/* ============================================
   Count My Carbs Admin Dashboard
   CSS Styles - Clean, Accessible, Professional
   ============================================ */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors - Primary */
  --color-primary-50: #eef2ff;
  --color-primary-100: #e0e7ff;
  --color-primary-200: #c7d2fe;
  --color-primary-300: #a5b4fc;
  --color-primary-400: #818cf8;
  --color-primary-500: #6366f1;
  --color-primary-600: #4f46e5;
  --color-primary-700: #4338ca;
  --color-primary-800: #3730a3;
  --color-primary-900: #312e81;
  
  /* Colors - Semantic */
  --color-success-50: #ecfdf5;
  --color-success-500: #10b981;
  --color-success-600: #059669;
  --color-success-700: #047857;
  
  --color-warning-50: #fffbeb;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  
  --color-danger-50: #fef2f2;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;
  --color-danger-700: #b91c1c;
  
  --color-info-50: #eff6ff;
  --color-info-500: #3b82f6;
  --color-info-600: #2563eb;
  --color-info-700: #1d4ed8;
  
  /* Colors - Neutral */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Semantic Colors */
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-muted: var(--color-gray-500);
  --color-text-inverse: #ffffff;
  
  --color-bg-primary: #ffffff;
  --color-bg-secondary: var(--color-gray-50);
  --color-bg-tertiary: var(--color-gray-100);
  
  --color-border: var(--color-gray-200);
  --color-border-focus: var(--color-primary-500);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Typography */
  --font-family-base: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  
  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --sidebar-width: 280px;
  --sidebar-width-collapsed: 72px;
  --header-height: 72px;
  --content-max-width: 1400px;
  
  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;
}

/* ============================================
   CSS Reset & Base Styles
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility - Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary-600);
  color: var(--color-text-inverse);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Visually Hidden (SR only) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background: var(--color-primary-200);
  color: var(--color-primary-900);
}

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

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

p {
  margin-bottom: var(--space-4);
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-700);
}

strong {
  font-weight: var(--font-weight-semibold);
}

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   Utility Classes
   ============================================ */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ============================================
   Login Page
   ============================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.login-page::before,
.login-page::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  animation: float 8s ease-in-out infinite;
}

.login-page::before {
  width: 400px;
  height: 400px;
  top: -200px;
  right: -100px;
}

.login-page::after {
  width: 300px;
  height: 300px;
  bottom: -150px;
  left: -100px;
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(20px) rotate(5deg); }
}

.login-card {
  background: var(--color-bg-primary);
  padding: var(--space-10);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 1;
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from { 
    opacity: 0; 
    transform: translateY(30px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

.login-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.login-logo svg {
  width: 32px;
  height: 32px;
}

.login-card h1 {
  text-align: center;
  margin-bottom: var(--space-2);
}

.login-card > p {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.login-card form {
  margin-top: var(--space-6);
}

.password-input-wrapper {
  position: relative;
}

.password-input-wrapper input {
  padding-right: 44px;
}

.toggle-password {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.toggle-password:hover {
  color: var(--color-text-primary);
}

.form-help {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ============================================
   Dashboard Layout
   ============================================ */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
  color: var(--color-text-inverse);
  display: flex;
  flex-direction: column;
  z-index: var(--z-fixed);
  transition: transform var(--transition-slow);
  overflow: hidden;
}

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar-logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-logo-icon svg {
  width: 24px;
  height: 24px;
}

.sidebar-logo-text h1 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--space-1);
}

.sidebar-logo-text p {
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  margin: 0;
}

/* User Info */
.user-info {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.user-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.user-avatar svg {
  width: 24px;
  height: 24px;
  color: white;
}

.user-details {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.user-email {
  display: block;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  color: white;
  white-space: nowrap;
  overflow: hidden;
  line-height: 1.4;
  margin-bottom: 2px;
  max-width: 100%;
}

.user-details:hover .user-email {
  overflow: visible;
  white-space: normal;
  word-break: break-all;
}

