/**
 * Soccer Analytics Textbook - Main Stylesheet
 * Color scheme: Deep Green, White, Gold
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
    /* Brand Colors */
    --sa-green-primary: #1B5E20;
    --sa-green-light: #2E7D32;
    --sa-green-dark: #0D3C12;
    --sa-white: #FFFFFF;
    --sa-gold: #FFD700;
    --sa-gold-dark: #C9A000;

    /* Semantic Colors */
    --sa-text: #212529;
    --sa-text-muted: #6C757D;
    --sa-bg: #FFFFFF;
    --sa-bg-alt: #F8F9FA;
    --sa-border: #DEE2E6;
    --sa-code-bg: #F5F5F5;

    /* Difficulty Colors */
    --sa-easy: #4CAF50;
    --sa-medium: #FF9800;
    --sa-hard: #F44336;

    /* Shadows */
    --sa-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --sa-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --sa-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --sa-transition: all 0.3s ease;
}

/* Dark Mode Variables */
[data-bs-theme="dark"] {
    --sa-text: #E0E0E0;
    --sa-text-muted: #9E9E9E;
    --sa-bg: #1A1A2E;
    --sa-bg-alt: #16213E;
    --sa-border: #374151;
    --sa-code-bg: #1E1E1E;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--sa-text);
    background-color: var(--sa-bg);
    line-height: 1.6;
}

a {
    color: var(--sa-green-primary);
    text-decoration: none;
    transition: var(--sa-transition);
}

a:hover {
    color: var(--sa-green-light);
    text-decoration: underline;
}

[data-bs-theme="dark"] a {
    color: var(--sa-gold);
}

[data-bs-theme="dark"] a:hover {
    color: var(--sa-gold-dark);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
    background-color: var(--sa-green-primary);
    box-shadow: var(--sa-shadow);
    padding: 0.75rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--sa-white) !important;
    font-weight: 600;
    font-size: 1.1rem;
}

.site-icon {
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    padding: 0.5rem 1rem !important;
    font-weight: 500;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--sa-white) !important;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.dropdown-menu-chapters {
    max-height: 70vh;
    overflow-y: auto;
    min-width: 300px;
}

.dropdown-header {
    font-weight: 600;
    color: var(--sa-green-primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Language Toggle in Nav */
.lang-toggle-global .btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-color: rgba(255, 255, 255, 0.5);
    color: rgba(255, 255, 255, 0.85);
}

.lang-toggle-global .btn.active {
    background-color: var(--sa-gold);
    border-color: var(--sa-gold);
    color: var(--sa-green-dark);
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    color: var(--sa-white);
    font-size: 1.1rem;
    padding: 0.25rem;
}

.dark-mode-toggle:hover {
    color: var(--sa-gold);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
    background: linear-gradient(135deg, var(--sa-green-primary) 0%, var(--sa-green-dark) 100%);
    color: var(--sa-white);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='40' stroke='rgba(255,255,255,0.03)' stroke-width='1' fill='none'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 215, 0, 0.2);
    color: var(--sa-gold);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sa-gold);
}

.hero-stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Hero Code Block */
.hero-code {
    background-color: #1E1E1E;
    border-radius: 8px;
    box-shadow: var(--sa-shadow-lg);
    overflow: hidden;
}

.hero-code-header {
    background-color: #2D2D2D;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.hero-code-dot.red { background-color: #FF5F56; }
.hero-code-dot.yellow { background-color: #FFBD2E; }
.hero-code-dot.green { background-color: #27C93F; }

.hero-code-filename {
    margin-left: auto;
    color: #9E9E9E;
    font-size: 0.875rem;
}

.hero-code pre {
    margin: 0;
    padding: 1.5rem;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn-primary {
    background-color: var(--sa-green-primary);
    border-color: var(--sa-green-primary);
}

.btn-primary:hover {
    background-color: var(--sa-green-light);
    border-color: var(--sa-green-light);
}

.btn-gold {
    background-color: var(--sa-gold);
    border-color: var(--sa-gold);
    color: var(--sa-green-dark);
    font-weight: 600;
}

