/**
 * NOMAD SYSTEM Mail - LIQUID GLASS DESIGN v5.0
 * Based on: setproduct.com Liquid Glass UI Playbook
 * Principles:
 * - Two-layer stack: outer shell (material) + inner plate (content stability)
 * - Controlled transparency with edge discipline
 * - Locked light model (single direction)
 * - Predictable states across all backgrounds
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* NOMAD Brand Colors */
  --ns-primary: #2563EB;
  --ns-primary-light: #3B82F6;
  --ns-primary-dark: #1D4ED8;
  --ns-accent: #DC2626;
  --ns-success: #10B981;
  --ns-warning: #F59E0B;
  --ns-danger: #EF4444;
  --ns-purple: #8B5CF6;
  
  /* Light Theme - Liquid Glass Base */
  --bg-primary: linear-gradient(145deg, #f0f4f8 0%, #e2e8f0 50%, #cbd5e1 100%);
  --bg-secondary: rgba(255, 255, 255, 0.25);
  --bg-tertiary: rgba(255, 255, 255, 0.15);
  
  /* Glass Shell Properties */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-hover: rgba(255, 255, 255, 0.75);
  --glass-bg-active: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-border-strong: rgba(255, 255, 255, 0.8);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
  --glass-shadow-elevated: 0 12px 40px rgba(31, 38, 135, 0.15);
  --glass-blur: blur(20px);
  --glass-blur-heavy: blur(30px);
  
  /* Inner Stabilized Plate - Content Protection */
  --plate-bg: rgba(255, 255, 255, 0.9);
  --plate-bg-dense: rgba(255, 255, 255, 0.95);
  --plate-radius: 16px;
  --plate-radius-sm: 12px;
  --plate-radius-lg: 24px;
  
  /* Light Model - Locked Direction (top-left) */
  --light-highlight: linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.1) 50%);
  --light-edge: rgba(255, 255, 255, 0.9);
  --shadow-direction: 4px 4px 12px rgba(0, 0, 0, 0.08);
  
  /* Text Colors - Stable Contrast */
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-on-glass: #1e293b;
  
  /* Spacing System */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme - Liquid Glass Dark Mode */
[data-theme="dark"] {
  --bg-primary: linear-gradient(145deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  --bg-secondary: rgba(30, 41, 59, 0.4);
  --bg-tertiary: rgba(30, 41, 59, 0.25);
  
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-bg-hover: rgba(30, 41, 59, 0.8);
  --glass-bg-active: rgba(30, 41, 59, 0.9);
  --glass-border: rgba(255, 255, 255, 0.15);
  --glass-border-strong: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.4);
  
  --plate-bg: rgba(30, 41, 59, 0.95);
  --plate-bg-dense: rgba(15, 23, 42, 0.98);
  
  --light-highlight: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.02) 50%);
  --light-edge: rgba(255, 255, 255, 0.2);
  --shadow-direction: 4px 4px 12px rgba(0, 0, 0, 0.3);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --text-on-glass: #e2e8f0;
}

/* ============================================
   BASE & RESET
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated background gradient */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(220, 38, 38, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
  animation: bgShift 20s ease-in-out infinite;
  z-index: -1;
  pointer-events: none;
}

@keyframes bgShift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, 2%) rotate(1deg); }
  66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* ============================================
   GLASS SHELL COMPONENT
   Two-layer stack: Outer shell + Inner plate
   ============================================ */
.glass-shell {
  /* Outer shell - material properties */
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--plate-radius);
  box-shadow: 
    var(--glass-shadow),
    inset 0 1px 0 var(--light-edge),
    inset 0 -1px 0 rgba(0, 0, 0, 0.05);
  
  /* Thickness cues */
  position: relative;
  overflow: hidden;
}

/* Light highlight band - locked direction (top-left) */
.glass-shell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--light-highlight);
  opacity: 0.8;
  pointer-events: none;
}

/* Inner stabilized plate - content protection */
.glass-plate {
  background: var(--plate-bg);
  border-radius: calc(var(--plate-radius) - 4px);
  padding: var(--space-lg);
  position: relative;
  z-index: 1;
}

/* Dense content needs stronger plate */
.glass-plate-dense {
  background: var(--plate-bg-dense);
  border: 1px solid var(--glass-border);
}

/* ============================================
   SIDEBAR - Glass Navigation Stack
   ============================================ */
.lg-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 280px;
  height: 100vh;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  gap: var(--space-lg);
}

.lg-sidebar-shell {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
}

/* Sidebar Header - Brand Area */
.lg-sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.lg-brand-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--ns-primary) 0%, var(--ns-accent) 100%);
  border-radius: var(--plate-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.lg-brand-icon img {
  width: 28px;
  height: 28px;
  filter: brightness(0) invert(1);
}

.lg-brand-text {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--ns-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation Items */
.lg-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  overflow-y: auto;
}

.lg-nav-section {
  margin-bottom: var(--space-lg);
}

.lg-nav-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-xs);
}

.lg-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--plate-radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: all var(--transition-fast);
  position: relative;
}

/* Hover State - Glass becomes more solid */
.lg-nav-item:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
  transform: translateX(4px);
}

