/* ===================================
   CSS Variables - Modernized Color Palette
   =================================== */
:root {
    /* Primary Colors - Modernized */
    --color-primary-blue: #1a5490;
    --color-primary-blue-dark: #0d3a66;
    --color-primary-blue-light: #2874b8;

    /* Gold/Yellow - Warmer, accessible */
    --color-gold: #f4b223;
    --color-gold-dark: #d89a1a;
    --color-gold-light: #f7c556;

    /* Accent Colors */
    --color-red: #e63946;
    --color-white: #ffffff;
    --color-black: #1d1d1f;
    --color-gray-light: #f5f5f7;
    --color-gray-medium: #86868b;
    --color-gray-dark: #424245;

    /* Transit Label (from original) */
    --color-transit: #808080;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Typography */
    --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-vintage: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Sidebar Width */
    --sidebar-width: 280px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-black);
    background-color: var(--color-gray-light);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: var(--color-primary-blue);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-blue-light);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Waggon images in text-center blocks should display inline with their natural dimensions */
.text-center img[width][height] {
    display: inline-block;
    margin: 0 0.25rem;
    vertical-align: middle;
}

/* Other inline images with explicit dimensions */
p img[width][height],
.content-area img[width][height] {
    display: inline-block;
    margin-left: 0;
    margin-right: 0.5rem;
    vertical-align: middle;
}

ul {
    list-style: none;
}

/* ===================================
   Mobile Menu Toggle Button
   =================================== */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    z-index: 1001;
    background-color: var(--color-primary-blue);
    border: none;
    border-radius: 8px;
    width: 48px;
    height: 48px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 0;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: var(--color-primary-blue-light);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ===================================
   Sidebar Navigation
   =================================== */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--color-primary-blue-dark) 0%, var(--color-primary-blue) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-sm);
    overflow-y: auto;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-medium);
}

/* Sidebar Header */
.sidebar-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.logo {
    margin: 0 auto var(--spacing-sm);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.update-info {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
}

.update-link {
    color: var(--color-gold-light);
    text-decoration: none;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.update-link:hover {
    color: var(--color-gold);
}

/* Navigation Sections */
.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-heading {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-vintage);
}

.nav-icon {
    width: 21px;
    height: 23px;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
}

.nav-list {
    padding-left: var(--spacing-md);
}

.nav-list li {
    margin-bottom: var(--spacing-xs);
}

.nav-list a {
    color: var(--color-white);
    font-size: 0.875rem;
    display: block;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.nav-list a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-gold-light);
    padding-left: calc(var(--spacing-xs) + 4px);
}

/* Badges */
.badge-new {
    display: inline-block;
    background-color: var(--color-red);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: var(--spacing-xs);
    text-transform: uppercase;
}

.transit-label {
    color: var(--color-transit);
    font-style: italic;
}

.external {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Sister Sites */
.sister-sites {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.sister-sites h3 {
    color: var(--color-primary-blue);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-family: var(--font-vintage);
}

.sister-site-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: 6px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    text-align: center;
}

.sister-site-card.hamburg {
    background-color: rgba(0, 0, 64, 0.6);
}

.sister-site-card.athens {
    background-color: rgba(0, 98, 98, 0.6);
}

.sister-site-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sister-site-img {
    width: 77px;
    height: 73px;
    margin-bottom: var(--spacing-sm);
}

.sister-site-title {
    color: var(--color-gold);
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.sister-site-subtitle {
    font-weight: 700;
    color: var(--color-white);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.sister-site-desc {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    display: block;
}

.sister-site-highlight {
    color: var(--color-white);
    font-weight: 700;
    display: block;
}

/* Departure */
.departure {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid rgba(255, 255, 255, 0.2);
}

.departure-img {
    max-width: 150px;
    margin: 0 auto var(--spacing-sm);
    border-radius: 8px;
}

.departure-caption {
    font-style: italic;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   Main Content Area
   =================================== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 1600px;
}

/* Hero Section */
.hero {
    background: linear-gradient(to bottom, var(--color-light-blue) 0%, var(--color-white) 85%);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: visible;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
}

.hero-banner {
    width: 100%;
    height: auto;
    display: block;
    min-height: 180px;
    max-height: 280px;
    object-fit: contain;
    object-position: center top;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
}

.hero-content {
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xl);
    text-align: center;
}

.hero-logo {
    max-width: 280px;
    margin: 0 auto var(--spacing-lg);
}

.hero-title {
    font-size: 2.25rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-vintage);
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-gray-dark);
    font-weight: 400;
    line-height: 1.5;
    opacity: 0.9;
}

