/* ==========================================================================
   Universal UI Components - Premium Professional Design System
   Dashboard Theme: Dark Mode with Purple/Teal Accents
   ========================================================================== */

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

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
  /* Colors - Primary Palette (Rich Purple) */
  --color-primary: #a855f7;
  --color-primary-light: #c084fc;
  --color-primary-hover: #d8b4fe;
  --color-primary-active: #9333ea;
  --color-primary-dark: #7c3aed;
  --color-primary-rgb: 168, 85, 247;
  
  /* Colors - Secondary Palette (Vibrant Teal) */
  --color-secondary: #14b8a6;
  --color-secondary-light: #2dd4bf;
  --color-secondary-hover: #5eead4;
  --color-secondary-active: #0d9488;
  --color-secondary-rgb: 20, 184, 166;
  
  /* Colors - Accent (Electric Blue) */
  --color-accent: #3b82f6;
  --color-accent-hover: #60a5fa;
  --color-accent-rgb: 59, 130, 246;
  
  /* Colors - Semantic */
  --color-success: #22c55e;
  --color-success-light: #4ade80;
  --color-success-hover: #86efac;
  --color-success-active: #16a34a;
  --color-success-rgb: 34, 197, 94;
  
  --color-danger: #ef4444;
  --color-danger-light: #f87171;
  --color-danger-hover: #fca5a5;
  --color-danger-active: #dc2626;
  --color-danger-rgb: 239, 68, 68;
  
  --color-warning: #f59e0b;
  --color-warning-light: #fbbf24;
  --color-warning-hover: #fcd34d;
  --color-warning-active: #d97706;
  --color-warning-rgb: 245, 158, 11;
  
  --color-info: #0ea5e9;
  --color-info-light: #38bdf8;
  --color-info-hover: #7dd3fc;
  --color-info-active: #0284c7;
  --color-info-rgb: 14, 165, 233;
  
  /* Colors - Neutrals (Rich Dark Theme) */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-tertiary: #1a1a24;
  --color-bg-elevated: #22222e;
  --color-bg-hover: #2a2a38;
  --color-bg-active: #32323f;
  --color-bg-glass: rgba(18, 18, 26, 0.85);
  
  --color-text-primary: #f8fafc;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-text-disabled: #475569;
  
  --color-border: #2e2e3a;
  --color-border-light: #3f3f4f;
  --color-border-focus: var(--color-primary);
  
  /* Spacing - Golden Ratio Based */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
  --spacing-4xl: 64px;
  
  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows - Layered Depth */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5), 0 4px 8px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6), 0 8px 16px rgba(0, 0, 0, 0.4);
  --shadow-glow-primary: 0 0 20px rgba(var(--color-primary-rgb), 0.3), 0 0 40px rgba(var(--color-primary-rgb), 0.15);
  --shadow-glow-secondary: 0 0 20px rgba(var(--color-secondary-rgb), 0.3), 0 0 40px rgba(var(--color-secondary-rgb), 0.15);
  --shadow-glow-success: 0 0 20px rgba(var(--color-success-rgb), 0.3);
  --shadow-glow-danger: 0 0 20px rgba(var(--color-danger-rgb), 0.3);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);
  
  /* 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);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Consolas', monospace;
  
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 22px;
  --font-size-3xl: 28px;
  --font-size-4xl: 36px;
  
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.05em;
}

/* ==========================================================================
   LIGHT THEME VARIABLES
   ========================================================================== */
[data-theme="light"] {
  /* Colors - Primary Palette (Deep Purple for contrast) */
  --color-primary: #7c3aed;
  --color-primary-light: #8b5cf6;
  --color-primary-hover: #6d28d9;
  --color-primary-active: #5b21b6;
  --color-primary-dark: #4c1d95;
  --color-primary-rgb: 124, 58, 237;
  
  /* Colors - Secondary Palette (Darker Teal for contrast) */
  --color-secondary: #0d9488;
  --color-secondary-light: #14b8a6;
  --color-secondary-hover: #0f766e;
  --color-secondary-active: #115e59;
  --color-secondary-rgb: 13, 148, 136;
  
  /* Colors - Accent */
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-rgb: 37, 99, 235;
  
  /* Colors - Semantic (Darker for light backgrounds) */
  --color-success: #16a34a;
  --color-success-light: #22c55e;
  --color-success-hover: #15803d;
  --color-success-active: #166534;
  --color-success-rgb: 22, 163, 74;
  
  --color-danger: #dc2626;
  --color-danger-light: #ef4444;
  --color-danger-hover: #b91c1c;
  --color-danger-active: #991b1b;
  --color-danger-rgb: 220, 38, 38;
  
  --color-warning: #d97706;
  --color-warning-light: #f59e0b;
  --color-warning-hover: #b45309;
  --color-warning-active: #92400e;
  --color-warning-rgb: 217, 119, 6;
  
  --color-info: #0284c7;
  --color-info-light: #0ea5e9;
  --color-info-hover: #0369a1;
  --color-info-active: #075985;
  --color-info-rgb: 2, 132, 199;
  
  /* Colors - Neutrals (Clean Light Theme) */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-elevated: #ffffff;
  --color-bg-hover: #e2e8f0;
  --color-bg-active: #cbd5e1;
  --color-bg-glass: rgba(255, 255, 255, 0.9);
  
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-text-disabled: #94a3b8;
  
  --color-border: #e2e8f0;
  --color-border-light: #cbd5e1;
  --color-border-focus: var(--color-primary);
  
