/**
 * DeepaApp - Internal Navigation (Sidebar & Top App Bar)
 * Material Design 3 (MD3) Scoped Theme
 * Brand Identity: Red #DD2229 & Deep Navy #06133E
 * Fully isolated from DataTables, Forms, Modals & Core Content
 */

:root {
  --md3-nav-primary: #DD2229;
  --md3-nav-primary-hover: #C51C22;
  --md3-nav-primary-tint: #FDE8E9;
  --md3-nav-primary-alpha: rgba(221, 34, 41, 0.08);

  --md3-nav-navy: #06133E;
  --md3-nav-navy-muted: #4A5568;
  --md3-nav-navy-subtle: #718096;

  --md3-nav-surface: #FFFFFF;
  --md3-nav-surface-dim: #F8F9FD;
  --md3-nav-surface-hover: #F1F5F9;
  --md3-nav-border: #E2E8F0;
  --md3-nav-border-subtle: #EDF2F7;

  --md3-nav-radius-sm: 8px;
  --md3-nav-radius-md: 10px;
  --md3-nav-radius-lg: 14px;
  --md3-nav-radius-pill: 9999px;

  --md3-nav-shadow-sm: 0 1px 3px rgba(6, 19, 62, 0.05), 0 1px 2px rgba(6, 19, 62, 0.03);
  --md3-nav-shadow-md: 0 4px 12px rgba(6, 19, 62, 0.08), 0 2px 4px rgba(6, 19, 62, 0.04);
  --md3-nav-shadow-lg: 0 12px 28px rgba(6, 19, 62, 0.12), 0 4px 8px rgba(6, 19, 62, 0.06);

  --md3-sidebar-width: 16.5rem;
  --md3-sidebar-collapsed-width: 4.75rem;
  --md3-header-height: 4rem;
}

/* ==========================================================================
   1. NAVIGATION DRAWER (SIDEBAR)
   ========================================================================== */

aside.side-bar {
  width: var(--md3-sidebar-width) !important;
  background-color: var(--md3-nav-surface) !important;
  border-inline-end: 1px solid var(--md3-nav-border) !important;
  display: flex !important;
  flex-direction: column !important;
  height: 100vh !important;
  position: relative !important;
  z-index: 100 !important;
  box-shadow: var(--md3-nav-shadow-sm) !important;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Sidebar Brand Header */
.md3-sidebar-brand {
  height: var(--md3-header-height);
  min-height: var(--md3-header-height);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--md3-nav-border-subtle);
  background-color: var(--md3-nav-surface);
  text-decoration: none !important;
}

.md3-sidebar-brand-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  text-decoration: none !important;
}

.md3-sidebar-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--md3-nav-radius-sm);
}

.md3-sidebar-brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.md3-brand-app-name {
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--md3-nav-navy);
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.md3-brand-business-name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--md3-nav-navy-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.md3-drawer-close-btn {
  display: none;
  background: transparent;
  border: none;
  padding: 0.5rem;
  color: var(--md3-nav-navy-muted);
  border-radius: var(--md3-nav-radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.md3-drawer-close-btn:hover {
  background-color: var(--md3-nav-surface-hover);
  color: var(--md3-nav-primary);
}

/* Sidebar Search Box */
.md3-sidebar-search {
  padding: 0.75rem 0.875rem 0.5rem;
  position: relative;
}

.md3-sidebar-search-inner {
  position: relative;
  display: flex;
  align-items: center;
}

.md3-sidebar-search-icon {
  position: absolute;
  inset-inline-start: 0.625rem;
  color: var(--md3-nav-navy-subtle);
  pointer-events: none;
  width: 16px;
  height: 16px;
}

.md3-menu-search-input {
  width: 100%;
  height: 34px;
  background-color: var(--md3-nav-surface-dim);
  border: 1px solid var(--md3-nav-border-subtle);
  border-radius: var(--md3-nav-radius-md);
  padding-inline-start: 2rem;
  padding-inline-end: 1.75rem;
  font-size: 0.8125rem;
  color: var(--md3-nav-navy);
  outline: none;
  transition: all 0.2s ease;
}

.md3-menu-search-input:focus {
  background-color: #FFFFFF;
  border-color: var(--md3-nav-primary);
  box-shadow: 0 0 0 3px rgba(221, 34, 41, 0.12);
}

.md3-search-clear-btn {
  position: absolute;
  inset-inline-end: 0.5rem;
  background: transparent;
  border: none;
  font-size: 1.125rem;
  line-height: 1;
  color: var(--md3-nav-navy-subtle);
  cursor: pointer;
  padding: 0 0.25rem;
}

