/**
 * SafeQA Design System - Pure CSS Version
 * Compiled from Tailwind @apply rules for CDN compatibility
 */

:root {
    /* ========================================
       DESIGN TOKENS - UNIFIED SYSTEM
       ======================================== */
    
    /* Primary Colors (Indigo-based) */
    --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;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-success-dark: #047857;
    --color-warning: #F59E0B;
    --color-warning-light: #FFFBEB;
    --color-warning-dark: #D97706;
    --color-error: #EF4444;
    --color-error-light: #FEF2F2;
    --color-error-dark: #DC2626;
    --color-info: #6366F1;
    --color-info-light: #EFF6FF;
    --color-info-dark: #1E40AF;

    /* Neutral Colors - Cool Slate Foundation */
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;
    
    /* Four-level Contrast Hierarchy */
    --color-foreground: var(--color-gray-900);
    --color-secondary: var(--color-gray-600);
    --color-muted: var(--color-gray-500);
    --color-faint: var(--color-gray-400);

    /* Typography Scale */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 2.25rem;     /* 36px */
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    /* Spacing System */
    --spacing-1: 0.25rem;    /* 4px */
    --spacing-2: 0.5rem;     /* 8px */
    --spacing-3: 0.75rem;    /* 12px */
    --spacing-4: 1rem;       /* 16px */
    --spacing-5: 1.25rem;    /* 20px */
    --spacing-6: 1.5rem;     /* 24px */
    --spacing-8: 2rem;       /* 32px */
    --spacing-10: 2.5rem;    /* 40px */
    --spacing-12: 3rem;      /* 48px */
    --spacing-16: 4rem;      /* 64px */
    --spacing-20: 5rem;      /* 80px */
    --spacing-24: 6rem;      /* 96px */

    /* Container Widths */
    --container-sm: 32rem;    /* 512px - Forms */
    --container-md: 42rem;    /* 672px - Content */
    --container-lg: 56rem;    /* 896px - Content pages */
    --container-xl: 64rem;    /* 1024px - Wide content */
    --container-2xl: 80rem;   /* 1280px - Dashboard */

    /* Border Radius - Soft System (max 16px for standard elements) */
    --radius-xs: 0.25rem;     /* 4px - Micro elements */
    --radius-sm: 0.375rem;    /* 6px - Small elements, badges */
    --radius-base: 0.5rem;    /* 8px - Standard elements */
    --radius-md: 0.75rem;     /* 12px - Cards, panels */
    --radius-lg: 1rem;        /* 16px - Large cards (max for most) */
    --radius-xl: 1rem;        /* 16px - Kept same as lg for consistency */
    --radius-2xl: 1rem;       /* 16px - Kept same as lg for consistency */
    --radius-full: 9999px;

    /* Shadows - Subtle Single Shadow System (max 15% opacity) */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-base: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 16px 32px rgba(0, 0, 0, 0.12);
    --shadow-indigo: 0 4px 12px rgba(99, 102, 241, 0.12);
    --shadow-indigo-lg: 0 8px 20px rgba(99, 102, 241, 0.15);

    /* Animation Timing - Smooth, no bounce */
    --duration-instant: 100ms;
    --duration-fast: 150ms;
    --duration-base: 200ms;
    --duration-slow: 300ms;
    --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

    /* Responsive Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;

    /* Z-Index Scale */
    --z-dropdown: 10;
    --z-sticky: 20;
    --z-fixed: 30;
    --z-modal-backdrop: 40;
    --z-modal: 50;
    --z-popover: 60;
    --z-tooltip: 70;
    --z-toast: 80;
    --vh-screen: 100vh;
}

/* Use dynamic viewport height for modern mobile browsers */
@supports (height: 100dvh) {
    :root {
        --vh-screen: 100dvh;
    }
}

/* ========================================
   UNIFIED LAYOUT SYSTEM
   ======================================== */

/* Container System */
.container-unified {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
    box-sizing: border-box;
}

@media (min-width: 640px) {
    .container-unified {
        padding-left: var(--spacing-6);
        padding-right: var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container-unified {
        padding-left: var(--spacing-8);
        padding-right: var(--spacing-8);
    }
}

/* Container Sizes */
.container-sm {
    max-width: var(--container-sm);
}

.container-md {
    max-width: var(--container-md);
}

.container-lg {
    max-width: var(--container-lg);
}

.container-xl {
    max-width: var(--container-xl);
}

.container-2xl {
    max-width: var(--container-2xl);
}

/* Specific Use Case Containers - These work with container-unified */
.container-unified.container-dashboard {
    max-width: 80rem !important; /* 1280px - Dashboard */
}

.container-unified.container-content {
    max-width: 56rem !important; /* 896px - Content pages */
}

.container-unified.container-form {
    max-width: 32rem !important; /* 512px - Forms */
}

/* Page Layout */
.page-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-header {
    flex-shrink: 0;
}

.page-main {
    flex: 1;
    padding-top: var(--spacing-8);
    padding-bottom: var(--spacing-8);
}

.page-footer {
    flex-shrink: 0;
    margin-top: auto;
}

/* Grid System */
.grid-unified {
    display: grid;
    gap: var(--spacing-6);
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Responsive Grid */
@media (min-width: 640px) {
    .sm\:grid-cols-1 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .sm\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .sm\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 768px) {
    .md\:grid-cols-1 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-1 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-5 {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

/* Flex Utilities */
.flex-unified {
    display: flex;
}

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

.flex-row {
    flex-direction: row;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

/* Gap Utilities */
.gap-1 {
    gap: var(--spacing-1);
}

.gap-2 {
    gap: var(--spacing-2);
}

.gap-3 {
    gap: var(--spacing-3);
}

.gap-4 {
    gap: var(--spacing-4);
}

.gap-6 {
    gap: var(--spacing-6);
}

.gap-8 {
    gap: var(--spacing-8);
}

/* Space Between Utilities */
.space-y-1 > * + * {
    margin-top: var(--spacing-1);
}

.space-y-2 > * + * {
    margin-top: var(--spacing-2);
}

.space-y-3 > * + * {
    margin-top: var(--spacing-3);
}

.space-y-4 > * + * {
    margin-top: var(--spacing-4);
}

.space-y-6 > * + * {
    margin-top: var(--spacing-6);
}

.space-x-1 > * + * {
    margin-left: var(--spacing-1);
}

.space-x-2 > * + * {
    margin-left: var(--spacing-2);
}

.space-x-3 > * + * {
    margin-left: var(--spacing-3);
}

.space-x-4 > * + * {
    margin-left: var(--spacing-4);
}

/* Spacing Utilities */
.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-1); }
.p-2 { padding: var(--spacing-2); }
.p-3 { padding: var(--spacing-3); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.px-4 { 
    padding-left: var(--spacing-4); 
    padding-right: var(--spacing-4); 
}

.py-4 { 
    padding-top: var(--spacing-4); 
    padding-bottom: var(--spacing-4); 
}

.px-6 { 
    padding-left: var(--spacing-6); 
    padding-right: var(--spacing-6); 
}

.py-6 { 
    padding-top: var(--spacing-6); 
    padding-bottom: var(--spacing-6); 
}

.px-8 { 
    padding-left: var(--spacing-8); 
    padding-right: var(--spacing-8); 
}

.py-8 { 
    padding-top: var(--spacing-8); 
    padding-bottom: var(--spacing-8); 
}

.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-1); }
.m-2 { margin: var(--spacing-2); }
.m-3 { margin: var(--spacing-3); }
.m-4 { margin: var(--spacing-4); }
.m-6 { margin: var(--spacing-6); }
.m-8 { margin: var(--spacing-8); }

.mx-auto { 
    margin-left: auto; 
    margin-right: auto; 
}

.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

/* Legacy Layout Classes (for backward compatibility) */
.container-custom {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    max-width: 80rem;
}

/* ========================================
   UNIFIED HEADER SYSTEM
   ======================================== */

/* Sticky Glass Header */
.header-unified {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);

    margin-bottom: var(--spacing-8);
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(231, 229, 228, 0.6);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    transition: all var(--duration-base) var(--ease-out);
}



.header-content {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

@media (min-width: 640px) {
    .header-content {
        padding: var(--spacing-4) var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .header-content {
        padding: var(--spacing-4) var(--spacing-8);
    }
}

/* Header Branding */
.header-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
    color: var(--color-gray-900);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

.header-logo {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

/* Header Navigation */
.header-nav {
    display: none;
    align-items: center;
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .header-nav {
        display: flex;
    }
}

.header-nav-link {
    color: var(--color-gray-600);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-base);
    transition: all var(--duration-base) var(--ease-out);
}

.header-nav-link:hover {
    color: var(--color-primary-600);
    background-color: var(--color-primary-50);
}

.header-nav-link.active {
    color: var(--color-primary-600);
    background-color: var(--color-primary-100);
    font-weight: var(--font-weight-semibold);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

/* User Profile Card */
.header-user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-lg);
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(231, 229, 228, 0.6);
    transition: all var(--duration-base) var(--ease-out);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.header-user-profile:hover {
    background-color: white;
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-sm);
}

.header-user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary-500), #7C3AED);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.header-user-info {
    display: none;
    flex-direction: column;
    align-items: flex-start;
}

@media (min-width: 640px) {
    .header-user-info {
        display: flex;
    }
}

.header-user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
}

.header-user-role {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    line-height: var(--line-height-tight);
}

/* Mobile Menu Toggle */
.header-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    color: var(--color-gray-600);
    border-radius: var(--radius-base);
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
}

@media (min-width: 768px) {
    .header-mobile-toggle {
        display: none;
    }
}

.header-mobile-toggle:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

/* Header Variants */
.header-dashboard {
    /* Full branding, user profile, admin links */
}

.header-content-page {
    /* Logo + title, back navigation, action buttons */
}

.header-content-page .header-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-left: var(--spacing-4);
}

.header-auth {
    /* Minimal branding, clean layout */
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header-live-session {
    /* Session info, participant count, control actions */
    background-color: rgba(16, 185, 129, 0.1);
    border-bottom-color: rgba(16, 185, 129, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Enhanced Header Interactions */
.header-user-profile:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.header-mobile-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

/* Header Responsive Enhancements */
@media (max-width: 640px) {
    .header-content {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .header-brand span {
        display: none;
    }
    
    .header-title {
        font-size: var(--font-size-base) !important;
        margin-left: var(--spacing-2) !important;
    }
}

/* Header Animation Enhancements */
.header-unified {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Header Scroll Effects */
.header-scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Role Badge Styling */
.header-user-role {
    text-transform: capitalize;
}

/* Admin Mode Indicator */
.header-admin-mode {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.1), rgba(245, 101, 101, 0.1));
    border-bottom-color: rgba(251, 146, 60, 0.2);
}

/* ========================================
   UNIFIED TYPOGRAPHY SYSTEM
   ======================================== */

/* Headings - 600 weight, tight letter-spacing */
.heading-1 {
    font-family: var(--font-family-base);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
    color: var(--color-foreground);
}

@media (min-width: 768px) {
    .heading-1 {
        font-size: 3rem;
        line-height: 1;
    }
}

.heading-2 {
    font-family: var(--font-family-base);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
    color: var(--color-foreground);
}

@media (min-width: 768px) {
    .heading-2 {
        font-size: 2.25rem;
        line-height: 2.5rem;
    }
}

.heading-3 {
    font-family: var(--font-family-base);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
    color: var(--color-foreground);
}

.heading-4 {
    font-family: var(--font-family-base);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
    color: var(--color-foreground);
}

/* Body Text - Using contrast hierarchy */
.body-large {
    font-family: var(--font-family-base);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-secondary);
}

.body-base {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-secondary);
}

.body-small {
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--color-muted);
}

/* Special Typography */
.text-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary-600), #7C3AED, var(--color-primary-500));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: var(--font-weight-semibold);
}

/* Monospace for data, IDs, codes, timestamps */
.text-mono {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    font-variant-numeric: tabular-nums;
    color: var(--color-secondary);
    background-color: var(--color-gray-100);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-xs);
}

/* Code display for session codes, IDs */
.code-display {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    font-variant-numeric: tabular-nums;
    color: var(--color-foreground);
    background-color: var(--color-gray-100);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-xs);
}

/* Large code display for prominent codes */
.code-display-lg {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
    color: var(--color-foreground);
}

/* ========================================
   UNIFIED BUTTON SYSTEM
   ======================================== */

/* Base Button - 8px radius, 600 weight, symmetrical padding */
.btn-unified {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
    line-height: var(--line-height-tight);
    text-decoration: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-unified:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.btn-unified:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Primary Button - Solid color, subtle shadow */
.btn-primary-unified {
    background-color: var(--color-primary-600);
    color: white;
    box-shadow: var(--shadow-indigo);
    border: 1px solid transparent;
}

.btn-primary-unified:hover:not(:disabled) {
    background-color: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-indigo-lg);
}

.btn-primary-unified:active {
    transform: translateY(0);
    box-shadow: var(--shadow-indigo);
}

/* Secondary Button - Alternative actions */
.btn-secondary-unified {
    background-color: white;
    color: var(--color-primary-600);
    border: 1px solid var(--color-primary-200);
    box-shadow: var(--shadow-xs);
}

.btn-secondary-unified:hover:not(:disabled) {
    background-color: var(--color-primary-50);
    border-color: var(--color-primary-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary-unified:active {
    transform: translateY(0);
    background-color: var(--color-primary-100);
}

/* Outline Button - Subtle actions */
.btn-outline-unified {
    background-color: white;
    color: var(--color-secondary);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-xs);
}

.btn-outline-unified:hover:not(:disabled) {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-300);
    color: var(--color-foreground);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-outline-unified:active {
    transform: translateY(0);
    background-color: var(--color-gray-100);
}

/* Danger Button - Destructive actions */
.btn-danger-unified {
    background-color: white;
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
    box-shadow: var(--shadow-xs);
}

.btn-danger-unified:hover:not(:disabled) {
    background-color: var(--color-error-light);
    border-color: rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-danger-unified:active {
    transform: translateY(0);
    background-color: #FEE2E2;
}

/* Icon Button */
.btn-icon-unified {
    padding: var(--spacing-3);
    border-radius: var(--radius-base);
    background-color: transparent;
    color: var(--color-muted);
    border: 1px solid transparent;
    min-width: 44px;
    min-height: 44px;
}

.btn-icon-unified:hover:not(:disabled) {
    background-color: var(--color-gray-100);
    color: var(--color-secondary);
}

.btn-icon-unified:active {
    background-color: var(--color-gray-200);
}

/* Button Sizes - Consistent radius */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
    border-radius: var(--radius-base);
}

.btn-xl {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
}

/* Button Groups */
.btn-group {
    display: flex;
    gap: var(--spacing-3);
}

.btn-group-attached {
    display: flex;
}

.btn-group-attached .btn-unified {
    border-radius: 0;
    margin-left: -1px;
}

.btn-group-attached .btn-unified:first-child {
    border-top-left-radius: var(--radius-xl);
    border-bottom-left-radius: var(--radius-xl);
    margin-left: 0;
}

.btn-group-attached .btn-unified:last-child {
    border-top-right-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
}

/* Legacy Button Classes (for backward compatibility) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 4px var(--color-primary-200);
}

.btn-primary {
    background: linear-gradient(to right, var(--color-primary-600), var(--color-primary-500));
    color: white;
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(79, 70, 229, 0.3);
}

.btn-secondary {
    background-color: var(--color-success-dark);
    color: white;
}

.btn-secondary:hover {
    background-color: #047857;
}

.btn-outline {
    background-color: white;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-200);
}

.btn-outline:hover {
    border-color: var(--color-primary-300);
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
}

.btn-danger {
    background-color: var(--color-error);
    color: white;
}

.btn-icon {
    padding: 0.625rem;
    border-radius: 0.5rem;
    color: var(--color-gray-500);
    background: transparent;
}