  /* Shadows - Lighter for light theme */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-glow-primary: 0 0 15px rgba(var(--color-primary-rgb), 0.2), 0 0 30px rgba(var(--color-primary-rgb), 0.1);
  --shadow-glow-secondary: 0 0 15px rgba(var(--color-secondary-rgb), 0.2), 0 0 30px rgba(var(--color-secondary-rgb), 0.1);
  --shadow-glow-success: 0 0 15px rgba(var(--color-success-rgb), 0.2);
  --shadow-glow-danger: 0 0 15px rgba(var(--color-danger-rgb), 0.2);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

/* Light theme background adjustments */
[data-theme="light"] body::before {
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(var(--color-primary-rgb), 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(var(--color-secondary-rgb), 0.05), transparent),
    radial-gradient(ellipse 40% 30% at 0% 100%, rgba(var(--color-accent-rgb), 0.03), transparent);
}

/* Light theme table adjustments */
[data-theme="light"] .table th {
  background: linear-gradient(180deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  color: var(--color-text-primary);
}

[data-theme="light"] .table tr:hover td {
  background-color: rgba(var(--color-primary-rgb), 0.05);
}

[data-theme="light"] .table-striped tbody tr:nth-child(odd) td {
  background-color: var(--color-bg-secondary);
}

/* Light theme card adjustments */
[data-theme="light"] .page-card {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-border);
}

[data-theme="light"] .stat-card {
  background: linear-gradient(145deg, var(--color-bg-secondary), var(--color-bg-primary));
  border-color: var(--color-border);
}

/* Light theme button adjustments */
[data-theme="light"] .btn-back {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

[data-theme="light"] .btn-back:hover {
  background: var(--color-primary);
  color: white;
}

[data-theme="light"] .btn-logout {
  color: var(--color-danger);
  border-color: var(--color-danger);
}

[data-theme="light"] .btn-logout:hover {
  background: var(--color-danger);
  color: white;
}

/* Light theme form inputs */
[data-theme="light"] .form-input,
[data-theme="light"] .form-select,
[data-theme="light"] .form-textarea {
  background: var(--color-bg-primary);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

[data-theme="light"] .form-input:focus,
[data-theme="light"] .form-select:focus,
[data-theme="light"] .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

/* Light theme login page */
[data-theme="light"] .login-page {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
}

[data-theme="light"] .login-card {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15),
              0 0 0 1px var(--color-border);
}

[data-theme="light"] .login-input {
  background: var(--color-bg-secondary);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

[data-theme="light"] .login-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.1);
}

/* Theme transition for smooth switching */
.theme-transition,
.theme-transition *,
.theme-transition *::before,
.theme-transition *::after {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease !important;
}

/* ==========================================================================
   BASE STYLES & RESET
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  min-height: 100vh;
}

/* Page Background with Subtle Pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(var(--color-primary-rgb), 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(var(--color-secondary-rgb), 0.08), transparent),
    radial-gradient(ellipse 40% 30% at 0% 100%, rgba(var(--color-accent-rgb), 0.05), transparent);
  pointer-events: none;
  z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-md); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

/* ==========================================================================
   UNIVERSAL PAGE LAYOUT
   ========================================================================== */

/* Page Wrapper - Consistent padding and centering */
.page-wrapper {
  min-height: 100vh;
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Main Content Card */
.page-card {
  width: 100%;
  max-width: 1400px;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: fadeIn 0.4s ease-out;
}

/* Page Header - Title Section */
.page-header {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-2xl) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-bg-tertiary) 0%, transparent 100%);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 var(--spacing-xs) 0;
  letter-spacing: var(--letter-spacing-tight);
}

.page-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
  margin: 0;
}

/* Page Navigation Bar - Consistent across all pages */
.page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-2xl);
  background: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.page-nav-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.page-nav-center {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  flex: 1;
}

.page-nav-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Back Button - Consistent Style */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: white;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-active) 100%);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: none;
  box-shadow: var(--shadow-sm), var(--shadow-glow-secondary);
  transition: all var(--transition-normal);
}

.btn-back:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 20px rgba(var(--color-secondary-rgb), 0.4);
  color: white;
}

.btn-back::before {
  content: '←';
  font-size: var(--font-size-lg);
}

/* Logout Button - Consistent Style */
.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-danger);
  background: transparent;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-danger);
  transition: all var(--transition-normal);
}

.btn-logout:hover {
  background: rgba(var(--color-danger-rgb), 0.15);
  color: var(--color-danger-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-danger);
}

/* Page Body - Main Content Area */
.page-body {
  padding: var(--spacing-2xl);
}

/* Page Footer - Consistent footer */
.page-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
}

/* Legacy support */
.page-container {
  min-height: 100vh;
  padding: var(--spacing-3xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ==========================================================================
   BUTTONS - Premium Design
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.4);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  transform: none !important;
}

/* Primary Button - Gradient with Glow */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--color-primary-rgb), 0.5);
}

.btn-primary:active {
  transform: translateY(-1px);
}

/* Secondary Button */
.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-active) 100%);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-glow-secondary);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--color-secondary-rgb), 0.5);
}

/* Success Button */
.btn-success {
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-active) 100%);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-glow-success);
}

.btn-success:hover {
  background: linear-gradient(135deg, var(--color-success-light) 0%, var(--color-success) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--color-success-rgb), 0.5);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, var(--color-danger) 0%, var(--color-danger-active) 100%);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-glow-danger);
}

.btn-danger:hover {
  background: linear-gradient(135deg, var(--color-danger-light) 0%, var(--color-danger) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--color-danger-rgb), 0.5);
}

/* Warning Button */
.btn-warning {
  background: linear-gradient(135deg, var(--color-warning) 0%, var(--color-warning-active) 100%);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-md);
}

.btn-warning:hover {
  background: linear-gradient(135deg, var(--color-warning-light) 0%, var(--color-warning) 100%);
  transform: translateY(-3px);
}

