:root {
  /* Safe area variables for mobile navbar extension */
  --safe-area-inset-top: env(safe-area-inset-top, 0px);
  --safe-area-inset-right: env(safe-area-inset-right, 0px);
  --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-inset-left: env(safe-area-inset-left, 0px);

  /* NUMA Brand Colors - Professional Blue Palette */
  --numa-blue-light: 204 68% 64%;    /* #499cd7 - Primary brand */
  --numa-blue-medium: 207 64% 45%;   /* #2973bb - Secondary brand */
  --numa-blue-accent: 207 68% 68%;   /* #6cadde - Light accent */
  --numa-blue-bg: 221 45% 95%;       /* #e7eef7 - Background tint */

  /* Base Colors - Light Mode with Enhanced Contrast */
  --background: 221 45% 96%;          /* Subtle blue-white background */
  --background-alt: 221 45% 93%;      /* Alternate background for sections */
  --foreground: 220 15% 8%;           /* Near black text - WCAG AAA */
  
  /* Card System - Modern Glassmorphism */
  --card: 0 0% 100%;                  /* Pure white cards */
  --card-foreground: 220 15% 8%;      /* Dark text on cards */
  --card-hover: 221 30% 98%;          /* Subtle hover state */
  
  /* Primary Brand Colors */
  --primary: 207 64% 45%;             /* NUMA Blue Medium - Better contrast */
  --primary-foreground: 0 0% 100%;    /* White text on primary */
  --primary-light: 204 68% 64%;       /* Lighter variant */
  --primary-dark: 207 64% 35%;        /* Darker variant */
  
  /* Secondary Colors */
  --secondary: 221 30% 90%;           /* Light blue-gray */
  --secondary-foreground: 220 15% 15%; /* Dark text on secondary */
  
  /* Muted Colors */
  --muted: 221 30% 88%;               /* Muted blue-gray */
  --muted-foreground: 220 15% 35%;    /* Readable text on muted */
  
  /* Accent Colors */
  --accent: 207 68% 68%;              /* Light NUMA accent */
  --accent-foreground: 220 15% 8%;    /* Dark text on accent */
  
  /* Status Colors - High Contrast for Light Mode */
  --destructive: 0 70% 50%;           /* Red */
  --destructive-foreground: 0 0% 100%; /* White text */
  --success: 142 70% 35%;             /* Green */
  --success-foreground: 0 0% 100%;    /* White text */
  --warning: 38 85% 45%;              /* Orange */
  --warning-foreground: 0 0% 5%;      /* Dark text */
  
  /* FIXED: Performance Result Colors for Light Mode - VERY DARK FOR WHITE TEXT */
  --performance-success: 142 80% 20%; /* Very dark green */
  --performance-success-foreground: 0 0% 100%;
  --performance-error: 0 85% 25%;     /* Very dark red */
  --performance-error-foreground: 0 0% 100%;
  
  /* Healthcare-specific Colors */
  --emergency: 0 70% 50%;             /* Emergency red */
  --emergency-foreground: 0 0% 100%;  /* White text */
  --vital-normal: 142 70% 45%;        /* Normal vitals - green */
  --vital-warning: 38 85% 45%;        /* Warning vitals - orange */
  --vital-critical: 0 70% 50%;        /* Critical vitals - red */
  --medication-due: 38 85% 45%;       /* Medication due - orange */
  --medication-overdue: 0 70% 50%;    /* Medication overdue - red */
  
  /* UI Elements */
  --border: 221 20% 82%;              /* Subtle borders */
  --input: 0 0% 100%;                 /* White input backgrounds */
  --ring: 207 64% 45%;                /* Focus ring color */
  --radius: 0.75rem;                  /* Standard border radius */
  
  /* Popover */
  --popover: 0 0% 100%;               /* White popovers */
  --popover-foreground: 220 15% 8%;   /* Dark text in popovers */
  
  /* Sidebar Colors */
  --sidebar-background: 221 30% 95%;  /* Light sidebar background */
  --sidebar-foreground: 220 15% 15%;  /* Dark text in sidebar */
  --sidebar-primary: 207 64% 45%;     /* Primary sidebar color */
  --sidebar-primary-foreground: 0 0% 100%; /* White text on primary */
  --sidebar-accent: 221 30% 88%;      /* Accent sidebar color */
  --sidebar-accent-foreground: 220 15% 15%; /* Dark text on accent */
  --sidebar-border: 221 20% 82%;      /* Sidebar borders */
  --sidebar-ring: 207 64% 45%;        /* Sidebar focus ring */

