/* 
 * iLearnZed Modern UI System
 * Beautiful, cohesive design system for the entire platform
 */

/* ============================================
   COLOR SYSTEM - Zambian-inspired palette
   ============================================ */
:root {
    /* Primary Colors */
    --primary: #00A651;
    --primary-dark: #008F47;
    --primary-light: #E8F5E9;
    
    /* Secondary Colors */
    --secondary: #F57C00;
    --secondary-dark: #E65100;
    --secondary-light: #FFF3E0;
    
    /* Accent Colors */
    --accent-blue: #0288D1;
    --accent-yellow: #FFCA28;
    --accent-red: #E53935;
    --accent-purple: #8E24AA;
    --accent-teal: #26A69A;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --black: #000000;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00A651 0%, #0288D1 100%);
    --gradient-secondary: linear-gradient(135deg, #F57C00 0%, #FFCA28 100%);
    --gradient-dark: linear-gradient(135deg, #1F2937 0%, #111827 100%);
    --gradient-light: linear-gradient(135deg, #F9FAFB 0%, #FFFFFF 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-green: 0 10px 40px rgba(0, 166, 81, 0.2);
    --shadow-orange: 0 10px 40px rgba(245, 124, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Droid Sans Mono', monospace;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   MODERN CARD COMPONENTS
   ============================================ */

.modern-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.modern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.modern-card:hover::before {
    transform: scaleX(1);
}

.card-header-modern {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
    padding-bottom: var(--spacing);
    border-bottom: 2px solid var(--gray-100);
}

.card-title-modern {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    letter-spacing: -0.02em;
}

.card-content-modern {
    color: var(--gray-600);
    line-height: 1.6;
}

/* News Card Specific */
.news-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
    height: 100%;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.news-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image {
    transform: scale(1.05);
}

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

.news-card-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing);
    flex-wrap: wrap;
}

.news-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-summary {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* ============================================
   MODERN BADGES
   ============================================ */

.badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    transition: all var(--transition-fast);
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.badge-secondary {
    background: var(--secondary-light);
    color: var(--secondary-dark);
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

.badge-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.badge-info {
    background: #DBEAFE;
    color: #1E40AF;
}

.badge-pinned {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    color: #92400E;
    box-shadow: 0 2px 8px rgba(252, 211, 77, 0.3);
}

.badge-featured {
    background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
    color: #1E40AF;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

/* Hashtag Badges */
.hashtag-badge {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.hashtag-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    text-decoration: none;
    color: var(--white);
}

.hashtag-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
}

/* ============================================
   MODERN BUTTONS
   ============================================ */

.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-modern::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 0.6s, height 0.6s;
}

.btn-modern:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary-modern {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-green);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(0, 166, 81, 0.3);
    color: var(--white);
}

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

.btn-secondary-modern:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-green);
}

.btn-gradient-orange {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: var(--shadow-orange);
}

.btn-gradient-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(245, 124, 0, 0.3);
    color: var(--white);
}

/* Icon Buttons */
.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    transform: scale(1.1) rotate(5deg);
}

/* ============================================
   GLASSMORPHISM COMPONENTS
   ============================================ */

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.glass-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ============================================
   NEWS GRID LAYOUT
   ============================================ */

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* ============================================
   FEATURED NEWS BANNER
   ============================================ */

.featured-banner {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
}

.featured-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* ============================================
   MODERN FORMS
   ============================================ */

.form-modern {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

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

.form-label-modern {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.form-control-modern {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--white);
    color: var(--gray-900);
}

.form-control-modern:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.1);
    background: var(--white);
}

.form-control-modern::placeholder {
    color: var(--gray-400);
}

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

.hover-lift {
    transition: all var(--transition);
}

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

.hover-glow {
    transition: all var(--transition);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 166, 81, 0.4);
}

.hover-scale {
    transition: transform var(--transition);
}

.hover-scale:hover {
    transform: scale(1.02);
}

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

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
    border-radius: var(--radius);
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header-modern {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title-modern {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.section-subtitle-modern {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   STATS & METRICS
   ============================================ */

.stat-card-modern {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    text-align: center;
}

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

.stat-icon-modern {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing);
    font-size: 1.75rem;
    color: var(--white);
    box-shadow: var(--shadow-green);
}

.stat-number-modern {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.stat-label-modern {
    color: var(--gray-600);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ============================================
   HASHTAG CLOUD
   ============================================ */

.hashtag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing);
}

.hashtag-item {
    background: var(--white);
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.hashtag-item:hover {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: var(--shadow-green);
    text-decoration: none;
}

/* ============================================
   DISCUSSION FORUM MODERN
   ============================================ */