/* Info Button */
.btn-info {
  background: linear-gradient(135deg, var(--color-info) 0%, var(--color-info-active) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-info:hover {
  background: linear-gradient(135deg, var(--color-info-light) 0%, var(--color-info) 100%);
  transform: translateY(-3px);
}

/* Outline Buttons */
.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border-light);
  box-shadow: none;
}

.btn-outline::before {
  display: none;
}

.btn-outline:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline-primary:hover {
  background: rgba(var(--color-primary-rgb), 0.15);
  box-shadow: var(--shadow-glow-primary);
}

.btn-outline-secondary {
  background: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

.btn-outline-secondary:hover {
  background: rgba(var(--color-secondary-rgb), 0.15);
  box-shadow: var(--shadow-glow-secondary);
}

.btn-outline-danger {
  background: transparent;
  color: var(--color-danger);
  border: 2px solid var(--color-danger);
}

.btn-outline-danger:hover {
  background: rgba(var(--color-danger-rgb), 0.15);
  box-shadow: var(--shadow-glow-danger);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  box-shadow: none;
}

.btn-ghost::before {
  display: none;
}

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

/* Button Sizes */
.btn-xs {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

.btn-xl {
  padding: var(--spacing-xl) var(--spacing-3xl);
  font-size: var(--font-size-xl);
  border-radius: var(--radius-xl);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Icon Button */
.btn-icon {
  padding: var(--spacing-md);
  aspect-ratio: 1;
}

/* Button Group */
.btn-group {
  display: inline-flex;
  gap: 1px;
  background: var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.btn-group .btn {
  border-radius: 0;
  margin: 0;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */

.nav-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-md);
  background: var(--color-bg-glass);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.nav-link:hover {
  background: var(--color-bg-hover);
  color: var(--color-primary-light);
  transform: translateY(-2px);
}

.nav-link.active {
  background: rgba(var(--color-primary-rgb), 0.2);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Styled Nav Links (Button-like) */
.nav-link-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white !important;
  box-shadow: var(--shadow-sm), var(--shadow-glow-primary);
}

.nav-link-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 25px rgba(var(--color-primary-rgb), 0.4);
}

.nav-link-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-active) 100%);
  color: white !important;
  box-shadow: var(--shadow-sm), var(--shadow-glow-secondary);
}

.nav-link-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 0 25px rgba(var(--color-secondary-rgb), 0.4);
}

.nav-link-success {
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-active) 100%);
  color: white !important;
  box-shadow: var(--shadow-sm);
}

.nav-link-warning {
  background: linear-gradient(135deg, var(--color-warning) 0%, var(--color-warning-active) 100%);
  color: var(--color-bg-primary) !important;
  box-shadow: var(--shadow-sm);
}

.nav-link-danger {
  color: var(--color-danger);
}

.nav-link-danger:hover {
  background: rgba(var(--color-danger-rgb), 0.15);
  color: var(--color-danger-light);
}

/* ==========================================================================
   TABLES - Enhanced Design
   ========================================================================== */

.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-xl);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
}

.table th,
.table td {
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table th {
  background: linear-gradient(180deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  position: sticky;
  top: 0;
  z-index: 10;
}

.table tbody tr {
  transition: all var(--transition-fast);
}

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

/* Table Variants */
.table-striped tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.table-hover tbody tr:hover {
  background: var(--color-bg-hover);
  box-shadow: inset 0 0 0 1px var(--color-border-light);
}

/* Sortable Headers */
.table th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: var(--spacing-2xl);
}

.table th.sortable:hover {
  background: var(--color-bg-hover);
  color: var(--color-primary);
}

.table th.sortable::after {
  content: '⇅';
  position: absolute;
  right: var(--spacing-md);
  opacity: 0.3;
  font-size: var(--font-size-sm);
}

.table th.sortable.sort-asc::after {
  content: '▲';
  opacity: 1;
  color: var(--color-primary);
}

.table th.sortable.sort-desc::after {
  content: '▼';
  opacity: 1;
  color: var(--color-primary);
}

/* Cell Types */
.table .cell-number {
  font-family: var(--font-family-mono);
  text-align: right;
  font-weight: var(--font-weight-medium);
}

.table .cell-positive {
  color: var(--color-success);
}

.table .cell-negative {
  color: var(--color-danger);
}

.table .cell-actions {
  white-space: nowrap;
  text-align: right;
}

.table .cell-actions .btn {
  margin-left: var(--spacing-xs);
}

.table .cell-actions .btn:first-child {
  margin-left: 0;
}

/* Card fallback for wide tables */
.table-card-list {
  display: none;
  gap: var(--spacing-md);
}

.table-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  display: grid;
  gap: var(--spacing-sm);
}

.table-card-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
}

.table-card-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
  flex: 0 0 45%;
  word-break: break-word;
}

.table-card-value {
  flex: 1;
  text-align: right;
  word-break: break-word;
  font-size: var(--font-size-sm);
}

.table-card-actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

/* Row States */
.table tr.row-success {
  background: rgba(var(--color-success-rgb), 0.1) !important;
  border-left: 3px solid var(--color-success);
}

.table tr.row-danger {
  background: rgba(var(--color-danger-rgb), 0.1) !important;
  border-left: 3px solid var(--color-danger);
}

.table tr.row-inactive {
  opacity: 0.5;
}

/* Compact Table */
.table-compact th,
.table-compact td {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   FORMS - Premium Styling
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-xl);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-xl);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-border-light);
  background: var(--color-bg-secondary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.2), var(--shadow-glow-primary);
  background: var(--color-bg-secondary);
}

.form-input::placeholder {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
}