.btn-icon:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

/* ========================================
   UNIFIED CARD SYSTEM
   ======================================== */

/* Base Card Component - 12px radius, symmetrical 24px padding, subtle depth */
.card-unified {
    background-color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    transition: all var(--duration-fast) var(--ease-out);
}

.card-unified:hover {
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-base);
}

/* Enhanced Card with Subtle Gradient Accents */
.card-enhanced {
    position: relative;
    background-color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    transition: all var(--duration-fast) var(--ease-out);
}

.card-enhanced:hover {
    border-color: var(--color-gray-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 10rem;
    height: 10rem;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 0%, rgba(139, 92, 246, 0.015) 100%);
    border-radius: 50%;
    filter: blur(3rem);
    transform: translate(50%, -50%);
    pointer-events: none;
    opacity: 0.5;
}

/* Feature Card - For highlighting key features */
.card-feature {
    position: relative;
    background-color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    transition: all var(--duration-fast) var(--ease-out);
}

.card-feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-gray-300);
}

.card-feature::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 12rem;
    height: 12rem;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.04) 0%, rgba(139, 92, 246, 0.02) 100%);
    border-radius: 50%;
    filter: blur(4rem);
    transform: translate(50%, -50%);
    pointer-events: none;
    opacity: 0.5;
}

/* Stat Card - For displaying metrics and statistics */
.card-stat {
    position: relative;
    background-color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    transition: all var(--duration-fast) var(--ease-out);
}

.card-stat:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-base);
    border-color: var(--color-gray-300);
}

.card-stat::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8rem;
    height: 8rem;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.03) 0%, rgba(99, 102, 241, 0.015) 100%);
    border-radius: 50%;
    filter: blur(2.5rem);
    transform: translate(50%, -50%);
    pointer-events: none;
    opacity: 0.5;
}

/* Content Card - For lists and detailed content */
.card-content {
    background-color: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--color-gray-200);
    transition: all var(--duration-fast) var(--ease-out);
}

.card-content:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--color-gray-300);
}

/* Card Components */
.card-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(250, 250, 249, 0.3);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
}

.card-subtitle {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

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

.card-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-100);
    background-color: var(--color-gray-50);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Card Icon */
.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--color-primary-500), #7C3AED);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
    color: white;
    font-size: 1.5rem;
}

/* Gradient Accent Variants */
.gradient-accent-indigo::before {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.025) 100%);
}

.gradient-accent-emerald::before {
    background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.025) 100%);
}

.gradient-accent-amber::before {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, rgba(217, 119, 6, 0.025) 100%);
}

.gradient-accent-red::before {
    background: radial-gradient(circle, rgba(239, 68, 68, 0.05) 0%, rgba(220, 38, 38, 0.025) 100%);
}

/* Legacy Card Classes (for backward compatibility) */
.card {
    background-color: white;
    border-radius: 1rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-700);
    border: 1px solid var(--color-primary-200);
}

.badge-success {
    background-color: #D1FAE5;
    color: #047857;
    border: 1px solid #A7F3D0;
}

.badge-secondary {
    background-color: #ECFDF5;
    color: #059669;
    border: 1px solid #A7F3D0;
}

.badge-warning {
    background-color: #FFFBEB;
    color: #D97706;
    border: 1px solid #FDE68A;
}

.badge-danger {
    background-color: #FEF2F2;
    color: #DC2626;
    border: 1px solid #FECACA;
}

.badge-info {
    background-color: #EFF6FF;
    border-color: #BFDBFE;
    color: #1E40AF;
}

.badge-gray {
    background-color: #F5F5F4;
    color: #57534E;
    border: 1px solid #E7E5E4;
}

/* ========================================
   UNIFIED FORM SYSTEM
   ======================================== */

/* Form Group */
.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group-lg {
    margin-bottom: var(--spacing-6);
}

/* Form Labels - 500 weight */
.form-label-unified {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-2);
    line-height: var(--line-height-tight);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-error);
}

/* Form Inputs - 8px radius, symmetrical padding, 1px border */
.form-input-unified {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    color: var(--color-foreground);
    background-color: white;
    transition: all var(--duration-fast) var(--ease-out);
    line-height: var(--line-height-tight);
}

.form-input-unified::placeholder {
    color: var(--color-faint);
}

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

.form-input-unified:disabled {
    background-color: var(--color-gray-50);
    color: var(--color-muted);
    cursor: not-allowed;
    border-color: var(--color-gray-200);
}

/* Form Input States */
.form-input-error,
.form-input-unified.error {
    border-color: var(--color-error);
    background-color: rgba(254, 242, 242, 0.3);
}

.form-input-error:focus,
.form-input-unified.error:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input-success {
    border-color: var(--color-success);
    background-color: rgba(209, 250, 229, 0.2);
}

.form-input-success:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Form Error Message */
.form-error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
}

/* Form Hint */
.form-hint {
    color: var(--color-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
}

/* Form Select */
.form-select-unified {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    color: var(--color-foreground);
    background-color: white;
    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='%2364748B' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-3) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--spacing-10);
    transition: all var(--duration-fast) var(--ease-out);
    cursor: pointer;
}

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

/* Custom Select Trigger - inline-flex with nowrap */
.form-select-trigger {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    color: var(--color-foreground);
    background-color: white;
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.form-select-trigger:hover {
    border-color: var(--color-gray-400);
}

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

/* Form Textarea */
.form-textarea-unified {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-base);
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    color: var(--color-foreground);
    background-color: white;
    transition: all var(--duration-fast) var(--ease-out);
    resize: vertical;
    min-height: 120px;
    line-height: var(--line-height-normal);
}

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

/* Form Checkboxes and Radios */
.form-checkbox-unified,
.form-radio-unified {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    user-select: none;
    line-height: var(--line-height-normal);
    min-height: 44px;
}

.form-checkbox-unified input,
.form-radio-unified input {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-300);
    transition: all var(--duration-base) var(--ease-out);
    flex-shrink: 0;
    margin-top: 2px;
    cursor: pointer;
}

.form-checkbox-unified input {
    border-radius: var(--radius-sm);
}

.form-radio-unified input {
    border-radius: var(--radius-full);
}

.form-checkbox-unified input:checked,
.form-radio-unified input:checked {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.form-radio-unified input:checked {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
}

.form-checkbox-unified:hover input:not(:checked),
.form-radio-unified:hover input:not(:checked) {
    border-color: var(--color-primary-400);
    background-color: var(--color-primary-50);
}

.form-checkbox-unified input:focus,
.form-radio-unified input:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

/* Form Messages */
.form-hint-unified {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
    line-height: var(--line-height-normal);
}

.form-error-unified {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-1);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    line-height: var(--line-height-normal);
    animation: slideIn var(--duration-base) var(--ease-out);
}

.form-success-unified {
    font-size: var(--font-size-sm);
    color: var(--color-success);
    margin-top: var(--spacing-1);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    line-height: var(--line-height-normal);
    animation: slideIn var(--duration-base) var(--ease-out);
}

/* Form Success Input State */
.form-input-success {
    border-color: var(--color-success);
    background-color: rgba(209, 250, 229, 0.3);
}

.form-input-success:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

/* Form Warning State */
.form-input-warning {
    border-color: var(--color-warning);
    background-color: rgba(255, 251, 235, 0.5);
}

.form-input-warning:focus {
    border-color: var(--color-warning);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

.form-warning-unified {
    font-size: var(--font-size-sm);
    color: var(--color-warning);
    margin-top: var(--spacing-1);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    line-height: var(--line-height-normal);
    animation: slideIn var(--duration-base) var(--ease-out);
}

/* Form Loading State */
.form-loading {
    position: relative;
    pointer-events: none;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    border-radius: inherit;
    z-index: 10;
}

/* Enhanced Loading Overlay */
.loading-overlay-form {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    border-radius: inherit;
}

/* Pulse Dot for Status Indicators */
.pulse-dot {
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    margin-right: var(--spacing-1);
}

.pulse-dot-success {
    background-color: var(--color-success);
    animation: pulse-success 2s infinite;
}

.pulse-dot-error {
    background-color: var(--color-error);
    animation: pulse-error 2s infinite;
}

.pulse-dot-warning {
    background-color: var(--color-warning);
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-success {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 0.5rem rgba(16, 185, 129, 0);
    }
}

@keyframes pulse-error {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 0.5rem rgba(239, 68, 68, 0);
    }
}

@keyframes pulse-warning {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7);
    }
    50% {
        opacity: 0.7;
        box-shadow: 0 0 0 0.5rem rgba(245, 158, 11, 0);
    }
}

/* Form Input Groups */
.form-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input-group .form-input-unified {
    padding-left: var(--spacing-10);
}

.form-input-group-icon {
    position: absolute;
    left: var(--spacing-3);
    color: var(--color-gray-400);
    pointer-events: none;
    z-index: 1;
}

.form-input-group .form-input-unified:focus + .form-input-group-icon {
    color: var(--color-primary-500);
}

/* Legacy Form Classes (for backward compatibility) */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: 0.75rem;
    font-size: 1rem;
    color: var(--color-gray-900);
    transition: all 0.2s;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 4px var(--color-primary-200);
}

.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-gray-700);
    user-select: none;
}

.form-checkbox input,
.form-radio input {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-200);
    transition: all 0.2s;
    flex-shrink: 0;
}

.form-checkbox input {
    border-radius: 0.5rem;
}

.form-radio input {
    border-radius: 9999px;
}

.form-checkbox input:checked,
.form-radio input:checked {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.form-radio input:checked {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
}

.form-checkbox:hover input:not(:checked),
.form-radio:hover input:not(:checked) {
    border-color: var(--color-primary-300);
}

.form-hint,
.form-error {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: 0.5rem;
}

.form-error {
    color: var(--color-error);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert svg {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.alert-success {
    background-color: #ECFDF5;
    border-color: #A7F3D0;
    color: #065F46;
}

.alert-error {
    background-color: #FEF2F2;
    border-color: #FECACA;
    color: #991B1B;
}

.alert-warning {
    background-color: #FFFBEB;
    border-color: #FDE68A;
    color: #92400E;
}

.alert-info {
    background-color: #EFF6FF;
    border-color: #BFDBFE;
    color: #1E40AF;
}

/* Utilities */
.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(to bottom right, var(--color-primary-600), var(--color-primary-600), #4338CA);
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(79, 70, 229, 0.3);
}

.text-gradient-primary {
    background: linear-gradient(to right, var(--color-primary-600), #7C3AED, var(--color-primary-600));
    -webkit-background-clip: text;
    color: transparent;
}

/* Additional Components */

/* Feature & Stat Cards */
.card-feature,
.card-stat {
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.card-feature:hover,
.card-stat:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Pseudo-element for gradients (simplified for pure CSS) */
.card-feature::before,
.card-stat::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 10rem;
    height: 10rem;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 9999px;
    filter: blur(40px);
    transform: translate(50%, -50%);
    pointer-events: none;
}

.card-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(to bottom right, var(--color-primary-500), #7C3AED);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1;
    letter-spacing: -0.025em;
}

.stat-badge {
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
    border: 1px solid var(--color-primary-100);
    padding: 0.125rem 0.625rem;
    border-radius: 9999px;
    display: inline-block;
    margin-top: 0.5rem;
}

/* Progress Bars */
.progress-bar-container {
    width: 100%;
    background-color: var(--color-gray-100);
    border-radius: 9999px;
    height: 0.625rem;
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
}

.progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--color-primary-500), var(--color-primary-600), #7C3AED);
    border-radius: 9999px;
    transition: width 0.7s ease-out;
}

.progress-bar-shimmer {
    position: relative;
    overflow: hidden;
}

.progress-bar-shimmer::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* ========================================
   UNIFIED MODAL SYSTEM
   ======================================== */

/* Modal Overlay */
.modal-overlay-unified {
    /* Change height to use the variable */
    height: var(--vh-screen); 
    
    /* Ensure existing fixed positioning doesn't conflict */
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 9999 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: var(--spacing-4);
    background-color: rgba(17, 24, 39, 0.6) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--duration-base) var(--ease-out);
}

.modal-overlay-unified.active {
    opacity: 1;
    pointer-events: auto;
}

/* Modal Content */
.modal-content-unified {
    position: relative;
    background-color: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 28rem;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.95) translateY(1rem);
    transition: all var(--duration-base) var(--ease-out);
}

.modal-overlay-unified.active .modal-content-unified {
    transform: scale(1) translateY(0);
}

/* Modal Sizes */
.modal-sm {
    max-width: 20rem;
}

.modal-md {
    max-width: 28rem;
}

.modal-lg {
    max-width: 42rem;
}

.modal-xl {
    max-width: 56rem;
}

.modal-full {
    max-width: 90vw;
    max-height: 90vh;
}

/* Modal Header */
.modal-header-unified {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
    margin: 0;
}

.modal-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
    line-height: var(--line-height-normal);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-base);
    transition: all var(--duration-base) var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
}

.modal-close:hover {
    color: var(--color-gray-600);
    background-color: var(--color-gray-100);
}

.modal-close:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

/* Modal Body */
.modal-body-unified {
    padding: var(--spacing-6);
    overflow-y: auto;
    max-height: calc(90vh - 200px);
}

.modal-body-unified::-webkit-scrollbar {
    width: 6px;
}

.modal-body-unified::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
}

.modal-body-unified::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: var(--radius-full);
}

.modal-body-unified::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

/* Modal Footer */
.modal-footer-unified {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-100);
    background-color: var(--color-gray-50);
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    align-items: center;
}

.modal-footer-unified.justify-between {
    justify-content: space-between;
}

.modal-footer-unified.justify-center {
    justify-content: center;
}

/* Modal Variants */
.modal-confirmation .modal-header-unified {
    padding-bottom: var(--spacing-4);
    border-bottom: none;
}

.modal-confirmation .modal-body-unified {
    padding-top: 0;
    text-align: center;
}

.modal-form .modal-body-unified {
    padding-bottom: var(--spacing-4);
}

.modal-form .modal-footer-unified {
    padding-top: var(--spacing-4);
}

/* Modal Animation Variants */
.modal-slide-up .modal-content-unified {
    transform: translateY(100%);
}

.modal-slide-up.active .modal-content-unified {
    transform: translateY(0);
}

.modal-fade .modal-content-unified {
    transform: scale(1);
    opacity: 0;
}

.modal-fade.active .modal-content-unified {
    opacity: 1;
}

/* Legacy Modal Classes (for backward compatibility) */
.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(17, 24, 39, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: white;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 28rem;
    width: 100%;
    margin: 1rem;
    transform: scale(0.95);
    transition: transform 0.3s;
}

.modal.active .modal-content {
    transform: scale(100%);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--color-gray-50);
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Pulse Dots */
.pulse-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.pulse-dot-primary {
    background-color: var(--color-primary-500);
}

.pulse-dot-success {
    background-color: #10B981;
}

.pulse-dot-danger {
    background-color: #EF4444;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: .5;
    }
}

/* Spinner */
.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Reduce motion for users who prefer it */
@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;
    }
}

/* GPU acceleration for animated elements */
.header-unified,
.btn-unified,
.card-enhanced,
.modal-content-unified,
.toast {
    will-change: transform;
    transform: translateZ(0);
}

/* Optimize font loading */
@font-face {
    font-family: 'Inter';
    font-display: swap;
    font-weight: 400 800;
}

/* Critical CSS loading optimization */
.critical-loading {
    content-visibility: auto;
    contain-intrinsic-size: 200px;
}

/* Lazy loading for non-critical animations */
.lazy-animation {
    animation-play-state: paused;
}

.lazy-animation.loaded {
    animation-play-state: running;
}

/* ========================================
   Phase 4: Polish & Interaction
   ======================================== */