.user-role {
  font-size: 11px;
  color: var(--color-primary-300);
  display: block;
  line-height: 1.3;
  word-break: break-word;
}

.user-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
}

.profile-btn {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
  border: none;
  color: white;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.profile-btn:hover {
  background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-500) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

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

.logout-btn {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--color-gray-300);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.logout-btn svg {
  width: 14px;
  height: 14px;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) 0;
}

.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}

.nav-section {
  margin-bottom: var(--space-4);
}

.nav-section-title {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  padding: var(--space-2) var(--space-6);
  margin-bottom: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  color: var(--color-gray-300);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: all var(--transition-fast);
  position: relative;
  cursor: pointer;
}

.nav-link svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-link:hover {
  color: white;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: white;
  background: rgba(99, 102, 241, 0.3);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-badge {
  background: var(--color-danger);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: auto;
  min-width: 18px;
  text-align: center;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-slow);
}

/* Top Bar */
.top-bar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-bg-primary);
  height: var(--header-height);
  padding: 0 var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.top-bar-left {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
}

.top-bar-title {
  flex: 1;
  min-width: 0;
}

.top-bar-title h2,
.top-bar-left h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.top-bar-title p,
.top-bar-left p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Content Area */
.content-area {
  flex: 1;
  padding: var(--space-8);
  max-width: var(--content-max-width);
  margin: 0 auto;
  width: 100%;
}

/* Pages */
.page {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.page.active {
  display: block;
}

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

/* Global Loader */
.global-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  z-index: var(--z-modal);
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.card-header h3 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.card-header h3 svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-500);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-body {
  padding: var(--space-6);
}

/* Chart Cards */
.chart-card .chart-container {
  padding: var(--space-6);
  padding-top: 0;
}

.chart-container canvas {
  max-height: 300px;
}

/* ============================================
   Statistics Cards
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-700));
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.stat-info {
  flex: 1;
}

.stat-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  margin-bottom: var(--space-2);
}

.stat-value {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.stat-change svg {
  width: 16px;
  height: 16px;
}

.stat-change.positive {
  color: var(--color-success-600);
}

.stat-change.negative {
  color: var(--color-danger-600);
}

.stat-change.neutral {
  color: var(--color-text-muted);
}

.stat-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary-600);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.form-group input:disabled,
.form-group select:disabled {
  background: var(--color-bg-tertiary);
  cursor: not-allowed;
}

.form-group small {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-group.error input,
.form-group.error select {
  border-color: var(--color-danger-500);
}

.form-group.error small {
  color: var(--color-danger-600);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* Filter Grid */
.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

.filter-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
  color: var(--color-text-inverse);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-tertiary);
}

.btn-success {
  background: var(--color-success-500);
  color: var(--color-text-inverse);
}

.btn-success:hover:not(:disabled) {
  background: var(--color-success-600);
}

.btn-warning {
  background: var(--color-warning-500);
  color: var(--color-text-inverse);
}

.btn-warning:hover:not(:disabled) {
  background: var(--color-warning-600);
}

.btn-danger {
  background: var(--color-danger-500);
  color: var(--color-text-inverse);
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-danger-600);
}

.btn-info {
  background: var(--color-info-500);
  color: var(--color-text-inverse);
}

.btn-info:hover:not(:disabled) {
  background: var(--color-info-600);
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn-sm svg {
  width: 16px;
  height: 16px;
}

.btn-block {
  width: 100%;
}

/* ============================================
   Tables
   ============================================ */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table th,
table td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

table th {
  background: var(--color-bg-tertiary);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

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

table tbody tr:hover {
  background: var(--color-bg-secondary);
}

table td .user-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

table td .user-email {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Checkbox in tables */
table input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-primary-500);
}

/* ============================================
   Badges
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge svg {
  width: 12px;
  height: 12px;
}

.badge-success {
  background: var(--color-success-50);
  color: var(--color-success-700);
}

.badge-warning {
  background: var(--color-warning-50);
  color: var(--color-warning-700);
}