  /* Modern Gradients */
  --gradient-primary: linear-gradient(135deg, hsl(var(--primary-light)) 0%, hsl(var(--primary)) 50%, hsl(var(--primary-dark)) 100%);
  --gradient-secondary: linear-gradient(135deg, hsl(var(--secondary)) 0%, hsl(var(--muted)) 100%);
  --gradient-accent: linear-gradient(135deg, hsl(var(--accent)) 0%, hsl(var(--primary-light)) 100%);
  
  /* Glassmorphism Effects */
  --glass-background: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  
  /* Mobile navbar theme colors */
  --navbar-light: hsl(0 0% 100%);
  --navbar-dark: hsl(220 25% 12%);
}

.dark {
  /* Dark backgrounds with proper contrast */
  --background: 220 25% 6%;           /* Very dark navy */
  --background-alt: 220 25% 8%;       /* Alternate dark background */
  --foreground: 220 15% 95%;          /* Near white text */
  
  /* Dark mode cards with glassmorphism */
  --card: 220 25% 10%;                /* Dark blue cards */
  --card-foreground: 220 15% 95%;     /* Light text on cards */
  --card-hover: 220 25% 12%;          /* Hover state for cards */
  
  /* Primary colors adjusted for dark mode */
  --primary: 204 68% 64%;             /* Lighter primary for visibility */
  --primary-foreground: 220 25% 6%;   /* Dark text on primary */
  --primary-light: 207 68% 75%;       /* Even lighter variant */
  --primary-dark: 204 68% 50%;        /* Darker variant */
  
  /* Secondary colors for dark mode */
  --secondary: 220 20% 15%;           /* Dark secondary */
  --secondary-foreground: 220 15% 85%; /* Light text on secondary */
  
  /* Muted colors for dark mode */
  --muted: 220 20% 12%;               /* Dark muted */
  --muted-foreground: 220 15% 70%;    /* Light text on muted */
  
  /* Accent colors for dark mode */
  --accent: 207 68% 68%;              /* Light accent for dark mode */
  --accent-foreground: 220 25% 6%;    /* Dark text on accent */
  
  /* Status colors for dark mode */
  --destructive: 0 65% 58%;           /* Lighter red for dark mode */
  --destructive-foreground: 220 25% 6%; /* Dark text */
  --success: 142 70% 55%;             /* Lighter green */
  --success-foreground: 220 25% 6%;   /* Dark text */
  --warning: 38 80% 60%;              /* Lighter orange */
  --warning-foreground: 220 25% 6%;   /* Dark text */
  
  /* FIXED: Performance Result Colors for Dark Mode - EVEN DARKER FOR WHITE TEXT */
  --performance-success: 142 90% 15%; /* Extremely dark green for dark mode */
  --performance-success-foreground: 0 0% 100%;
  --performance-error: 0 90% 20%;     /* Extremely dark red for dark mode */
  --performance-error-foreground: 0 0% 100%;
  
  /* Healthcare colors for dark mode */
  --emergency: 0 65% 58%;             /* Lighter emergency red */
  --emergency-foreground: 220 25% 6%; /* Dark text */
  --vital-normal: 142 70% 55%;        /* Lighter green for vitals */
  --vital-warning: 38 80% 60%;        /* Lighter orange for vitals */
  --vital-critical: 0 65% 58%;        /* Lighter red for vitals */
  --medication-due: 38 80% 60%;       /* Lighter orange for medications */
  --medication-overdue: 0 65% 58%;    /* Lighter red for medications */
  
  /* UI elements for dark mode */
  --border: 220 20% 18%;              /* Dark borders */
  --input: 220 25% 12%;               /* Dark input backgrounds */
  --ring: 204 68% 64%;                /* Light focus ring */
  
  /* Popover for dark mode */
  --popover: 220 25% 10%;             /* Dark popover */
  --popover-foreground: 220 15% 95%;  /* Light text */
  
  /* Sidebar for dark mode */
  --sidebar-background: 220 25% 8%;   /* Dark sidebar */
  --sidebar-foreground: 220 15% 85%;  /* Light text */
  --sidebar-primary: 204 68% 64%;     /* Light primary */
  --sidebar-primary-foreground: 220 25% 6%; /* Dark text on primary */
  --sidebar-accent: 220 20% 12%;      /* Dark accent */
  --sidebar-accent-foreground: 220 15% 85%; /* Light text on accent */
  --sidebar-border: 220 20% 18%;      /* Dark borders */
  --sidebar-ring: 204 68% 64%;        /* Light focus ring */

