/* ===================================== */
/* Help Section - Modern Styling         */
/* ===================================== */

/* CSS Custom Properties for Help Section */
:root {
    /* Help Section Colors */
    --help-bg: #1a1f2e;
    --help-card-bg: #232937;
    --help-card-hover: #2a3342;
    --help-text-primary: #e2e8f0;
    --help-text-secondary: #94a3b8;
    --help-accent: #667eea;
    --help-accent-light: #818cf8;
    --help-border: rgba(102, 126, 234, 0.2);
    --help-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --help-shadow-hover: 0 8px 30px rgba(102, 126, 234, 0.2);
    
    /* Help Section Spacing */
    --help-section-gap: 3rem;
    --help-card-padding: 2rem;
    --help-item-gap: 1.5rem;
    
    /* Help Section Typography */
    --help-heading-size: 2rem;
    --help-subheading-size: 1.5rem;
    --help-text-size: 1.0625rem;
    --help-small-size: 0.9375rem;
}

/* Theme support */

/* Help Content Wrapper */
.help-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Help Section Styling */
.help-section {
    margin-bottom: var(--help-section-gap);
}

.help-section:last-child {
    margin-bottom: 0;
}

/* Help Headings */
.help-section h4,
.help-section h3 {
    color: var(--help-text-primary);
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--help-subheading-size);
    letter-spacing: -0.025em;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.help-section h3 {
    font-size: var(--help-heading-size);
    margin-bottom: 2rem;
}

/* Help Section Paragraphs */
.help-section > p {
    color: var(--help-text-secondary);
    line-height: 1.7;
    font-size: var(--help-text-size);
    margin-bottom: 1.5rem;
    max-width: 80ch;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Help Grid Layout */
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Help Item Cards */
.help-item {
    background: var(--help-card-bg);
    border-radius: 12px;
    padding: 1.75rem;
    border: 1px solid var(--help-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.help-item:hover {
    background: var(--help-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--help-shadow-hover);
    border-color: var(--help-accent);
}

/* Help Icons */
.help-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--help-accent), var(--help-accent-light));
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Help Text Content */
.help-text {
    flex: 1;
}

.help-text strong {
    display: block;
    color: var(--help-text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.015em;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.help-text p {
    color: var(--help-text-secondary);
    line-height: 1.6;
    font-size: var(--help-small-size);
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Quick Start Guide */
.help-steps {
    background: var(--help-card-bg);
    border-radius: 12px;
    padding: 2rem;
    counter-reset: step-counter;
    list-style: none;
    margin: 0;
    border: 1px solid var(--help-border);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.help-steps li {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.5rem;
    color: var(--help-text-secondary);
    line-height: 1.7;
    counter-increment: step-counter;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.help-steps li:last-child {
    margin-bottom: 0;
}

.help-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--help-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.help-steps li strong {
    color: var(--help-text-primary);
    font-weight: 600;
}

/* Visualization Guide */
.visualization-guide {
    background: var(--help-card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid var(--help-border);
}

.viz-guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Visualization Cards */
.viz-guide-card {
    background: var(--help-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--help-border);
    transition: all 0.3s ease;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.viz-guide-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--help-accent);
}

.viz-guide-card header {
    margin-bottom: 1rem;
}

.viz-guide-card h4 {
    color: var(--help-text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.viz-guide-card p {
    color: var(--help-text-secondary);
    line-height: 1.6;
    font-size: var(--help-small-size);
    margin-bottom: 0.75rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.viz-guide-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.viz-guide-card ul li {
    color: var(--help-text-secondary);
    font-size: var(--help-small-size);
    line-height: 1.6;
    padding-left: 1.25rem;
    position: relative;
    margin-bottom: 0.5rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.viz-guide-card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--help-accent);
    font-weight: bold;
}