/* Active State - Compressed shadow, shifted highlight */
.lg-nav-item.active {
  background: var(--glass-bg-active);
  color: var(--ns-primary);
  box-shadow: 
    inset 0 2px 4px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 var(--light-edge);
}

.lg-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 24px;
  background: var(--ns-primary);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 12px var(--ns-primary);
}

.lg-nav-icon {
  font-size: 20px;
  width: 24px;
  text-align: center;
}

.lg-nav-badge {
  margin-left: auto;
  background: var(--ns-primary);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

/* User Card - Bottom of Sidebar */
.lg-user-card {
  margin-top: auto;
  padding: var(--space-md);
}

.lg-user-shell {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--glass-bg);
  border-radius: var(--plate-radius-sm);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lg-user-shell:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-elevated);
}

.lg-user-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--ns-primary), var(--ns-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
}

.lg-user-info {
  flex: 1;
  min-width: 0;
}

.lg-user-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lg-user-role {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.lg-main {
  margin-left: 280px;
  padding: var(--space-xl);
  min-height: 100vh;
}

/* Header - Glass Bar */
.lg-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
}

.lg-header-title h1 {
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--ns-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-xs);
}

.lg-header-title p {
  font-size: 15px;
  color: var(--text-muted);
}

.lg-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Search - Glass Input */
.lg-search {
  position: relative;
}

.lg-search input {
  width: 280px;
  padding: 12px 16px 12px 44px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--plate-radius-sm);
  font-size: 14px;
  color: var(--text-primary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: all var(--transition-fast);
}

.lg-search input:focus {
  outline: none;
  background: var(--glass-bg-active);
  border-color: var(--glass-border-strong);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.lg-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
}

/* Theme Toggle - Glass Button */
.lg-btn-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--plate-radius-sm);
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.lg-btn-icon:hover {
  background: var(--glass-bg-hover);
  color: var(--ns-primary);
  transform: translateY(-2px);
}

/* ============================================
   STATS GRID - Glass Cards with Plates
   ============================================ */
.lg-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.lg-stat-card {
  /* Outer glass shell */
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--plate-radius);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--glass-shadow);
}

/* Thickness highlight */
.lg-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--light-highlight);
  pointer-events: none;
}

/* Hover - Elevated with compressed shadow */
.lg-stat-card:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-elevated);
}

.lg-stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--plate-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.lg-stat-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--plate-radius-sm);
  padding: 1px;
  background: linear-gradient(135deg, rgba(255,255,255,0.8), rgba(255,255,255,0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.lg-stat-icon.blue {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(37, 99, 235, 0.05));
  color: var(--ns-primary);
}

.lg-stat-icon.green {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05));
  color: var(--ns-success);
}

.lg-stat-icon.purple {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(139, 92, 246, 0.05));
  color: var(--ns-purple);
}

.lg-stat-icon.orange {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(245, 158, 11, 0.05));
  color: var(--ns-warning);
}

.lg-stat-content {
  flex: 1;
}

.lg-stat-value {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-xs);
}

.lg-stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.lg-stat-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-top: var(--space-sm);
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.lg-stat-change.positive {
  color: var(--ns-success);
}

.lg-stat-change.negative {
  color: var(--ns-danger);
}

/* ============================================
   CONTENT CARDS - Glass with Stabilized Plate
   ============================================ */
.lg-card {
  /* Outer shell */
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--plate-radius);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  position: relative;
}

.lg-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--light-highlight);
  pointer-events: none;
}

.lg-card-header {
  /* Inner plate for header */
  background: var(--plate-bg);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lg-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.lg-card-title i {
  color: var(--ns-primary);
  font-size: 22px;
}

.lg-card-body {
  /* Inner plate for body */
  background: var(--plate-bg);
  padding: var(--space-xl);
}

/* ============================================
   QUICK ACTIONS - Glass Buttons Grid
   ============================================ */
.lg-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.lg-action-btn {
  /* Glass shell */
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--plate-radius);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

.lg-action-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--light-highlight);
}

/* Hover - Glass becomes more solid, lifted */
.lg-action-btn:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--glass-shadow-elevated);
  color: var(--text-primary);
}

/* Pressed State - Compressed, shifted highlight */
.lg-action-btn:active {
  background: var(--glass-bg-active);
  transform: translateY(-2px) scale(0.98);
  box-shadow: 
    inset 0 2px 8px rgba(0, 0, 0, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.1);
}

.lg-action-btn i {
  font-size: 32px;
  color: var(--ns-primary);
  transition: transform var(--transition-fast);
}

.lg-action-btn:hover i {
  transform: scale(1.1);
}

/* ============================================
   TABLES - Dense Content with Strong Plate
   ============================================ */
.lg-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.lg-table th {
  /* Dense content needs stronger plate */
  background: var(--plate-bg-dense);
  padding: 14px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 2px solid var(--glass-border);
}

.lg-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 14px;
  background: var(--plate-bg);
}

.lg-table tr:hover td {
  background: var(--glass-bg-hover);
}

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

/* ============================================
   STATUS BADGES - Clear State Indicators
   ============================================ */
.lg-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.lg-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.lg-status.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--ns-success);
}