.btn-gold:hover {
    background-color: var(--sa-gold-dark);
    border-color: var(--sa-gold-dark);
    color: var(--sa-green-dark);
}

.btn-outline-light:hover {
    background-color: var(--sa-gold);
    border-color: var(--sa-gold);
    color: var(--sa-green-dark);
}

/* ==========================================================================
   Feature Cards
   ========================================================================== */

.feature-card {
    background-color: var(--sa-bg);
    border: 1px solid var(--sa-border);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: var(--sa-transition);
}

.feature-card:hover {
    border-color: var(--sa-green-primary);
    box-shadow: var(--sa-shadow);
    transform: translateY(-2px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(27, 94, 32, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--sa-green-primary);
    margin-bottom: 1rem;
}

[data-bs-theme="dark"] .feature-icon {
    background-color: rgba(255, 215, 0, 0.1);
    color: var(--sa-gold);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--sa-text);
}

.feature-description {
    color: var(--sa-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   Learning Journey
   ========================================================================== */

.journey-section {
    background-color: var(--sa-bg-alt);
    padding: 4rem 0;
}

.journey-step {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 2rem;
}

.journey-step::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 40px;
    bottom: -2rem;
    width: 2px;
    background-color: var(--sa-border);
}

.journey-step:last-child::before {
    display: none;
}

.journey-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 32px;
    height: 32px;
    background-color: var(--sa-green-primary);
    color: var(--sa-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.journey-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.journey-chapters {
    color: var(--sa-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Audience Cards
   ========================================================================== */

.audience-card {
    background-color: var(--sa-bg);
    border: 1px solid var(--sa-border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    height: 100%;
    transition: var(--sa-transition);
}

.audience-card:hover {
    border-color: var(--sa-gold);
    box-shadow: var(--sa-shadow);
}

.audience-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.audience-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.audience-description {
    font-size: 0.875rem;
    color: var(--sa-text-muted);
}

/* ==========================================================================
   Code Blocks
   ========================================================================== */

.code-block {
    background-color: var(--sa-code-bg);
    border-radius: 8px;
    overflow: hidden;
    margin: 1.5rem 0;
    box-shadow: var(--sa-shadow-sm);
}

.code-header {
    background-color: #2D2D2D;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.filename {
    color: #9E9E9E;
    font-family: monospace;
    font-size: 0.875rem;
}

.code-tabs {
    display: flex;
    gap: 0.25rem;
    margin-left: auto;
}

.lang-tab {
    background: none;
    border: 1px solid #555;
    color: #9E9E9E;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--sa-transition);
}

.lang-tab:hover {
    color: #E0E0E0;
    border-color: #777;
}

.lang-tab.active {
    background-color: var(--sa-gold);
    border-color: var(--sa-gold);
    color: var(--sa-green-dark);
}

.copy-btn {
    background: none;
    border: none;
    color: #9E9E9E;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1rem;
    transition: var(--sa-transition);
}

.copy-btn:hover {
    color: var(--sa-gold);
}

.copy-btn.copied {
    color: var(--sa-easy);
}

.code-content .tab-pane {
    display: none;
}

.code-content .tab-pane.active {
    display: block;
}

.code-content pre {
    margin: 0;
    padding: 1rem;
    background-color: #1E1E1E !important;
    overflow-x: auto;
}

.code-content code {
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

.code-output {
    border-top: 1px solid #333;
}

.output-header {
    background-color: #252525;
    padding: 0.5rem 1rem;
    color: #9E9E9E;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.code-output pre {
    margin: 0;
    padding: 1rem;
    background-color: #1A1A1A !important;
    color: #A0A0A0;
}

/* ==========================================================================
   Chapter Page
   ========================================================================== */

.chapter-header {
    background-color: var(--sa-bg-alt);
    padding: 2rem 0;
    border-bottom: 1px solid var(--sa-border);
}

.chapter-breadcrumb {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.chapter-breadcrumb a {
    color: var(--sa-text-muted);
}

