.pos-custom-toast.toast-info    { border-left-color: var(--pos-info); }

.pos-custom-toast .toast-icon {
  font-size: 1.35rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 1px;
}

.pos-custom-toast.toast-success .toast-icon { color: var(--pos-success); }
.pos-custom-toast.toast-danger  .toast-icon { color: var(--pos-danger); }
.pos-custom-toast.toast-warning .toast-icon { color: var(--pos-warning); }
.pos-custom-toast.toast-info    .toast-icon { color: var(--pos-info); }

.pos-custom-toast .toast-content {
  flex-grow: 1;
}

.pos-custom-toast .toast-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--pos-text);
  margin-bottom: 2px;
}

.pos-custom-toast .toast-text {
  font-size: 0.85rem;
  color: #475569;
  line-height: 1.4;
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==========================================================================
   12. HORIZONTAL KINETIC SCROLL BARS (No Ugly Scrollbars)
   ========================================================================== */

.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.scrollable-tabs-bar {
  display: flex;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  gap: 0.4rem;
  padding-bottom: 4px;
}

.scrollable-tabs-bar .btn,
.scrollable-tabs-bar .nav-link {
  min-height: 38px;
  flex-shrink: 0;
}

/* ==========================================================================
   13. SPECIFIC ENHANCEMENTS FOR SAMSUNG GALAXY TAB A8 (1200px - 1920px)
   ========================================================================== */

@media (min-width: 1200px) and (max-width: 1920px) {
  /* Container Breathing Room */
  .container-fluid {
    padding-left: 1.5rem !important;
    padding-right: 1.5rem !important;
  }

  /* 4 KPI Cards in 1 Row */
  .dash-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }

  /* POS Collect 2-Column Balance */
  .pos-collect-grid {
    display: grid;
    grid-template-columns: 42% 58%;
    gap: 1.25rem;
    align-items: start;
  }

  /* Shop Touch Grid Matrix */
  #shop-touch-grid {
    max-height: calc(100dvh - 340px) !important;
  }
}

/* ==========================================================================
   14. PRINT OPTIMIZATION (Thermal 80mm & A4 Agreement)
   ========================================================================== */

@media print {
  body * {
    visibility: hidden;
  }
  #printable-receipt,
  #printable-receipt *,
  .printable-agreement-doc,
  .printable-agreement-doc * {
    visibility: visible;
  }
  #printable-receipt {
    position: absolute;
    left: 0;
    top: 0;
    width: 80mm;
    padding: 8px;
    background: #fff !important;
    color: #000 !important;
    font-family: "Courier New", monospace;
  }
  .no-print {
    display: none !important;
  }
}

/* ==========================================================================
   15. MODAL & FORM SMOOTH SCROLLING (Desktop, Tablet & Mobile)
   ========================================================================== */
/* Prevent outer modal backdrop from stealing touch scroll momentum */
.modal {
  overflow-x: hidden !important;
  overflow-y: hidden !important;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: none !important;
  overscroll-behavior: none !important;
}

.modal-dialog-scrollable {
  height: calc(100% - 2rem) !important;
  max-height: calc(100% - 2rem) !important;
  margin: 1rem auto !important;
  overscroll-behavior-y: none !important;
  overscroll-behavior: none !important;
}

.modal-dialog-scrollable .modal-content,
.modal-dialog-scrollable form.modal-content {
  height: 100% !important;
  max-height: 100% !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  overscroll-behavior-y: none !important;
  overscroll-behavior: none !important;
}

.modal-dialog-scrollable .modal-body,
#assignTenantGlobalModal .modal-body,
#tenantLedgerGlobalModal .modal-body,
#tenantModal .modal-body,
#assignTenantModal .modal-body,
#agreementModal .modal-body,
#agreementViewerModal .modal-body,
#docUploadGlobalModal .modal-body {
  overflow-y: auto !important;
  overflow-x: hidden !important;
  -webkit-overflow-scrolling: touch !important;
  overscroll-behavior-y: none !important;
  overscroll-behavior: none !important;
  padding: 1rem 1.25rem;
  flex: 1 1 auto !important;
  min-height: 0 !important;
}