.md3-search-clear-btn:hover {
  color: var(--md3-nav-primary);
}

/* Scrollable Menu Items Container */
#side-bar {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.5rem 0.625rem 1.5rem !important;
  border: none !important;
  scrollbar-width: thin;
  scrollbar-color: rgba(6, 19, 62, 0.15) transparent;
}

#side-bar::-webkit-scrollbar {
  width: 5px;
}

#side-bar::-webkit-scrollbar-thumb {
  background: rgba(6, 19, 62, 0.12);
  border-radius: var(--md3-nav-radius-pill);
}

#side-bar::-webkit-scrollbar-thumb:hover {
  background: rgba(6, 19, 62, 0.25);
}

/* Section Header Separator */
.md3-menu-header {
  padding: 0.75rem 0.75rem 0.25rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md3-nav-navy-subtle);
}

/* Nav Item (Single Link & Dropdown Toggle) */
.md3-nav-item,
.drop_down {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  padding: 0.5625rem 0.8125rem !important;
  margin: 0.1875rem 0 !important;
  border-radius: var(--md3-nav-radius-md) !important;
  color: var(--md3-nav-navy) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  cursor: pointer !important;
  border: 1px solid transparent !important;
  outline: none !important;
}

.md3-nav-item:hover,
.drop_down:hover {
  background-color: var(--md3-nav-surface-hover) !important;
  color: var(--md3-nav-navy) !important;
}

.md3-nav-item:focus-visible,
.drop_down:focus-visible {
  border-color: var(--md3-nav-primary) !important;
  box-shadow: 0 0 0 3px rgba(221, 34, 41, 0.15) !important;
}

/* Active Single Item */
.md3-nav-item.active,
.md3-nav-item[aria-current="page"] {
  background-color: var(--md3-nav-primary-tint) !important;
  color: var(--md3-nav-primary) !important;
  font-weight: 700 !important;
}

.md3-nav-item.active::before,
.md3-nav-item[aria-current="page"]::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 15%;
  bottom: 15%;
  width: 4px;
  background-color: var(--md3-nav-primary);
  border-radius: 0 4px 4px 0;
}

[dir="rtl"] .md3-nav-item.active::before,
[dir="rtl"] .md3-nav-item[aria-current="page"]::before {
  border-radius: 4px 0 0 4px;
}

/* Active Parent Dropdown */
.drop_down.active-parent {
  color: var(--md3-nav-primary) !important;
  font-weight: 600 !important;
  background-color: var(--md3-nav-primary-alpha) !important;
}

/* Icons in Nav Items */
.md3-nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: currentColor;
}

.md3-nav-icon svg {
  width: 20px;
  height: 20px;
}

.md3-nav-icon i {
  font-size: 1.125rem;
}

.nav-item-title {
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

/* Arrow in Dropdown Toggles */
.md3-nav-arrow,
.drop_down .svg {
  inset-inline-start: auto !important;
  margin-inline-start: auto !important;
  width: 16px !important;
  height: 16px !important;
  color: var(--md3-nav-navy-subtle) !important;
  flex-shrink: 0 !important;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.drop_down[aria-expanded="true"] .svg,
.drop_down.is-expanded .svg {
  transform: rotate(90deg);
}

[dir="rtl"] .drop_down[aria-expanded="true"] .svg,
[dir="rtl"] .drop_down.is-expanded .svg {
  transform: rotate(-90deg);
}

/* Submenu Container (chiled) */
.chiled,
.md3-nav-submenu {
  position: relative !important;
  padding: 0.125rem 0 0.375rem !important;
  margin: 0 !important;
  padding-inline-start: 1.25rem !important;
}

.md3-submenu-rail {
  position: absolute;
  top: 0;
  bottom: 0.5rem;
  inset-inline-start: 1.625rem;
  width: 2px;
  background-color: var(--md3-nav-border-subtle);
  border-radius: var(--md3-nav-radius-pill);
}

.md3-submenu-items {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  padding-inline-start: 0.875rem;
}

/* Submenu Links */
.md3-submenu-link {
  display: flex !important;
  align-items: center !important;
  gap: 0.625rem !important;
  padding: 0.4375rem 0.75rem !important;
  border-radius: var(--md3-nav-radius-sm) !important;
  color: var(--md3-nav-navy-muted) !important;
  font-size: 0.8125rem !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  transition: all 0.15s ease !important;
  position: relative !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
}

.md3-submenu-link:hover {
  background-color: var(--md3-nav-surface-hover) !important;
  color: var(--md3-nav-navy) !important;
}

.md3-submenu-link.active,
.md3-submenu-link[aria-current="page"] {
  background-color: var(--md3-nav-primary-tint) !important;
  color: var(--md3-nav-primary) !important;
  font-weight: 700 !important;
}

.md3-sub-bullet {
  width: 6px;
  height: 6px;
  background-color: var(--md3-nav-navy-subtle);
  border-radius: 50%;
  flex-shrink: 0;
}