/* Quick Links Section */
.quick-links {
    margin-bottom: var(--spacing-xl);
}

.quick-links h2 {
    font-size: 2rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-vintage);
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.quick-link-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    text-align: center;
    border: 2px solid transparent;
}

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

.quick-link-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.quick-link-card h3 {
    font-size: 1.25rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
}

.quick-link-card p {
    font-size: 0.95rem;
    color: var(--color-gray-dark);
}

/* What's New Section */
.whats-new {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.whats-new h2 {
    font-size: 1.75rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-vintage);
}

.news-items {
    margin-bottom: var(--spacing-md);
}

.news-item {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.news-item:last-child {
    border-bottom: none;
}

.news-badge {
    background-color: var(--color-red);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.news-item a {
    font-size: 1rem;
    color: var(--color-primary-blue);
    flex: 1;
}

.news-item a:hover {
    color: var(--color-primary-blue-light);
}

.view-all {
    display: inline-block;
    color: var(--color-gold-dark);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.view-all:hover {
    color: var(--color-gold);
}

/* About Section */
.about {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.about h2 {
    font-size: 1.75rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-vintage);
}

.about p {
    font-size: 1.05rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.about ul {
    list-style: none;
    padding-left: 0;
}

.about ul li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: 1rem;
    color: var(--color-gray-dark);
}

.about ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: 700;
}

.about ul li strong {
    color: var(--color-primary-blue);
}

.online-since {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
    text-align: center;
}

.online-since p {
    font-size: 1.1rem;
    margin-bottom: 0;
}

.highlight-date {
    color: var(--color-red);
    font-weight: 700;
}

/* External Links Section */
.external-links {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.external-link-btn {
    display: inline-block;
    background-color: var(--color-primary-blue);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.external-link-btn:hover {
    background-color: var(--color-primary-blue-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

/* ===================================
   Responsive Design - Mobile
   =================================== */
@media screen and (max-width: 1024px) {
    .main-content {
        margin-left: 0;
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
        z-index: 1000;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .quick-links-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
    }

    .main-content {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
        border-radius: 12px;
    }

    .hero-banner {
        max-height: 220px;
        min-height: 150px;
    }

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

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

    .hero-content {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-lg);
    }

    .hero-logo {
        max-width: 200px;
    }

    .quick-links h2,
    .whats-new h2,
    .about h2 {
        font-size: 1.5rem;
    }
}

@media screen and (max-width: 480px) {
    body {
        padding-top: 70px;
    }

    .hero {
        padding: var(--spacing-md) var(--spacing-sm);
        border-radius: 8px;
    }

    .hero-banner {
        max-height: 180px;
        min-height: 120px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .quick-link-icon {
        font-size: 2.5rem;
    }

    .quick-link-card h3 {
        font-size: 1.1rem;
    }

    .visitor-guide {
        padding: var(--spacing-md);
    }

    .visitor-guide h1 {
        font-size: 1.75rem;
    }

    .visitor-guide h2 {
        font-size: 1.5rem;
    }

    .ticket-cards {
        grid-template-columns: 1fr;
    }

    .line-highlights,
    .experience-cards {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Large Desktop Optimization
   =================================== */

/* Medium-Large Desktop (1600px+) */
@media screen and (min-width: 1600px) {
    .main-content {
        max-width: 1600px;
        padding: var(--spacing-xl) 3rem;
    }

    .hero-banner {
        max-height: 300px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .quick-links-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .content-area {
        font-size: 1.05rem;
    }
}

/* Full HD Desktop (1920px+) */
@media screen and (min-width: 1920px) {
    .main-content {
        max-width: 1800px;
        padding: var(--spacing-xl) 4rem;
    }

    .hero-banner {
        max-height: 330px;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-subtitle {
        font-size: 1.35rem;
    }

    .quick-links-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .ticket-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .line-highlights {
        grid-template-columns: repeat(3, 1fr);
    }

    .content-area {
        font-size: 1.1rem;
        line-height: 1.8;
    }

    .content-area h1 {
        font-size: 2.5rem;
    }

    .content-area h2 {
        font-size: 2rem;
    }
}

/* 4K and Ultra-Wide Displays (2560px+) */
@media screen and (min-width: 2560px) {
    .main-content {
        max-width: 2200px;
        padding: var(--spacing-xl) 6rem;
    }

    .hero-banner {
        max-height: 360px;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .quick-links-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xl);
    }

