:root {
  /* Premium Light Theme Variables */
  --bg-dark: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: #ffffff;
  --primary: #ff1f5a;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: rgba(15, 23, 42, 0.08);

  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(15, 23, 42, 0.08);
  --glass-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
  --backdrop-blur: blur(16px);

  --dropdown-bg: #ffffff;
  --dropdown-border: #e2e8f0;
  --dropdown-header-bg: #f8fafc;
  --dropdown-hover: #f1f5f9;
  --dropdown-unread: #eff6ff;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  /* Premium Dark Theme Variables */
  --bg-dark: #000814;
  --bg-card: rgba(13, 27, 42, 0.7);
  --bg-card-hover: rgba(13, 27, 42, 0.9);
  --text-main: #ffffff;
  --text-muted: #8e9aaf;
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(13, 27, 42, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  --dropdown-bg: #0f172a;
  --dropdown-border: rgba(255, 255, 255, 0.12);
  --dropdown-header-bg: #1e293b;
  --dropdown-hover: rgba(255, 255, 255, 0.06);
  --dropdown-unread: rgba(59, 130, 246, 0.15);
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  transition: var(--transition-normal);
  flex-shrink: 0;
}
.theme-toggle-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: rotate(15deg) scale(1.05);
}

.notif-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  transition: var(--transition-normal);
  position: relative;
  flex-shrink: 0;
}
.notif-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: scale(1.05);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 0% 0%, rgba(255, 31, 90, 0.03) 0%, transparent 40%), radial-gradient(circle at 100% 100%, rgba(59, 130, 246, 0.03) 0%, transparent 40%);
}

.dashboard-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  max-width: 1600px;
  margin: 0 auto;
}

/* Glass Card Style */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(255, 31, 90, 0.3);
  transform: translateY(-2px);
}

/* Sidebar Nav Hover */
.sidebar-link-hover:hover {
  color: var(--text-main) !important;
  background: rgba(255, 255, 255, 0.05);
}
.sidebar-link-hover i {
  transition: var(--transition-fast);
}
.sidebar-link-hover:hover i {
  color: var(--primary) !important;
}

/* Typography Utilities */
.text-xs {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.text-sm {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.text-lg {
  font-size: 1.125rem;
  font-weight: 600;
}

.text-huge {
  font-size: 1.875rem;
  font-weight: 700;
}

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

.flex-column {
  display: flex;
  flex-direction: column;
}

/* Inventory Table Styles */
.inventory-list-view {
  padding: 24px;
  overflow-y: auto;
}

.inventory-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.inventory-table th {
  text-align: left;
  padding: 12px;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--glass-border);
}

.inventory-table td {
  padding: 16px 12px;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.inventory-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.status-badge {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
}

.status-in-stock {
  background: rgba(0, 250, 154, 0.1);
  color: var(--accent-green);
}

.status-low-stock {
  background: rgba(255, 215, 0, 0.1);
  color: var(--accent-yellow);
}

.status-out-of-stock {
  background: rgba(255, 31, 90, 0.1);
  color: var(--primary);
}

/* Visibility Toggle */
.hidden {
  display: none !important;
}

#threejs-container {
  width: 100%;
  height: 100%;
  min-height: 500px;
  position: absolute;
  top: 0;
  left: 0;
}

/* 3D Product Tooltip */
.product-tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(0, 8, 20, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--primary);
  border-radius: 12px;
  padding: 16px;
  color: white;
  z-index: 1000;
  min-width: 200px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: none;
  transition: opacity 0.3s ease;
}

.product-tooltip h4 {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--primary);
  border-bottom: 1px solid rgba(255, 31, 90, 0.2);
  padding-bottom: 4px;
}

.product-tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 4px;
}

.product-tooltip-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.product-tooltip-value {
  font-size: 0.75rem;
  font-weight: 600;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}
/* Responsive & Sidebar Styles (Click Transitions) */
.sidebar {
  width: 80px !important;
  transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  overflow: visible !important;
  z-index: 100;
  white-space: nowrap;
  position: relative;
}

.sidebar.expanded {
  width: 250px !important;
}

.sidebar .logo-area h1,
.sidebar .sidebar-link span,
.sidebar .user-info,
.sidebar nav > span.text-xs {
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  display: inline-block;
}

.sidebar.expanded .logo-area h1,
.sidebar.expanded .sidebar-link span,
.sidebar.expanded .user-info,
.sidebar.expanded nav > span.text-xs {
  opacity: 1;
  pointer-events: auto;
}

.sidebar .logo-area {
  padding: 0 !important;
  transition: padding 0.3s ease;
  justify-content: center !important;
}
.sidebar .logo-box { margin: 0 auto; transition: margin 0.3s ease; }

