/* ==========================================================================
   Modern Minimal Flat Sidebar Navigation
   ========================================================================== */

:root {
  /* Sidebar Design Tokens */
  --sidebar-bg: #ffffff;
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --sidebar-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --sidebar-border: 1px solid rgba(0, 0, 0, 0.06);
  
  /* Colors */
  --nav-default-font-color: #374151;
  --nav-muted-color: #6b7280;
  --item-hover-bg: #f8f9fc;
  --selected-accent: #4f46e5;
  --selected-bg: #eef2ff;
  --selected-text: #4338ca;
  --selected-parent-bg: #4f46e5;
  --selected-parent-text: #ffffff;
  
  /* Border & Effects */
  --border-color: #e5e7eb;
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  
  /* Navbar */
  --accent-color: #4f46e5;
  --accent-hover-color: #4338ca;
  --unread-notification-color: #ef4444;
}

/* ==========================================================================
   Base Sidebar Styles
   ========================================================================== */

.side-nav {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: var(--sidebar-border);
  padding: 8px 0;
  transition: width var(--transition-normal), 
              min-width var(--transition-normal),
              transform var(--transition-normal),
              box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 100px);
}

[dir="rtl"] .side-nav {
  border-right: none;
  border-left: var(--sidebar-border);
}

/* ==========================================================================
   Navigation Toggle Button
   ========================================================================== */

.nav-toggle-container {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  padding: 8px 16px 16px;
}

.side-nav.collapsed .nav-toggle-container {
  justify-content: center;
  padding: 8px 12px 16px;
}

.nav-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--item-hover-bg);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-toggle-btn:hover {
  background: var(--selected-bg);
  border-color: var(--selected-accent);
}

.nav-toggle-btn:active {
  transform: scale(0.95);
}

.side-nav img {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-normal);
  opacity: 0.7;
}

.nav-toggle-btn:hover img {
  opacity: 1;
}

.collapsed-arrow {
  display: none;
}

.side-nav.collapsed .collapsed-arrow {
  display: block;
  width: 20px;
  height: 20px;
}

.side-nav.collapsed .not-collapsed-arrow {
  display: none;
}

[dir="rtl"] .nav-toggle-container img {
  transform: rotate(180deg);
}

[dir="rtl"] .side-nav.collapsed .nav-toggle-container .collapsed-arrow {
  transform: rotate(0deg);
}

[dir="ltr"] .side-nav.collapsed .nav-toggle-container .collapsed-arrow {
  transform: rotate(180deg);
}

.side-nav.collapsed .nav-toggle-btn {
  width: 44px;
  height: 44px;
  background: var(--selected-bg);
  border-color: var(--selected-accent);
}

/* ==========================================================================
   Menu List & Items
   ========================================================================== */

.side-nav .modules {
  list-style: none;
  padding: 0 12px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.side-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-nav .modules li {
  width: 100%;
  list-style: none;
}

/* Parent Menu Items */
.side-nav .modules li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  min-height: 48px;
  text-decoration: none;
  color: var(--nav-default-font-color);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--border-radius-md);
  transition: background var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
  position: relative;
}

.side-nav .modules li a:not(.selected-menu a):not(.selected-parent-menu) {
  color: var(--nav-default-font-color);
}

/* Hover State */
.side-nav .modules li a:hover:not(.selected-parent-menu) {
  background: var(--item-hover-bg);
  color: var(--nav-default-font-color);
}

/* Parent Text Container */
.module-parent-text {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.module-parent-text p {
  margin: 0 !important;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--transition-normal);
}

/* Menu Icons */
.main-menu-icon {
  font-size: 20px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--nav-muted-color);
  transition: color var(--transition-fast);
}

.side-nav .modules li a:hover .main-menu-icon {
  color: var(--selected-accent);
}

/* ==========================================================================
   Selected States
   ========================================================================== */

/* Selected Parent Menu */
.selected-parent-menu {
  background: var(--selected-parent-bg) !important;
  color: var(--selected-parent-text) !important;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.25);
}

.selected-parent-menu .module-parent-text {
  font-weight: 600;
  color: var(--selected-parent-text);
}