    .ticket-cards {
        grid-template-columns: repeat(4, 1fr);
    }

    .content-area {
        font-size: 1.15rem;
        line-height: 1.9;
    }

    .content-area h1 {
        font-size: 3rem;
    }

    .content-area h2 {
        font-size: 2.25rem;
    }

    .content-area figure {
        max-width: 90%;
    }
}

/* ===================================
   Scrollbar Styling (for sidebar)
   =================================== */
.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* ===================================
   Visitor Guide Section
   =================================== */
.visitor-guide {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.visitor-guide h1 {
    font-size: 2.25rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-vintage);
    line-height: 1.2;
}

.guide-intro {
    font-size: 1.15rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
}

.guide-quote {
    background-color: var(--color-gray-light);
    border-left: 4px solid var(--color-gold);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 4px;
}

.guide-quote p {
    font-style: italic;
    color: var(--color-gray-dark);
    margin: 0;
    line-height: 1.7;
}

.visitor-guide h2 {
    font-size: 2rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-vintage);
    border-bottom: 3px solid var(--color-gold);
    padding-bottom: var(--spacing-sm);
}

.visitor-guide h3 {
    font-size: 1.65rem;
    color: var(--color-primary-blue);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-vintage);
    border-bottom: 2px solid var(--color-gold);
    padding-bottom: var(--spacing-xs);
}

.visitor-guide h4 {
    font-size: 1.3rem;
    color: var(--color-primary-blue-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.visitor-guide h5 {
    font-size: 1.1rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.visitor-guide p {
    font-size: 1.05rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.guide-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: var(--spacing-lg);
}

.guide-list li {
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    border-bottom: 1px solid var(--color-gray-light);
    line-height: 1.7;
}

.guide-list li::before {
    content: "🎫";
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.guide-list ol {
    margin-top: var(--spacing-sm);
    margin-left: var(--spacing-md);
    color: var(--color-gray-dark);
}

.guide-list ol li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    border-bottom: none;
}

.guide-list ol li::before {
    content: none;
}

/* Ticket Overview */
.ticket-overview {
    margin: var(--spacing-lg) 0;
}

.ticket-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.ticket-card {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all var(--transition-medium);
}

.ticket-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.ticket-card.highlight {
    background: linear-gradient(135deg, #fff9e6 0%, var(--color-gray-light) 100%);
    border-color: var(--color-gold);
}

.ticket-card h5 {
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
    font-weight: 600;
}

.ticket-card p {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.ticket-card ul {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-sm);
}

.ticket-card ul li {
    font-size: 0.95rem;
    padding: 4px 0;
}

.ticket-card strong {
    color: var(--color-primary-blue);
    font-size: 1.1rem;
}

.badge-tip {
    display: inline-block;
    background-color: var(--color-gold);
    color: var(--color-white);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

/* Important Box */
.important-box {
    background-color: #fff3cd;
    border: 2px solid var(--color-gold);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.important-box h4 {
    color: var(--color-primary-blue-dark);
    margin-bottom: var(--spacing-sm);
}

.important-box p {
    margin-bottom: var(--spacing-sm);
}

.important-box p:last-child {
    margin-bottom: 0;
}

/* Disclaimer */
.disclaimer {
    font-size: 0.9rem;
    color: var(--color-gray-medium);
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* Line Highlights */
.line-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.line-card {
    background: linear-gradient(135deg, var(--color-primary-blue-light) 0%, var(--color-primary-blue) 100%);
    color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium);
}

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

.line-card h5 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
}

.line-card p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
    margin: 0;
}

/* Tips List */
.tips-list {
    list-style: none;
    padding-left: 0;
    margin: var(--spacing-lg) 0;
}

.tips-list li {
    padding: var(--spacing-md);
    padding-left: var(--spacing-xl);
    position: relative;
    background-color: var(--color-gray-light);
    margin-bottom: var(--spacing-sm);
    border-radius: 6px;
    border-left: 4px solid var(--color-gold);
    line-height: 1.7;
}

.tips-list li::before {
    content: "💡";
    position: absolute;
    left: var(--spacing-sm);
    font-size: 1.3rem;
}

/* Experience Cards */
.experience-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.experience-card {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 2px solid var(--color-gold);
    transition: all var(--transition-medium);
}

.experience-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background-color: var(--color-white);
}

.experience-card h5 {
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
    font-weight: 600;
}

.experience-card p {
    font-size: 0.95rem;
    margin: 0;
}

.guide-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
    font-style: italic;
}

/* ===================================
   Content Area Styles
   =================================== */
.content-area {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.content-area h1,
.content-area h2,
.content-area h3 {
    color: var(--color-primary-blue);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-vintage);
}

.content-area h1 {
    font-size: 2.5rem;
    border-bottom: 3px solid var(--color-gold);
    padding-bottom: var(--spacing-sm);
}