.badge-danger {
  background: var(--color-danger-50);
  color: var(--color-danger-700);
}

.badge-info {
  background: var(--color-info-50);
  color: var(--color-info-700);
}

.badge-secondary {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

/* ============================================
   Alerts
   ============================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
}

.alert svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-success {
  background: var(--color-success-50);
  color: var(--color-success-700);
  border-left: 4px solid var(--color-success-500);
}

.alert-warning {
  background: var(--color-warning-50);
  color: var(--color-warning-700);
  border-left: 4px solid var(--color-warning-500);
}

.alert-danger,
.alert-error {
  background: var(--color-danger-50);
  color: var(--color-danger-700);
  border-left: 4px solid var(--color-danger-500);
}

.alert-info {
  background: var(--color-info-50);
  color: var(--color-info-700);
  border-left: 4px solid var(--color-info-500);
}

/* ============================================
   Search Section
   ============================================ */
.search-section {
  background: var(--color-bg-primary);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.search-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.search-header h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.search-input-wrapper {
  position: relative;
}

.search-input-wrapper input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: 44px;
  padding-right: 44px;
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input-wrapper input:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.search-input-wrapper .search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input-wrapper .search-icon svg {
  width: 18px;
  height: 18px;
}

.search-input-wrapper .clear-search {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.search-input-wrapper .clear-search:hover {
  color: var(--color-text-primary);
}

.advanced-filters {
  display: none;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  animation: slideDown 0.2s ease-out;
}

.advanced-filters.show {
  display: block;
}

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

/* ============================================
   Charts Grid
   ============================================ */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

/* ============================================
   Quick Actions Grid
   ============================================ */
.quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  padding: var(--space-6);
}

/* ============================================
   Modal
   ============================================ */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  overflow-y: auto;
  padding: var(--space-6);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: -1;
  animation: fadeIn 0.2s ease-out;
}

.modal-content {
  background: var(--color-bg-primary);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  animation: modalSlideUp 0.3s ease-out;
}

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

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

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
}

.modal-header h3 svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-500);
}

.modal-close {
  width: 36px;
  height: 36px;
  background: var(--color-bg-tertiary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-danger-500);
  color: white;
}

/* Light variant for coloured modal headers (e.g. green success) */
.modal-close.modal-close-light {
  background: rgba(255, 255, 255, 0.2) !important;
  color: white !important;
}

.modal-close.modal-close-light:hover {
  background: var(--color-danger-500) !important;
  color: white !important;
}

.modal-close svg {
  width: 18px;
  height: 18px;
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ============================================
   Toast Notifications
   ============================================ */

/* Modal Overlay (for dynamically created modals) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  animation: fadeIn 0.2s ease-out;
}

.modal-overlay .modal-content {
  background: var(--color-bg-primary);
  border-radius: var(--radius-2xl);
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  animation: modalSlideUp 0.3s ease-out;
}

.modal-overlay .modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-primary);
}

.modal-overlay .modal-header h2 {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  margin: 0;
}

.modal-overlay .modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-overlay .modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--color-bg-primary);
}

/* User Creation Wizard specific styles */
.user-creation-modal {
  max-width: 700px;
}

.wizard-step .form-group {
  margin-bottom: var(--space-4);
}

.wizard-step .form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.wizard-step .form-control {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.wizard-step .form-control:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.wizard-step select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Spinning animation for loader */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin {
  animation: spin 1s linear infinite;
}

.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 400px;
  animation: toastSlideIn 0.3s ease-out;
}

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

.toast.toast-exit {
  animation: toastSlideOut 0.2s ease-in forwards;
}

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

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-success-500); }
.toast-error .toast-icon { color: var(--color-danger-500); }
.toast-warning .toast-icon { color: var(--color-warning-500); }
.toast-info .toast-icon { color: var(--color-info-500); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-text-primary);
}

/* ============================================
   Bulk Actions Bar
   ============================================ */
.bulk-actions-bar {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-primary);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  z-index: var(--z-fixed);
  animation: bulkBarSlideUp 0.3s ease-out;
}