.selected-parent-menu .main-menu-icon {
  color: var(--selected-parent-text) !important;
}

.selected-parent-menu.dropdown-toggle::after {
  border-top-color: var(--selected-parent-text);
}

/* Selected Child Menu */
.selected-menu {
  background: var(--selected-bg);
  border-radius: var(--border-radius-md);
  position: relative;
}

.selected-menu::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--selected-accent);
  border-radius: 0 4px 4px 0;
}

[dir="rtl"] .selected-menu::before {
  left: auto;
  right: 0;
  border-radius: 4px 0 0 4px;
}

.selected-menu a {
  color: var(--selected-text) !important;
  font-weight: 600;
}

/* Child Menu Items */
.module-child {
  margin-left: 8px;
}

[dir="rtl"] .module-child {
  margin-left: 0;
  margin-right: 8px;
}

.module-child-text {
  padding-left: 36px !important;
  font-size: 13px !important;
  color: var(--nav-muted-color) !important;
}

[dir="rtl"] .module-child-text {
  padding-left: 14px !important;
  padding-right: 36px !important;
}

.module-child-text:hover {
  color: var(--nav-default-font-color) !important;
}

/* ==========================================================================
   Collapsed State
   ========================================================================== */

.side-nav.collapsed {
  width: var(--sidebar-collapsed-width);
  min-width: var(--sidebar-collapsed-width);
}

.side-nav.collapsed .modules {
  padding: 0 8px;
}

.side-nav.collapsed p {
  opacity: 0;
  width: 0;
  overflow: hidden;
  display: none;
}

.side-nav.collapsed .module-child {
  display: none;
}

.side-nav.collapsed a::after {
  display: none;
}

.side-nav.collapsed .module-parent {
  justify-content: center;
  padding: 12px;
  min-width: auto;
}

.side-nav.collapsed .module-parent-text {
  justify-content: center;
}

.side-nav.collapsed .main-menu-icon {
  font-size: 22px;
  width: 28px;
  height: 28px;
}

/* ==========================================================================
   Tooltip (Collapsed State)
   ========================================================================== */

.side-nav .custom-tooltip {
  position: fixed;
  background: var(--sidebar-bg);
  border-radius: var(--border-radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border: var(--sidebar-border);
  padding: 0;
  z-index: 10001;
  min-width: 220px;
  max-width: 280px;
  max-height: 320px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: tooltipFadeIn 150ms ease;
}

@keyframes tooltipFadeIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

[dir="rtl"] .side-nav .custom-tooltip {
  animation-name: tooltipFadeInRTL;
}

@keyframes tooltipFadeInRTL {
  from {
    opacity: 0;
    transform: translateX(8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.side-nav .tooltip-header {
  padding: 14px 16px;
  font-weight: 600;
  font-size: 14px;
  color: var(--nav-default-font-color);
  background: var(--item-hover-bg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.side-nav .tooltip-content {
  padding: 8px 0;
  flex-grow: 1;
  overflow-y: auto;
}

.side-nav .tooltip-item {
  display: block;
  padding: 10px 16px;
  color: var(--nav-muted-color);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.side-nav .tooltip-item:hover {
  background: var(--selected-bg);
  color: var(--selected-accent);
  text-decoration: none;
}

.side-nav .module-parent {
  cursor: pointer;
}

.side-nav .active-tooltip {
  background: var(--selected-bg);
}

.side-nav .active-tooltip .main-menu-icon {
  color: var(--selected-accent);
}

/* ==========================================================================
   Mobile Backdrop
   ========================================================================== */

.sidebar-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.sidebar-backdrop.visible {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   Top Navigation
   ========================================================================== */

/* ==========================================================================
   Mobile Menu Toggle (Hamburger Button)
   ========================================================================== */

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--item-hover-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--nav-default-font-color);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.mobile-menu-toggle:hover {
  background: var(--selected-bg);
  border-color: var(--selected-accent);
  color: var(--selected-accent);
}

.mobile-menu-toggle:active {
  transform: scale(0.95);
}

[dir="rtl"] .mobile-menu-toggle {
  margin-right: 0;
  margin-left: 12px;
}

@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: flex;
    margin-right: 12px;
  }
  