.content-area h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--color-gold-light);
    padding-bottom: var(--spacing-xs);
}

.content-area h3 {
    font-size: 1.5rem;
    color: var(--color-primary-blue);
}

.content-area p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-dark);
}

.content-area strong {
    color: var(--color-primary-blue);
    font-weight: 600;
}

.content-area em {
    font-style: italic;
    color: var(--color-primary-blue-light);
}

.content-area hr {
    border: none;
    border-top: 2px solid var(--color-gray-light);
    margin: var(--spacing-xl) 0;
}

.content-area a {
    color: var(--color-primary-blue);
    text-decoration: underline;
    text-decoration-color: var(--color-gold-light);
    text-decoration-thickness: 2px;
    transition: all var(--transition-fast);
}

.content-area a:hover {
    color: var(--color-primary-blue-light);
    text-decoration-color: var(--color-gold);
}

/* Text alignment helpers */
.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

/* Inline color styles (from old HTML) */
.content-area [style*="color"] {
    /* Allow inline colors for historical content */
}

/* ===================================
   Semantic Color Classes (Refactoring Phase 1)
   =================================== */

/* Primary semantic colors */
.u-bahn-color {
    color: var(--color-primary-blue) !important;
}

.text-accent {
    color: var(--color-red) !important;
}

.text-body {
    color: var(--color-black) !important;
}

.text-muted {
    color: #666666 !important; /* Improved contrast from #C0C0C0 */
}

.text-secondary {
    color: var(--color-gray-dark) !important;
}

.text-highlight {
    color: var(--color-primary-blue-light) !important;
}

/* Status indicators */
.status-operational {
    color: var(--color-primary-blue);
    font-weight: 500;
}

.status-inactive {
    color: #666666;
}

.status-decommissioned {
    color: #666666;
    text-decoration: line-through;
}

.wagon-operational {
    color: var(--color-primary-blue);
}

.wagon-inactive {
    color: #666666;
}

.wagon-decommissioned {
    color: #666666;
    text-decoration: line-through;
}

/* Badge/Label styles */
.badge-new {
    color: var(--color-red);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.status-icon {
    display: inline-block;
    margin-right: 0.25rem;
}

.status-icon::before {
    content: '●';
}

.external {
    font-size: 0.875em;
    margin-left: 0.25rem;
    opacity: 0.7;
}

/* ===================================
   Typography - Semantic Headings (Phase 2)
   =================================== */

.page-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary-blue);
}

.subsection-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

/* ===================================
   Semantic HTML Elements (Phase 3)
   =================================== */

/* Figure elements */
.content-image,
.content-area figure {
    margin: var(--spacing-lg) auto;
    max-width: 100%;
    text-align: center;
}

.content-area figcaption {
    font-size: 0.875rem;
    color: var(--color-gray-dark);
    margin-top: var(--spacing-xs);
    text-align: center;
    font-style: italic;
}

/* Center all images in content area */
.content-area img,
.content-image img,
.content-area figure img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    height: auto;
}

/* Time elements */
.content-area time {
    font-weight: 500;
    color: var(--color-primary-blue);
}

/* Definition lists for specifications */
.content-area dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xs) var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.content-area dt {
    font-weight: 600;
    color: var(--color-gray-dark);
}

.content-area dd {
    color: var(--color-black);
    margin: 0;
}

/* ===================================
   Accessibility Improvements
   =================================== */

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary-blue);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 0;
    font-weight: 600;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* ===================================
   Phase 5: Table Replacements - U-Bahn Lines List
   =================================== */

/* U-Bahn Lines Grid Layout */
.u-bahn-lines-list {
    display: grid;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.u-bahn-line {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.u-bahn-line:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Line Header (Main Info) */
.line-header {
    background: var(--color-primary-blue);
    color: var(--color-white);
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-sm);
    align-items: center;
}

.line-logo {
    width: 80px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.line-info {
    flex: 1;
}

.line-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.line-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    opacity: 0.95;
}

.line-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Line Sections */
.line-sections {
    padding: var(--spacing-md);
}

.line-section {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.line-section:last-child {
    border-bottom: none;
}

.line-section-header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-md);
    align-items: start;
}

.section-name {
    font-weight: 600;
    color: var(--color-primary-blue);
    margin-bottom: 0.25rem;
}

.section-route {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    margin-bottom: 0.25rem;
}

.section-notes {
    font-size: 0.85rem;
    color: var(--color-red);
    font-style: italic;
}

.opening-year {
    background: var(--color-gray-light);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    color: var(--color-gray-dark);
    white-space: nowrap;
}