/* Select Dropdown */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-lg) center;
  padding-right: var(--spacing-3xl);
  cursor: pointer;
}

.form-select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  padding: var(--spacing-md);
}

/* Textarea */
.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--line-height-relaxed);
}

/* Input States */
.form-input.is-valid,
.form-select.is-valid {
  border-color: var(--color-success);
}

.form-input.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-danger);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--spacing-sm);
}

.form-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

/* Toggle Switch */
.form-switch {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  gap: var(--spacing-md);
}

.form-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-track {
  position: relative;
  width: 48px;
  height: 26px;
  background: var(--color-bg-tertiary);
  border: 2px solid var(--color-border);
  border-radius: 26px;
  transition: all var(--transition-normal);
}

.switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: all var(--transition-normal);
}

.form-switch input:checked + .switch-track {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.form-switch input:checked + .switch-track .switch-thumb {
  left: calc(100% - 22px);
  background: var(--color-bg-primary);
}

.form-switch input:focus + .switch-track {
  box-shadow: 0 0 0 3px rgba(var(--color-secondary-rgb), 0.3);
}

/* ==========================================================================
   CARDS - Glassmorphism Style
   ========================================================================== */

.card {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(var(--color-primary-rgb), 0.1);
  border-color: var(--color-border-light);
}

.card-header {
  padding: var(--spacing-xl) var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-elevated) 100%);
}

.card-title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-subtitle {
  margin: var(--spacing-xs) 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  padding: var(--spacing-2xl);
}

.card-footer {
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-tertiary);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* Stats Card */
.stat-card {
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-card-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-md);
}

.stat-card-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.stat-card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   BADGES - Enhanced
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.3);
}

.badge-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-active) 100%);
  color: white;
  box-shadow: 0 2px 8px rgba(var(--color-secondary-rgb), 0.3);
}

.badge-success {
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-active) 100%);
  color: white;
}

.badge-danger {
  background: linear-gradient(135deg, var(--color-danger) 0%, var(--color-danger-active) 100%);
  color: white;
}

.badge-warning {
  background: linear-gradient(135deg, var(--color-warning) 0%, var(--color-warning-active) 100%);
  color: var(--color-bg-primary);
}

.badge-info {
  background: linear-gradient(135deg, var(--color-info) 0%, var(--color-info-active) 100%);
  color: white;
}

.badge-muted {
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
}

/* Outline Badges */
.badge-outline-primary {
  background: rgba(var(--color-primary-rgb), 0.15);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.badge-outline-secondary {
  background: rgba(var(--color-secondary-rgb), 0.15);
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}

.badge-outline-success {
  background: rgba(var(--color-success-rgb), 0.15);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.badge-outline-danger {
  background: rgba(var(--color-danger-rgb), 0.15);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

/* Badge Sizes */
.badge-lg {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
}

/* Status Dot */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2s infinite;
}

.status-dot-success { background: var(--color-success); }
.status-dot-danger { background: var(--color-danger); }
.status-dot-warning { background: var(--color-warning); }

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

/* ==========================================================================
   MODALS - Polished Design
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.9) translateY(30px);
  transition: transform var(--transition-normal);
}

.modal-backdrop.show .modal {
  transform: scale(1) translateY(0);
}

.modal-lg { max-width: 800px; }
.modal-sm { max-width: 400px; }

.modal-header {
  padding: var(--spacing-xl) var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-tertiary);
}

.modal-title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 28px;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  line-height: 1;
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
}

.modal-close:hover {
  color: var(--color-danger);
  background: rgba(var(--color-danger-rgb), 0.1);
}

.modal-body {
  padding: var(--spacing-2xl);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);
  background: var(--color-bg-tertiary);
}

/* ==========================================================================
   TABS - Pill Style
   ========================================================================== */

.tabs {
  display: inline-flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-2xl);
  border: 1px solid var(--color-border);
}

.tab-item {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: transparent;
}

.tab-item:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-hover);
}

.tab-item.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow-sm), var(--shadow-glow-primary);
}

/* ==========================================================================
   ALERTS & MESSAGES
   ========================================================================== */

.alert {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-md);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border: 1px solid;
}

.alert-success {
  background: rgba(var(--color-success-rgb), 0.15);
  border-color: var(--color-success);
  color: var(--color-success-light);
}

.alert-danger,
.alert-error {
  background: rgba(var(--color-danger-rgb), 0.15);
  border-color: var(--color-danger);
  color: var(--color-danger-light);
}

.alert-warning {
  background: rgba(var(--color-warning-rgb), 0.15);
  border-color: var(--color-warning);
  color: var(--color-warning-light);
}

.alert-info {
  background: rgba(var(--color-info-rgb), 0.15);
  border-color: var(--color-info);
  color: var(--color-info-light);
}

/* Info Banner */
.info-banner {
  background: linear-gradient(135deg, rgba(var(--color-secondary-rgb), 0.1) 0%, rgba(var(--color-primary-rgb), 0.05) 100%);
  border-left: 4px solid var(--color-secondary);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
}

.info-banner p {
  margin: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
}

.info-banner strong {
  color: var(--color-secondary);
}

/* ==========================================================================
   FILTER PANEL
   ========================================================================== */

.filter-panel {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.filter-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.filter-row:last-child {
  margin-bottom: 0;
}

.filter-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
  justify-content: flex-end;
}

/* ==========================================================================
   EDITABLE ELEMENTS
   ========================================================================== */

.editable {
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px dashed transparent;
  transition: all var(--transition-fast);
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--color-secondary);
}

.editable:hover {
  background: rgba(var(--color-secondary-rgb), 0.1);
  border-color: var(--color-secondary);
}