  [dir="rtl"] .mobile-menu-toggle {
    margin-right: 0;
    margin-left: 12px;
  }
}

.top-nav-logo {
  width: 153px;
  height: 40px;
  object-fit: contain;
}

.top-nav-profile:not(.mobile-user-img img) {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border: 2px solid var(--border-color);
  transition: border-color var(--transition-fast);
}

.top-nav-profile:hover {
  border-color: var(--selected-accent);
}

.superadmin-profile {
  border-color: var(--selected-accent) !important;
  box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.navbar {
  padding: 16px 24px;
  margin-bottom: 0;
  min-height: 70px;
  background: var(--sidebar-bg);
  border-bottom: var(--sidebar-border);
}

.navbar .navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar a,
.navbar li {
  color: var(--nav-default-font-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.navbar a:hover,
.navbar li:hover {
  color: var(--accent-color);
}

.navbar .rounded-circle:not(.mobile-user-img img) {
  width: 40px;
  height: 40px;
}

.navbar .mobile-user-img {
  display: none;
}

.navbar .text-muted,
.media-body {
  white-space: normal;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.navbar .notification-dropdown,
.navbar .store-selector-dropdown {
  min-width: 280px;
  border-radius: var(--border-radius-md);
  border: var(--sidebar-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.navbar .dropdown-menu {
  overflow: auto;
  border-radius: var(--border-radius-md);
  border: var(--sidebar-border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  padding: 8px 0;
}

.navbar .dropdown-menu:not(.side-nav .dropdown-menu) {
  max-height: 50vh;
}

.navbar .dropdown-item {
  padding: 10px 16px;
  font-size: 14px;
  transition: background var(--transition-fast);
}

.navbar .dropdown-item:hover {
  background: var(--item-hover-bg);
}

/* Quick Links */
.navbar .quick-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--selected-bg);
  color: var(--selected-accent) !important;
  transition: all var(--transition-fast);
}

.navbar .quick-link:hover {
  background: var(--selected-accent);
  color: white !important;
}

/* Search Icon */
.navbar .search-icon {
  margin-right: 6px;
}

[dir="rtl"] .navbar .search-icon {
  margin-right: 0;
  margin-left: 6px;
}

/* New Order Button */
.navbar a[href*="new_order"] {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: var(--selected-accent);
  color: white !important;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition-fast);
}

.navbar a[href*="new_order"]:hover {
  background: var(--accent-hover-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

/* ==========================================================================
   Responsive: Tablet (768-1023px)
   ========================================================================== */

@media (max-width: 1024px) {
  .side-nav {
    width: var(--sidebar-collapsed-width);
    min-width: var(--sidebar-collapsed-width);
  }

  .side-nav .modules {
    padding: 0 8px;
  }

  .side-nav p {
    display: none;
  }

  .side-nav .module-child {
    display: none;
  }

  .side-nav a::after {
    display: none;
  }

  .side-nav .module-parent {
    justify-content: center;
    padding: 12px;
    min-width: auto;
  }

  .side-nav .custom-tooltip {
    max-height: 280px;
  }

  /* Navbar adjustments */
  .mobile-user-img .dropdown a {
    padding: 0;
    padding-left: 8px;
  }

  [dir="rtl"] .mobile-user-img .dropdown a {
    padding-left: 0;
    padding-right: 8px;
  }

  .navbar-nav {
    margin-left: 2px !important;
  }

  [dir="rtl"] .navbar-nav {
    margin-left: 0 !important;
    margin-right: 2px !important;
  }

  .mobile-user-img img {
    width: 32px;
    height: 32px;
  }

  #small_menu_toogler {
    display: none;
  }

  .navbar .notification-dropdown,
  .navbar .store-selector-dropdown {
    min-width: 100%;
  }

  #small_menu_toogler.show {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: var(--sidebar-bg);
    padding: 12px;
    gap: 8px;
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    width: 100%;
    z-index: 1000;
  }

  .navbar .dropdown-menu,
  .navbar .dropdown,
  .navbar .nav-item {
    min-width: 100% !important;
    width: 100% !important;
  }