/* Toast notifications, loading states, transitions, and mobile optimizations */

/* ========================================
   TOAST NOTIFICATIONS
   ======================================== */

/* Toast Container */
.toast-container {
    position: fixed;
    bottom: var(--spacing-4);
    right: var(--spacing-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    max-width: 24rem;
    pointer-events: none;
}

@media (max-width: 640px) {
    .toast-container {
        left: var(--spacing-4);
        right: var(--spacing-4);
        max-width: none;
    }
}

/* Toast Container Variants */
.toast-container-top-right {
    top: var(--spacing-4);
    bottom: auto;
}

.toast-container-top-left {
    top: var(--spacing-4);
    left: var(--spacing-4);
    right: auto;
    bottom: auto;
}

.toast-container-bottom-left {
    bottom: var(--spacing-4);
    left: var(--spacing-4);
    right: auto;
}

.toast-container-center {
    top: 50%;
    left: 50%;
    right: auto;
    bottom: auto;
    transform: translate(-50%, -50%);
    max-width: 32rem;
}

/* Toast Base */
.toast {
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(231, 229, 228, 0.6);
    padding: var(--spacing-4);
    pointer-events: auto;
    transform: translateX(calc(100% + 2rem));
    opacity: 0;
    transition: all var(--duration-base) var(--ease-out);
    min-width: 20rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 6rem;
    height: 6rem;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.03) 0%, rgba(139, 92, 246, 0.015) 100%);
    border-radius: 50%;
    filter: blur(2rem);
    transform: translate(50%, -50%);
    pointer-events: none;
}

@media (max-width: 640px) {
    .toast {
        min-width: auto;
        margin: 0 var(--spacing-2);
    }
}

/* Toast Show/Hide Animations */
.toast-show {
    transform: translateX(0);
    opacity: 1;
}

.toast-hide {
    transform: translateX(calc(100% + 2rem));
    opacity: 0;
}

/* Toast Content */
.toast-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    position: relative;
    z-index: 1;
}

.toast-icon-wrapper {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.8);
}

.toast-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.toast-body {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-1);
    line-height: var(--line-height-tight);
}

.toast-message {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
}

.toast-actions {
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--color-gray-100);
}

.toast-close {
    flex-shrink: 0;
    background: transparent;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: var(--color-gray-400);
    transition: color 0.2s;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    color: var(--color-gray-600);
    background-color: var(--color-gray-100);
}

.toast-close i {
    width: 1rem;
    height: 1rem;
}

/* Toast Action Button */
.toast-action {
    margin-top: 0.75rem;
    width: 100%;
    padding: 0.5rem 1rem;
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
    border: 1px solid var(--color-primary-200);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.toast-action:hover {
    background-color: var(--color-primary-100);
    border-color: var(--color-primary-300);
}

/* Toast Variants */
.toast-success {
    border-left: 4px solid var(--color-success);
    background: linear-gradient(135deg, white 0%, rgba(16, 185, 129, 0.02) 100%);
}

.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-success::before {
    background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
}

.toast-error {
    border-left: 4px solid var(--color-error);
    background: linear-gradient(135deg, white 0%, rgba(239, 68, 68, 0.02) 100%);
}

.toast-error .toast-icon {
    color: var(--color-error);
}

.toast-error::before {
    background: radial-gradient(circle, rgba(239, 68, 68, 0.05) 0%, rgba(239, 68, 68, 0.02) 100%);
}

.toast-warning {
    border-left: 4px solid var(--color-warning);
    background: linear-gradient(135deg, white 0%, rgba(245, 158, 11, 0.02) 100%);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-warning::before {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, rgba(245, 158, 11, 0.02) 100%);
}

.toast-info {
    border-left: 4px solid var(--color-primary-500);
    background: linear-gradient(135deg, white 0%, rgba(99, 102, 241, 0.02) 100%);
}

.toast-info .toast-icon {
    color: var(--color-primary-500);
}

.toast-info::before {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.02) 100%);
}

/* ========================================
   BUTTON LOADING STATES
   ======================================== */

/* Loading Button */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.btn-outline.btn-loading::after,
.btn-icon.btn-loading::after {
    border-color: rgba(79, 70, 229, 0.3);
    border-top-color: var(--color-primary-600);
}

/* ========================================
   ENHANCED TRANSITIONS
   ======================================== */

/* Smooth Page Transitions */
.page-transition {
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hover Lift Effect */
.hover-lift {
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Smooth Accordion */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-content.open {
    max-height: 1000px;
}

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Slide In From Right */
.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ========================================
   RESPONSIVE UTILITY CLASSES
   ======================================== */

/* Section spacing utilities */
.section-padding-mobile {
    padding: var(--spacing-12) 0;
}

.section-padding-tablet {
    padding: var(--spacing-16) 0;
}

.section-padding-desktop {
    padding: var(--spacing-20) 0;
}

@media (min-width: 640px) {
    .section-padding-mobile {
        padding: var(--spacing-16) 0;
    }
}

@media (min-width: 1024px) {
    .section-padding-mobile {
        padding: var(--spacing-20) 0;
    }
}

/* Container utilities */
.container-narrow {
    max-width: var(--container-md);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.container-wide {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 640px) {
    .container-narrow,
    .container-wide {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container-narrow,
    .container-wide {
        padding: 0 var(--spacing-8);
    }
}

/* Grid utilities */
.grid-responsive-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

.grid-responsive-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

.grid-responsive-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .grid-responsive-2 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-8);
    }
}

@media (min-width: 768px) {
    .grid-responsive-3 {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-8);
    }
}

@media (min-width: 1024px) {
    .grid-responsive-3 {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-8);
    }
}

/* Typography responsive utilities */
.text-responsive-xl {
    font-size: 1.875rem;
    line-height: 1.2;
}

.text-responsive-2xl {
    font-size: 2.25rem;
    line-height: 1.2;
}

.text-responsive-3xl {
    font-size: 2.5rem;
    line-height: 1.1;
}

@media (min-width: 640px) {
    .text-responsive-xl {
        font-size: 2.25rem;
    }
    
    .text-responsive-2xl {
        font-size: 3rem;
    }
    
    .text-responsive-3xl {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .text-responsive-xl {
        font-size: 2.5rem;
    }
    
    .text-responsive-2xl {
        font-size: 3.5rem;
    }
    
    .text-responsive-3xl {
        font-size: 4rem;
    }
}

/* ========================================
   MOBILE OPTIMIZATIONS
   ======================================== */

/* Responsive Table */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 0.75rem;
    border: 1px solid var(--color-gray-200);
}

.table-responsive table {
    min-width: 100%;
    border-collapse: collapse;
}

@media (max-width: 768px) {
    .table-responsive {
        border: none;
    }

    .table-mobile-cards {
        display: block;
    }

    .table-mobile-cards thead {
        display: none;
    }

    .table-mobile-cards tbody,
    .table-mobile-cards tr {
        display: block;
    }

    .table-mobile-cards tr {
        margin-bottom: 1rem;
        border: 1px solid var(--color-gray-200);
        border-radius: 0.75rem;
        padding: 1rem;
        background-color: white;
    }

    .table-mobile-cards td {
        display: flex;
        justify-content: space-between;
        padding: 0.5rem 0;
        border: none;
    }

    .table-mobile-cards td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--color-gray-700);
    }
}

/* ========================================
   LANDING PAGE RESPONSIVE OPTIMIZATIONS
   ======================================== */

/* Touch-friendly button sizes (minimum 44px) */
.btn-primary,
.btn-secondary,
a[class*="inline-flex"] {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 24px;
}

/* Enhanced mobile navigation */
@media (max-width: 768px) {
    .header-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: white;
        z-index: var(--z-modal);
        transition: left var(--duration-base) var(--ease-out);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 80px;
    }
    
    .header-nav.active {
        left: 0;
    }
    
    .header-nav a {
        padding: 16px 24px;
        border-bottom: 1px solid var(--color-gray-100);
        width: 100%;
        text-align: left;
    }
}

/* Hero section z-index fix for large screens */
.hero-section .cta-container {
    position: relative;
    z-index: 30;
}

.hero-section .cta-button,
.hero-section .secondary-cta {
    position: relative;
    z-index: 31;
}

/* Ensure hero content is always above hero image */
@media (min-width: 1024px) {
    .hero-section .grid {
        position: relative;
        z-index: 20;
    }
    
    .hero-section .text-center {
        position: relative;
        z-index: 25;
    }
}

/* Landing page section responsive optimizations */
@media (max-width: 640px) {
    /* Hero section mobile optimizations */
    .hero-section {
        padding: var(--spacing-12) 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: var(--spacing-4);
    }
    
    .hero-section p {
        font-size: 1rem;
        margin-bottom: var(--spacing-6);
    }
    
    /* Section spacing adjustments for mobile */
    .section-padding {
        padding: var(--spacing-16) 0;
    }
    
    /* Grid adjustments for mobile */
    .benefits-grid,
    .use-cases-grid,
    .process-steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    /* Card padding adjustments */
    .benefit-card,
    .use-case-card,
    .process-step-card {
        padding: var(--spacing-6);
    }
    
    /* Typography adjustments */
    .section-title {
        font-size: 1.875rem;
        line-height: 1.2;
        margin-bottom: var(--spacing-4);
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-6);
    }
}

@media (min-width: 641px) and (max-width: 768px) {
    /* Tablet optimizations */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    /* Small desktop optimizations */
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1025px) {
    /* Large desktop optimizations */
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Improved touch targets for mobile */
@media (max-width: 768px) {
    .cta-button {
        padding: 16px 32px;
        font-size: 1.125rem;
        min-height: 48px;
    }
    
    .secondary-cta {
        padding: 14px 30px;
        min-height: 48px;
    }
    
    /* Ensure proper spacing between stacked CTAs */
    .cta-container {
        gap: var(--spacing-4);
    }
    
    .cta-container.flex-col {
        align-items: stretch;
    }
    
    .cta-container.flex-col .cta-button,
    .cta-container.flex-col .secondary-cta {
        width: 100%;
        text-align: center;
    }
}

/* Enhanced focus states for keyboard navigation */
@media (prefers-reduced-motion: no-preference) {
    .cta-button:focus,
    .secondary-cta:focus {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px -5px rgba(79, 70, 229, 0.4);
    }
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* Mobile-Friendly Buttons */
@media (max-width: 640px) {
    .btn-mobile-full {
        width: 100%;
        justify-content: center;
    }

    .btn-group-mobile-stack {
        flex-direction: column;
    }

    .btn-group-mobile-stack .btn {
        width: 100%;
    }
}

/* Touch-Friendly Tap Targets */
@media (hover: none) and (pointer: coarse) {

    .btn,
    .btn-icon,
    .toast-close,
    button {
        min-height: 44px;
        min-width: 44px;
    }
}

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

/* Mobile-First Base Styles */
body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
}

/* ========================================
   ENHANCED RESPONSIVE GRID PATTERNS
   ======================================== */

/* Responsive Grid System with Auto-Fit */
.grid-responsive {
    display: grid;
    gap: var(--spacing-6);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-responsive-sm {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

.grid-responsive-lg {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-8);
}

/* Card Grid Patterns */
.grid-cards {
    display: grid;
    gap: var(--spacing-6);
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.grid-cards-sm {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-4);
}

.grid-cards-lg {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

/* Dashboard Grid Patterns */
.grid-dashboard {
    display: grid;
    gap: var(--spacing-6);
    grid-template-columns: 1fr;
}

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

@media (min-width: 1024px) {
    .grid-dashboard {
        grid-template-columns: 2fr 1fr;
    }
}

@media (min-width: 1280px) {
    .grid-dashboard {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* Stat Cards Grid */
.grid-stats {
    display: grid;
    gap: var(--spacing-4);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .grid-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .grid-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Form Grid Patterns */
.grid-form {
    display: grid;
    gap: var(--spacing-4);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-form {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }
}

.grid-form-thirds {
    display: grid;
    gap: var(--spacing-4);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .grid-form-thirds {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-6);
    }
}

/* ========================================
   ENHANCED CONTAINER SYSTEM
   ======================================== */

/* Responsive Container Variants */
.container-responsive {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
    max-width: 100%;
}

@media (min-width: 640px) {
    .container-responsive {
        padding-left: var(--spacing-6);
        padding-right: var(--spacing-6);
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container-responsive {
        max-width: 768px;
    }
}

@media (min-width: 1024px) {
    .container-responsive {
        padding-left: var(--spacing-8);
        padding-right: var(--spacing-8);
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container-responsive {
        max-width: 1280px;
    }
}

@media (min-width: 1536px) {
    .container-responsive {
        max-width: 1536px;
    }
}

/* Fluid Container with Breakpoint Constraints */
.container-fluid {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
}

@media (min-width: 640px) {
    .container-fluid {
        padding-left: var(--spacing-6);
        padding-right: var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .container-fluid {
        padding-left: var(--spacing-8);
        padding-right: var(--spacing-8);
    }
}

@media (min-width: 1536px) {
    .container-fluid {
        padding-left: var(--spacing-12);
        padding-right: var(--spacing-12);
    }
}

/* Content Width Constraints */
.content-narrow {
    max-width: 42rem; /* 672px */
    margin-left: auto;
    margin-right: auto;
}

.content-reading {
    max-width: 65ch; /* Optimal reading width */
    margin-left: auto;
    margin-right: auto;
}

.content-wide {
    max-width: 90rem; /* 1440px */
    margin-left: auto;
    margin-right: auto;
}

/* Touch optimization for mobile devices */
.touch-manipulation {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* ========================================
   ENHANCED TOUCH-FRIENDLY INTERACTIONS
   ======================================== */

/* Touch-Friendly Interactions */
@media (hover: none) and (pointer: coarse) {
    /* Ensure minimum touch target sizes */
    .btn-unified,
    .btn,
    .btn-icon-unified,
    .btn-icon,
    button,
    .header-user-profile,
    .header-mobile-toggle,
    .modal-close,
    .toast-close,
    a[role="button"] {
        min-height: 44px;
        min-width: 44px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* Larger tap targets for form elements */
    .form-input-unified,
    .form-select-unified,
    .form-textarea-unified {
        min-height: 44px;
        touch-action: manipulation;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Larger checkbox and radio targets */
    .form-checkbox-unified input,
    .form-radio-unified input {
        width: 1.5rem;
        height: 1.5rem;
    }
    
    /* Enhanced touch targets for interactive elements */
    .card-unified,
    .card-enhanced,
    .card-feature,
    .card-stat {
        cursor: pointer;
    }
    
    /* Touch-friendly navigation links */
    .header-nav-link,
    .mobile-menu-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    /* Larger touch targets for close buttons */
    .alert-close,
    .modal-close,
    .toast-close {
        min-height: 44px;
        min-width: 44px;
        padding: var(--spacing-3);
    }
}

/* ========================================
   MOBILE NAVIGATION ENHANCEMENTS
   ======================================== */

/* Enhanced Mobile Menu System */
.mobile-menu-enhanced {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    opacity: 0;
    pointer-events: none;
    transition: all var(--duration-base) var(--ease-out);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.mobile-menu-enhanced.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu-enhanced-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(17, 24, 39, 0.6);
    touch-action: none;
}

.mobile-menu-enhanced-content {
    position: relative;
    background-color: white;
    width: 85vw;
    max-width: 20rem;
    height: 100%;
    box-shadow: var(--shadow-2xl);
    transform: translateX(-100%);
    transition: transform var(--duration-base) var(--ease-out);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mobile-menu-enhanced.active .mobile-menu-enhanced-content {
    transform: translateX(0);
}

.mobile-menu-enhanced-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-gray-50);
    flex-shrink: 0;
}

.mobile-menu-enhanced-nav {
    flex: 1;
    padding: var(--spacing-4) 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu-enhanced-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-base) var(--ease-out);
    min-height: 56px; /* Larger touch target */
    border-left: 3px solid transparent;
}