.lg-status.active::before {
  background: var(--ns-success);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.lg-status.inactive {
  background: rgba(148, 163, 184, 0.1);
  border-color: rgba(148, 163, 184, 0.2);
  color: var(--text-muted);
}

.lg-status.inactive::before {
  background: var(--text-muted);
}

/* ============================================
   BUTTONS - Glass Button States
   ============================================ */
.lg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--plate-radius-sm);
  font-weight: 600;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.lg-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--light-highlight);
}

.lg-btn-primary {
  background: linear-gradient(135deg, var(--ns-primary), var(--ns-primary-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.lg-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.lg-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.lg-btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.lg-btn-secondary:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
}

/* Focus State - Crisp ring above stack */
.lg-btn:focus-visible,
.lg-action-btn:focus-visible,
.lg-nav-item:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

/* ============================================
   FORMS - Glass Inputs with Stabilized Content
   ============================================ */
.lg-form-group {
  margin-bottom: 20px;
}

.lg-form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.lg-form-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--plate-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--plate-radius-sm);
  font-size: 15px;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.lg-form-input:focus {
  outline: none;
  border-color: var(--ns-primary);
  background: var(--plate-bg-dense);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* ============================================
   LOGIN PAGE - Full Glass Experience
   ============================================ */
.lg-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  position: relative;
}

.lg-login-shell {
  width: 100%;
  max-width: 440px;
  /* Glass shell */
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--plate-radius-lg);
  padding: var(--space-2xl);
  box-shadow: 
    var(--glass-shadow-elevated),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.lg-login-shell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--light-highlight);
}

/* Inner plate for login content */
.lg-login-plate {
  background: var(--plate-bg);
  border-radius: var(--plate-radius);
  padding: var(--space-xl);
  position: relative;
  z-index: 1;
}

.lg-login-logo {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.lg-login-logo-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--ns-primary) 0%, var(--ns-accent) 100%);
  border-radius: var(--plate-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.3);
  position: relative;
  overflow: hidden;
}

.lg-login-logo-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.3), transparent);
}

.lg-login-logo-icon img {
  width: 48px;
  height: 48px;
  filter: brightness(0) invert(1);
  position: relative;
}

.lg-login-logo h1 {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--ns-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-xs);
}

.lg-login-logo p {
  color: var(--text-muted);
  font-size: 15px;
}

.lg-login-form .form-group {
  margin-bottom: var(--space-lg);
}

.lg-login-form label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.lg-login-form input {
  width: 100%;
  padding: 16px 20px;
  background: var(--plate-bg-dense);
  border: 2px solid var(--glass-border);
  border-radius: var(--plate-radius-sm);
  font-size: 16px;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.lg-login-form input:focus {
  outline: none;
  border-color: var(--ns-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.lg-login-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--ns-primary), var(--ns-primary-dark));
  border: none;
  border-radius: var(--plate-radius-sm);
  color: white;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
  position: relative;
  overflow: hidden;
}

.lg-login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.lg-login-btn:hover::before {
  left: 100%;
}

.lg-login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
}

.lg-login-btn:active {
  transform: translateY(0);
}

.lg-login-slogan {
  text-align: center;
  margin-top: var(--space-xl);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */
.lg-alert {
  padding: 16px 20px;
  border-radius: var(--plate-radius-sm);
  margin-bottom: var(--space-lg);
  border: 1px solid var(--glass-border);
  background: var(--plate-bg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.lg-alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--ns-success);
}

.lg-alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.2);
  color: var(--ns-danger);
}

.lg-alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: var(--ns-warning);
}

/* Toast Notifications */
.lg-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--plate-radius);
  padding: 16px 24px;
  box-shadow: var(--glass-shadow-elevated);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  z-index: 9999;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .lg-sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }
  
  .lg-sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .lg-main {
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  .lg-main {
    padding: var(--space-md);
  }
  
  .lg-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .lg-header-title h1 {
    font-size: 24px;
  }
  
  .lg-search input {
    width: 100%;
  }
  
  .lg-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .lg-actions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .lg-login-shell {
    padding: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .lg-actions-grid {
    grid-template-columns: 1fr;
  }
  
  .lg-table {
    display: block;
    overflow-x: auto;
  }
}

/* ============================================
   SCROLLBAR & SELECTION
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

::selection {
  background: rgba(37, 99, 235, 0.2);
  color: var(--text-primary);
}

/* ============================================
   ACCESSIBILITY - Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  body::before {
    animation: none;
  }
}

/* ============================================
   FALLBACK - No Backdrop Filter Support
   ============================================ */
@supports not (backdrop-filter: blur(20px)) {
  .glass-shell,
  .lg-stat-card,
  .lg-card,
  .lg-action-btn,
  .lg-nav-item,
  .lg-user-shell,
  .lg-search input,
  .lg-btn-icon {
    background: var(--plate-bg);
    backdrop-filter: none;
  }
  
  .lg-sidebar-shell,
  .lg-login-shell {
    background: var(--plate-bg-dense);
    backdrop-filter: none;
  }
}