  .navbar .mobile-user-img {
    display: block;
  }

  #small_menu_toogler.show::after {
    content: "";
    position: absolute;
    top: -8px;
    right: 12px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--sidebar-bg);
  }

  [dir="rtl"] #small_menu_toogler.show::after {
    right: auto;
    left: 12px;
  }

  #small_menu_toogler .navbar-nav {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .navbar .dropdown a,
  .navbar .nav-item a,
  .navbar li {
    text-align: start;
  }

  .desktop-li {
    display: none;
  }

  .navbar li {
    width: 100%;
    min-width: 100%;
  }
}

/* ==========================================================================
   Responsive: Mobile (under 767px)
   ========================================================================== */

@media (max-width: 767px) {
  .side-nav {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 280px;
    min-width: 280px;
    z-index: 9999;
    transform: translateX(-100%);
    box-shadow: none;
    background: var(--sidebar-bg);
    padding-top: 0;
    overflow-y: auto;
  }

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

  .side-nav.expanded {
    transform: translateX(0);
    box-shadow: var(--sidebar-shadow);
  }

  [dir="rtl"] .side-nav.expanded {
    transform: translateX(0);
  }

  .side-nav.expanded .modules {
    padding: 0 12px 80px;
  }

  .side-nav.collapsed {
    width: 280px;
    min-width: 280px;
  }

  /* Show labels on mobile expanded state */
  .side-nav.expanded p,
  .side-nav.expanded .module-child {
    display: block;
    opacity: 1;
    width: auto;
  }

  .side-nav.expanded .module-parent {
    justify-content: flex-start;
    padding: 12px 14px;
  }

  /* Mobile close button */
  .side-nav .nav-toggle-container {
    padding: 16px;
    justify-content: flex-end;
    border-bottom: var(--sidebar-border);
    position: sticky;
    top: 0;
    background: var(--sidebar-bg);
    z-index: 10;
  }

  .side-nav .nav-toggle-btn {
    width: 40px;
    height: 40px;
    background: var(--item-hover-bg);
  }

  /* Navbar mobile */
  .navbar {
    padding: 12px 16px;
  }

  .navbar .dropdown-menu,
  .navbar .dropdown,
  .navbar .nav-item {
    min-width: 100% !important;
    width: 100% !important;
  }

  /* Hide tooltips on mobile */
  .side-nav .custom-tooltip {
    display: none !important;
  }
}

/* ==========================================================================
   Safe Area Padding (for notched devices)
   ========================================================================== */

@supports (padding: max(0px)) {
  @media (max-width: 767px) {
    .side-nav.expanded {
      padding-left: max(12px, env(safe-area-inset-left));
      padding-right: max(12px, env(safe-area-inset-right));
      padding-bottom: max(20px, env(safe-area-inset-bottom));
    }
  }
}

/* ==========================================================================
   Dropdown Toggle Arrow
   ========================================================================== */

.side-nav .dropdown-toggle::after {
  display: inline-block;
  margin-left: auto;
  margin-right: 4px;
  vertical-align: middle;
  content: "";
  border-top: 5px solid var(--nav-muted-color);
  border-right: 5px solid transparent;
  border-bottom: 0;
  border-left: 5px solid transparent;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

[dir="rtl"] .side-nav .dropdown-toggle::after {
  margin-left: 4px;
  margin-right: auto;
}

.side-nav .dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.selected-parent-menu.dropdown-toggle::after {
  border-top-color: var(--selected-parent-text);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.side-nav p {
  margin: 0 !important;
}

/* Animation for menu expansion */
.side-nav .collapse {
  transition: height var(--transition-normal);
}

.side-nav .collapse.show,
.side-nav .collapse.in {
  display: block;
}

/* Focus states for accessibility */
.side-nav a:focus-visible,
.nav-toggle-btn:focus-visible {
  outline: 2px solid var(--selected-accent);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .side-nav {
    border-right: 2px solid #000;
  }
  
  .selected-parent-menu {
    border: 2px solid #000;
  }
  
  .selected-menu::before {
    width: 6px;
    background: #000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .side-nav,
  .side-nav *,
  .navbar,
  .navbar * {
    transition: none !important;
    animation: none !important;
  }
}