@keyframes bulkBarSlideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%);
  }
}

.bulk-actions-bar.hidden {
  display: none;
}

.bulk-info {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.bulk-buttons {
  display: flex;
  gap: var(--space-2);
}

/* ============================================
   Loading States
   ============================================ */
.loading-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  color: var(--color-text-muted);
  gap: var(--space-4);
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-12);
  color: var(--color-text-muted);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Analytics Toggle
   ============================================ */
.analytics-toggle {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  background: var(--color-bg-tertiary);
  padding: var(--space-1);
  border-radius: var(--radius-lg);
  width: fit-content;
}

.analytics-toggle .btn {
  border-radius: var(--radius-md);
}

.analytics-toggle .btn.active {
  background: var(--color-bg-primary);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   Alerts Page Specific
   ============================================ */
.alerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-6);
}

.alerts-list {
  max-height: 400px;
  overflow-y: auto;
}

.alert-item {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.alert-item:hover {
  transform: translateX(4px);
}

.alert-item.critical {
  background: var(--color-danger-50);
  border-left: 4px solid var(--color-danger-500);
}

.alert-item.warning {
  background: var(--color-warning-50);
  border-left: 4px solid var(--color-warning-500);
}

.thresholds-form {
  padding: var(--space-6);
}

.risk-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  padding: var(--space-6);
}

.risk-category {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.risk-category.high {
  background: var(--color-danger-50);
}

.risk-category.medium {
  background: var(--color-warning-50);
}

.risk-category.low {
  background: var(--color-success-50);
}

.risk-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  font-weight: var(--font-weight-semibold);
}

.risk-category.high .risk-header {
  background: var(--color-danger-100);
  color: var(--color-danger-700);
}

.risk-category.medium .risk-header {
  background: var(--color-warning-100);
  color: var(--color-warning-700);
}

.risk-category.low .risk-header {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.risk-count {
  font-size: var(--font-size-xl);
}

.risk-list {
  padding: var(--space-3);
  max-height: 200px;
  overflow-y: auto;
}

.risk-user-item {
  padding: var(--space-2) var(--space-3);
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.risk-user-item:hover {
  transform: translateX(2px);
}

/* ============================================
   Mobile Styles
   ============================================ */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  background: var(--color-primary-600);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
  margin-right: var(--space-3);
}

.mobile-menu-btn:hover {
  background: var(--color-primary-700);
}

.mobile-menu-btn svg {
  width: 22px;
  height: 22px;
}

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-fixed) - 1);
}

.mobile-overlay.show {
  display: block;
}

@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .risk-categories {
    grid-template-columns: 1fr;
  }
  
  .alerts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .top-bar {
    padding: var(--space-3) var(--space-4);
    height: auto;
    min-height: 56px;
  }
  
  .top-bar-left {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
  }
  
  .top-bar-left h2,
  .top-bar-title h2 {
    font-size: var(--font-size-base);
    margin-bottom: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .top-bar-left p,
  .top-bar-title p {
    display: none;
  }
  
  .content-area {
    padding: var(--space-4);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .quick-actions-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .filter-grid {
    grid-template-columns: 1fr;
  }
  
  .bulk-actions-bar {
    left: var(--space-4);
    right: var(--space-4);
    transform: none;
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
  }
  
  .toast {
    min-width: auto;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .quick-actions-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    margin: var(--space-4);
    max-height: calc(100vh - var(--space-8));
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .btn {
    width: 100%;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .sidebar,
  .mobile-menu-btn,
  .top-bar,
  .bulk-actions-bar,
  .toast-container {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* ============================================
   Edit User Form Styles
   ============================================ */

.form-section {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  background: var(--color-surface);
}

.form-section legend {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  padding: 0 var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-section legend i {
  width: 16px;
  height: 16px;
  color: var(--color-primary-600);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.form-control {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--color-bg);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-control:disabled {
  background: var(--color-gray-100);
  cursor: not-allowed;
}