/* Phase 6: Wagon/Museum Catalog */
.museum-wagon {
    background: white;
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--color-primary-blue);
    box-shadow: var(--shadow-sm);
}

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

.wagon-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    margin: 0;
}

.wagon-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.wagon-status.operational {
    background: rgba(26, 84, 144, 0.1);
    color: var(--color-primary-blue);
}

.wagon-status.operational::before {
    content: '●';
    color: var(--color-primary-blue);
}

.wagon-status.inactive {
    background: rgba(102, 102, 102, 0.1);
    color: #666666;
}

.wagon-status.inactive::before {
    content: '○';
    color: #666666;
}

/* Wagon Specifications */
.wagon-specs {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.wagon-specs dt {
    font-weight: 600;
    color: var(--color-gray-dark);
}

.wagon-specs dd {
    color: var(--color-black);
    margin: 0;
}

.wagon-images {
    margin-top: var(--spacing-md);
}

.wagon-images img {
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
}

/* Legacy table styling (for non-converted tables) */
.content-area table {
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    width: 100%;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.content-area td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-light);
}

.content-area td[bgcolor="#000080"],
.content-area td[bgcolor="#000080"] * {
    background-color: var(--color-primary-blue) !important;
    color: var(--color-white) !important;
}

.content-area td[bgcolor="#282828"],
.content-area td[bgcolor="#282828"] * {
    background-color: var(--color-gray-dark) !important;
    color: var(--color-white) !important;
}

.content-area td[bgcolor] a {
    color: var(--color-white) !important;
    text-decoration: underline;
}

.content-area td[bgcolor] a:hover {
    color: var(--color-gold-light) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .line-header {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .line-logo {
        margin: 0 auto;
    }

    .line-section-header {
        grid-template-columns: 1fr;
    }

    .opening-year {
        display: inline-block;
        margin-top: 0.5rem;
    }

    .wagon-specs {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .wagon-specs dt::after {
        content: ':';
    }
}

/* ===================================
   Accessibility Improvements (Existing)
   =================================== */
.mobile-menu-toggle:focus,
a:focus {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* 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;
    }
}

/* ===================================
   U-Bahn Line Badges (for linie.html)
   =================================== */

/* U-Bahn Line Color Variables */
:root {
    /* Current Lines */
    --line-u1: #55a12a;       /* Green */
    --line-u2: #c00c28;       /* Red */
    --line-u3: #16683d;       /* Dark Green */
    --line-u4: #f0d722;       /* Yellow */
    --line-u5: #7e5330;       /* Brown */
    --line-u6: #7b4f9d;       /* Purple */
    --line-u7: #3e9bdb;       /* Light Blue */
    --line-u8: #f46717;       /* Orange */
    --line-u9: #f36f22;       /* Orange-Red */
    --line-u12: #55a12a;      /* Same as U1 */
    --line-u15: #16683d;      /* Same as U3 */

    /* Historical Lines (Buchstaben) */
    --line-a: #c00c28;        /* Red */
    --line-b: #55a12a;        /* Green */
    --line-c: #7b4f9d;        /* Purple */
    --line-d: #f46717;        /* Orange */
    --line-e: #7e5330;        /* Brown */
    --line-g: #f36f22;        /* Orange */

    /* Old numbered lines */
    --line-old-2: #c00c28;    /* Red */
    --line-old-3: #16683d;    /* Dark Green */
    --line-old-5: #c00c28;    /* Red */
}

/* Base Badge Style */
.line-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    height: 30px;
    padding: 0 8px;
    border-radius: 4px;
    font-family: 'Segoe UI', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    margin: 0 4px;
    vertical-align: middle;
}

.line-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
}

/* Larger variant for headlines */
.line-badge.large {
    min-width: 60px;
    height: 42px;
    font-size: 1.5rem;
    padding: 0 12px;
}

/* Current U-Bahn Lines */
.line-u1 { background-color: var(--line-u1); }
.line-u2 { background-color: var(--line-u2); }
.line-u3 { background-color: var(--line-u3); }
.line-u4 {
    background-color: var(--line-u4);
    color: #1d1d1f; /* Dark text for better contrast */
}
.line-u5 { background-color: var(--line-u5); }
.line-u6 { background-color: var(--line-u6); }
.line-u7 { background-color: var(--line-u7); }
.line-u8 { background-color: var(--line-u8); }
.line-u9 { background-color: var(--line-u9); }
.line-u12 { background-color: var(--line-u12); }
.line-u15 { background-color: var(--line-u15); }

/* Historical Lines (Letters) */
.line-a { background-color: var(--line-a); }
.line-b { background-color: var(--line-b); }
.line-c { background-color: var(--line-c); }
.line-d { background-color: var(--line-d); }
.line-e { background-color: var(--line-e); }
.line-g { background-color: var(--line-g); }