.chapter-number {
    color: var(--sa-text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.chapter-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.chapter-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    color: var(--sa-text-muted);
    font-size: 0.875rem;
}

.chapter-meta i {
    margin-right: 0.25rem;
}

.chapter-content {
    padding: 2rem 0;
}

.chapter-sidebar {
    position: sticky;
    top: 80px;
}

.toc-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sa-text-muted);
    margin-bottom: 1rem;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 0.5rem;
}

.toc-list a {
    font-size: 0.875rem;
    color: var(--sa-text-muted);
    display: block;
    padding: 0.25rem 0;
    padding-left: 1rem;
    border-left: 2px solid var(--sa-border);
}

.toc-list a:hover,
.toc-list a.active {
    color: var(--sa-green-primary);
    border-left-color: var(--sa-green-primary);
    text-decoration: none;
}

.chapter-nav {
    display: flex;
    justify-content: space-between;
    padding: 2rem 0;
    border-top: 1px solid var(--sa-border);
    margin-top: 2rem;
}

.chapter-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background-color: var(--sa-bg-alt);
    border-radius: 8px;
    color: var(--sa-text);
    transition: var(--sa-transition);
}

.chapter-nav-link:hover {
    background-color: var(--sa-green-primary);
    color: var(--sa-white);
    text-decoration: none;
}

.chapter-nav-label {
    font-size: 0.75rem;
    color: var(--sa-text-muted);
}

.chapter-nav-link:hover .chapter-nav-label {
    color: rgba(255, 255, 255, 0.7);
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */

.chapters-sidebar {
    background-color: var(--sa-bg-alt);
    padding: 1.5rem;
    border-radius: 8px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.sidebar-part {
    margin-bottom: 1.5rem;
}

.sidebar-part-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sa-green-primary);
    margin-bottom: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-part-title i {
    transition: transform 0.2s;
}

.sidebar-part.collapsed .sidebar-part-title i {
    transform: rotate(-90deg);
}

.sidebar-part.collapsed .sidebar-chapters {
    display: none;
}

.sidebar-chapters {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-chapter {
    margin-bottom: 0.25rem;
}

.sidebar-chapter a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--sa-text-muted);
    font-size: 0.875rem;
    border-radius: 4px;
    transition: var(--sa-transition);
}

.sidebar-chapter a:hover {
    background-color: var(--sa-bg);
    color: var(--sa-text);
    text-decoration: none;
}

.sidebar-chapter a.active {
    background-color: var(--sa-green-primary);
    color: var(--sa-white);
}

.sidebar-chapter .chapter-num {
    font-weight: 600;
    min-width: 1.5rem;
}

.sidebar-chapter .progress-check {
    margin-left: auto;
    color: var(--sa-easy);
}

/* ==========================================================================
   Glossary Page
   ========================================================================== */

.glossary-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 1rem;
    background-color: var(--sa-bg-alt);
    border-radius: 8px;
    position: sticky;
    top: 70px;
    z-index: 10;
}

.glossary-nav a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--sa-bg);
    border: 1px solid var(--sa-border);
    border-radius: 4px;
    font-weight: 600;
    color: var(--sa-text);
}

.glossary-nav a:hover,
.glossary-nav a.active {
    background-color: var(--sa-green-primary);
    border-color: var(--sa-green-primary);
    color: var(--sa-white);
    text-decoration: none;
}

.glossary-nav a.disabled {
    opacity: 0.3;
    pointer-events: none;
}

.glossary-letter {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.glossary-letter-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sa-green-primary);
    border-bottom: 2px solid var(--sa-green-primary);
    padding-bottom: 0.5rem;
}

.glossary-term {
    padding: 1rem;
    background-color: var(--sa-bg);
    border: 1px solid var(--sa-border);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.glossary-term-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.glossary-term-definition {
    color: var(--sa-text-muted);
}

.glossary-term-category {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background-color: rgba(27, 94, 32, 0.1);
    color: var(--sa-green-primary);
    border-radius: 4px;
    margin-top: 0.5rem;
}

