/* ============================================
   EXAMPLES PAGE - IMPROVED STRUCTURE
   Clear, Manageable Before/After Comparison
   ============================================ */

/* Summary Cards at Top */
.examples-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.summary-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all 0.3s ease;
}

.summary-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.summary-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.summary-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.summary-card h3 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin: 0;
}

.summary-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

.stat-from,
.stat-to {
    flex: 1;
    text-align: center;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-from .stat-value {
    color: var(--warning-orange);
}

.stat-to .stat-value {
    color: var(--success-green);
}

.stat-arrow {
    font-size: 1.5rem;
    color: var(--gray-400);
}

.summary-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.meta-badge {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-sm);
}

/* Collapsible Example Sections */
.example-section {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    overflow: hidden;
}

.example-section-header {
    padding: 1.5rem 2rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.3s ease;
}

.example-section-header:hover {
    background: var(--gray-100);
}

.example-section-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.example-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.example-section-title h2 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--gray-900);
}

.toggle-icon {
    font-size: 1.25rem;
    color: var(--gray-600);
    transition: transform 0.3s ease;
}

.example-section.expanded .toggle-icon {
    transform: rotate(180deg);
}

.example-section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.example-section.expanded .example-section-content {
    max-height: 10000px;
}

.example-section-inner {
    padding: 2rem;
}

/* Quick Info Bar */
.quick-info-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.quick-info-item {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.quick-info-label {
    font-size: 0.8125rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.quick-info-value {
    font-size: 1rem;
    color: var(--gray-900);
    font-weight: 500;
}

/* Improved Grade Comparison */
.grade-comparison-v2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.grade-card {
    flex: 1;
    max-width: 250px;
    text-align: center;
    padding: 1.75rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.grade-card.before {
    border: 2px solid var(--warning-orange);
}

.grade-card.after {
    border: 2px solid var(--success-green);
}

.grade-card-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.grade-card-value {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.grade-card.before .grade-card-value {
    color: var(--warning-orange);
}

.grade-card.after .grade-card-value {
    color: var(--success-green);
}

.grade-card-class {
    font-size: 1rem;
    color: var(--gray-700);
    font-weight: 500;
}

.grade-improvement {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.grade-arrow-icon {
    font-size: 2.5rem;
    color: var(--success-green);
}

.grade-improvement-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success-green);
}

.grade-improvement-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Tabbed Comparison View */
.comparison-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--gray-200);
}

.comparison-tab {
    padding: 0.875rem 1.75rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-600);
    transition: all 0.3s ease;
}

.comparison-tab:hover {
    color: var(--primary-blue);
}

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

.comparison-tab-content {
    display: none;
}

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

/* Side-by-Side Comparison (Improved) */
.side-by-side-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.comparison-panel {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-panel.before {
    border-color: var(--warning-orange);
}

.comparison-panel.after {
    border-color: var(--success-green);
}

.comparison-panel-header {
    padding: 1rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.comparison-panel.before .comparison-panel-header {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-orange);
}

.comparison-panel.after .comparison-panel-header {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-green);
}

.comparison-panel-body {
    padding: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.75;
}

/* Key Changes Summary */
.key-changes-summary {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border: 2px solid var(--primary-blue-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-top: 2rem;
}

.key-changes-summary h3 {
    color: var(--primary-blue-dark);
    font-size: 1.375rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.changes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.change-item {
    background: white;
    padding: 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.change-item-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.change-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-blue);
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.change-item h4 {
    font-size: 1rem;
    color: var(--gray-900);
    margin: 0;
}

.change-before,
.change-after {
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    margin-top: 0.5rem;
}

.change-before {
    background: rgba(245, 158, 11, 0.1);
    color: var(--gray-700);
    border-left: 3px solid var(--warning-orange);
}

.change-after {
    background: rgba(16, 185, 129, 0.1);
    color: var(--gray-700);
    border-left: 3px solid var(--success-green);
}

/* Mobile Responsive - Maximum Screen Usage */
@media (max-width: 768px) {
    /* Use more screen width */
    .container {
        padding: 0 0.875rem;
        max-width: 100%;
    }
    
    .examples-summary {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .side-by-side-comparison {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .grade-comparison-v2 {
        flex-direction: column;
        gap: 1.25rem;
        padding: 1.5rem 1rem;
    }
    
    .grade-card {
        max-width: 100%;
        width: 100%;
        padding: 1.5rem 1.25rem;
    }
    
    .quick-info-bar {
        grid-template-columns: 1fr;
        gap: 0.875rem;
        padding: 1.25rem 1rem;
    }
    
    .comparison-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0 0.875rem;
    }
    
    .comparison-tab {
        white-space: nowrap;
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    .changes-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .example-section-header {
        padding: 1rem 0.875rem;
    }
    
    .example-section-inner {
        padding: 1.25rem 0.875rem;
    }
    
    .summary-card {
        padding: 1.5rem 1.25rem;
    }
    
    .key-changes-summary {
        padding: 1.5rem 1.25rem;
    }
    
    .comparison-panel-body {
        padding: 1.25rem 1rem;
        font-size: 0.8125rem;
    }
}