.post-card-modern {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition);
}

.post-card-modern:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.post-author {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    margin-bottom: var(--spacing);
}

.post-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.post-author-info {
    flex: 1;
}

.post-author-name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 1rem;
    margin-bottom: 0.125rem;
}

.post-meta {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.post-content {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: var(--spacing);
}

.post-actions {
    display: flex;
    gap: var(--spacing);
    padding-top: var(--spacing);
    border-top: 1px solid var(--gray-100);
}

.post-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.post-action-btn:hover {
    background: var(--gray-200);
    color: var(--gray-900);
    transform: translateY(-1px);
}

.post-action-btn.active {
    background: var(--primary-light);
    color: var(--primary);
}

/* ============================================
   SIDEBAR WIDGETS
   ============================================ */

.widget-modern {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--gray-200);
}

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--gray-100);
}

.widget-title {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 1.125rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.widget-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.widget-link:hover {
    color: var(--primary-dark);
    text-decoration: none;
    transform: translateX(4px);
}

/* ============================================
   SEARCH & FILTER BAR
   ============================================ */

.search-bar-modern {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--gray-200);
}

.search-input-modern {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--gray-50);
}

.search-input-modern:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.1);
    background: var(--white);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 1.125rem;
}

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

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

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

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

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

.fade-in-animation {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-up-animation {
    animation: slideInUp 0.6s ease-out forwards;
}

.slide-right-animation {
    animation: slideInRight 0.6s ease-out forwards;
}

.scale-in-animation {
    animation: scaleIn 0.6s ease-out forwards;
}

/* Staggered animations */
.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
   PAGINATION MODERN
   ============================================ */

.pagination-modern {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-2xl);
}

.pagination-modern .page-link {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination-modern .page-link:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.pagination-modern .page-link.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

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

.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-secondary {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

/* Spacing Utilities */
.mt-modern { margin-top: var(--spacing-2xl); }
.mb-modern { margin-bottom: var(--spacing-2xl); }
.py-modern { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

/* ============================================
   RESPONSIVE CONTAINERS
   ============================================ */

.container-modern {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container-modern,
    .container-wide,
    .container-narrow {
        padding: 0 var(--spacing);
    }
}

/* ============================================
   ICON DECORATIONS
   ============================================ */

.icon-wrapper {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-green);
    transition: all var(--transition);
}

.icon-wrapper:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(0, 166, 81, 0.3);
}

/* ============================================
   PERSONALIZATION COMPONENTS
   ============================================ */

.personalization-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.personalization-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

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

.streak-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #FFCA28 0%, #F57C00 100%);
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(245, 124, 0, 0.3);
    animation: pulse 2s infinite;
}

.performance-meter {
    width: 100%;
    height: 12px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.performance-meter-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.6s ease-out;
    position: relative;
}

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

.recommendation-item {
    padding: var(--spacing);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
    transition: all var(--transition);
    margin-bottom: var(--spacing-sm);
}

.recommendation-item:hover {
    background: var(--primary-light);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.learning-insight {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    padding: var(--spacing);
    background: var(--white);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-sm);
}

.learning-insight-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.learning-insight-icon.strong {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: var(--white);
}

.learning-insight-icon.weak {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: var(--white);
}

.learning-insight-icon.neutral {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: var(--white);
}

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

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

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */

.alert-modern {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    margin-bottom: var(--spacing);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing);
    animation: slideInRight 0.4s ease-out;
}

.alert-modern-success {
    background: #D1FAE5;
    border-left-color: var(--success);
    color: #065F46;
}

.alert-modern-warning {
    background: #FEF3C7;
    border-left-color: var(--warning);
    color: #92400E;
}

.alert-modern-danger {
    background: #FEE2E2;
    border-left-color: var(--danger);
    color: #991B1B;
}

.alert-modern-info {
    background: #DBEAFE;
    border-left-color: var(--info);
    color: #1E40AF;
}

/* ============================================
   TABS & NAVIGATION
   ============================================ */

.tabs-modern {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: var(--spacing-xl);
}

.tab-item {
    padding: var(--spacing) var(--spacing-lg);
    color: var(--gray-600);
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
}

.tab-item:hover {
    color: var(--primary);
    text-decoration: none;
}

.tab-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ============================================
   SMOOTH SCROLLING & PAGE TRANSITIONS
   ============================================ */

html {
    scroll-behavior: smooth;
}

.page-enter {
    animation: fadeIn 0.5s ease-out;
}

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

@media print {
    .navbar, footer, .btn, button {
        display: none !important;
    }
    
    .main-content {
        max-width: 100%;
    }
    
    * {
        box-shadow: none !important;
        text-shadow: none !important;
    }
}