/* ==========================================================================
   Exercises Page
   ========================================================================== */

.exercise-card {
    background-color: var(--sa-bg);
    border: 1px solid var(--sa-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--sa-transition);
}

.exercise-card:hover {
    box-shadow: var(--sa-shadow);
}

.exercise-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.exercise-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.exercise-chapter {
    font-size: 0.875rem;
    color: var(--sa-text-muted);
}

.exercise-description {
    margin-bottom: 1rem;
}

.exercise-hints {
    background-color: var(--sa-bg-alt);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.hint-toggle {
    cursor: pointer;
    color: var(--sa-green-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hint-content {
    display: none;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--sa-border);
}

.hint-content.show {
    display: block;
}

.exercise-solution {
    border-top: 1px solid var(--sa-border);
    padding-top: 1rem;
}

.solution-toggle {
    cursor: pointer;
    color: var(--sa-green-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.solution-content {
    display: none;
}

.solution-content.show {
    display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background-color: var(--sa-bg-alt);
    border-top: 1px solid var(--sa-border);
}

.footer-partners {
    padding-top: 2rem;
}

.partner-link {
    color: var(--sa-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid var(--sa-border);
    border-radius: 4px;
    transition: var(--sa-transition);
}

.partner-link:hover {
    background-color: var(--sa-bg);
    border-color: var(--sa-green-primary);
    color: var(--sa-green-primary);
    text-decoration: none;
}

.site-footer h5,
.site-footer h6 {
    color: var(--sa-text);
}

.site-footer ul a {
    color: var(--sa-text-muted);
}

.site-footer ul a:hover {
    color: var(--sa-green-primary);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.03);
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-gold {
    color: var(--sa-gold) !important;
}

.bg-green-primary {
    background-color: var(--sa-green-primary) !important;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--sa-text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .chapter-sidebar {
        display: none;
    }

    .chapters-sidebar {
        max-height: none;
    }
}

@media (max-width: 767.98px) {
    .hero-section {
        padding: 2.5rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-stats {
        gap: 1rem;
    }

    .hero-stat-value {
        font-size: 1.25rem;
    }

    .lang-toggle-global {
        display: none;
    }

    .chapter-nav {
        flex-direction: column;
        gap: 1rem;
    }

    .chapter-nav-link {
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */

.progress-bar-container {
    background-color: var(--sa-bg-alt);
    padding: 1rem 0;
    border-bottom: 1px solid var(--sa-border);
}

.progress-text {
    font-size: 0.875rem;
    color: var(--sa-text-muted);
    margin-bottom: 0.5rem;
}

.progress {
    height: 8px;
    background-color: var(--sa-border);
    border-radius: 4px;
}

.progress-bar {
    background-color: var(--sa-green-primary);
    border-radius: 4px;
}

/* ==========================================================================
   Lazy Loading for Code Blocks (Mobile)
   ========================================================================== */

@media (max-width: 768px) {
    .code-block.lazy-load {
        min-height: 200px;
        background-color: #1E1E1E;
        position: relative;
    }

    .code-block.lazy-load::before {
        content: 'Loading code...';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: #666;
        font-size: 0.875rem;
    }

    .code-block.lazy-load .code-content {
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .code-block.lazy-load.loaded::before {
        display: none;
    }

    .code-block.lazy-load.loaded .code-content {
        opacity: 1;
    }
}

/* ==========================================================================
   Chapter Pagination
   ========================================================================== */

.chapter-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 0;
    margin: 2rem 0;
    border-top: 1px solid var(--sa-border);
    border-bottom: 1px solid var(--sa-border);
}

.chapter-pagination .page-link {
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    background-color: var(--sa-bg-alt);
    border: 1px solid var(--sa-border);
    color: var(--sa-text);
    text-decoration: none;
    transition: var(--sa-transition);
}

.chapter-pagination .page-link:hover {
    background-color: var(--sa-green-primary);
    border-color: var(--sa-green-primary);
    color: var(--sa-white);
}

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

.chapter-pagination .page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
}