.edit-hint {
  font-size: var(--font-size-xs);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-top: var(--spacing-xs);
}

/* ==========================================================================
   SECTION TITLE
   ========================================================================== */

.section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
  border-radius: var(--radius-full);
}

/* ==========================================================================
   UTILITIES
   ========================================================================== */

/* Text Colors */
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-info { color: var(--color-info) !important; }
.text-muted { color: var(--color-text-muted) !important; }

/* Mobile View Toggle Button */
.mobile-view-toggle {
  display: none;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

@media screen and (max-width: 768px) {
  .mobile-view-toggle {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
  }
  
  .mobile-view-toggle .btn {
    flex: 1;
    max-width: 150px;
  }
}

/* Spacing */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-sm) !important; }
.mt-2 { margin-top: var(--spacing-md) !important; }
.mt-3 { margin-top: var(--spacing-lg) !important; }
.mt-4 { margin-top: var(--spacing-xl) !important; }
.mt-5 { margin-top: var(--spacing-2xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-sm) !important; }
.mb-2 { margin-bottom: var(--spacing-md) !important; }
.mb-3 { margin-bottom: var(--spacing-lg) !important; }
.mb-4 { margin-bottom: var(--spacing-xl) !important; }
.mb-5 { margin-bottom: var(--spacing-2xl) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-sm) !important; }
.p-2 { padding: var(--spacing-md) !important; }
.p-3 { padding: var(--spacing-lg) !important; }
.p-4 { padding: var(--spacing-xl) !important; }

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flexbox */
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-1 { flex: 1 !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-end { justify-content: flex-end !important; }
.align-center { align-items: center !important; }
.gap-1 { gap: var(--spacing-sm) !important; }
.gap-2 { gap: var(--spacing-md) !important; }
.gap-3 { gap: var(--spacing-lg) !important; }
.gap-4 { gap: var(--spacing-xl) !important; }

/* Width */
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }

/* Text */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.font-bold { font-weight: var(--font-weight-bold) !important; }
.font-mono { font-family: var(--font-family-mono) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-xl { font-size: var(--font-size-xl) !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }

/* Border Radius */
.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: var(--spacing-xl) 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.page-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  margin-top: auto;
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media screen and (max-width: 768px) {
  :root {
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    --spacing-3xl: 32px;
  }
  
  body::before {
    opacity: 0.5;
  }
  
  .page-container {
    padding: var(--spacing-lg);
  }
  
  .page-title {
    font-size: var(--font-size-2xl);
  }
  
  .nav-bar {
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
  }
  
  .nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  .card-body,
  .card-header,
  .card-footer {
    padding: var(--spacing-lg);
  }
  
  .btn {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .form-input,
  .form-select,
  .form-textarea {
    min-height: 44px;
    font-size: var(--font-size-lg);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  .filter-row {
    grid-template-columns: 1fr;
  }
  
  .modal {
    margin: var(--spacing-md);
    max-height: calc(100vh - var(--spacing-xl) * 2);
  }
  
  .tabs {
    flex-wrap: wrap;
    width: 100%;
  }
  
  .tab-item {
    flex: 1;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}

@media screen and (max-width: 480px) {
  .page-title {
    font-size: var(--font-size-xl);
  }
  
  .btn {
    font-size: var(--font-size-sm);
  }
  
  .table {
    font-size: var(--font-size-xs);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* ==========================================================================
   MOBILE-FIRST RESPONSIVE ENHANCEMENTS
   ========================================================================== */

/* Page Wrapper Mobile */
@media screen and (max-width: 768px) {
  .page-wrapper {
    padding: var(--spacing-md);
  }
  
  .page-card {
    padding: var(--spacing-lg);
    margin: 0;
    border-radius: var(--radius-lg);
    max-width: 100% !important;
  }
  
  .page-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
  }
  
  .page-subtitle {
    font-size: var(--font-size-sm);
  }
}

/* Page Navigation Mobile - Stack Layout */
@media screen and (max-width: 768px) {
  .page-nav {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }
  
  .page-nav-left,
  .page-nav-center,
  .page-nav-right {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .page-nav-left {
    order: 1;
  }
  
  .page-nav-center {
    order: 2;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
  }
  
  .page-nav-right {
    order: 3;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
    gap: var(--spacing-xs);
    flex-wrap: wrap;
  }
  
  .page-nav .btn,
  .page-nav .btn-back,
  .page-nav .btn-logout {
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 40px;
    white-space: nowrap;
  }
  
  .page-nav-center .btn {
    flex: 0 1 auto;
    min-width: 80px;
    max-width: 48%;
    text-align: center;
    justify-content: center;
  }
  
  .settings-controls {
    margin-right: 0;
    margin-bottom: 0;
    gap: var(--spacing-xs);
    flex-wrap: nowrap;
  }
  
  .btn-back {
    width: 100%;
    justify-content: center;
  }

  /* Hide tables on mobile by default, show mobile cards */
  .data-table-container .table-wrapper,
  .table-container > .table {
    display: none !important;
  }
  
  .data-table-container .mobile-cards,
  .table-container .mobile-cards {
    display: block !important;
  }

  /* When cards are active (default for wide tables), show cards instead of table */
  .table-container.cards-active .table {
    display: none !important;
  }

  .table-container.cards-active .table-card-list {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  /* Horizontal scroll for tables that must remain tables */
  .table-container.show-table,
  .table-container.table-wide {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    display: block;
  }
  
  .table-container.show-table .table,
  .table-container.table-wide .table {
    display: table !important;
    min-width: 600px;
  }

  .table-card {
    padding: var(--spacing-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .table-card-row {
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }
  
  .table-card-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .table-card-label {
    flex: 0 0 45%;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-secondary);
    word-wrap: break-word;
  }