.md3-submenu-link.active .md3-sub-bullet {
  background-color: var(--md3-nav-primary);
  box-shadow: 0 0 0 3px rgba(221, 34, 41, 0.2);
}

/* ==========================================================================
   2. COLLAPSED SIDEBAR (MINI STATE ON DESKTOP)
   ========================================================================== */

body.sidebar-collapse aside.side-bar,
aside.side-bar.collapsed {
  width: var(--md3-sidebar-collapsed-width) !important;
}

body.sidebar-collapse .md3-sidebar-brand-text,
aside.side-bar.collapsed .md3-sidebar-brand-text,
body.sidebar-collapse .md3-sidebar-search,
aside.side-bar.collapsed .md3-sidebar-search,
body.sidebar-collapse .nav-item-title,
aside.side-bar.collapsed .nav-item-title,
body.sidebar-collapse .md3-nav-arrow,
aside.side-bar.collapsed .md3-nav-arrow,
body.sidebar-collapse .chiled,
aside.side-bar.collapsed .chiled,
body.sidebar-collapse .md3-menu-header,
aside.side-bar.collapsed .md3-menu-header {
  display: none !important;
}

body.sidebar-collapse .md3-sidebar-brand,
aside.side-bar.collapsed .md3-sidebar-brand {
  justify-content: center !important;
  padding: 0 !important;
}

body.sidebar-collapse .md3-nav-item,
aside.side-bar.collapsed .md3-nav-item,
body.sidebar-collapse .drop_down,
aside.side-bar.collapsed .drop_down {
  justify-content: center !important;
  padding: 0.625rem !important;
  margin: 0.25rem 0.25rem !important;
}

body.sidebar-collapse .md3-nav-icon,
aside.side-bar.collapsed .md3-nav-icon {
  margin: 0 !important;
}

/* ==========================================================================
   3. MOBILE DRAWER (RESPONSIVE BEHAVIOR)
   ========================================================================== */

@media (max-width: 1023px) {
  aside.side-bar {
    position: fixed !important;
    top: 0 !important;
    bottom: 0 !important;
    height: 100vh !important;
    z-index: 1040 !important;
    max-width: 85vw !important;
    width: var(--md3-sidebar-width) !important;
    box-shadow: var(--md3-nav-shadow-lg) !important;
  }

  [dir="rtl"] aside.side-bar {
    right: 0 !important;
    left: auto !important;
    transform: translateX(100%) !important;
  }

  [dir="ltr"] aside.side-bar {
    left: 0 !important;
    right: auto !important;
    transform: translateX(-100%) !important;
  }

  aside.side-bar.small-view-side-active,
  aside.side-bar.is-open {
    display: flex !important;
    transform: translateX(0) !important;
  }

  .md3-drawer-close-btn {
    display: inline-flex !important;
  }

  body.drawer-open {
    overflow: hidden !important;
  }

  .overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: rgba(6, 19, 62, 0.45) !important;
    backdrop-filter: blur(2px) !important;
    z-index: 1030 !important;
    display: none;
  }
}

/* ==========================================================================
   4. TOP APP BAR (HEADER)
   ========================================================================== */

.md3-top-app-bar {
  background-color: var(--md3-nav-surface) !important;
  border-bottom: 1px solid var(--md3-nav-border) !important;
  min-height: var(--md3-header-height) !important;
  height: var(--md3-header-height) !important;
  display: flex !important;
  align-items: center !important;
  padding: 0 1.25rem !important;
  position: relative !important;
  z-index: 90 !important;
  box-shadow: var(--md3-nav-shadow-sm) !important;
  flex-shrink: 0 !important;
}

.md3-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 1rem;
}

/* Left / Start Controls */
.md3-header-start {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.md3-header-brand-context {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.md3-header-biz-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--md3-nav-navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

/* Right / End Controls */
.md3-header-end {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
  margin-inline-start: auto;
}

/* MD3 Header Icon Buttons */
.md3-header-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 38px !important;
  min-width: 38px !important;
  padding: 0 0.5rem !important;
  border-radius: var(--md3-nav-radius-md) !important;
  background-color: var(--md3-nav-surface-dim) !important;
  border: 1px solid var(--md3-nav-border-subtle) !important;
  color: var(--md3-nav-navy) !important;
  font-size: 0.8125rem !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  cursor: pointer !important;
  transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  outline: none !important;
}

.md3-header-btn:hover {
  background-color: var(--md3-nav-surface-hover) !important;
  border-color: var(--md3-nav-border) !important;
  color: var(--md3-nav-navy) !important;
}

.md3-header-btn:focus-visible {
  border-color: var(--md3-nav-primary) !important;
  box-shadow: 0 0 0 3px rgba(221, 34, 41, 0.15) !important;
}