.sidebar.expanded .logo-area {
  padding: 0 8px !important;
  justify-content: flex-start !important;
}
.sidebar.expanded .logo-box { margin: 0; }

.sidebar .sidebar-link { justify-content: center; padding: 12px 0; transition: padding 0.3s ease; }
.sidebar.expanded .sidebar-link { justify-content: flex-start; padding: 10px 16px; }

.sidebar .sidebar-link i { margin: 0; transition: margin 0.3s ease; }
.sidebar.expanded .sidebar-link i { margin-right: 12px; }

.sidebar .user-profile-mini { justify-content: center; padding: 10px 0; transition: padding 0.3s ease; }
.sidebar .user-profile-mini .avatar { margin: 0 auto; transition: margin 0.3s ease; }
.sidebar .user-profile-mini i { display: none; }

.sidebar.expanded .user-profile-mini { justify-content: flex-start; padding: 12px; }
.sidebar.expanded .user-profile-mini .avatar { margin: 0; }
.sidebar.expanded .user-profile-mini i { display: block; }

/* Sidebar Toggle Button */
.sidebar-toggle-btn {
  position: absolute;
  top: 50%;
  right: -16px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background: var(--primary);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: white;
  display: flex !important;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 101;
  box-shadow: 0 0 10px rgba(255, 31, 90, 0.5);
  transition: all 0.3s ease;
}

.sidebar-toggle-btn:hover {
  transform: translateY(-50%) scale(1.1);
}

.sidebar.expanded .sidebar-toggle-btn i {
  transform: rotate(180deg);
}

.sidebar-toggle-btn i {
  transition: transform 0.3s ease;
}

.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); z-index: 99; }

/* Mobile Swipe Hint */
.mobile-swipe-hint { display: none; }

@media (max-width: 1024px) {
  .dashboard-container { padding: 16px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr) !important; }
  #dashboard-charts { grid-template-columns: 1fr !important; }
  #malkabul-charts-container { grid-template-columns: 1fr !important; }
  .kpi-row[style*="repeat(6"] { grid-template-columns: repeat(3, 1fr) !important; }
}

@media (max-width: 768px) {
  .sidebar { 
    position: fixed; 
    left: -260px; 
    z-index: 1000; 
    height: 100vh; 
    width: 250px !important; 
  }
  .sidebar.mobile-open { left: 0; }
  .mobile-overlay.active { display: block; }
  
  .mobile-swipe-hint {
    display: block;
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 60px;
    background: rgba(255, 31, 90, 0.5);
    border-radius: 0 4px 4px 0;
    z-index: 999;
    box-shadow: 0 0 10px rgba(255, 31, 90, 0.3);
  }

  /* Reset hover stuff for mobile since it is always expanded when open */
  .sidebar .logo-area h1,
  .sidebar .sidebar-link span,
  .sidebar .user-info,
  .sidebar nav > span.text-xs { opacity: 1; pointer-events: auto; display: inline-block !important; }
  
  .sidebar .logo-area { padding: 0 8px !important; justify-content: flex-start !important; }
  .sidebar .logo-box { margin: 0; }
  .sidebar .sidebar-link { justify-content: flex-start; padding: 10px 16px; }
  .sidebar .sidebar-link i { margin-right: 12px; }
  .sidebar .user-profile-mini { justify-content: flex-start; padding: 12px; }
  .sidebar .user-profile-mini .avatar { margin: 0; }
  .sidebar .user-profile-mini i { display: block; }
  .sidebar-toggle-btn { display: none !important; }

  .kpi-row, .kpi-row[style*="repeat(6"] { grid-template-columns: 1fr !important; }
  header.flex-between { flex-wrap: wrap; gap: 16px; }
  .search-bar { order: 3; width: 100%; margin: 0 !important; flex: 1 1 100% !important; }
  .dashboard-container { margin-top: 10px; }
  .text-huge { font-size: 1.5rem; }
}


/* Sidebar Submenu Accordion */
.sidebar-menu-group {
  display: flex;
  flex-direction: column;
}
.sidebar-menu-group .sub-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 46px;
  margin-top: 8px;
  overflow: hidden;
  max-height: 500px;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
}
.sidebar-menu-group.collapsed .sub-menu {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}
.sidebar-menu-group .chevron-icon {
  transition: transform 0.3s ease;
}
.sidebar-menu-group.collapsed .chevron-icon {
  transform: rotate(-90deg);
}
/* Hide sub-menu entirely when sidebar is minimized */
.sidebar:not(.expanded) .sub-menu {
  display: none !important;
}
.sidebar:not(.expanded) .chevron-icon {
  display: none !important;
}

/* Digital Twin 3D + Risk Warnings Grid Layout */
@media (max-width: 1180px) {
  .digital-twin-grid-wrapper {
    grid-template-columns: 1fr !important;
  }
}