  .table-card-value {
    flex: 1;
    text-align: right;
    font-size: var(--font-size-sm);
    word-break: break-word;
    color: var(--color-text-primary);
  }
  
  .table-card-actions {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .table-card-actions .btn {
    flex: 1;
    min-width: 100px;
  }
  
  .table-card-actions a {
    flex: 1;
    min-width: 100px;
    text-align: center;
  }
}

/* Login Page Mobile */
@media screen and (max-width: 768px) {
  .login-page {
    padding: var(--spacing-lg);
  }
  
  .login-card {
    padding: var(--spacing-xl);
    max-width: 100%;
    margin: 0;
  }
  
  .login-logo h1 {
    font-size: var(--font-size-2xl);
  }
  
  .login-input {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: 50px;
  }
  
  .login-btn {
    min-height: 50px;
    font-size: var(--font-size-lg);
  }
}

/* Tables Mobile - Better card display */
@media screen and (max-width: 768px) {
  /* Hide regular tables on mobile by default for wide tables */
  .table-container .table-wide {
    display: none;
  }
  
  /* Show card list by default for wide tables */
  .table-container .table-card-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  /* If user toggles back to table view */
  .table-container.show-table .table-wide {
    display: table;
    min-width: 600px;
    overflow-x: auto;
  }
  
  .table-container.show-table .table-card-list {
    display: none;
  }
  
  /* Compact tables can still use horizontal scroll */
  .table-container .table-compact {
    display: table;
    min-width: 100%;
    font-size: var(--font-size-sm);
  }
  
  /* Regular tables should scroll horizontally */
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
  }
  
  .table {
    min-width: 600px;
    display: table;
  }
  
  .table th,
  .table td {
    white-space: nowrap;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  /* Allow text wrap on first column (usually names) */
  .table td:first-child,
  .table th:first-child {
    white-space: normal;
    min-width: 100px;
    position: sticky;
    left: 0;
    background: var(--color-bg-secondary);
    z-index: 1;
  }
  
  .table thead th:first-child {
    z-index: 11;
  }
  
  /* Action buttons in tables */
  .table .cell-actions {
    white-space: nowrap;
    min-width: 120px;
  }
  
  .table .cell-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    min-height: 36px;
  }
}

/* Forms Mobile */
@media screen and (max-width: 768px) {
  .form-group {
    margin-bottom: var(--spacing-lg);
  }
  
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* Prevents iOS zoom on focus */
    min-height: 48px;
  }
  
  .form-label {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
  }
  
  /* Full width buttons on mobile */
  .btn-block-mobile {
    width: 100%;
    display: block;
  }
  
  .form-switch {
    transform: scale(1.1);
  }
}

/* Cards and Sections Mobile */
@media screen and (max-width: 768px) {
  .section-title {
    font-size: var(--font-size-lg);
    padding-bottom: var(--spacing-md);
  }
  
  .stat-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
  }
  
  .stat-card-value {
    font-size: var(--font-size-2xl);
  }
  
  .info-banner {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  /* Page body adjustments */
  .page-body {
    padding: var(--spacing-lg);
  }
  
  /* Legacy card styles for clients page */
  .card {
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
  }
  
  /* Flexbox layouts need to stack */
  .card[style*="flex-direction:row"] {
    flex-direction: column !important;
  }
  
  .card > div[style*="border-right"] {
    border-right: none !important;
    border-bottom: 2px solid var(--color-border) !important;
    padding-right: 0 !important;
    padding-bottom: var(--spacing-lg) !important;
    margin-bottom: var(--spacing-lg) !important;
  }
}

/* Buttons Mobile */
@media screen and (max-width: 768px) {
  .btn {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  
  .btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
    min-height: 36px;
  }
  
  .cell-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
  }
  
  .cell-actions .btn {
    flex: 1;
    min-width: 60px;
    justify-content: center;
  }
}

/* Settings Toggles Mobile */
@media screen and (max-width: 768px) {
  .settings-controls {
    gap: var(--spacing-sm);
  }
  
  .lang-toggle {
    padding: var(--spacing-xs);
  }
  
  .lang-option {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }
  
  .theme-toggle {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-md);
  }
}

/* Alerts Mobile */
@media screen and (max-width: 768px) {
  .alert {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}

/* Modals Mobile */
@media screen and (max-width: 768px) {
  .modal {
    width: calc(100% - var(--spacing-lg) * 2);
    max-height: calc(100vh - var(--spacing-lg) * 2);
    margin: var(--spacing-lg);
  }
  
  .modal-content {
    padding: var(--spacing-lg);
  }
  
  .modal-header,
  .modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* Badge Mobile */
@media screen and (max-width: 768px) {
  .badge {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* Specific Phone Adjustments (under 480px) */
@media screen and (max-width: 480px) {
  .page-wrapper {
    padding: var(--spacing-sm);
  }
  
  .page-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
  }
  
  .page-nav-center .btn {
    min-width: 100px;
    font-size: var(--font-size-xs);
  }
  
  .login-card {
    padding: var(--spacing-lg);
  }
  
  .login-logo h1 {
    font-size: var(--font-size-xl);
  }
  
  .section-title {
    font-size: var(--font-size-md);
  }
  
  /* Stack action buttons vertically on very small screens */
  .d-flex.gap-3 {
    flex-direction: column;
  }
  
  .d-flex.gap-3 > * {
    width: 100%;
  }
}

/* Targeted tuning for ~390-430px phone widths */
@media screen and (max-width: 430px) {
  :root {
    --spacing-2xl: 20px;
    --spacing-xl: 18px;
    --spacing-lg: 14px;
  }