/* Multi-letter historical lines */
.line-ai,
.line-aii,
.line-aiii,
.line-abi,
.line-abii { background-color: var(--line-a); }

.line-bi,
.line-bii,
.line-biii,
.line-biv { background-color: var(--line-b); }

.line-ci,
.line-cii { background-color: var(--line-c); }

/* Old numbered lines (pre-1993) */
.line-old-2 { background-color: var(--line-old-2); }
.line-old-3 { background-color: var(--line-old-3); }
.line-old-5 { background-color: var(--line-old-5); }

/* Line Section Headers */
.line-section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--color-gray-light);
}

.line-section-header h3 {
    margin: 0;
    color: var(--color-primary-blue);
    font-size: 1.75rem;
}

/* Line History Entry */
.line-history-entry {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.line-history-entry::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 8px;
    height: 8px;
    background-color: var(--color-gold);
    border-radius: 50%;
}

.line-history-date {
    font-weight: 600;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-xs);
}

.line-history-description {
    color: var(--color-gray-dark);
    line-height: 1.6;
}

.line-history-note {
    color: var(--color-gray-medium);
    font-style: italic;
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .line-badge {
        min-width: 40px;
        height: 26px;
        font-size: 0.95rem;
        padding: 0 6px;
    }

    .line-badge.large {
        min-width: 50px;
        height: 34px;
        font-size: 1.25rem;
    }

    .line-section-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================
   STATION LIST (lzb.html) - RESPONSIVE TABLE TO CARDS
   ============================================ */

/* Compact Line Text Classes - Now styled as badges */
.line-text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 26px;
    padding: 0 6px;
    margin: 0 3px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.85rem;
    color: white;
    white-space: nowrap;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    vertical-align: middle;
}

/* Current U-Bahn Lines */
.line-text.line-u1 { background-color: var(--line-u1); }
.line-text.line-u2 { background-color: var(--line-u2); }
.line-text.line-u3 { background-color: var(--line-u3); }
.line-text.line-u4 {
    background-color: var(--line-u4);
    color: #1d1d1f; /* Dark text for yellow background */
}
.line-text.line-u5 { background-color: var(--line-u5); }
.line-text.line-u6 { background-color: var(--line-u6); }
.line-text.line-u7 { background-color: var(--line-u7); }
.line-text.line-u8 { background-color: var(--line-u8); }
.line-text.line-u9 { background-color: var(--line-u9); }
.line-text.line-u12 { background-color: var(--line-u12); }
.line-text.line-u15 { background-color: var(--line-u15); }

/* Historical Lines */
.line-text.line-a { background-color: var(--line-a); }
.line-text.line-b { background-color: var(--line-b); }
.line-text.line-c { background-color: var(--line-c); }
.line-text.line-d { background-color: var(--line-d); }
.line-text.line-e { background-color: var(--line-e); }
.line-text.line-f { background-color: var(--line-f); }
.line-text.line-g { background-color: var(--line-g); }

/* Old defunct lines */
.line-text.line-old3 { background-color: var(--line-old3); }
.line-text.line-old5 { background-color: var(--line-old5); }

/* Station Name Text Colors */
.station-name-current {
    color: #1a5490;
    font-weight: 600;
}

.station-name-former {
    color: #808080;
    font-style: italic;
    font-size: 0.9em;
    margin-left: 0.5rem;
}

.station-name-planned {
    color: #FF6666;
    font-weight: 600;
}

.station-name-planned-station {
    color: #00CC00;
    font-weight: 600;
}

/* Station List Container */
.station-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: var(--spacing-md);
}

/* Station Entry - Desktop Grid Layout */
.station-entry {
    display: grid;
    grid-template-columns: 2.5fr 100px 180px 120px 2fr;
    gap: 1rem;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    align-items: start;
}

.station-entry:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(244, 178, 35, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Station Field - Common styling */
.station-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.field-label {
    display: none; /* Hidden on desktop, shown on mobile */
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.field-value {
    color: var(--color-text-primary);
    line-height: 1.6;
}

/* Station Name Field */
.station-field.station-name {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Station Abbreviation (Kurz) Field */
.station-field.station-kurz .field-value {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-gold);
}

/* Station Lines Field */
.station-field.station-lines .field-value {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
}

/* Station Opening Date Field */
.station-field.station-opening time {
    font-weight: 500;
    color: var(--color-text-primary);
}

/* Station Notes Field */
.station-field.station-notes .field-value {
    font-size: 0.9rem;
    color: var(--color-gray-medium);
    line-height: 1.5;
}