.mobile-menu-enhanced-link:hover,
.mobile-menu-enhanced-link:focus {
    background-color: var(--color-gray-50);
    color: var(--color-gray-900);
    outline: none;
}

.mobile-menu-enhanced-link.active {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
    border-left-color: var(--color-primary-600);
    font-weight: var(--font-weight-semibold);
}

.mobile-menu-enhanced-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-100);
    background-color: var(--color-gray-50);
    flex-shrink: 0;
}

/* Mobile Navigation Breadcrumbs */
.mobile-breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-100);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (min-width: 768px) {
    .mobile-breadcrumbs {
        display: none;
    }
}

.mobile-breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    white-space: nowrap;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.mobile-breadcrumb-link {
    color: var(--color-primary-600);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    min-height: 32px;
    display: flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-base);
    transition: background-color var(--duration-base) var(--ease-out);
}

.mobile-breadcrumb-link:hover {
    background-color: var(--color-primary-50);
}

.mobile-breadcrumb-separator {
    color: var(--color-gray-400);
    font-size: var(--font-size-xs);
}

/* Mobile Tab Navigation */
.mobile-tabs {
    display: flex;
    background-color: white;
    border-bottom: 1px solid var(--color-gray-200);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (min-width: 768px) {
    .mobile-tabs {
        justify-content: center;
    }
}

.mobile-tab {
    flex: 1;
    min-width: 120px;
    padding: var(--spacing-4);
    text-align: center;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all var(--duration-base) var(--ease-out);
    white-space: nowrap;
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-tab:hover,
.mobile-tab:focus {
    color: var(--color-primary-600);
    background-color: var(--color-primary-50);
    outline: none;
}

.mobile-tab.active {
    color: var(--color-primary-600);
    border-bottom-color: var(--color-primary-600);
    font-weight: var(--font-weight-semibold);
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    z-index: var(--z-fixed);
    padding: var(--spacing-2) 0;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .mobile-bottom-nav {
        display: none;
    }
}

.mobile-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2);
    text-decoration: none;
    color: var(--color-gray-500);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    transition: color var(--duration-base) var(--ease-out);
    min-height: 56px;
    gap: var(--spacing-1);
}

.mobile-bottom-nav-item:hover,
.mobile-bottom-nav-item:focus {
    color: var(--color-primary-600);
    outline: none;
}

.mobile-bottom-nav-item.active {
    color: var(--color-primary-600);
}

.mobile-bottom-nav-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-bottom: var(--spacing-1);
}

/* Mobile Floating Action Button */
.mobile-fab {
    position: fixed;
    bottom: calc(var(--spacing-20) + env(safe-area-inset-bottom, 0px));
    right: var(--spacing-6);
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all var(--duration-base) var(--ease-out);
    z-index: var(--z-fixed);
    border: none;
    cursor: pointer;
}

@media (min-width: 768px) {
    .mobile-fab {
        display: none;
    }
}

.mobile-fab:hover,
.mobile-fab:focus {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    outline: none;
}

.mobile-fab:active {
    transform: scale(0.95);
}

/* Safe Area Support for iOS */
@supports (padding: max(0px)) {
    .mobile-bottom-nav {
        padding-bottom: max(var(--spacing-2), env(safe-area-inset-bottom));
    }
    
    .mobile-fab {
        bottom: max(var(--spacing-20), calc(var(--spacing-20) + env(safe-area-inset-bottom)));
    }
}

/* ========================================
   MOBILE-OPTIMIZED TYPOGRAPHY SYSTEM
   ======================================== */

/* Mobile Navigation Patterns */
@media (max-width: 767px) {
    .mobile-stack {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .mobile-full-width {
        width: 100%;
    }
    
    .mobile-hidden {
        display: none;
    }
    
    .mobile-center {
        text-align: center;
    }
    
    /* Mobile-optimized typography */
    .heading-1 {
        font-size: 2rem;
        line-height: var(--line-height-tight);
        letter-spacing: -0.02em;
    }
    
    .heading-2 {
        font-size: 1.75rem;
        line-height: var(--line-height-tight);
        letter-spacing: -0.01em;
    }
    
    .heading-3 {
        font-size: 1.25rem;
        line-height: var(--line-height-tight);
    }
    
    .heading-4 {
        font-size: 1.125rem;
        line-height: var(--line-height-tight);
    }
    
    /* Mobile body text adjustments */
    .body-large {
        font-size: var(--font-size-base);
        line-height: var(--line-height-relaxed);
    }
    
    .body-base {
        font-size: var(--font-size-sm);
        line-height: var(--line-height-normal);
    }
    
    /* Mobile-optimized spacing */
    .mobile-px-4 {
        padding-left: var(--spacing-4);
        padding-right: var(--spacing-4);
    }
    
    .mobile-py-6 {
        padding-top: var(--spacing-6);
        padding-bottom: var(--spacing-6);
    }
    
    .mobile-px-6 {
        padding-left: var(--spacing-6);
        padding-right: var(--spacing-6);
    }
    
    .mobile-py-8 {
        padding-top: var(--spacing-8);
        padding-bottom: var(--spacing-8);
    }
    
    /* Mobile gap adjustments */
    .mobile-gap-4 {
        gap: var(--spacing-4);
    }
    
    .mobile-gap-6 {
        gap: var(--spacing-6);
    }
    
    /* Mobile margin adjustments */
    .mobile-mb-4 {
        margin-bottom: var(--spacing-4);
    }
    
    .mobile-mb-6 {
        margin-bottom: var(--spacing-6);
    }
    
    .mobile-mt-4 {
        margin-top: var(--spacing-4);
    }
    
    .mobile-mt-6 {
        margin-top: var(--spacing-6);
    }
}

/* Enhanced Mobile Typography Scale */
.mobile-heading-xl {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.025em;
}

@media (max-width: 640px) {
    .mobile-heading-xl {
        font-size: 2rem;
    }
}

.mobile-heading-lg {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
}

@media (max-width: 640px) {
    .mobile-heading-lg {
        font-size: 1.75rem;
    }
}

.mobile-heading-md {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

@media (max-width: 640px) {
    .mobile-heading-md {
        font-size: 1.25rem;
    }
}

.mobile-text-lg {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

@media (max-width: 640px) {
    .mobile-text-lg {
        font-size: var(--font-size-base);
    }
}

.mobile-text-base {
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

@media (max-width: 640px) {
    .mobile-text-base {
        font-size: var(--font-size-sm);
    }
}

/* Mobile Reading Optimization */
.mobile-reading-width {
    max-width: 100%;
}

@media (min-width: 640px) {
    .mobile-reading-width {
        max-width: 65ch;
    }
}

/* Mobile Line Height Adjustments */
.mobile-leading-tight {
    line-height: var(--line-height-tight);
}

.mobile-leading-normal {
    line-height: var(--line-height-normal);
}

.mobile-leading-relaxed {
    line-height: var(--line-height-relaxed);
}

/* ========================================
   ENHANCED RESPONSIVE UTILITIES
   ======================================== */

/* Responsive Flex Utilities */
.flex-mobile-col {
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .flex-mobile-col {
        flex-direction: row;
    }
}

.flex-mobile-row {
    display: flex;
    flex-direction: row;
}

@media (max-width: 767px) {
    .flex-mobile-row {
        flex-direction: column;
    }
}

/* Responsive Alignment */
.items-mobile-center {
    align-items: center;
}

@media (max-width: 767px) {
    .items-mobile-center {
        align-items: flex-start;
    }
}

.justify-mobile-center {
    justify-content: center;
}

@media (max-width: 767px) {
    .justify-mobile-center {
        justify-content: flex-start;
    }
}

/* Responsive Text Alignment */
.text-mobile-center {
    text-align: center;
}

@media (max-width: 767px) {
    .text-mobile-center {
        text-align: left;
    }
}

.text-mobile-left {
    text-align: left;
}

@media (min-width: 768px) {
    .text-mobile-left {
        text-align: center;
    }
}

/* Responsive Width Utilities */
.w-mobile-full {
    width: 100%;
}

@media (min-width: 768px) {
    .w-mobile-full {
        width: auto;
    }
}

.w-mobile-auto {
    width: auto;
}

@media (max-width: 767px) {
    .w-mobile-auto {
        width: 100%;
    }
}

/* Responsive Order Utilities */
.order-mobile-first {
    order: -1;
}

@media (min-width: 768px) {
    .order-mobile-first {
        order: 0;
    }
}

.order-mobile-last {
    order: 1;
}

@media (min-width: 768px) {
    .order-mobile-last {
        order: 0;
    }
}

/* Responsive Overflow Utilities */
.overflow-mobile-hidden {
    overflow: hidden;
}

@media (min-width: 768px) {
    .overflow-mobile-hidden {
        overflow: visible;
    }
}

.overflow-mobile-scroll {
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

@media (min-width: 768px) {
    .overflow-mobile-scroll {
        overflow: visible;
    }
}

/* ========================================
   MOBILE FORM ENHANCEMENTS
   ======================================== */

/* Mobile Form Layouts */
.form-mobile-stack {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

@media (min-width: 768px) {
    .form-mobile-stack {
        flex-direction: row;
        gap: var(--spacing-6);
    }
}

.form-mobile-full {
    width: 100%;
}

@media (min-width: 768px) {
    .form-mobile-full {
        width: auto;
        flex: 1;
    }
}

/* Mobile Button Groups */
.btn-group-mobile {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

@media (min-width: 640px) {
    .btn-group-mobile {
        flex-direction: row;
        gap: var(--spacing-4);
    }
}

.btn-mobile-full {
    width: 100%;
    justify-content: center;
}

@media (min-width: 640px) {
    .btn-mobile-full {
        width: auto;
    }
}

/* Mobile Card Adjustments */
@media (max-width: 767px) {
    .card-enhanced,
    .card-feature,
    .card-stat {
        padding: var(--spacing-6);
        margin-left: calc(-1 * var(--spacing-4));
        margin-right: calc(-1 * var(--spacing-4));
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .card-enhanced:first-child,
    .card-feature:first-child,
    .card-stat:first-child {
        border-top-left-radius: var(--radius-2xl);
        border-top-right-radius: var(--radius-2xl);
        border-top: 1px solid rgba(245, 245, 244, 0.5);
    }
    
    .card-enhanced:last-child,
    .card-feature:last-child,
    .card-stat:last-child {
        border-bottom-left-radius: var(--radius-2xl);
        border-bottom-right-radius: var(--radius-2xl);
        border-bottom: 1px solid rgba(245, 245, 244, 0.5);
    }
}

/* Mobile Modal Adjustments */
@media (max-width: 640px) {
    .modal-content-unified {
        margin: var(--spacing-4);
        max-height: calc(100vh - 2rem);
        width: calc(100vw - 2rem);
    }
    
    .modal-header-unified {
        padding: var(--spacing-4);
    }
    
    .modal-body-unified {
        padding: var(--spacing-4);
        max-height: calc(100vh - 12rem);
    }
    
    .modal-footer-unified {
        padding: var(--spacing-4);
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .modal-footer-unified .btn-unified {
        width: 100%;
    }
}

/* Tablet Adaptations */
@media (min-width: 768px) and (max-width: 1023px) {
    .tablet-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .tablet-hidden {
        display: none;
    }
    
    .tablet-flex {
        display: flex;
    }
}

/* Desktop Optimizations */
@media (min-width: 1024px) {
    .desktop-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .desktop-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    .desktop-hidden {
        display: none;
    }
    
    .desktop-flex {
        display: flex;
    }
}

/* Responsive Utilities */
.responsive-image {
    max-width: 100%;
    height: auto;
}

.responsive-video {
    width: 100%;
    height: auto;
}

/* Responsive Text Scaling */
@media (max-width: 640px) {
    .responsive-text-sm {
        font-size: var(--font-size-sm);
    }
    
    .responsive-text-base {
        font-size: var(--font-size-base);
    }
}

@media (min-width: 1024px) {
    .responsive-text-lg {
        font-size: var(--font-size-lg);
    }
    
    .responsive-text-xl {
        font-size: var(--font-size-xl);
    }
}

/* ========================================
   TOUCH FEEDBACK AND MOBILE ANIMATIONS
   ======================================== */

/* Touch Active States */
.touch-active {
    transform: scale(0.98);
    opacity: 0.8;
    transition: all 0.1s ease-out;
}

/* Touch Ripple Effect */
.touch-ripple {
    position: relative;
    overflow: hidden;
}

.touch-ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease-out, height 0.3s ease-out;
    pointer-events: none;
}

.touch-ripple:active::before {
    width: 200px;
    height: 200px;
}

/* Mobile Scroll Indicators */
.mobile-scroll-indicator {
    position: relative;
}

.mobile-scroll-indicator::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, transparent, var(--color-primary-200), transparent);
    opacity: 0;
    transition: opacity 0.3s ease-out;
    pointer-events: none;
}

.mobile-scroll-indicator.scrolling::after {
    opacity: 1;
}

/* Pull to Refresh Indicator */
.pull-refresh-indicator {
    position: fixed;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--color-primary-600);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0;
    transition: all 0.3s ease-out;
    z-index: var(--z-toast);
}

.pull-refresh-indicator.active {
    top: 20px;
    opacity: 1;
}

/* Mobile Loading States */
.mobile-loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-out;
}

.mobile-loading-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Swipe Indicators */
.swipe-indicator {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 30px;
    background: var(--color-primary-400);
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.swipe-indicator-left {
    left: 10px;
}

.swipe-indicator-right {
    right: 10px;
}

.swipe-enabled:hover .swipe-indicator {
    opacity: 0.6;
}

/* Mobile Haptic Feedback Classes */
.haptic-light {
    /* Used with JavaScript to trigger light haptic feedback */
}

.haptic-medium {
    /* Used with JavaScript to trigger medium haptic feedback */
}

.haptic-heavy {
    /* Used with JavaScript to trigger heavy haptic feedback */
}

/* ========================================
   UNIFIED ANIMATION AND INTERACTION SYSTEM
   ======================================== */

/* ========================================
   CONSISTENT HOVER EFFECTS
   ======================================== */

/* Base Hover Effect Classes */
.hover-lift-sm {
    transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}

.hover-lift-sm:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.hover-lift-md {
    transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}

.hover-lift-md:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hover-lift-lg {
    transition: transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}

.hover-lift-lg:hover:not(:disabled) {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Hover Scale Effects */
.hover-scale-sm {
    transition: transform var(--duration-base) var(--ease-out);
}

.hover-scale-sm:hover:not(:disabled) {
    transform: scale(1.02);
}

.hover-scale-md {
    transition: transform var(--duration-base) var(--ease-out);
}

.hover-scale-md:hover:not(:disabled) {
    transform: scale(1.05);
}

.hover-scale-lg {
    transition: transform var(--duration-base) var(--ease-out);
}

.hover-scale-lg:hover:not(:disabled) {
    transform: scale(1.1);
}

/* Hover Glow Effects */
.hover-glow-primary {
    transition: box-shadow var(--duration-base) var(--ease-out);
}

.hover-glow-primary:hover:not(:disabled) {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.hover-glow-success {
    transition: box-shadow var(--duration-base) var(--ease-out);
}

.hover-glow-success:hover:not(:disabled) {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.hover-glow-warning {
    transition: box-shadow var(--duration-base) var(--ease-out);
}

.hover-glow-warning:hover:not(:disabled) {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.hover-glow-error {
    transition: box-shadow var(--duration-base) var(--ease-out);
}

.hover-glow-error:hover:not(:disabled) {
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

/* Hover Border Effects */
.hover-border-primary {
    transition: border-color var(--duration-base) var(--ease-out);
}

.hover-border-primary:hover:not(:disabled) {
    border-color: var(--color-primary-500);
}