/* Viz Tips */
.viz-tip {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(129, 140, 248, 0.1));
    border-left: 3px solid var(--help-accent);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    font-size: var(--help-small-size);
    color: white;
    font-weight: bold;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Color Legend */
.viz-color-legend {
    background: var(--help-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--help-border);
}

.viz-color-legend h4 {
    color: var(--help-text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.color-legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}

.color-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.color-box {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.color-box.best {
    background: #10b981;
}

.color-box.second {
    background: #fbbf24;
}

.color-box.worst {
    background: #ef4444;
}

.color-box.middle {
    background: #e5e7eb;
}

.color-item span:not(.color-box) {
    color: var(--help-text-secondary);
    font-size: var(--help-small-size);
}

/* Help Features List */
.help-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-features li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--help-text-secondary);
    line-height: 1.7;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.help-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0.125rem;
    color: var(--help-accent);
    font-weight: bold;
    font-size: 1.125rem;
}

.help-features li strong {
    color: var(--help-text-primary);
    font-weight: 600;
}

/* Nested Lists */
.help-features ul {
    margin-top: 0.5rem;
    margin-bottom: 0;
    padding-left: 1rem;
}

.help-features ul li {
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.help-features ul li::before {
    content: "→";
    font-size: 0.875rem;
}

/* Disclaimers Section */
.help-disclaimers .disclaimer-list {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
}


.help-footer p {
    color: white;
    font-size: 1.125rem;
    font-weight: bold;
    margin-bottom: 1rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.help-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    columns: 2;
    column-gap: 2rem;
}

.help-footer ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--help-text-secondary);
    font-size: var(--help-small-size);
    line-height: 1.6;
    break-inside: avoid;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.help-footer ul li::before {
    content: "💡";
    position: absolute;
    left: 0;
    top: 0.125rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --help-heading-size: 1.5rem;
        --help-subheading-size: 1.25rem;
        --help-card-padding: 1.5rem;
        --help-section-gap: 2rem;
    }
    
    .help-content {
        padding: 1.5rem;
    }
    
    .help-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .help-icon {
        width: 3rem;
        height: 3rem;
        font-size: 2rem;
    }
    
    .viz-guide-grid {
        grid-template-columns: 1fr;
    }
    
    .help-footer ul {
        columns: 1;
    }
    
    .help-steps {
        padding: 1.5rem;
    }
    
    .visualization-guide {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .help-content {
        padding: 1rem;
    }
    
    .help-item {
        padding: 1.25rem;
    }
    
    .help-section h4,
    .help-section h3 {
        font-size: 1.125rem;
    }
    
    .help-steps li {
        padding-left: 2.5rem;
    }
}

/* Technical Details Enhancement */
.help-technical .technical-list {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(129, 140, 248, 0.05));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
}


.help-section:first-child h4 {
    font-size: 2rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.help-section:first-child p {
    max-width: 60ch;
    margin: 0 auto;
    font-size: 1.125rem;
}

/* Smooth Scrolling for Help Content */
.help-content {
    scroll-behavior: smooth;
}

/* Enhanced Focus States */
.help-item:focus-within,
.viz-guide-card:focus-within {
    outline: 2px solid var(--help-accent);
    outline-offset: 2px;
}

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

/* Stagger Animation for Grid Items */
.help-grid .help-item {
    animation: fadeIn 0.4s ease-out backwards;
}

.help-grid .help-item:nth-child(1) { animation-delay: 0.1s; }
.help-grid .help-item:nth-child(2) { animation-delay: 0.2s; }
.help-grid .help-item:nth-child(3) { animation-delay: 0.3s; }
.help-grid .help-item:nth-child(4) { animation-delay: 0.4s; }
.help-grid .help-item:nth-child(5) { animation-delay: 0.5s; }
.help-grid .help-item:nth-child(6) { animation-delay: 0.6s; }

/* Print Styles */
@media print {
    .help-panel {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .help-item,
    .viz-guide-card {
        break-inside: avoid;
    }
}