/* Table Header for Station List */
.station-list-header {
    display: grid;
    grid-template-columns: 2.5fr 100px 180px 120px 2fr;
    gap: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(244, 178, 35, 0.15);
    border-radius: var(--border-radius-md);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.station-list-header-cell {
    display: flex;
    align-items: center;
}

/* Responsive Design - Tablet */
@media (max-width: 1024px) {
    .station-entry {
        grid-template-columns: 2fr 90px 150px 110px 1.5fr;
        gap: 0.75rem;
        padding: var(--spacing-sm);
    }

    .station-list-header {
        grid-template-columns: 2fr 90px 150px 110px 1.5fr;
        gap: 0.75rem;
        font-size: 0.85rem;
    }

    .line-text {
        font-size: 0.85rem;
    }
}

/* Responsive Design - Mobile (Card Layout) */
@media (max-width: 768px) {
    /* Hide desktop table header on mobile */
    .station-list-header {
        display: none;
    }

    /* Transform grid to card layout */
    .station-entry {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
        background: rgba(255, 255, 255, 0.05);
    }

    .station-entry:hover {
        transform: none; /* Disable transform on mobile */
    }

    /* Station Field - Show labels on mobile */
    .station-field {
        display: grid;
        grid-template-columns: 110px 1fr;
        gap: var(--spacing-xs);
        align-items: start;
    }

    .field-label {
        display: block; /* Show labels on mobile */
    }

    /* Station Name - Full width on mobile */
    .station-field.station-name {
        grid-column: 1 / -1;
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: var(--spacing-sm);
        margin-bottom: var(--spacing-xs);
    }

    .station-field.station-name .field-label {
        display: none; /* Hide "Name" label as it's obvious */
    }

    .station-name-former {
        margin-left: 0;
        display: block;
    }

    /* Lines Field - Better wrapping on mobile */
    .station-field.station-lines {
        grid-template-columns: 110px 1fr;
    }

    .station-field.station-lines .field-value {
        flex-wrap: wrap;
        gap: 0.35rem;
    }

    /* Notes Field - Full width on mobile if long */
    .station-field.station-notes {
        grid-column: 1 / -1;
        grid-template-columns: 110px 1fr;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .station-entry {
        padding: var(--spacing-sm);
    }

    .station-field {
        grid-template-columns: 90px 1fr;
        gap: 0.5rem;
    }

    .field-label {
        font-size: 0.8rem;
    }

    .line-text {
        font-size: 0.85rem;
        padding: 0 3px;
    }

    .station-field.station-notes {
        grid-template-columns: 90px 1fr;
    }
}

/* Accessibility - Focus states */
.station-entry:focus-within {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* Print styles for station list */
@media print {
    .station-entry {
        page-break-inside: avoid;
        background: white;
        color: black;
        border: 1px solid #ccc;
    }

    .station-name-current {
        color: black;
    }

    .line-text {
        border: 1px solid;
        padding: 2px 4px;
    }
}

/* ===================================
   LEXICON PAGES (lexak.html, lexlz.html)
   =================================== */

/* Lexicon Header */
.lexicon-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-blue-light) 0%, var(--color-primary-blue) 100%);
    border-radius: 12px;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.lexicon-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 20px
    );
    pointer-events: none;
}

.lexicon-symbol {
    width: 60px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    position: relative;
    z-index: 1;
}

.lexicon-title {
    font-size: 2.5rem;
    font-family: var(--font-vintage);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.lexicon-subtitle {
    font-size: 1.25rem;
    color: var(--color-gold-light);
    font-weight: 600;
    letter-spacing: 1px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

/* Alphabetical Navigation Bar */
.alphabet-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    position: sticky;
    top: var(--spacing-sm);
    z-index: 100;
    border: 2px solid var(--color-gray-light);
}

.alphabet-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 var(--spacing-sm);
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

/* Active/clickable alphabet links (current page) */
.alphabet-link.active {
    background-color: var(--color-primary-blue);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.alphabet-link.active:hover {
    background-color: var(--color-primary-blue-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Inactive letter (no entries) */
.alphabet-link.inactive {
    background-color: var(--color-gray-light);
    color: var(--color-gray-medium);
    cursor: not-allowed;
    opacity: 0.5;
}

/* Link to other part (L-Z) */
.alphabet-link.part-link {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-white);
    font-weight: 700;
    padding: 0 var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.alphabet-link.part-link:hover {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Lexicon Section Container */
.lexicon-section {
    margin-bottom: var(--spacing-xl);
    scroll-margin-top: 100px; /* Account for sticky navigation */
}