  /* Dark mode gradients */
  --gradient-primary: linear-gradient(135deg, hsl(var(--primary-light)) 0%, hsl(var(--primary)) 50%, hsl(var(--primary-dark)) 100%);
  --gradient-secondary: linear-gradient(135deg, hsl(var(--secondary)) 0%, hsl(var(--muted)) 100%);
  --gradient-accent: linear-gradient(135deg, hsl(var(--accent)) 0%, hsl(var(--primary-light)) 100%);
  
  /* Dark mode glassmorphism */
  --glass-background: rgba(20, 25, 40, 0.85);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* Dark mode navbar */
  --navbar-light: hsl(220 25% 10%);
  --navbar-dark: hsl(220 25% 8%);
}

@tailwind base;
@tailwind components;
@tailwind utilities;

/* NUMA Healthcare Platform - Enhanced Design System with Fixed Dark Mode Contrast */

@layer base {
  /* Modern Card System */
  .numa-card {
    @apply bg-card/90 text-card-foreground rounded-xl border border-border/50 shadow-lg;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: transform, box-shadow, background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .numa-card:hover {
    @apply shadow-xl;
    transform: translateY(-2px);
    background-color: hsl(var(--card-hover) / 0.95);
  }

  .numa-card-glass {
    background: var(--glass-background);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }

  @supports not (backdrop-filter: blur(16px)) {
    .numa-card-glass {
      background: rgba(255, 255, 255, 0.9); /* Fallback for unsupported browsers */
    }
  }

  /* Modern Button System */
  .numa-button-primary {
    @apply bg-primary text-primary-foreground hover:bg-primary-dark;
    @apply rounded-lg px-6 py-3 font-medium;
    transition: transform, box-shadow, background-color 0.2s ease;
    box-shadow: 0 4px 12px hsl(var(--primary) / 0.3);
  }

  .numa-button-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px hsl(var(--primary) / 0.4);
  }

  .numa-button-primary:focus-visible {
    outline: 2px solid hsl(var(--primary));
    outline-offset: 2px;
  }

  .numa-button-secondary {
    @apply bg-secondary/80 text-secondary-foreground hover:bg-secondary;
    @apply rounded-lg px-6 py-3 font-medium;
    transition: transform, background-color 0.2s ease;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .numa-button-outline {
    @apply text-primary bg-transparent border-2 border-primary hover:bg-primary hover:text-primary-foreground;
    @apply rounded-lg px-6 py-3 font-medium;
    transition: background-color, color 0.2s ease;
  }

  .numa-button-glass {
    background: var(--glass-background);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    @apply text-foreground hover:bg-muted/20;
    transition: background-color 0.3s ease;
  }

  @supports not (backdrop-filter: blur(12px)) {
    .numa-button-glass {
      background: rgba(255, 255, 255, 0.9); /* Fallback */
    }
  }

  /* Consolidated Performance Result Components */
  .result-success {
    background-color: rgb(22 101 52);
    color: rgb(255 255 255);
    border: 1px solid rgb(22 101 52);
    font-weight: 600;
  }

  .result-error {
    background-color: rgb(153 27 27);
    color: rgb(255 255 255);
    border: 1px solid rgb(153 27 27);
    font-weight: 600;
  }

  .dark .result-success {
    background-color: rgb(15 70 35);
    color: rgb(255 255 255);
  }

  .dark .result-error {
    background-color: rgb(120 20 20);
    color: rgb(255 255 255);
  }

  /* Enhanced Badge System */
  .numa-badge {
    @apply inline-flex items-center px-3 py-1 rounded-full text-xs font-medium;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .numa-badge-primary {
    @apply bg-primary/20 text-primary border border-primary/30;
  }

  .numa-badge-success {
    @apply bg-success/20 text-success border border-success/30;
  }

  .numa-badge-warning {
    @apply bg-warning/20 text-warning border border-warning/30;
  }

  .numa-badge-destructive {
    @apply bg-destructive/20 text-destructive border border-destructive/30;
  }