.hover-border-success {
    transition: border-color var(--duration-base) var(--ease-out);
}

.hover-border-success:hover:not(:disabled) {
    border-color: var(--color-success);
}

/* Hover Background Effects */
.hover-bg-primary {
    transition: background-color var(--duration-base) var(--ease-out);
}

.hover-bg-primary:hover:not(:disabled) {
    background-color: var(--color-primary-50);
}

.hover-bg-gray {
    transition: background-color var(--duration-base) var(--ease-out);
}

.hover-bg-gray:hover:not(:disabled) {
    background-color: var(--color-gray-50);
}

/* Combined Hover Effects */
.hover-card-lift {
    transition: all var(--duration-base) var(--ease-out);
}

.hover-card-lift:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.2);
}

.hover-button-lift {
    transition: all var(--duration-base) var(--ease-out);
}

.hover-button-lift:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-indigo-lg);
}

/* ========================================
   SMOOTH STATE TRANSITIONS
   ======================================== */

/* State Transition Base Classes */
.transition-all {
    transition: all var(--duration-base) var(--ease-out);
}

.transition-fast {
    transition: all var(--duration-fast) var(--ease-out);
}

.transition-slow {
    transition: all var(--duration-slow) var(--ease-out);
}

.transition-colors {
    transition: color var(--duration-base) var(--ease-out), 
                background-color var(--duration-base) var(--ease-out), 
                border-color var(--duration-base) var(--ease-out);
}

.transition-transform {
    transition: transform var(--duration-base) var(--ease-out);
}

.transition-opacity {
    transition: opacity var(--duration-base) var(--ease-out);
}

.transition-shadow {
    transition: box-shadow var(--duration-base) var(--ease-out);
}

/* State-Specific Transitions */
.state-loading {
    opacity: 0.7;
    pointer-events: none;
    transition: opacity var(--duration-base) var(--ease-out);
}

.state-disabled {
    opacity: 0.5;
    pointer-events: none;
    filter: grayscale(50%);
    transition: all var(--duration-base) var(--ease-out);
}

.state-success {
    border-color: var(--color-success);
    background-color: var(--color-success-light);
    transition: all var(--duration-base) var(--ease-out);
}

.state-error {
    border-color: var(--color-error);
    background-color: var(--color-error-light);
    transition: all var(--duration-base) var(--ease-out);
}

.state-warning {
    border-color: var(--color-warning);
    background-color: var(--color-warning-light);
    transition: all var(--duration-base) var(--ease-out);
}

/* Focus States */
.focus-ring-primary:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
    transition: box-shadow var(--duration-fast) var(--ease-out);
}

.focus-ring-success:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    transition: box-shadow var(--duration-fast) var(--ease-out);
}

.focus-ring-error:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.2);
    transition: box-shadow var(--duration-fast) var(--ease-out);
}

/* ========================================
   LOADING ANIMATIONS AND PROGRESS INDICATORS
   ======================================== */

/* Enhanced Spinner Variants */
.spinner-sm {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.spinner-md {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.spinner-lg {
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.spinner-xl {
    width: 3rem;
    height: 3rem;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

/* Colored Spinners */
.spinner-primary {
    border-color: rgba(99, 102, 241, 0.2);
    border-top-color: var(--color-primary-600);
}

.spinner-success {
    border-color: rgba(16, 185, 129, 0.2);
    border-top-color: var(--color-success);
}

.spinner-warning {
    border-color: rgba(245, 158, 11, 0.2);
    border-top-color: var(--color-warning);
}

.spinner-error {
    border-color: rgba(239, 68, 68, 0.2);
    border-top-color: var(--color-error);
}

.spinner-white {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

/* Dots Loading Animation */
.loading-dots {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
}

.loading-dot {
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-primary-600);
    border-radius: var(--radius-full);
    animation: loadingDots 1.4s infinite ease-in-out both;
}

.loading-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes loadingDots {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Pulse Loading Animation */
.loading-pulse {
    animation: loadingPulse 2s infinite;
}

@keyframes loadingPulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        opacity: 1;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
    border-radius: var(--radius-base);
}

@keyframes skeleton {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-2);
}

.skeleton-text:last-child {
    margin-bottom: 0;
    width: 60%;
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
}

.skeleton-button {
    height: 2.5rem;
    width: 6rem;
    border-radius: var(--radius-xl);
}

.skeleton-card {
    height: 8rem;
    border-radius: var(--radius-2xl);
}

/* Progress Bars Enhanced */
.progress-container {
    width: 100%;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-bar-animated {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-full);
    transition: width 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.progress-bar-animated::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-sm {
    height: 0.25rem;
}

.progress-md {
    height: 0.5rem;
}

.progress-lg {
    height: 0.75rem;
}

.progress-xl {
    height: 1rem;
}

/* Indeterminate Progress */
.progress-indeterminate {
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-600));
    animation: progressIndeterminate 2s infinite linear;
}

@keyframes progressIndeterminate {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ========================================
   MICRO-INTERACTIONS
   ======================================== */

/* Button Press Effects */
.btn-press:active {
    transform: scale(0.98);
    transition: transform 0.1s ease-out;
}

.btn-bounce:active {
    animation: btnBounce 0.3s ease-out;
}

@keyframes btnBounce {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.95);
    }
    100% {
        transform: scale(1);
    }
}

/* Icon Animations */
.icon-spin {
    animation: spin 1s linear infinite;
}

.icon-pulse {
    animation: iconPulse 2s infinite;
}

@keyframes iconPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

.icon-bounce {
    animation: iconBounce 1s infinite;
}

@keyframes iconBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-3px);
    }
    60% {
        transform: translateY(-1px);
    }
}

.icon-shake {
    animation: iconShake 0.5s ease-in-out;
}

@keyframes iconShake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-2px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(2px);
    }
}

/* Notification Animations */
.notification-slide-in {
    animation: notificationSlideIn 0.3s ease-out;
}

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

.notification-slide-out {
    animation: notificationSlideOut 0.3s ease-in;
}

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

.notification-fade-in {
    animation: notificationFadeIn 0.3s ease-out;
}

@keyframes notificationFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Form Field Animations */
.field-focus-grow {
    transition: all var(--duration-base) var(--ease-out);
}

.field-focus-grow:focus {
    transform: scale(1.02);
}

.field-shake-error {
    animation: fieldShake 0.5s ease-in-out;
}

@keyframes fieldShake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-3px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(3px);
    }
}

.field-success-check {
    position: relative;
}

.field-success-check::after {
    content: '✓';
    position: absolute;
    right: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
    opacity: 0;
    animation: checkmarkAppear 0.3s ease-out forwards;
}

@keyframes checkmarkAppear {
    from {
        opacity: 0;
        transform: translateY(-50%) scale(0.5);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) scale(1);
    }
}

/* Card Hover Animations */
.card-hover-float {
    transition: all var(--duration-base) var(--ease-out);
}

.card-hover-float:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.card-hover-tilt {
    transition: transform var(--duration-base) var(--ease-out);
}

.card-hover-tilt:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(2deg);
}

/* Badge Animations */
.badge-pulse {
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
    }
}

.badge-wiggle {
    animation: badgeWiggle 1s ease-in-out infinite;
}

@keyframes badgeWiggle {
    0%, 7% {
        transform: rotateZ(0);
    }
    15% {
        transform: rotateZ(-15deg);
    }
    20% {
        transform: rotateZ(10deg);
    }
    25% {
        transform: rotateZ(-10deg);
    }
    30% {
        transform: rotateZ(6deg);
    }
    35% {
        transform: rotateZ(-4deg);
    }
    40%, 100% {
        transform: rotateZ(0);
    }
}

/* Modal Animations Enhanced */
.modal-zoom-in {
    animation: modalZoomIn 0.3s ease-out;
}

@keyframes modalZoomIn {
    from {
        opacity: 0;
        transform: scale(0.7);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-slide-down {
    animation: modalSlideDown 0.3s ease-out;
}

@keyframes modalSlideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-flip-in {
    animation: modalFlipIn 0.5s ease-out;
}

@keyframes modalFlipIn {
    from {
        opacity: 0;
        transform: perspective(1000px) rotateY(-90deg);
    }
    to {
        opacity: 1;
        transform: perspective(1000px) rotateY(0deg);
    }
}

/* Tooltip Animations */
.tooltip-fade-in {
    animation: tooltipFadeIn 0.2s ease-out;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Page Transition Animations */
.page-slide-in-right {
    animation: pageSlideInRight 0.4s ease-out;
}

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

.page-slide-in-left {
    animation: pageSlideInLeft 0.4s ease-out;
}

@keyframes pageSlideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.page-fade-in-up {
    animation: pageFadeInUp 0.5s ease-out;
}

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

/* ========================================
   ANIMATION TIMING UTILITIES
   ======================================== */

/* Animation Duration Classes */
.animate-fast {
    animation-duration: var(--duration-fast);
}

.animate-normal {
    animation-duration: var(--duration-base);
}

.animate-slow {
    animation-duration: var(--duration-slow);
}

/* Animation Delay Classes */
.animate-delay-100 {
    animation-delay: 100ms;
}

.animate-delay-200 {
    animation-delay: 200ms;
}

.animate-delay-300 {
    animation-delay: 300ms;
}

.animate-delay-500 {
    animation-delay: 500ms;
}

/* Animation Iteration Classes */
.animate-once {
    animation-iteration-count: 1;
}

.animate-infinite {
    animation-iteration-count: infinite;
}

.animate-twice {
    animation-iteration-count: 2;
}

/* Animation Fill Mode Classes */
.animate-fill-forwards {
    animation-fill-mode: forwards;
}

.animate-fill-backwards {
    animation-fill-mode: backwards;
}

.animate-fill-both {
    animation-fill-mode: both;
}

/* Animation Play State Classes */
.animate-paused {
    animation-play-state: paused;
}

.animate-running {
    animation-play-state: running;
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Hardware Acceleration */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Reduce Motion for Accessibility */
@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;
    }
    
    .hover-lift-sm:hover,
    .hover-lift-md:hover,
    .hover-lift-lg:hover,
    .hover-scale-sm:hover,
    .hover-scale-md:hover,
    .hover-scale-lg:hover {
        transform: none !important;
    }
}

/* ========================================
   ANIMATION UTILITY CLASSES
   ======================================== */

/* Visibility Animations */
.animate-fade-in {
    animation: fadeIn var(--duration-base) var(--ease-out);
}

.animate-fade-out {
    animation: fadeOut var(--duration-base) var(--ease-out);
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.animate-slide-up {
    animation: slideUp var(--duration-base) var(--ease-out);
}

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

.animate-slide-down {
    animation: slideDown var(--duration-base) var(--ease-out);
}

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

.animate-slide-left {
    animation: slideLeft var(--duration-base) var(--ease-out);
}

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

.animate-slide-right {
    animation: slideRight var(--duration-base) var(--ease-out);
}

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

.animate-zoom-in {
    animation: zoomIn var(--duration-base) var(--ease-out);
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-zoom-out {
    animation: zoomOut var(--duration-base) var(--ease-out);
}

@keyframes zoomOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.8);
    }
}

/* Attention-Seeking Animations */
.animate-bounce {
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -30px, 0);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -15px, 0);
    }
    90% {
        transform: translate3d(0, -4px, 0);
    }
}

.animate-flash {
    animation: flash 1s infinite;
}

@keyframes flash {
    0%, 50%, 100% {
        opacity: 1;
    }
    25%, 75% {
        opacity: 0;
    }
}

.animate-rubber-band {
    animation: rubberBand 1s;
}

@keyframes rubberBand {
    from {
        transform: scale3d(1, 1, 1);
    }
    30% {
        transform: scale3d(1.25, 0.75, 1);
    }
    40% {
        transform: scale3d(0.75, 1.25, 1);
    }
    50% {
        transform: scale3d(1.15, 0.85, 1);
    }
    65% {
        transform: scale3d(0.95, 1.05, 1);
    }
    75% {
        transform: scale3d(1.05, 0.95, 1);
    }
    to {
        transform: scale3d(1, 1, 1);
    }
}

.animate-tada {
    animation: tada 1s;
}

@keyframes tada {
    from {
        transform: scale3d(1, 1, 1);
    }
    10%, 20% {
        transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);
    }
    30%, 50%, 70%, 90% {
        transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
    }
    40%, 60%, 80% {
        transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
    }
    to {
        transform: scale3d(1, 1, 1);
    }
}

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

/* Stagger Animation Delays for Lists */
.stagger-children > *:nth-child(1) {
    animation-delay: 0ms;
}

.stagger-children > *:nth-child(2) {
    animation-delay: 100ms;
}

.stagger-children > *:nth-child(3) {
    animation-delay: 200ms;
}

.stagger-children > *:nth-child(4) {
    animation-delay: 300ms;
}

.stagger-children > *:nth-child(5) {
    animation-delay: 400ms;
}

.stagger-children > *:nth-child(6) {
    animation-delay: 500ms;
}

.stagger-children > *:nth-child(7) {
    animation-delay: 600ms;
}

.stagger-children > *:nth-child(8) {
    animation-delay: 700ms;
}

.stagger-children > *:nth-child(9) {
    animation-delay: 800ms;
}

.stagger-children > *:nth-child(10) {
    animation-delay: 900ms;
}

/* Fast Stagger */
.stagger-fast > *:nth-child(1) { animation-delay: 0ms; }
.stagger-fast > *:nth-child(2) { animation-delay: 50ms; }
.stagger-fast > *:nth-child(3) { animation-delay: 100ms; }
.stagger-fast > *:nth-child(4) { animation-delay: 150ms; }
.stagger-fast > *:nth-child(5) { animation-delay: 200ms; }
.stagger-fast > *:nth-child(6) { animation-delay: 250ms; }
.stagger-fast > *:nth-child(7) { animation-delay: 300ms; }
.stagger-fast > *:nth-child(8) { animation-delay: 350ms; }

/* Slow Stagger */
.stagger-slow > *:nth-child(1) { animation-delay: 0ms; }
.stagger-slow > *:nth-child(2) { animation-delay: 200ms; }
.stagger-slow > *:nth-child(3) { animation-delay: 400ms; }
.stagger-slow > *:nth-child(4) { animation-delay: 600ms; }
.stagger-slow > *:nth-child(5) { animation-delay: 800ms; }
.stagger-slow > *:nth-child(6) { animation-delay: 1000ms; }

/* ========================================
   INTERACTION FEEDBACK SYSTEM
   ======================================== */

/* Click Feedback */
.click-feedback {
    position: relative;
    overflow: hidden;
}

.click-feedback::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease-out, height 0.3s ease-out;
    pointer-events: none;
}

.click-feedback:active::after {
    width: 200px;
    height: 200px;
}

/* Success Feedback */
.success-feedback {
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Error Feedback */
.error-feedback {
    animation: errorShake 0.5s ease-in-out;
}

@keyframes errorShake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-4px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(4px);
    }
}

/* Loading Feedback */
.loading-feedback {
    position: relative;
}

.loading-feedback::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: loadingShimmer 2s infinite;
}

@keyframes loadingShimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* ========================================
   ENHANCED MICRO-INTERACTIONS
   ======================================== */

/* Magnetic Button Effect */
.btn-magnetic {
    transition: transform var(--duration-fast) var(--ease-out);
}

.btn-magnetic:hover {
    transform: scale(1.05);
}

/* Floating Label Effect */
.floating-label {
    position: relative;
}

.floating-label input:focus + label,
.floating-label input:not(:placeholder-shown) + label {
    transform: translateY(-1.5rem) scale(0.8);
    color: var(--color-primary-600);
}

.floating-label label {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    transition: all var(--duration-base) var(--ease-out);
    pointer-events: none;
    background: white;
    padding: 0 var(--spacing-1);
}