.form-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-checkbox {
  flex-direction: row !important;
  align-items: center !important;
}

.form-checkbox label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary-600);
}

/* Modal large variant */
.modal-content[style*="max-width: 800px"] {
  width: 90%;
}

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Medical Configuration Modal Styles
   ============================================ */

.modal-xl {
  max-width: 1000px !important;
}

/* Tab Navigation */
.mc-tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0;
  flex-wrap: wrap;
}

.mc-tab {
  padding: 0.75rem 1rem;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s ease;
}

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

.mc-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: none;
}

/* Tab Content */
.mc-tab-content {
  display: none;
}

.mc-tab-content.active {
  display: block;
}

/* Compact table for medical config */
.data-table.compact {
  font-size: 0.875rem;
}

.data-table.compact th,
.data-table.compact td {
  padding: 0.5rem 0.75rem;
}

.data-table.compact .form-control-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.8125rem;
}

.data-table.compact input[type="number"] {
  width: 80px;
  text-align: center;
}

/* Info badge in modal header */
.modal-header .badge {
  margin-left: auto;
  margin-right: 1rem;
}

/* Responsive adjustments for medical config */
@media (max-width: 768px) {
  .mc-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  
  .mc-tab {
    flex-shrink: 0;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }
  
  .modal-xl {
    max-width: 100% !important;
    margin: 0.5rem;
  }
  
  .data-table.compact input[type="number"] {
    width: 60px;
  }
}

/* Global Settings Tab Content */
.gs-tab-content {
  display: none;
}

.gs-tab-content.active {
  display: block;
}

/* Global Settings Actions Footer */
.gs-actions-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-end;
}

@media (max-width: 480px) {
  .gs-actions-footer {
    flex-direction: column;
  }
  
  .gs-actions-footer .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Autocomplete Suggestions */
.autocomplete-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 250px;
  overflow-y: auto;
  background: white;
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

.autocomplete-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border-light);
  transition: background-color 0.15s;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
  background-color: var(--color-primary-50);
}

.autocomplete-item-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.autocomplete-item-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.autocomplete-no-results {
  padding: 12px 14px;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ============================================
   Enhanced Responsive Styles
   ============================================ */

/* Tablets and below */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 260px;
  }
  
  .form-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    max-width: 95%;
    margin: var(--space-4);
  }
  
  .modal-xl {
    max-width: 95%;
  }
}

/* Mobile landscape and tablets */
@media (max-width: 768px) {
  :root {
    --space-4: 0.875rem;
    --space-6: 1.25rem;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .sidebar {
    position: fixed;
    z-index: 1000;
    transform: translateX(-100%);
    width: 280px;
    max-width: 85vw;
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .top-bar {
    padding: var(--space-3) var(--space-4);
    height: auto;
    min-height: 56px;
  }
  
  .top-bar-left {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
  }
  
  .top-bar-left h2,
  .top-bar-title h2 {
    font-size: var(--font-size-base);
    margin-bottom: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .top-bar-left p,
  .top-bar-title p {
    display: none;
  }
  
  .top-bar-right {
    gap: var(--space-2);
  }
  
  .content-area {
    padding: var(--space-4);
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  
  .stat-card {
    padding: var(--space-3);
  }
  
  .stat-card-value {
    font-size: var(--font-size-2xl);
  }
  
  .quick-actions-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  
  .filter-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .ai-selection-modes {
    grid-template-columns: 1fr;
  }
  
  .ai-provider-grid {
    grid-template-columns: 1fr;
  }
  
  table {
    font-size: var(--font-size-sm);
  }
  
  table th,
  table td {
    padding: var(--space-2) var(--space-3);
  }
  
  .data-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .bulk-actions-bar {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
    transform: none;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-3);
  }
  
  .toast-container {
    left: var(--space-3);
    right: var(--space-3);
    bottom: var(--space-3);
  }
  