  .page-header {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .page-nav {
    gap: var(--spacing-sm);
  }

  .page-body {
    padding: var(--spacing-lg);
  }

  .table-card {
    gap: var(--spacing-sm);
  }

  .table-card-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .table-card-label {
    flex: unset;
  }

  .table-card-value {
    width: 100%;
  }
}

/* Touch-friendly Interactions */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects on touch devices */
  .btn:hover,
  .table tr:hover td,
  .nav-link:hover {
    transform: none;
  }
  
  /* Larger touch targets */
  .editable,
  .sortable {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  
  /* Better checkbox/radio touch targets */
  input[type="checkbox"],
  input[type="radio"] {
    min-width: 24px;
    min-height: 24px;
  }
}

/* Hide scrollbars on mobile but keep functionality */
@media screen and (max-width: 768px) {
  .table-container::-webkit-scrollbar {
    height: 4px;
  }
  
  .table-container::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
  }
}

/* Landscape Phone Orientation */
@media screen and (max-height: 500px) and (orientation: landscape) {
  .page-wrapper {
    padding: var(--spacing-sm);
  }
  
  .page-header {
    margin-bottom: var(--spacing-sm);
  }
  
  .page-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .login-page {
    padding: var(--spacing-sm);
  }
  
  .login-card {
    padding: var(--spacing-md);
  }
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.animate-fadeIn {
  animation: fadeIn 0.4s ease-out forwards;
}

.animate-slideIn {
  animation: slideIn 0.4s ease-out forwards;
}

.animate-scaleIn {
  animation: scaleIn 0.3s ease-out forwards;
}

/* Staggered animation for children */
.stagger-children > * {
  opacity: 0;
  animation: fadeIn 0.4s ease-out forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }

/* ==========================================================================
   ADDITIONAL ANIMATIONS & MICRO-INTERACTIONS
   ========================================================================== */

/* Pulse animation for alerts */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Shimmer loading effect */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.loading-shimmer {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-bg-hover) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* Glow animation for important elements */
@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px rgba(var(--color-primary-rgb), 0.2); }
  50% { box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.4); }
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

/* Float animation for icons */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Hover lift effect for cards */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Button ripple effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--color-text-primary) 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform 0.5s, opacity 0.5s;
}

.btn-ripple:active::after {
  transform: scale(0, 0);
  opacity: 0.3;
  transition: 0s;
}

/* Focus ring for accessibility */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.4);
}

/* Smooth scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-bg-tertiary);
  border-radius: 4px;
  border: 2px solid var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-light);
}

/* Selection styling */
::selection {
  background: rgba(var(--color-primary-rgb), 0.3);
  color: var(--color-text-primary);
}

/* Tooltip styling */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 8px 12px;
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-tooltip]:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* Skeleton loading states */
.skeleton {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 0%, var(--color-bg-hover) 50%, var(--color-bg-tertiary) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 1em;
  margin: 0.5em 0;
}

.skeleton-title {
  height: 1.5em;
  width: 60%;
  margin-bottom: 1em;
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

/* Empty state styling */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 8px;
  color: var(--color-text-secondary);
}

.empty-state-description {
  font-size: var(--font-size-sm);
  max-width: 400px;
  margin: 0 auto;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  body::before,
  .nav-bar,
  .btn,
  .page-footer,
  .modal-backdrop {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  .table th,
  .table td {
    border: 1px solid #ddd;
    color: black;
  }
}

/* ==========================================================================
   ADDITIONAL MOBILE ENHANCEMENTS
   ========================================================================== */

/* Smoother page transitions */
.page-wrapper,
.page-card,
.page-body {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Better focus states for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mobile-optimized cards */
@media screen and (max-width: 768px) {
  .broker-card,
  .stat-card,
  .info-card {
    padding: var(--spacing-md);
  }
  
  .broker-card h3,
  .stat-card h3 {
    font-size: var(--font-size-md);
  }
  
  /* Better table cell alignment on mobile */
  .table td {
    vertical-align: middle;
  }
  
  /* Improved action buttons on mobile */
  .cell-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: nowrap;
  }
  
  .cell-actions .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    white-space: nowrap;
  }
  
  /* Scrollable page header for long titles */
  .page-title {
    word-break: break-word;
    overflow-wrap: break-word;
  }
  
  /* Better spacing for form groups on mobile */
  .form-group + .form-group {
    margin-top: var(--spacing-lg);
  }
}

/* Extra small screens (under 360px) */
@media screen and (max-width: 360px) {
  .page-wrapper {
    padding: var(--spacing-xs);
  }
  
  .page-card {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
  }
  
  .page-title {
    font-size: var(--font-size-lg);
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
  }
  
  .form-input,
  .form-select {
    padding: var(--spacing-sm);
    font-size: var(--font-size-sm);
  }
}

/* Safe area insets for notched devices */
@supports (padding: max(0px)) {
  .page-wrapper {
    padding-left: max(var(--spacing-md), env(safe-area-inset-left));
    padding-right: max(var(--spacing-md), env(safe-area-inset-right));
    padding-bottom: max(var(--spacing-md), env(safe-area-inset-bottom));
  }
}

/* Improved scrollbar for mobile */
@media screen and (max-width: 768px) {
  * {
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
  }
  
  *::-webkit-scrollbar {
    width: 4px;
    height: 4px;
  }
  
  *::-webkit-scrollbar-track {
    background: transparent;
  }
  
  *::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
  }
}

/* Prevent layout shifts */
img, video, iframe {
  max-width: 100%;
  height: auto;
}

/* Better text rendering */
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Improve tap targets for mobile */
@media (hover: none) and (pointer: coarse) {
  .btn-xs {
    min-height: 36px;
    min-width: 36px;
  }
  