/* Morphing Icons */
.icon-morph {
    transition: all var(--duration-base) var(--ease-out);
}

.icon-morph:hover {
    transform: rotate(180deg);
}

/* Breathing Animation */
.animate-breathe {
    animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--color-primary-600);
    white-space: nowrap;
    animation: typewriter 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink-caret {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--color-primary-600);
    }
}

/* Parallax Scroll Effect */
.parallax-slow {
    transform: translateY(var(--scroll-y, 0));
    transition: transform 0.1s ease-out;
}

/* Reveal on Scroll */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   ANIMATION PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* Will-change for performance */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.will-change-scroll {
    will-change: scroll-position;
}

/* Contain for performance */
.contain-layout {
    contain: layout;
}

.contain-paint {
    contain: paint;
}

.contain-strict {
    contain: strict;
}

/* ========================================
   ANIMATION STATE MANAGEMENT
   ======================================== */

/* Animation States */
.animation-paused {
    animation-play-state: paused;
}

.animation-running {
    animation-play-state: running;
}

.animation-reverse {
    animation-direction: reverse;
}

.animation-alternate {
    animation-direction: alternate;
}

/* Visibility States */
.invisible {
    visibility: hidden;
}

.visible {
    visibility: visible;
}

.opacity-0 {
    opacity: 0;
}

.opacity-50 {
    opacity: 0.5;
}

.opacity-100 {
    opacity: 1;
}

/* Touch haptic feedback */
.haptic-light {
    /* Used with JavaScript to trigger light haptic feedback */
}

.haptic-medium {
    /* Used with JavaScript to trigger medium haptic feedback */
}

.haptic-heavy {
    /* Used with JavaScript to trigger heavy haptic feedback */
}

/* ========================================
   ACCESSIBILITY ENHANCEMENTS
   ======================================== */

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

.focus-ring {
    transition: box-shadow var(--duration-base) var(--ease-out);
}

.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

/* Screen Reader Only Content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn-unified,
    .card-unified,
    .form-input-unified {
        border-width: 2px;
    }
}

/* 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;
    }
}

/* ========================================
   LOADING STATES AND ANIMATIONS
   ======================================== */

/* Shimmer Loading Effect */
.shimmer {
    background: linear-gradient(90deg,
            var(--color-gray-100) 0%,
            var(--color-gray-200) 50%,
            var(--color-gray-100) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

/* ========================================
   EMPTY STATE SYSTEM
   ======================================== */

/* Empty State Container */
.empty-state-unified {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12);
    text-align: center;
    min-height: 20rem;
}

.empty-state-icon-unified {
    width: 5rem;
    height: 5rem;
    background-color: var(--color-gray-50);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    border: 1px solid var(--color-gray-100);
}

.empty-state-title-unified {
    color: var(--color-gray-900);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
    line-height: var(--line-height-tight);
}

.empty-state-description-unified {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-6);
    max-width: 24rem;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-normal);
}

/* Empty State Variants */
.empty-state-search {
    min-height: 16rem;
    padding: var(--spacing-8);
}

.empty-state-search .empty-state-icon-unified {
    background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
    border-color: var(--color-primary-200);
}

.empty-state-error .empty-state-icon-unified {
    background: linear-gradient(135deg, var(--color-error-light), #FEE2E2);
    border-color: rgba(239, 68, 68, 0.2);
}

.empty-state-success .empty-state-icon-unified {
    background: linear-gradient(135deg, var(--color-success-light), #D1FAE5);
    border-color: rgba(16, 185, 129, 0.2);
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Loading Skeleton Components */
.skeleton {
    background-color: var(--color-gray-200);
    border-radius: var(--radius-base);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.skeleton-text {
    height: 1rem;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-sm);
}

.skeleton-text-lg {
    height: 1.5rem;
}

.skeleton-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
}

.skeleton-button {
    height: 2.5rem;
    width: 6rem;
    border-radius: var(--radius-xl);
}

/* Loading Spinner */
.spinner-unified {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-200);
    border-top-color: var(--color-primary-600);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.spinner-lg {
    width: 2rem;
    height: 2rem;
    border-width: 3px;
}

.spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 1.5px;
}

/* Loading Overlay System */
.loading-overlay-unified {
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    border-radius: inherit;
}

.loading-overlay-fixed {
    position: fixed;
    z-index: var(--z-toast);
}

/* Loading State Container */
.loading-state-unified {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
}

.loading-state-inline {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

/* Loading Text */
.loading-text {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.loading-text-lg {
    font-size: var(--font-size-lg);
}

.loading-text-sm {
    font-size: var(--font-size-xs);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Fade In Animation */
.fade-in-unified {
    animation: fadeIn var(--duration-base) var(--ease-out);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(0.5rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In Animation */
.slide-in-unified {
    animation: slideIn var(--duration-base) var(--ease-out);
}

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

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Display Utilities */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* Position Utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Width and Height Utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333333%; }
.w-2\/3 { width: 66.666667%; }
.w-1\/4 { width: 25%; }
.w-3\/4 { width: 75%; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-2 { height: 0.5rem; }
.min-h-screen { min-height: 100vh; }

/* Text Utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }

/* Color Utilities */
.text-gray-500 { color: var(--color-gray-500); }
.text-gray-600 { color: var(--color-gray-600); }
.text-gray-700 { color: var(--color-gray-700); }
.text-gray-900 { color: var(--color-gray-900); }
.text-primary-600 { color: var(--color-primary-600); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-white { background-color: white; }
.bg-gray-50 { background-color: var(--color-gray-50); }
.bg-gray-100 { background-color: var(--color-gray-100); }
.bg-primary-50 { background-color: var(--color-primary-50); }
.bg-primary-600 { background-color: var(--color-primary-600); }

/* Border Utilities */
.border { border: 1px solid var(--color-gray-200); }
.border-0 { border: none; }
.border-t { border-top: 1px solid var(--color-gray-200); }
.border-b { border-bottom: 1px solid var(--color-gray-200); }
.border-l { border-left: 1px solid var(--color-gray-200); }
.border-r { border-right: 1px solid var(--color-gray-200); }

.border-gray-200 { border-color: var(--color-gray-200); }
.border-gray-300 { border-color: var(--color-gray-300); }
.border-primary-200 { border-color: var(--color-primary-200); }

.rounded { border-radius: var(--radius-base); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow Utilities */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Transition Utilities */
.transition { transition: all var(--duration-base) var(--ease-out); }
.transition-colors { transition: color var(--duration-base) var(--ease-out), background-color var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out); }
.transition-transform { transition: transform var(--duration-base) var(--ease-out); }

/* Transform Utilities */
.transform { transform: translateZ(0); }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:-translate-y-1:hover { transform: translateY(-0.25rem); }
.hover\:-translate-y-2:hover { transform: translateY(-0.5rem); }

/* Overflow Utilities */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Z-Index Utilities */
.z-0 { z-index: 0; }
.z-10 { z-index: var(--z-dropdown); }
.z-20 { z-index: var(--z-sticky); }
.z-30 { z-index: var(--z-fixed); }
.z-40 { z-index: var(--z-modal-backdrop); }
.z-50 { z-index: var(--z-modal); }

/* Cursor Utilities */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-default { cursor: default; }

/* Select Utilities */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* ========================================
   COMPONENT STATE CLASSES
   ======================================== */

/* Hover States */
.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* Active States */
.active-scale:active {
    transform: scale(0.98);
}

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

/* Loading States */
.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-top-color: var(--color-primary-600);
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;
}

/* Disabled States */
.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========================================
   RESPONSIVE VISIBILITY UTILITIES
   ======================================== */

/* Hide on mobile */
@media (max-width: 639px) {
    .sm\:hidden {
        display: none;
    }
}

/* Show only on mobile */
@media (min-width: 640px) {
    .sm\:block {
        display: block;
    }
    
    .sm\:flex {
        display: flex;
    }
    
    .sm\:grid {
        display: grid;
    }
}

/* Hide on tablet */
@media (max-width: 767px) {
    .md\:hidden {
        display: none;
    }
}

/* Show only on tablet and up */
@media (min-width: 768px) {
    .md\:block {
        display: block;
    }
    
    .md\:flex {
        display: flex;
    }
    
    .md\:grid {
        display: grid;
    }
}

/* Hide on desktop */
@media (max-width: 1023px) {
    .lg\:hidden {
        display: none;
    }
}

/* Show only on desktop */
@media (min-width: 1024px) {
    .lg\:block {
        display: block;
    }
    
    .lg\:flex {
        display: flex;
    }
    
    .lg\:grid {
        display: grid;
    }
}

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

@media print {
    .print\:hidden {
        display: none !important;
    }
    
    .print\:block {
        display: block !important;
    }
    
    /* Ensure good contrast for printing */
    .btn-unified,
    .card-unified {
        border: 1px solid #000 !important;
    }
    
    /* Remove shadows and effects for print */
    * {
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    /* Ensure readable text */
    body {
        color: #000 !important;
        background: #fff !important;
    }
}

/* ========================================
   DARK MODE SUPPORT (Future Enhancement)
   ======================================== */

@media (prefers-color-scheme: dark) {
    .dark\:bg-gray-900 {
        background-color: #1a1a1a;
    }
    
    .dark\:text-white {
        color: #ffffff;
    }
    
    .dark\:border-gray-700 {
        border-color: #374151;
    }
}

/* ========================================
   COMPONENT COMBINATIONS
   ======================================== */

/* Card + Button combinations */
.card-unified .btn-unified {
    margin-top: var(--spacing-4);
}

.card-enhanced .btn-primary-unified {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
    box-shadow: var(--shadow-indigo);
}

/* Form + Card combinations */
.card-unified .form-group:last-child {
    margin-bottom: 0;
}

/* Header + Main content spacing */
.header-unified + .page-main {
    padding-top: var(--spacing-4);
}

/* Modal + Form combinations */
.modal-content-unified .form-group:last-child {
    margin-bottom: 0;
}

.modal-footer-unified .btn-unified:last-child {
    margin-left: auto;
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */

/* GPU acceleration for animations */
.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

/* ========================================
   MOBILE MENU SYSTEM
   ======================================== */

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    opacity: 0;
    pointer-events: none;
    transition: all var(--duration-base) var(--ease-out);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.mobile-menu-content {
    position: relative;
    background-color: white;
    width: 20rem;
    max-width: 80vw;
    height: 100%;
    box-shadow: var(--shadow-2xl);
    transform: translateX(-100%);
    transition: transform var(--duration-base) var(--ease-out);
    display: flex;
    flex-direction: column;
}

.mobile-menu.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-nav {
    flex: 1;
    padding: var(--spacing-4) 0;
    overflow-y: auto;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-base) var(--ease-out);
    min-height: 44px;
}

.mobile-menu-link:hover {
    background-color: var(--color-gray-50);
    color: var(--color-gray-900);
}

.mobile-menu-link.active {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
    border-right: 3px solid var(--color-primary-600);
}

/* ========================================
   NOTIFICATION BANNER SYSTEM
   ======================================== */

.notification-banner {
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid transparent;
}

.notification-banner-info {
    background-color: var(--color-info-light);
    border-bottom-color: rgba(99, 102, 241, 0.2);
    color: var(--color-info-dark);
}

.notification-banner-success {
    background-color: var(--color-success-light);
    border-bottom-color: rgba(16, 185, 129, 0.2);
    color: var(--color-success-dark);
}

.notification-banner-warning {
    background-color: var(--color-warning-light);
    border-bottom-color: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-dark);
}

.notification-banner-error {
    background-color: var(--color-error-light);
    border-bottom-color: rgba(239, 68, 68, 0.2);
    color: var(--color-error-dark);
}

/* ========================================
   ALERT SYSTEM ENHANCEMENTS
   ======================================== */

.alert {
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    position: relative;
}

.alert-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-close {
    flex-shrink: 0;
    background: transparent;
    border: none;
    padding: var(--spacing-1);
    cursor: pointer;
    color: currentColor;
    opacity: 0.7;
    transition: opacity var(--duration-base) var(--ease-out);
    border-radius: var(--radius-sm);
    margin-top: -2px;
}

.alert-close:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.05);
}

/* ========================================
   BROWSER COMPATIBILITY
   ======================================== */

/* Fallbacks for older browsers */
@supports not (backdrop-filter: blur(12px)) {
    .header-unified {
        background-color: rgba(255, 255, 255, 0.95);
    }
    
    .modal-overlay-unified {
        background-color: rgba(17, 24, 39, 0.8);
    }
}

/* Fallbacks for CSS Grid */
@supports not (display: grid) {
    .grid-unified {
        display: flex;
        flex-wrap: wrap;
    }
    
    .grid-cols-2 > * {
        flex: 0 0 calc(50% - var(--spacing-3));
    }
    
    .grid-cols-3 > * {
        flex: 0 0 calc(33.333% - var(--spacing-4));
    }
}

/* ========================================
   ANDROID-SPECIFIC FIXES
   ======================================== */

/* Fix Android viewport scaling issues */
@media screen and (-webkit-device-pixel-ratio: 1.5),
       screen and (-webkit-device-pixel-ratio: 2),
       screen and (-webkit-device-pixel-ratio: 3) {
    html {
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }
}

/* Android Chrome address bar compensation */
@supports (-webkit-touch-callout: none) {
    .min-h-screen {
        min-height: -webkit-fill-available;
    }
}

/* Fix Android input zoom */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    font-size: 16px !important; /* Prevents zoom on Android */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Android-specific touch improvements */
* {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Allow text selection for inputs and content */
input,
textarea,
[contenteditable],
.selectable {
    -webkit-user-select: text;
    -khtml-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Fix Android button styling */
button,
input[type="button"],
input[type="submit"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 0;
}

/* Android-specific grid fixes */
@media screen and (max-width: 640px) {
    .grid-cols-1,
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    /* Force single column on small Android screens */
    .sm\:grid-cols-2,
    .sm\:grid-cols-3 {
        grid-template-columns: 1fr !important;
    }
}

/* Android Chrome specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    select {
        background-image: url("data:image/svg+xml;charset=US-ASCII,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'><path fill='%23666' d='M2 0L0 2h4zm0 5L0 3h4z'/></svg>");
        background-repeat: no-repeat;
        background-position: right 0.7rem center;
        background-size: 0.65rem auto;
    }
}



/* Android keyboard handling */
@media screen and (max-height: 500px) and (orientation: landscape) {
    .header-unified {
        position: relative !important;
    }
    
    .min-h-screen {
        min-height: auto !important;
    }
}
/* ========================================
   MOBILE-SPECIFIC UTILITY CLASSES
   ======================================== */

/* Mobile flex utilities */
.flex-mobile-col {
    display: flex;
    flex-direction: column;
}

@media (min-width: 640px) {
    .sm\:flex-row {
        flex-direction: row !important;
    }
}

/* Mobile width utilities */
.w-mobile-full {
    width: 100%;
}

@media (min-width: 640px) {
    .w-mobile-full {
        width: auto;
    }
}

/* Mobile spacing utilities */
.mb-mobile-2 {
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .sm\:mb-0 {
        margin-bottom: 0 !important;
    }
}

/* Mobile border radius utilities */
.rounded-mobile-md {
    border-radius: 0.375rem;
}

@media (min-width: 640px) {
    .sm\:rounded-l-md {
        border-top-left-radius: 0.375rem !important;
        border-bottom-left-radius: 0.375rem !important;
        border-top-right-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
    }
    
    .sm\:rounded-r-md {
        border-top-right-radius: 0.375rem !important;
        border-bottom-right-radius: 0.375rem !important;
        border-top-left-radius: 0 !important;
        border-bottom-left-radius: 0 !important;
    }
    
    .sm\:rounded-r-none {
        border-top-right-radius: 0 !important;
        border-bottom-right-radius: 0 !important;
    }
    