  .toast {
    min-width: auto;
    max-width: none;
  }
  
  /* Modal improvements for mobile */
  .modal-content {
    margin: var(--space-3);
    max-height: calc(100vh - var(--space-6));
    max-width: calc(100vw - var(--space-6));
  }
  
  .modal-body {
    max-height: 60vh;
    padding: var(--space-4);
  }
  
  .modal-header {
    padding: var(--space-3) var(--space-4);
  }
  
  .modal-header h3 {
    font-size: var(--font-size-lg);
  }
  
  .modal-footer {
    padding: var(--space-3) var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .modal-footer .btn {
    flex: 1;
    min-width: 100px;
  }
  
  /* User detail modal adjustments */
  .user-detail-header {
    flex-direction: column;
    text-align: center;
  }
  
  .detail-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* Fieldset adjustments */
  fieldset.form-section {
    padding: var(--space-3);
  }
  
  fieldset.form-section legend {
    font-size: var(--font-size-sm);
    padding: var(--space-1) var(--space-2);
  }
}

/* Mobile portrait */
@media (max-width: 480px) {
  :root {
    --space-4: 0.75rem;
    --space-6: 1rem;
    --font-size-base: 14px;
  }
  
  body {
    font-size: var(--font-size-sm);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-actions-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .stat-card-icon {
    order: 2;
  }
  
  .stat-card-content {
    order: 1;
  }
  
  .modal-footer {
    flex-direction: column;
  }
  
  .modal-footer .btn {
    width: 100%;
  }
  
  /* Button adjustments */
  .btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
  }
  
  .btn-sm {
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
  }
  
  /* Table mobile view */
  .data-table thead {
    display: none;
  }
  
  .data-table tr {
    display: block;
    margin-bottom: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: white;
  }
  
  .data-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border-light);
  }
  
  .data-table td:last-child {
    border-bottom: none;
  }
  
  .data-table td::before {
    content: attr(data-label);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
  }
  
  /* Global settings tabs mobile */
  .gs-tabs {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .gs-tab {
    flex: 1;
    min-width: calc(50% - var(--space-2));
    padding: var(--space-2);
    font-size: var(--font-size-xs);
    justify-content: center;
  }
  
  /* Medical config tabs mobile */
  .mc-tabs {
    flex-wrap: wrap;
    gap: var(--space-1);
  }
  
  .mc-tab {
    flex: 1;
    min-width: calc(33% - var(--space-1));
    padding: var(--space-2);
    font-size: var(--font-size-xs);
    text-align: center;
  }
  
  /* Sidebar user info mobile */
  .user-actions {
    flex-direction: column;
  }
  
  .profile-btn,
  .logout-btn {
    width: 100%;
  }
}

/* ============================================
   AI Provider Selection - Improved Styles
   ============================================ */
.ai-mode-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.ai-mode-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
}

.ai-mode-option:hover {
  border-color: var(--color-primary-300);
  background: var(--color-primary-50);
}

.ai-mode-option:has(input:checked) {
  border-color: var(--color-primary-500);
  background: var(--color-primary-50);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.ai-mode-option input[type="radio"] {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--color-primary-500);
}

.ai-mode-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.ai-mode-icon {
  font-size: 24px;
  line-height: 1;
}

.ai-mode-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-mode-text strong {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.ai-mode-text span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.ai-config-panel {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-4);
}

.ai-config-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.ai-config-icon {
  font-size: 24px;
  line-height: 1;
}

.ai-config-header strong {
  display: block;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.ai-config-header small {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.ai-provider-select {
  max-width: 100%;
  padding: var(--space-3);
  font-size: var(--font-size-base);
}

.ai-providers-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ai-provider-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.ai-provider-item:hover {
  border-color: var(--color-primary-300);
  background: var(--color-primary-50);
}

.ai-provider-item:has(input:checked) {
  border-color: var(--color-success-500);
  background: var(--color-success-50);
}

.ai-provider-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--color-success-500);
}

.ai-provider-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.ai-provider-icon {
  font-size: 24px;
  line-height: 1;
}