  /* Modern Navigation */
  .numa-nav-link {
    @apply text-muted-foreground hover:text-foreground;
    @apply px-4 py-2 rounded-lg;
    position: relative;
    transition: background-color, color 0.2s ease;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .numa-nav-link:hover {
    @apply bg-muted/30;
    transform: translateY(-1px);
  }

  .numa-nav-link:focus-visible {
    outline: 2px solid hsl(var(--primary));
    outline-offset: 2px;
  }

  .numa-nav-link.active {
    @apply text-primary bg-primary/10 border border-primary/20;
  }

  /* Enhanced Tab System */
  .numa-tab {
    @apply px-4 py-2 rounded-lg font-medium;
    @apply text-muted-foreground hover:text-foreground;
    transition: background-color, color, box-shadow 0.2s ease;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .numa-tab.active {
    @apply text-primary bg-primary/10 border border-primary/20;
    box-shadow: 0 2px 8px hsl(var(--primary) / 0.2);
  }

  /* Modern Form Elements */
  .form-input {
    @apply bg-input/90 border-2 border-border rounded-lg px-4 py-3;
    @apply text-foreground placeholder:text-muted-foreground;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    transition: border-color, transform, box-shadow 0.2s ease;
  }

  .form-input:focus {
    @apply border-ring ring-2 ring-ring/20;
    transform: translateY(-1px);
  }

  .form-select {
    @apply bg-input/90 border-2 border-border rounded-lg px-4 py-3;
    @apply text-foreground;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .form-textarea {
    @apply bg-input/90 border-2 border-border rounded-lg px-4 py-3;
    @apply text-foreground placeholder:text-muted-foreground resize-none;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    min-height: 120px;
  }

  /* Modern Table System */
  .numa-table {
    @apply w-full bg-card/90 rounded-xl overflow-hidden;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .numa-table th {
    @apply bg-muted/50 text-muted-foreground font-semibold text-left px-6 py-4;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }

  .numa-table td {
    @apply text-foreground px-6 py-4 border-b border-border/30;
  }

  .numa-table tr:hover {
    @apply bg-muted/20;
  }

  /* Loading Animations */
  .loading-spinner {
    @apply inline-block w-6 h-6 border-2 border-primary/30 border-t-primary rounded-full;
    animation: spin 1s linear infinite;
  }

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

  /* Modern Alert System */
  .numa-alert {
    @apply p-4 rounded-xl border backdrop-blur-sm;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .numa-alert-info {
    @apply bg-primary/10 border-primary/30 text-primary;
  }

  .numa-alert-success {
    @apply bg-success/10 border-success/30 text-success;
  }

  .numa-alert-warning {
    @apply bg-warning/10 border-warning/30 text-warning;
  }

  .numa-alert-destructive {
    @apply bg-destructive/10 border-destructive/30 text-destructive;
  }

  /* Mobile navbar extensions */
  .mobile-header-extended {
    position: relative;
    margin-top: calc(-1 * env(safe-area-inset-top));
    padding-top: calc(env(safe-area-inset-top) + 1rem);
  }

  .mobile-header-extended::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: env(safe-area-inset-top);
    background: inherit;
    z-index: -1;
  }

  .mobile-navbar-extended {
    position: relative;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .mobile-navbar-extended::after {
    content: '';
    position: absolute;
    bottom: calc(-1 * env(safe-area-inset-bottom));
    left: 0;
    right: 0;
    height: env(safe-area-inset-bottom);
    background: inherit;
    -webkit-backdrop-filter: inherit;
    backdrop-filter: inherit;
    z-index: -1;
  }

  /* Theme-specific navbar backgrounds */
  .mobile-header-light {
    background: #FFFFFF;
  }

  .mobile-header-dark {
    background: #1a1f2e;
  }

  .mobile-navbar-light {
    background: #FFFFFF;
  }

  .mobile-navbar-dark {
    background: #1a1f2e;
  }

  /* Feature cards */
  .feature-card {
    @apply bg-card text-card-foreground rounded-xl border-2 border-border/30;
    background: hsl(var(--card));
    box-shadow: 
      0 8px 24px rgba(0, 0, 0, 0.08),
      0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform, box-shadow, border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .feature-card:hover {
    transform: translateY(-4px);
    border-color: hsl(var(--primary) / 0.3);
    box-shadow: 
      0 20px 50px hsla(var(--primary), 0.15),
      0 12px 28px rgba(0, 0, 0, 0.1);
  }

  /* Accessibility Enhancements */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }

  /* High Contrast Mode Support */
  @media (prefers-contrast: high) {
    .numa-card {
      @apply border-2 border-foreground;
    }
    
    .numa-button-primary {
      @apply border-2 border-foreground;
    }
  }

  /* Print Styles */
  @media print {
    .numa-card {
      @apply shadow-none border-2 border-foreground;
      backdrop-filter: none;
    }
    
    body {
      @apply bg-white text-black;
    }
  }

  /* Skip Link for Accessibility */
  .skip-link {
    @apply sr-only focus:not-sr-only focus:absolute focus:top-4 focus:left-4;
    @apply bg-primary text-primary-foreground px-4 py-2 rounded-lg;
    @apply z-50 font-medium;
  }

  /* Error States */
  .error-state {
    @apply border-destructive ring-2 ring-destructive/20;
  }

  .success-state {
    @apply border-success ring-2 ring-success/20;
  }

  /* Modern Glassmorphism Effects */
  .glass-morphism {
    background: var(--glass-background);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
  }

  .glass-morphism-subtle {
    background: rgba(255, 255, 255, 0.7);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Modern Gradient Backgrounds */
  .gradient-primary-bg {
    background: var(--gradient-primary);
  }

  .gradient-secondary-bg {
    background: var(--gradient-secondary);
  }

  .gradient-accent-bg {
    background: var(--gradient-accent);
  }

  /* Floating Action Button */
  .numa-fab {
    @apply fixed bottom-6 right-6 w-14 h-14 bg-primary text-primary-foreground;
    @apply rounded-full shadow-xl hover:shadow-2xl;
    @apply flex items-center justify-center;
    transition: transform, box-shadow 0.2s ease;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    z-index: 40;
  }

  .numa-fab:hover {
    transform: translateY(-2px) scale(1.05);
  }

  /* Base element styling */
  * {
    @apply border-border;
  }

  body {
    @apply bg-background text-foreground font-sans antialiased;
    min-height: 100vh;
  }

  /* Enhanced Typography with Better Contrast */
  h1, h2, h3, h4, h5, h6 {
    @apply text-foreground font-semibold;
    line-height: 1.2;
  }

  h1 { @apply text-3xl md:text-4xl; }
  h2 { @apply text-2xl md:text-3xl; }
  h3 { @apply text-xl md:text-2xl; }
  h4 { @apply text-lg md:text-xl; }

  /* Body text with proper contrast */
  p, li, span, div {
    @apply text-foreground;
    line-height: 1.6;
  }

  /* Modern Form Elements with Glassmorphism */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="tel"],
  input[type="url"],
  input[type="search"],
  textarea,
  select {
    @apply bg-input text-foreground border-2 border-border rounded-lg;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 
      inset 0 1px 3px rgba(0, 0, 0, 0.1),
      0 1px 2px rgba(0, 0, 0, 0.05);
    transition: border-color, box-shadow, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  input[type="text"]:focus,
  input[type="email"]:focus,
  input[type="password"]:focus,
  input[type="number"]:focus,
  input[type="tel"]:focus,
  input[type="url"]:focus,
  input[type="search"]:focus,
  textarea:focus,
  select:focus {
    @apply border-ring ring-2 ring-ring/20;
    outline: none;
    transform: translateY(-1px);
    box-shadow: 
      inset 0 1px 3px rgba(0, 0, 0, 0.1),
      0 4px 12px rgba(0, 0, 0, 0.1),
      0 0 0 2px hsl(var(--ring) / 0.2);
  }

  /* Modern Label styling */
  label {
    @apply text-foreground font-medium text-sm;
    margin-bottom: 0.5rem;
    display: block;
  }

  /* Enhanced Link styling */
  a {
    @apply text-primary hover:text-primary-dark;
    transition: color 0.2s ease-in-out;
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
    text-decoration-color: hsl(var(--primary));
    text-underline-offset: 4px;
  }
}

@layer utilities {
  /* Safe area utilities */
  .safe-top {
    padding-top: env(safe-area-inset-top);
  }

  .safe-bottom {
    padding-bottom: env(safe-area-inset-bottom);
  }

  .safe-left {
    padding-left: env(safe-area-inset-left);
  }

  /* High contrast text utilities */
  .text-high-contrast {
    @apply text-foreground;
  }

  .text-medium-contrast {
    @apply text-muted-foreground;
  }

  /* NUMA brand text utilities */
  .text-numa-primary {
    color: hsl(var(--primary));
  }