    .sm\:rounded-l-none {
        border-top-left-radius: 0 !important;
        border-bottom-left-radius: 0 !important;
    }
}

/* Minimum height utilities */
.min-h-\[44px\] {
    min-height: 44px;
}

/* Android-specific input fixes - Updated for join form */
.android-device .join-input {
    font-size: 16px !important;
    line-height: 1.5 !important;
    padding: 1rem 1.25rem !important;
}

.android-device .join-button {
    min-height: 44px !important;
    padding: 1rem 2rem !important;
}
/* ========================================
   JOIN FORM SPECIFIC STYLES
   ======================================== */

.join-form-container {
    width: 100%;
    max-width: 28rem; /* 448px */
    margin: 0 auto;
}

@media (min-width: 640px) {
    .join-form-container {
        margin: 0;
    }
}

@media (min-width: 1024px) {
    .join-form-container {
        margin: 0;
    }
}

.join-form-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

@media (min-width: 640px) {
    .join-form-wrapper {
        flex-direction: row;
        gap: 0;
    }
}

.join-input {
    flex: 1;
    appearance: none;
    border: 2px solid #d1d5db;
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #111827;
    background-color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease-in-out;
    min-height: 3.5rem; /* 56px */
    width: 100%;
}

@media (min-width: 640px) {
    .join-input {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
        border-right: 1px solid #d1d5db;
        width: auto;
        min-width: 12rem;
    }
}

.join-input:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.join-input::placeholder {
    color: #9ca3af;
    font-weight: 500;
}

.join-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.3);
    min-height: 3.5rem; /* 56px */
    width: 100%;
    white-space: nowrap;
}

@media (min-width: 640px) {
    .join-button {
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
        width: auto;
        min-width: 7rem;
    }
}

.join-button:hover {
    background: linear-gradient(135deg, #4338ca, #4f46e5);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.4);
}

.join-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px 0 rgba(79, 70, 229, 0.3);
}

.join-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* Android-specific fixes for join form */
.android-device .join-input {
    font-size: 16px !important; /* Prevent zoom */
    -webkit-appearance: none;
    -webkit-border-radius: 0.75rem;
}

.android-device .join-button {
    -webkit-appearance: none;
    -webkit-border-radius: 0.75rem;
}

/* iOS-specific fixes for join form */
.ios-device .join-input {
    -webkit-appearance: none;
    -webkit-border-radius: 0.75rem;
}

.ios-device .join-button {
    -webkit-appearance: none;
    -webkit-border-radius: 0.75rem;
}

/* Touch device optimizations */
.touch-device .join-input,
.touch-device .join-button {
    min-height: 44px; /* Minimum touch target */
}

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .join-input,
    .join-button {
        border-width: 1px;
    }
}

/* Focus improvements for accessibility */
.join-input:focus-visible,
.join-button:focus-visible {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

/* Error state styling */
.join-input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Loading state for button */
.join-button.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.join-button.loading::after {
    content: '';
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}
/* ========================================
   PARTICIPANT VIEW RESPONSIVE STYLES
   ======================================== */

/* Mobile-optimized question display */
.participant-question-container {
    padding: 1rem;
}

@media (min-width: 640px) {
    .participant-question-container {
        padding: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .participant-question-container {
        padding: 2rem;
    }
}

/* Responsive question options */
.participant-option-button {
    width: 100%;
    text-align: left;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    border: 2px solid #e5e7eb;
    background-color: white;
    transition: all 0.2s ease-in-out;
    min-height: 60px;
    touch-action: manipulation;
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .participant-option-button {
        padding: 1.5rem 2rem;
        min-height: 70px;
    }
}

.participant-option-button:hover {
    border-color: #6366f1;
    background-color: #f0f9ff;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.participant-option-button.selected {
    border-color: #6366f1;
    background-color: #eff6ff;
}

.participant-option-letter {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background-color: #f3f4f6;
    color: #6b7280;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.participant-option-button.selected .participant-option-letter {
    background-color: #6366f1;
    color: white;
}

.participant-option-text {
    flex: 1;
    font-size: 1rem;
    font-weight: 500;
    color: #374151;
    line-height: 1.5;
    word-break: break-word;
}

@media (min-width: 768px) {
    .participant-option-text {
        font-size: 1.125rem;
    }
}

.participant-option-button.selected .participant-option-text {
    color: #1e40af;
    font-weight: 600;
}

/* Responsive question images */
.participant-question-image {
    max-width: 100%;
    height: auto;
    border-radius: 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    object-fit: contain;
    max-height: 250px;
}

@media (min-width: 640px) {
    .participant-question-image {
        max-height: 350px;
    }
}

@media (min-width: 1024px) {
    .participant-question-image {
        max-height: 400px;
    }
}

/* Results view responsive styles */
.participant-results-option {
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    background-color: white;
    transition: all 0.3s ease-in-out;
}

.participant-results-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: rgba(156, 163, 175, 0.2);
    transition: width 0.5s ease-out;
}

.participant-results-content {
    position: relative;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 10;
}

@media (min-width: 768px) {
    .participant-results-content {
        padding: 1.25rem;
        gap: 1rem;
    }
}

.participant-results-letter {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background-color: #f3f4f6;
    color: #6b7280;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .participant-results-letter {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
}

.participant-results-text {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .participant-results-text {
        font-size: 1rem;
        line-height: 1.5;
    }
}

.participant-results-percentage {
    font-size: 0.75rem;
    font-weight: 700;
    color: #6b7280;
    margin-left: 0.5rem;
}

@media (min-width: 768px) {
    .participant-results-percentage {
        font-size: 0.875rem;
    }
}

/* Correct answer styling */
.participant-results-option.correct {
    background-color: #f0fdf4;
    border-color: #22c55e;
}

.participant-results-option.correct .participant-results-bar {
    background-color: rgba(34, 197, 94, 0.2);
}

.participant-results-option.correct .participant-results-letter {
    background-color: #dcfce7;
    color: #15803d;
}

.participant-results-option.correct .participant-results-text {
    color: #15803d;
    font-weight: 600;
}

/* Wrong answer styling */
.participant-results-option.wrong {
    background-color: #fef2f2;
    border-color: #ef4444;
}

.participant-results-option.wrong .participant-results-letter {
    background-color: #fecaca;
    color: #dc2626;
}

.participant-results-option.wrong .participant-results-text {
    color: #dc2626;
    font-weight: 600;
}

/* User's answer styling */
.participant-results-option.user-answer {
    background-color: #eff6ff;
    border-color: #3b82f6;
}

.participant-results-option.user-answer .participant-results-letter {
    background-color: #dbeafe;
    color: #1d4ed8;
}

.participant-results-option.user-answer .participant-results-text {
    color: #1d4ed8;
    font-weight: 600;
}

/* Loading states */
.participant-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
}

@media (min-width: 640px) {
    .participant-loading {
        padding: 4rem 2rem;
    }
}

.participant-loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid #e5e7eb;
    border-top: 3px solid #6366f1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .participant-loading-spinner {
        width: 4rem;
        height: 4rem;
        border-width: 4px;
    }
}

/* Waiting state */
.participant-waiting {
    text-align: center;
    padding: 2rem 1rem;
}

@media (min-width: 640px) {
    .participant-waiting {
        padding: 3rem 2rem;
    }
}

.participant-waiting-icon {
    width: 4rem;
    height: 4rem;
    background-color: #eff6ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #6366f1;
}

@media (min-width: 640px) {
    .participant-waiting-icon {
        width: 6rem;
        height: 6rem;
        margin-bottom: 2rem;
    }
}

/* Score display */
.participant-score-container {
    text-align: center;
    padding: 2rem 1rem;
}

@media (min-width: 640px) {
    .participant-score-container {
        padding: 3rem 2rem;
    }
}

.participant-score-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@media (min-width: 640px) {
    .participant-score-emoji {
        font-size: 4rem;
        margin-bottom: 1.5rem;
    }
}

.participant-score-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #111827;
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .participant-score-title {
        font-size: 2rem;
    }
}

@media (min-width: 1024px) {
    .participant-score-title {
        font-size: 2.5rem;
    }
}

.participant-score-subtitle {
    font-size: 1rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .participant-score-subtitle {
        font-size: 1.125rem;
    }
}

.participant-score-card {
    background-color: #f8fafc;
    border-radius: 1rem;
    padding: 2rem;
    max-width: 20rem;
    margin: 0 auto;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

@media (min-width: 640px) {
    .participant-score-card {
        padding: 2.5rem;
        max-width: 24rem;
    }
}

.participant-score-percentage {
    font-size: 2.5rem;
    font-weight: 800;
    color: #6366f1;
    margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
    .participant-score-percentage {
        font-size: 3rem;
    }
}

/* Touch improvements for mobile */
@media (hover: none) and (pointer: coarse) {
    .participant-option-button {
        min-height: 60px;
        padding: 1.25rem;
    }
    
    .participant-option-letter {
        width: 3rem;
        height: 3rem;
    }
    
    .participant-option-text {
        font-size: 1rem;
        line-height: 1.4;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .participant-option-button {
        border-width: 3px;
    }
    
    .participant-option-button.selected {
        border-color: #000;
        background-color: #fff;
    }
    
    .participant-option-button.selected .participant-option-letter {
        background-color: #000;
        color: #fff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .participant-option-button,
    .participant-results-bar,
    .participant-loading-spinner {
        transition: none;
        animation: none;
    }
    
    .participant-score-emoji {
        animation: none;
    }
}

/* ========================================
   ANIMATION KEYFRAMES FOR JAVASCRIPT SYSTEM
   ======================================== */

/* Shimmer animation for skeleton loaders */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Shake animation for errors */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-4px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(4px);
    }
}

/* Bounce animation for success */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-8px);
    }
    70% {
        transform: translateY(-4px);
    }
    90% {
        transform: translateY(-2px);
    }
}

/* Slide in animation for form messages */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Skeleton loader base styles */
.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-base);
}

/* Skeleton variants */
.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-2);
}

.skeleton-text-lg {
    height: 1.5rem;
    margin-bottom: var(--spacing-3);
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
}

.skeleton-card {
    height: 8rem;
    border-radius: var(--radius-xl);
}

/* Animation data attributes for scroll animations */
[data-animate] {
    opacity: 0;
}

[data-animate="fadeIn"] {
    opacity: 0;
}

[data-animate="slideUp"] {
    opacity: 0;
    transform: translateY(30px);
}

[data-animate="slideLeft"] {
    opacity: 0;
    transform: translateX(30px);
}

[data-animate="slideRight"] {
    opacity: 0;
    transform: translateX(-30px);
}

[data-animate="scaleIn"] {
    opacity: 0;
    transform: scale(0.9);
}

/* Reduced motion preferences */
@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;
    }
    
    .skeleton-loader {
        animation: none;
        background: #f0f0f0;
    }
    
    [data-animate] {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ========================================
   ACCESSIBILITY ENHANCEMENTS
   ======================================== */

/* Focus indicators */
.focus-visible:focus {
    outline: 2px solid var(--color-primary-600);
    outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip to content link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary-600);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-base);
    z-index: 1000;
    transition: top 0.3s;
}

.skip-to-content:focus {
    top: 6px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-unified,
    .btn-primary-unified,
    .btn-secondary-unified {
        border: 2px solid currentColor;
    }
    
    .card-unified,
    .card-enhanced,
    .card-feature,
    .card-stat {
        border: 2px solid var(--color-gray-400);
    }
}

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

@media print {
    .header-unified,
    .mobile-bottom-nav,
    .mobile-fab,
    .toast-container,
    .btn-unified,
    .btn {
        display: none !important;
    }
    
    .page-main {
        padding-top: 0 !important;
    }
    
    .card-enhanced,
    .card-feature,
    .card-stat {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .heading-1,
    .heading-2,
    .heading-3,
    .heading-4 {
        color: black !important;
        page-break-after: avoid;
    }
    
    a {
        text-decoration: underline;
        color: black !important;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 10pt;
        color: #666;
    }
}

/* ========================================
   UTILITY CLASSES FOR COMMON PATTERNS
   ======================================== */

/* Visually hidden but accessible to screen readers */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Truncate text with ellipsis */
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.truncate-2-lines {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.truncate-3-lines {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Aspect ratio utilities */
.aspect-square {
    aspect-ratio: 1 / 1;
}

.aspect-video {
    aspect-ratio: 16 / 9;
}

.aspect-photo {
    aspect-ratio: 4 / 3;
}

/* Object fit utilities */
.object-cover {
    object-fit: cover;
}

.object-contain {
    object-fit: contain;
}

.object-fill {
    object-fit: fill;
}

/* Position utilities */
.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.sticky {
    position: sticky;
}

/* Z-index utilities */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Opacity utilities */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Pointer events utilities */
.pointer-events-none {
    pointer-events: none;
}

.pointer-events-auto {
    pointer-events: auto;
}

/* User select utilities */
.select-none {
    user-select: none;
}

.select-text {
    user-select: text;
}

.select-all {
    user-select: all;
}

/* Cursor utilities */
.cursor-pointer {
    cursor: pointer;
}

.cursor-not-allowed {
    cursor: not-allowed;
}

.cursor-wait {
    cursor: wait;
}

/* Transform utilities */
.transform {
    transform: translateZ(0);
}

.scale-95 {
    transform: scale(0.95);
}

.scale-100 {
    transform: scale(1);
}

.scale-105 {
    transform: scale(1.05);
}

.scale-110 {
    transform: scale(1.1);
}

/* Transition utilities */
.transition-none {
    transition: none;
}

.transition-all {
    transition: all var(--duration-base) var(--ease-out);
}

.transition-colors {
    transition: color var(--duration-base) var(--ease-out),
                background-color var(--duration-base) var(--ease-out),
                border-color var(--duration-base) var(--ease-out);
}

.transition-opacity {
    transition: opacity var(--duration-base) var(--ease-out);
}

.transition-transform {
    transition: transform var(--duration-base) var(--ease-out);
}

/* Duration utilities */
.duration-75 {
    transition-duration: 75ms;
}

.duration-100 {
    transition-duration: 100ms;
}

.duration-150 {
    transition-duration: var(--duration-fast);
}

.duration-200 {
    transition-duration: 200ms;
}

.duration-300 {
    transition-duration: var(--duration-base);
}

.duration-500 {
    transition-duration: var(--duration-slow);
}

/* Ease utilities */
.ease-linear {
    transition-timing-function: linear;
}

.ease-in {
    transition-timing-function: var(--ease-in);
}

.ease-out {
    transition-timing-function: var(--ease-out);
}

.ease-in-out {
    transition-timing-function: var(--ease-in-out);
}

/* ========================================
   COMPONENT STATE UTILITIES
   ======================================== */

/* Loading states */
.is-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.is-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Disabled states */
.is-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Active states */
.is-active {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
    border-color: var(--color-primary-200);
}

/* Error states */
.has-error {
    border-color: var(--color-error);
    background-color: rgba(254, 242, 242, 0.5);
}

/* Success states */
.has-success {
    border-color: var(--color-success);
    background-color: rgba(209, 250, 229, 0.3);
}

/* Warning states */
.has-warning {
    border-color: var(--color-warning);
    background-color: rgba(255, 251, 235, 0.5);
}

/* ========================================
   FINAL CLEANUP AND OPTIMIZATION
   ======================================== */

/* Ensure consistent box-sizing */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Remove default margins and paddings */
* {
    margin: 0;
    padding: 0;
}

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

/* Improve image rendering */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Improve button and input rendering */
button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

/* Remove button default styles */
button {
    background: none;
    border: none;
    cursor: pointer;
}

/* Improve link accessibility */
a {
    color: inherit;
    text-decoration: none;
}

a:focus {
    outline: 2px solid var(--color-primary-600);
    outline-offset: 2px;
}