.md3-header-btn svg {
  width: 20px;
  height: 20px;
}

/* Date Badge */
.md3-header-date-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  height: 36px;
  padding: 0 0.75rem;
  border-radius: var(--md3-nav-radius-md);
  background-color: var(--md3-nav-surface-dim);
  border: 1px solid var(--md3-nav-border-subtle);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--md3-nav-navy-muted);
  font-variant-numeric: tabular-nums;
  cursor: default;
}

/* Primary Commercial POS Action Button */
.md3-btn-pos {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  height: 40px !important;
  padding: 0 1.125rem !important;
  border-radius: var(--md3-nav-radius-pill) !important;
  background-color: var(--md3-nav-primary) !important;
  border: 1px solid transparent !important;
  color: #FFFFFF !important;
  font-size: 0.875rem !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(221, 34, 41, 0.28) !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  cursor: pointer !important;
}

.md3-btn-pos:hover {
  background-color: var(--md3-nav-primary-hover) !important;
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px rgba(221, 34, 41, 0.36) !important;
  transform: translateY(-1px);
}

.md3-btn-pos:active {
  transform: translateY(0);
}

.md3-btn-pos svg {
  width: 18px;
  height: 18px;
}

/* Notifications Badge */
.notifications-menu {
  position: relative;
  list-style: none;
}

.notifications_count {
  position: absolute;
  top: -4px;
  inset-inline-end: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background-color: var(--md3-nav-primary) !important;
  color: #FFFFFF !important;
  border-radius: var(--md3-nav-radius-pill);
  font-size: 0.6875rem !important;
  font-weight: 800 !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
}

.notifications_count:empty {
  display: none !important;
}

/* User Pill Button */
.md3-user-summary {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.625rem !important;
  height: 40px !important;
  padding: 0 0.75rem 0 0.375rem !important;
  background-color: var(--md3-nav-surface-dim) !important;
  border: 1px solid var(--md3-nav-border-subtle) !important;
  border-radius: var(--md3-nav-radius-pill) !important;
  color: var(--md3-nav-navy) !important;
  cursor: pointer !important;
  transition: all 0.18s ease !important;
  list-style: none !important;
}

.md3-user-summary:hover {
  background-color: var(--md3-nav-surface-hover) !important;
  border-color: var(--md3-nav-border) !important;
}

.md3-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--md3-nav-navy) 0%, #1A365D 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
}

.md3-user-name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--md3-nav-navy);
  white-space: nowrap;
}

.md3-user-chevron {
  width: 14px;
  height: 14px;
  color: var(--md3-nav-navy-subtle);
  transition: transform 0.2s ease;
}

details[open] .md3-user-chevron {
  transform: rotate(180deg);
}

/* Clean MD3 Dropdowns */
.md3-dropdown-menu {
  background-color: #FFFFFF !important;
  border-radius: var(--md3-nav-radius-lg) !important;
  box-shadow: var(--md3-nav-shadow-lg) !important;
  border: 1px solid var(--md3-nav-border) !important;
  padding: 0.5rem !important;
  min-width: 220px !important;
  z-index: 1050 !important;
  animation: md3DropdownSlideIn 0.18s cubic-bezier(0, 0, 0.2, 1);
}

@keyframes md3DropdownSlideIn {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.md3-dropdown-item {
  display: flex !important;
  align-items: center !important;
  gap: 0.625rem !important;
  padding: 0.625rem 0.875rem !important;
  border-radius: var(--md3-nav-radius-sm) !important;
  font-size: 0.8125rem !important;
  font-weight: 600 !important;
  color: var(--md3-nav-navy-muted) !important;
  text-decoration: none !important;
  transition: all 0.15s ease !important;
}

.md3-dropdown-item:hover {
  background-color: var(--md3-nav-surface-hover) !important;
  color: var(--md3-nav-navy) !important;
}

.md3-dropdown-item.danger {
  color: var(--md3-nav-primary) !important;
}

.md3-dropdown-item.danger:hover {
  background-color: var(--md3-nav-primary-tint) !important;
  color: var(--md3-nav-primary) !important;
}

.md3-dropdown-divider {
  height: 1px;
  background-color: var(--md3-nav-border-subtle);
  margin: 0.375rem 0;
}

/* ==========================================================================
   5. PRINT & MOTION PREFERENCES
   ========================================================================== */

@media print {
  aside.side-bar,
  .md3-top-app-bar,
  .overlay {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  aside.side-bar,
  .md3-nav-item,
  .md3-btn-pos,
  .md3-header-btn,
  .md3-nav-arrow,
  .md3-dropdown-menu {
    transition: none !important;
    animation: none !important;
  }
}