.ai-provider-info strong {
  display: block;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.ai-provider-info small {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Responsive AI Provider */
@media (max-width: 768px) {
  .ai-mode-selector {
    grid-template-columns: 1fr;
  }
  
  .ai-mode-option {
    padding: var(--space-3);
  }
  
  .ai-provider-item {
    padding: var(--space-3);
  }
  
  .ai-mode-icon,
  .ai-config-icon,
  .ai-provider-icon {
    font-size: 20px;
  }
}

/* ============================================
   ENHANCED ANALYTICS STYLES
   ============================================ */

/**
 * ENHANCED ANALYTICS CSS
 * 
 * Add these styles to your styles.css file
 * These support the new analytics layout and components
 */

/* ============================================
   ANALYTICS SECTIONS
   ============================================ */

.analytics-section {
  margin-bottom: var(--space-8);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.section-title i {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.time-badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  margin-left: auto;
}

/* ============================================
   STATS GRID VARIATIONS
   ============================================ */

.stats-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.stats-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .stats-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .stats-grid-3,
  .stats-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   STAT CARD VARIANTS
   ============================================ */

.stat-card-success {
  border-left: 4px solid var(--color-success);
}

.stat-card-warning {
  border-left: 4px solid var(--color-warning);
}

.stat-card-danger {
  border-left: 4px solid var(--color-danger);
}

.stat-card-info {
  border-left: 4px solid var(--color-info);
}

/* Stat icon color variants */
.stat-icon.glucose-icon {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.stat-icon.high-icon {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.stat-icon.low-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.stat-icon.success-icon {
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.stat-icon.info-icon {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.stat-icon.warning-icon {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.stat-icon.danger-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* ============================================
   CHARTS ROW LAYOUT
   ============================================ */

.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.charts-row .chart-card {
  min-height: 300px;
}

.charts-row .chart-card-sm {
  min-height: 250px;
}

@media (max-width: 1024px) {
  .charts-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   TIME RANGE SELECTOR
   ============================================ */

.time-range-selector {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.time-range-btn {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.15s ease;
}

.time-range-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.time-range-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ============================================
   GLUCOSE EVENT BADGES
   ============================================ */

.event-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.event-badge.hypo {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.event-badge.hyper {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.event-badge.severe {
  background: rgba(239, 68, 68, 0.2);
  color: #b91c1c;
}

.event-badge.resolved {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}

/* ============================================
   TIR (TIME IN RANGE) DISPLAY
   ============================================ */

.tir-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.tir-value {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.tir-value.good {
  color: var(--color-success);
}

.tir-value.moderate {
  color: var(--color-warning);
}

.tir-value.poor {
  color: var(--color-danger);
}

.tir-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ============================================
   ANALYTICS CARDS
   ============================================ */

.analytics-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow 0.15s ease;
}

.analytics-card:hover {
  box-shadow: var(--shadow-md);
}

.analytics-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.analytics-card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

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

/* ============================================
   COMPARISON INDICATOR
   ============================================ */

.comparison {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.comparison.up {
  color: var(--color-success);
}

.comparison.down {
  color: var(--color-danger);
}

.comparison.neutral {
  color: var(--color-text-muted);
}

.comparison i {
  width: 14px;
  height: 14px;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
  .analytics-section {
    margin-bottom: var(--space-6);
  }
  
  .section-title {
    font-size: var(--font-size-base);
  }
  
  .stat-card .stat-value {
    font-size: 1.5rem;
  }
  
  .charts-row .chart-card {
    min-height: 250px;
  }
}

/* ============================================
   LOADING STATES FOR CHARTS
   ============================================ */

.chart-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--color-text-muted);
}

.chart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--color-text-muted);
  text-align: center;
}

.chart-empty i {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-3);
  opacity: 0.5;
}

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

@media print {
  .analytics-section {
    page-break-inside: avoid;
  }
  
  .charts-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .stat-card {
    border: 1px solid #ddd;
    box-shadow: none;
  }
}