/* Improve list rendering */
ul,
ol {
    list-style: none;
}

/* Improve table rendering */
table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* Improve form element rendering */
input,
textarea,
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* Improve scrollbar styling for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

/* Improve selection styling */
::selection {
    background-color: rgba(99, 102, 241, 0.2);
    color: var(--color-gray-900);
}

::-moz-selection {
    background-color: rgba(99, 102, 241, 0.2);
    color: var(--color-gray-900);
}

/* ========================================
   END OF UNIFIED DESIGN SYSTEM
   ======================================== */

/* ========================================
   LANDING PAGE SPECIFIC STYLES
   ======================================== */

/* Landing Page Hero Section */
.landing-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, white 50%, rgba(99, 102, 241, 0.03) 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.landing-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top right, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.landing-hero-content {
    position: relative;
    z-index: 10;
    max-width: 80rem;
    margin: 0 auto;
    padding: var(--spacing-4);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 640px) {
    .landing-hero-content {
        padding: var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .landing-hero-content {
        padding: var(--spacing-8);
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-16);
    }
}

.landing-hero-text {
    text-align: center;
}

@media (min-width: 1024px) {
    .landing-hero-text {
        text-align: left;
    }
}

.landing-hero-headline {
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.025em;
}

@media (min-width: 640px) {
    .landing-hero-headline {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .landing-hero-headline {
        font-size: 3.75rem;
    }
}

.landing-hero-subheadline {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-8);
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 640px) {
    .landing-hero-subheadline {
        font-size: var(--font-size-xl);
    }
}

@media (min-width: 1024px) {
    .landing-hero-subheadline {
        margin-left: 0;
        margin-right: 0;
    }
}

.landing-hero-ctas {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
}

@media (min-width: 640px) {
    .landing-hero-ctas {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    .landing-hero-ctas {
        justify-content: flex-start;
    }
}

.landing-hero-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-8);
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
    color: white;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-xl);
    text-decoration: none;
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.3), 0 4px 6px -2px rgba(99, 102, 241, 0.05);
    transition: all var(--duration-base) var(--ease-out);
    transform: translateY(0);
}

.landing-hero-cta-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
    box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.4), 0 8px 16px -4px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.landing-hero-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-8);
    background-color: white;
    color: var(--color-primary-600);
    font-weight: var(--font-weight-bold);
    border: 2px solid var(--color-primary-100);
    border-radius: var(--radius-xl);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-base) var(--ease-out);
    transform: translateY(0);
}

.landing-hero-cta-secondary:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.landing-hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.landing-hero-image img {
    width: 100%;
    height: auto;
    max-width: 32rem;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.15));
}

.landing-hero-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24rem;
    height: 24rem;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 50%;
    filter: blur(3rem);
    z-index: -1;
}

/* Landing Page Section Styles */
.landing-section {
    padding: var(--spacing-24) 0;
    position: relative;
}

.landing-section-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 640px) {
    .landing-section-container {
        padding: 0 var(--spacing-6);
    }
}

@media (min-width: 1024px) {
    .landing-section-container {
        padding: 0 var(--spacing-8);
    }
}

.landing-section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.landing-section-title {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-6);
    line-height: var(--line-height-tight);
}

@media (min-width: 640px) {
    .landing-section-title {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .landing-section-title {
        font-size: 2.5rem;
    }
}

.landing-section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    max-width: 48rem;
    margin: 0 auto;
}

/* Problem Statement Section */
.landing-problem {
    background-color: white;
}

.landing-problem-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.landing-problem-pain-points {
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    margin: var(--spacing-8) 0;
    text-align: left;
}

.landing-problem-pain-points h3 {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
}

.landing-problem-pain-points ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.landing-problem-pain-points li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
    color: var(--color-gray-700);
}

.landing-problem-pain-points li::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-error);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.landing-problem-highlight {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-600);
    font-style: italic;
}

/* Differentiator Section */
.landing-differentiator {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.landing-differentiator-quote {
    background: linear-gradient(135deg, var(--color-primary-50), rgba(99, 102, 241, 0.05));
    border-left: 4px solid var(--color-primary-500);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin: var(--spacing-6) 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-600);
    font-style: italic;
}

.landing-differentiator-capabilities {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
    margin: var(--spacing-6) 0;
}

@media (min-width: 768px) {
    .landing-differentiator-capabilities {
        grid-template-columns: repeat(2, 1fr);
    }
}

.landing-differentiator-capability {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.landing-differentiator-capability-icon {
    width: 2rem;
    height: 2rem;
    background-color: var(--color-primary-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.landing-differentiator-capability-icon svg {
    width: 1rem;
    height: 1rem;
    color: var(--color-primary-600);
}

.landing-differentiator-capability-text {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

/* How It Works Section */
.landing-how-it-works {
    background-color: white;
}

.landing-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .landing-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .landing-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

.landing-step {
    position: relative;
    background-color: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    border: 1px solid rgba(229, 231, 235, 0.6);
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-base) var(--ease-out);
}

.landing-step:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.landing-step-number {
    position: absolute;
    top: -1rem;
    left: -1rem;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    color: white;
    box-shadow: var(--shadow-lg);
}

.landing-step:nth-child(1) .landing-step-number {
    background: linear-gradient(135deg, var(--color-primary-500), #8b5cf6);
}

.landing-step:nth-child(2) .landing-step-number {
    background: linear-gradient(135deg, #10b981, #059669);
}

.landing-step:nth-child(3) .landing-step-number {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.landing-step:nth-child(4) .landing-step-number {
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

.landing-step:nth-child(5) .landing-step-number {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
}

.landing-step:nth-child(6) .landing-step-number {
    background: linear-gradient(135deg, #10b981, #059669);
}

.landing-step-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin: var(--spacing-4) 0 var(--spacing-3);
}

.landing-step-description {
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

.landing-step-description strong {
    color: var(--color-gray-900);
    font-weight: var(--font-weight-semibold);
}

.landing-step-description em {
    color: var(--color-primary-600);
    font-style: italic;
}

.landing-micro-copy {
    text-align: center;
    margin-top: var(--spacing-12);
}

.landing-micro-copy p {
    display: inline-block;
    background-color: var(--color-primary-50);
    color: var(--color-primary-600);
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
}

/* Benefits Section */
.landing-benefits {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.landing-benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .landing-benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .landing-benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.landing-benefit {
    background-color: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(243, 244, 246, 0.5);
    transition: all var(--duration-base) var(--ease-out);
}

.landing-benefit:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.landing-benefit-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2);
}

.landing-benefit:nth-child(1) .landing-benefit-icon {
    background: linear-gradient(135deg, var(--color-primary-500), #8b5cf6);
}

.landing-benefit:nth-child(2) .landing-benefit-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.landing-benefit:nth-child(3) .landing-benefit-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.landing-benefit:nth-child(4) .landing-benefit-icon {
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

.landing-benefit:nth-child(5) .landing-benefit-icon {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
}

.landing-benefit-icon svg {
    width: 1.75rem;
    height: 1.75rem;
    color: white;
}

.landing-benefit-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.landing-benefit-description {
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

/* Use Cases Section */
.landing-use-cases {
    background-color: white;
}

.landing-use-cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .landing-use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.landing-use-case {
    position: relative;
    overflow: hidden;
    background-color: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(243, 244, 246, 0.5);
    transition: all var(--duration-base) var(--ease-out);
}

.landing-use-case:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.landing-use-case::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 10rem;
    height: 10rem;
    border-radius: 50%;
    filter: blur(3rem);
    transition: transform 0.7s ease-out;
}

.landing-use-case:hover::before {
    transform: scale(1.5);
}

.landing-use-case:nth-child(1)::before {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.025) 100%);
}

.landing-use-case:nth-child(2)::before {
    background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.025) 100%);
}

.landing-use-case:nth-child(3)::before {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.05) 0%, rgba(217, 119, 6, 0.025) 100%);
}

.landing-use-case:nth-child(4)::before {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, rgba(236, 72, 153, 0.025) 100%);
}

.landing-use-case-content {
    position: relative;
    z-index: 10;
}

.landing-use-case-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2);
}

.landing-use-case:nth-child(1) .landing-use-case-icon {
    background: linear-gradient(135deg, var(--color-primary-500), #8b5cf6);
}

.landing-use-case:nth-child(2) .landing-use-case-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.landing-use-case:nth-child(3) .landing-use-case-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.landing-use-case:nth-child(4) .landing-use-case-icon {
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
}

.landing-use-case-icon svg {
    width: 1.75rem;
    height: 1.75rem;
    color: white;
}

.landing-use-case-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.landing-use-case-description {
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

/* Credibility Section */
.landing-credibility {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, rgba(99, 102, 241, 0.02) 100%);
}

.landing-credibility-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.landing-credibility-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    margin: var(--spacing-6) 0;
}

@media (min-width: 768px) {
    .landing-credibility-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

.landing-credibility-feature {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
}

.landing-credibility-feature-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-primary-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.landing-credibility-feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-primary-600);
}

.landing-credibility-feature-title {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
}

.landing-credibility-highlight {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

/* Final CTA Section */
.landing-final-cta {
    background-color: white;
}

.landing-final-cta-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.landing-final-cta-features {
    margin: var(--spacing-8) 0 var(--spacing-6);
}

.landing-final-cta-features p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
}

.landing-final-cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-8);
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
    color: white;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-xl);
    text-decoration: none;
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.3), 0 4px 6px -2px rgba(99, 102, 241, 0.05);
    transition: all var(--duration-base) var(--ease-out);
    transform: translateY(0);
    margin-bottom: var(--spacing-6);
}

.landing-final-cta-button:hover {
    background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
    box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.4), 0 8px 16px -4px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.landing-final-cta-button svg {
    transition: transform var(--duration-base) var(--ease-out);
}

.landing-final-cta-button:hover svg {
    transform: translateX(0.25rem);
}

.landing-final-cta-disclaimer {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-4);
}

.landing-final-cta-login {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.landing-final-cta-login a {
    color: var(--color-primary-600);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: color var(--duration-base) var(--ease-out);
}

.landing-final-cta-login a:hover {
    color: var(--color-primary-700);
}

/* Wave Separator */
.landing-wave-separator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: auto;
    z-index: 5;
}

.landing-wave-separator svg {
    width: 100%;
    height: auto;
    display: block;
}

/* Responsive Adjustments */
@media (max-width: 640px) {
    .landing-section {
        padding: var(--spacing-16) 0;
    }
    
    .landing-section-header {
        margin-bottom: var(--spacing-12);
    }
    
    .landing-hero {
        min-height: 80vh;
    }
    
    .landing-hero-headline {
        font-size: 2rem;
    }
    
    .landing-hero-subheadline {
        font-size: var(--font-size-base);
    }
    
    .landing-step,
    .landing-benefit,
    .landing-use-case {
        padding: var(--spacing-6);
    }
    
    .landing-step-number {
        width: 2.5rem;
        height: 2.5rem;
        font-size: var(--font-size-lg);
    }
    
    .landing-benefit-icon,
    .landing-use-case-icon {
        width: 3rem;
        height: 3rem;
    }
    
    .landing-benefit-icon svg,
    .landing-use-case-icon svg {
        width: 1.5rem;
        height: 1.5rem;
    }
}

/* Animation Enhancements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.landing-animate-on-scroll {
    animation: fadeInUp 0.6s ease-out;
}

/* Print Styles for Landing Page */
@media print {
    .landing-hero,
    .landing-section {
        padding: 2rem 0;
    }
    
    .landing-hero-ctas,
    .landing-final-cta-button {
        display: none;
    }
    
    .landing-step,
    .landing-benefit,
    .landing-use-case {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}


/* ========================================
   ADDITIONAL STANDARDIZED CLASSES
   ======================================== */

/* Section Spacing Standardization */
.mb-section-standard {
    margin-bottom: var(--spacing-12);
}

@media (min-width: 1024px) {
    .mb-section-standard {
        margin-bottom: var(--spacing-16);
    }
}

/* Hero Typography */
.heading-hero {
    font-family: var(--font-family-base);
    font-size: 2.5rem;
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.025em;
    color: var(--color-gray-900);
}

@media (min-width: 640px) {
    .heading-hero {
        font-size: 3rem;
    }
}

@media (min-width: 768px) {
    .heading-hero {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .heading-hero {
        font-size: 4rem;
    }
}

/* Section Title Standardization */
.section-title-standard {
    font-family: var(--font-family-base);
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.025em;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-4);
}

@media (min-width: 640px) {
    .section-title-standard {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .section-title-standard {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-6);
    }
}

/* Unified Card for Landing Pages */
.card-landing {
    position: relative;
    background-color: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(245, 245, 244, 0.5);
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out);
}

@media (min-width: 1024px) {
    .card-landing {
        padding: var(--spacing-8);
    }
}

.card-landing:hover {
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

/* Card with Gradient Accent */
.card-landing-gradient {
    position: relative;
    background-color: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(245, 245, 244, 0.5);
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out);
}

@media (min-width: 1024px) {
    .card-landing-gradient {
        padding: var(--spacing-8);
    }
}

.card-landing-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 10rem;
    height: 10rem;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.025) 100%);
    border-radius: 50%;
    filter: blur(3rem);
    transform: translate(50%, -50%);
    pointer-events: none;
    transition: transform var(--duration-slow) var(--ease-out);
}

.card-landing-gradient:hover {
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.card-landing-gradient:hover::before {
    transform: translate(50%, -50%) scale(1.5);
}

/* Process Step Card */
.card-process-step {
    position: relative;
    background-color: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-6);
    padding-top: var(--spacing-8); /* Extra top padding for the badge */
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(231, 229, 228, 0.6);
    overflow: visible; /* Allow badge to show outside */
    transition: all var(--duration-base) var(--ease-out);
}

@media (min-width: 1024px) {
    .card-process-step {
        padding: var(--spacing-8);
        padding-top: var(--spacing-10); /* Extra top padding for larger screens */
    }
}

.card-process-step:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

/* Step Number Badge */
.step-number-badge {
    position: absolute;
    top: -1rem;
    left: -1rem;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--color-primary-500), #7C3AED);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-xl);
    z-index: 10;
}

/* Icon Container for Cards */
.card-icon-container {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.card-icon-container svg {
    width: 1.75rem;
    height: 1.75rem;
}

/* Gradient variants for icon containers */
.card-icon-indigo {
    background: linear-gradient(135deg, var(--color-primary-500), #7C3AED);
    box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
}

.card-icon-emerald {
    background: linear-gradient(135deg, #10B981, #14B8A6);
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
}

.card-icon-amber {
    background: linear-gradient(135deg, #F59E0B, #F97316);
    box-shadow: 0 10px 15px -3px rgba(245, 158, 11, 0.3);
}

.card-icon-purple {
    background: linear-gradient(135deg, #A855F7, #EC4899);
    box-shadow: 0 10px 15px -3px rgba(168, 85, 247, 0.3);
}

.card-icon-blue {
    background: linear-gradient(135deg, #3B82F6, #06B6D4);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.3);
}

.card-icon-green {
    background: linear-gradient(135deg, #22C55E, #10B981);
    box-shadow: 0 10px 15px -3px rgba(34, 197, 94, 0.3);
}

/* Card Title */
.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

/* Card Description */
.card-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
}

/* Hover Border Color Variants */
.hover-border-indigo:hover {
    border-color: rgba(99, 102, 241, 0.2);
}

.hover-border-emerald:hover {
    border-color: rgba(16, 185, 129, 0.2);
}

.hover-border-amber:hover {
    border-color: rgba(245, 158, 11, 0.2);
}

.hover-border-purple:hover {
    border-color: rgba(168, 85, 247, 0.2);
}

.hover-border-blue:hover {
    border-color: rgba(59, 130, 246, 0.2);
}

.hover-border-green:hover {
    border-color: rgba(34, 197, 94, 0.2);
}