  .btn-sm {
    min-height: 40px;
    min-width: 40px;
  }
  
  a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
  
  /* Larger touch targets for table links */
  .table a {
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: calc(-1 * var(--spacing-xs)) calc(-1 * var(--spacing-sm));
  }
}

/* ==========================================================================
   ENHANCED MOBILE TABLE-TO-CARD TRANSFORMS
   ========================================================================== */

/* Default desktop behavior - show tables, hide cards */
.data-table-container .table-wrapper {
  display: block;
}

.data-table-container .mobile-cards {
  display: none;
}

.table-container > table {
  display: table;
}

.table-container .mobile-cards,
.mobile-cards {
  display: none;
}

/* Automatic table hiding and card showing on mobile for data tables */
@media screen and (max-width: 768px) {
  /* Hide regular tables on very small screens, show cards */
  .data-table-container {
    position: relative;
  }
  
  /* Default: hide desktop table, show mobile cards */
  .data-table-container .table-wrapper {
    display: none;
  }
  
  .data-table-container .mobile-cards,
  .table-container .mobile-cards,
  .mobile-cards {
    display: block !important;
  }
  
  /* If explicitly shown, override */
  .data-table-container.show-table .table-wrapper {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .data-table-container.show-table .mobile-cards {
    display: none;
  }
  
  /* Mobile card styling for data rows */
  .mobile-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
  }
  
  .mobile-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  .mobile-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
  }
  
  .mobile-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
  }
  
  .mobile-card-title a {
    color: var(--color-primary);
    text-decoration: none;
  }
  
  .mobile-card-body {
    display: grid;
    gap: var(--spacing-sm);
  }
  
  .mobile-card-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
  }
  
  .mobile-card-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-semibold);
  }
  
  .mobile-card-value {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    text-align: right;
    word-break: break-word;
  }
  
  .mobile-card-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
  }
  
  .mobile-card-actions .btn {
    flex: 1;
    min-width: 100px;
    justify-content: center;
  }
  
  /* View toggle button for mobile */
  .mobile-view-toggle-btn {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .mobile-view-toggle-btn .btn {
    flex: 1;
    max-width: 150px;
  }
}

/* Hide mobile view toggle on desktop */
@media screen and (min-width: 769px) {
  .mobile-view-toggle-btn {
    display: none;
  }
  
  .mobile-cards {
    display: none;
  }
}

/* ==========================================================================
   HAMBURGER MENU FOR MOBILE NAVIGATION
   ========================================================================== */

.mobile-nav-toggle {
  display: none;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
}

@media screen and (max-width: 768px) {
  .mobile-nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }
  
  /* Collapsible navigation on mobile */
  .page-nav-center.collapsed {
    display: none;
  }
  
  .page-nav-center.expanded {
    display: flex;
    flex-direction: column;
    width: 100%;
  }
}

/* ==========================================================================
   ENHANCED FORM LAYOUTS FOR MOBILE
   ========================================================================== */

@media screen and (max-width: 768px) {
  /* Stack all form rows vertically */
  .form-row {
    grid-template-columns: 1fr !important;
  }
  
  /* Full width buttons on forms */
  .form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .form-actions .btn {
    width: 100%;
  }
  
  /* Better label visibility */
  .form-label {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
  }
  
  /* Touch-friendly select dropdowns */
  .form-select {
    background-size: 16px;
    background-position: right var(--spacing-md) center;
  }
}

/* ==========================================================================
   COLLAPSIBLE SECTIONS FOR MOBILE
   ========================================================================== */

.collapsible-section {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.collapsible-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-elevated);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}

.collapsible-header:hover {
  background: var(--color-bg-hover);
}

.collapsible-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.collapsible-icon {
  font-size: var(--font-size-lg);
  transition: transform var(--transition-normal);
}

.collapsible-section.collapsed .collapsible-icon {
  transform: rotate(-90deg);
}

.collapsible-content {
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  display: block;
}

.collapsible-section.collapsed .collapsible-content {
  display: none;
}

/* ==========================================================================
   MOBILE OPTIMIZED MODALS
   ========================================================================== */

@media screen and (max-width: 768px) {
  .modal-backdrop {
    padding: 0;
  }
  
  .modal {
    margin: 0;
    width: 100%;
    max-width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
  }
  
  .modal-body {
    max-height: calc(100vh - 180px);
    overflow-y: auto;
  }
  
  .modal-footer {
    position: sticky;
    bottom: 0;
    background: var(--color-bg-elevated);
  }
}

/* ==========================================================================
   IMPROVED BUTTON GROUPS ON MOBILE
   ========================================================================== */

@media screen and (max-width: 768px) {
  .btn-group {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-md);
  }
  
  .btn-group .btn {
    border-radius: 0;
    width: 100%;
  }
  
  .btn-group .btn:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }
  
  .btn-group .btn:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }
}

/* ==========================================================================
   STICKY HEADERS FOR MOBILE TABLES
   ========================================================================== */

@media screen and (max-width: 768px) {
  .table-wrapper {
    position: relative;
  }
  
  .table thead {
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  .table th {
    background: var(--color-bg-elevated);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
}

/* ==========================================================================
   ENHANCED STAT CARDS FOR MOBILE GRID
   ========================================================================== */

@media screen and (max-width: 768px) {
  .stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .stat-card {
    padding: var(--spacing-md);
  }
  
  .stat-card-value {
    font-size: var(--font-size-xl);
  }
}

@media screen and (min-width: 480px) and (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   LOADING STATES FOR MOBILE
   ========================================================================== */

.mobile-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-3xl);
  color: var(--color-text-muted);
}

.mobile-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}