  .text-numa-secondary {
    color: hsl(var(--secondary));
  }

  .text-numa-accent {
    color: hsl(var(--accent));
  }

  /* Professional typography */
  .professional-compact {
    font-size: 0.9rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
    @apply text-foreground;
  }

  .professional-list-item {
    padding: 12px 16px;
    min-height: 48px;
    font-size: 0.95rem;
    line-height: 1.3;
    border-radius: 8px;
    transition: background-color 0.2s ease;
    @apply text-foreground;
  }

  .professional-text-sm {
    font-size: 0.85rem;
    line-height: 1.3;
    @apply text-muted-foreground;
  }

  .professional-text-lg {
    font-size: 1.1rem;
    line-height: 1.2;
    font-weight: 600;
    @apply text-foreground;
  }

  /* Enhanced shadow utilities */
  .shadow-soft {
    box-shadow: 
      0 6px 20px hsla(var(--primary), 0.15),
      0 2px 8px rgba(0, 0, 0, 0.08);
  }
  
  .shadow-medium {
    box-shadow: 
      0 12px 32px hsla(var(--primary), 0.2),
      0 6px 16px rgba(0, 0, 0, 0.12);
  }
  
  .shadow-strong {
    box-shadow: 
      0 20px 50px hsla(var(--primary), 0.25),
      0 12px 28px rgba(0, 0, 0, 0.15);
  }

  .shadow-inset {
    box-shadow: 
      inset 0 2px 4px rgba(0, 0, 0, 0.1),
      inset 0 1px 2px rgba(0, 0, 0, 0.06);
  }

  /* NUMA gradient utilities */
  .bg-gradient-numa-primary {
    background: var(--gradient-primary);
  }
  
  .bg-gradient-numa-secondary {
    background: var(--gradient-secondary);
  }
  
  .bg-gradient-numa-accent {
    background: var(--gradient-accent);
  }

  /* Improved glass effects */
  .glass {
    @apply backdrop-blur-lg border-2 text-foreground;
    background: hsla(var(--background), 0.85);
    border-color: hsl(var(--border));
    box-shadow: 
      0 8px 24px rgba(0, 0, 0, 0.1),
      0 4px 8px rgba(0, 0, 0, 0.05);
  }
  
  .dark .glass {
    background: hsla(var(--background), 0.9);
    border-color: hsl(var(--border));
  }

  /* Interactive states with accessibility in mind */
  .interactive-lift {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .interactive-lift:hover {
    transform: translateY(-2px);
  }

  .interactive-lift:active {
    transform: translateY(0);
  }

  /* Focus indicators for accessibility */
  .focus-visible {
    outline: 2px solid hsl(var(--primary));
    outline-offset: 2px;
  }

  /* Alert/notification styles */
  .alert-info {
    @apply border-primary/30 bg-card text-card-foreground;
    background: linear-gradient(145deg, 
      hsla(var(--primary), 0.05) 0%, 
      hsl(var(--card)) 100%);
    border-left: 4px solid hsl(var(--primary));
  }

  .alert-warning {
    @apply border-warning/30 bg-card text-card-foreground;
    background: linear-gradient(145deg, 
      hsla(var(--warning), 0.05) 0%, 
      hsl(var(--card)) 100%);
    border-left: 4px solid hsl(var(--warning));
  }

  .alert-error {
    @apply border-destructive/30 bg-card text-card-foreground;
    background: linear-gradient(145deg, 
      hsla(var(--destructive), 0.05) 0%, 
      hsl(var(--card)) 100%);
    border-left: 4px solid hsl(var(--destructive));
  }

  .alert-success {
    @apply border-success/30 bg-card text-card-foreground;
    background: linear-gradient(145deg, 
      hsla(var(--success), 0.05) 0%, 
      hsl(var(--card)) 100%);
    border-left: 4px solid hsl(var(--success));
  }

  /* High contrast mode support */
  @media (prefers-contrast: high) {
    :root {
      --foreground: 0 0% 0%;           /* Pure black text */
      --muted-foreground: 0 0% 20%;    /* Dark gray */
      --border: 0 0% 40%;              /* Darker borders */
    }

    .dark {
      --foreground: 0 0% 100%;         /* Pure white text */
      --muted-foreground: 0 0% 80%;    /* Light gray */
      --border: 0 0% 60%;              /* Lighter borders */
    }
  }

  /* Reduced motion support */
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }
}