.modal-content-pos {
  border-radius: var(--pos-radius-lg);
  border: 1px solid var(--pos-card-border);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Custom Modal Scrollbar */
.modal-body::-webkit-scrollbar,
.wizard-steps-bar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.modal-body::-webkit-scrollbar-track,
.wizard-steps-bar::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 4px;
}
.modal-body::-webkit-scrollbar-thumb,
.wizard-steps-bar::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
.modal-body::-webkit-scrollbar-thumb:hover,
.wizard-steps-bar::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* ==========================================================================
   ANDROID TABLET, IPAD & TOUCH POS TERMINAL OPTIMIZATIONS
   ========================================================================== */

/* Clean Touch Behavior & Fast Tap */
html, body {
  -webkit-tap-highlight-color: transparent;
  -webkit-text-size-adjust: 100%;
}

/* Tablet Wide & Compact Screen Optimizations (iPad 768px-1024px, Galaxy Tab A8 800px-1200px, 10.5" Tablets) */
@media (min-width: 768px) and (max-width: 1200px) {
  :root {
    --pos-sidebar-width: 210px;
    --pos-topbar-height: 50px;
    --pos-touch-min: 40px;
    --pos-touch-target: 44px;
    --pos-touch-input-height: 42px;
  }

  #app-wrapper {
    display: flex;
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    overflow-x: hidden;
  }

  #pos-sidebar.offcanvas-lg {
    width: 210px !important;
  }

  #pos-content {
    margin-left: 210px !important;
    width: calc(100% - 210px) !important;
    flex: 1 1 auto;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
  }

  .pos-container {
    padding: 0.75rem 0.85rem !important;
  }

  .pos-card {
    padding: 0.85rem 1rem !important;
    border-radius: var(--pos-radius-md) !important;
  }

  .top-bar {
    min-height: 50px !important;
    padding: 0.4rem 0.85rem !important;
  }

  .topbar-page-title {
    font-size: 1.05rem !important;
  }

  /* Compact KPI & Metric cards */
  .metric-card {
    padding: 0.75rem 0.85rem !important;
    gap: 0.65rem !important;
  }
  .metric-icon {
    width: 42px !important;
    height: 42px !important;
    font-size: 1.3rem !important;
  }
  .metric-val {
    font-size: 1.35rem !important;
  }
  .metric-label {
    font-size: 0.72rem !important;
  }

  /* Responsive Touch Inputs & Buttons */
  .btn,
  .btn-pos-touch,
  .btn-primary-pos,
  .btn-success-pos {
    min-height: 40px !important;
    padding: 0.45rem 0.85rem !important;
    font-size: 0.88rem !important;
  }

  .btn-pos-lg {
    min-height: 44px !important;
    font-size: 0.95rem !important;
    padding: 0.55rem 1.15rem !important;
  }

  .form-control-pos,
  .form-select-pos,
  .form-control,
  .form-select {
    min-height: 42px !important;
    padding: 0.4rem 0.75rem !important;
    font-size: 0.92rem !important;
  }

  .form-label-pos {
    font-size: 0.8rem !important;
    margin-bottom: 0.25rem !important;
  }

  /* Compact Table Padding */
  .table-responsive {
    -webkit-overflow-scrolling: touch;
    overflow-x: auto;
  }

  .table-pos tbody td,
  .table-pos thead th {
    padding: 0.5rem 0.65rem !important;
    font-size: 0.84rem !important;
  }

  /* Modals Compact on Tablet */
  .modal-dialog {
    max-width: 92vw !important;
    margin: 1.25rem auto !important;
  }

  .modal-header-pos,
  .modal-footer-pos {
    padding: 0.65rem 1rem !important;
  }

  .modal-body {
    max-height: calc(100vh - 140px) !important;
    padding: 0.85rem 1rem !important;
  }

  /* Compact Nav items */
  .nav-pos .nav-link {
    font-size: 0.86rem !important;
    padding: 0.55rem 0.75rem !important;
    min-height: 38px !important;
  }

  /* Quick Actions Bar Tablet Float */
  .tablet-sticky-bottom {
    position: sticky;
    bottom: 0;
    z-index: 1020;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid #e2e8f0;
    padding: 0.65rem 0.85rem;
  }
}

/* Safe Area Inset for Edge-to-Edge Android APK Navigation Bar */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
}

/* Standalone APK Fullscreen Tweaks */
@media all and (display-mode: standalone) {
  body {
    user-select: none;
  }
  input, textarea, select {
    user-select: text;
  }
}