/* Section Header (A, B, C, etc.) */
.section-header {
    font-size: 3rem;
    font-family: var(--font-vintage);
    font-weight: 700;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 4px solid var(--color-gold);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.section-header::before {
    content: '';
    width: 8px;
    height: 60px;
    background: linear-gradient(180deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    border-radius: 4px;
}

/* Lexicon Entry */
.lexicon-entry {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary-blue-light);
    transition: all var(--transition-fast);
}

.lexicon-entry:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
    border-left-color: var(--color-gold);
}

/* Entry Term/Heading */
.entry-term {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-vintage);
    letter-spacing: 0.3px;
}

/* Entry Content */
.entry-content {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-gray-dark);
}

.entry-content p {
    margin-bottom: var(--spacing-sm);
}

.entry-content p:last-child {
    margin-bottom: 0;
}

/* Cross-reference links with → symbol */
.entry-content a {
    color: var(--color-primary-blue);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid var(--color-gold-light);
    transition: all var(--transition-fast);
}

.entry-content a:hover {
    color: var(--color-primary-blue-light);
    border-bottom-color: var(--color-gold);
    background-color: rgba(244, 178, 35, 0.1);
}

/* Back to Top Links */
.back-to-top {
    text-align: right;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-light);
}

.back-to-top a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-gray-light);
    color: var(--color-primary-blue);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.back-to-top a::before {
    content: '↑';
    font-size: 1.2rem;
    font-weight: 700;
}

.back-to-top a:hover {
    background-color: var(--color-primary-blue);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Lexicon Footer Navigation */
.lexicon-navigation-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 3px solid var(--color-gray-light);
}

.lexicon-navigation-footer .button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.lexicon-navigation-footer .button:hover {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.lexicon-navigation-footer .button.button-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.25rem;
}

/* Content Section Styling (for lexicon pages) */
.content-section {
    margin-bottom: var(--spacing-xl);
}

.content-section h2 {
    font-size: 2rem;
    color: var(--color-primary-blue);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-vintage);
    border-bottom: 3px solid var(--color-gold);
    padding-bottom: var(--spacing-sm);
}

.info-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.info-card p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-md);
}

.info-card ul {
    list-style: none;
    padding-left: 0;
}

.info-card ul li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    line-height: 1.7;
}

.info-card ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: 700;
}

/* Sister Sites Heading (for lexicon sidebar) */
.sister-sites-heading {
    color: var(--color-gold);
    font-size: 1rem;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    text-align: center;
    font-family: var(--font-vintage);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===================================
   RESPONSIVE DESIGN - LEXICON PAGES
   =================================== */

/* Tablet (1024px and below) */
@media screen and (max-width: 1024px) {
    .lexicon-title {
        font-size: 2rem;
    }

    .lexicon-subtitle {
        font-size: 1.1rem;
    }

    .section-header {
        font-size: 2.5rem;
    }

    .alphabet-nav {
        position: static; /* Remove sticky on tablet */
        gap: 6px;
        padding: var(--spacing-md);
    }

    .alphabet-link {
        min-width: 38px;
        height: 38px;
        font-size: 1rem;
    }
}

/* Mobile (768px and below) */
@media screen and (max-width: 768px) {
    .lexicon-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .lexicon-symbol {
        width: 50px;
    }

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

    .lexicon-subtitle {
        font-size: 1rem;
    }

    .alphabet-nav {
        gap: 4px;
        padding: var(--spacing-sm);
    }

    .alphabet-link {
        min-width: 34px;
        height: 34px;
        font-size: 0.9rem;
        padding: 0 6px;
    }

    .alphabet-link.part-link {
        padding: 0 var(--spacing-sm);
    }

    .section-header {
        font-size: 2rem;
    }

    .section-header::before {
        width: 6px;
        height: 40px;
    }

    .lexicon-entry {
        padding: var(--spacing-md);
    }

    .entry-term {
        font-size: 1.25rem;
    }

    .entry-content {
        font-size: 1rem;
    }

    .back-to-top {
        text-align: center;
    }

    .lexicon-navigation-footer .button {
        width: 100%;
        justify-content: center;
    }
}

/* Small Mobile (480px and below) */
@media screen and (max-width: 480px) {
    .lexicon-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .lexicon-symbol {
        width: 40px;
    }

    .lexicon-title {
        font-size: 1.5rem;
    }

    .lexicon-subtitle {
        font-size: 0.95rem;
    }

    .alphabet-nav {
        gap: 3px;
        padding: var(--spacing-xs);
    }

    .alphabet-link {
        min-width: 30px;
        height: 30px;
        font-size: 0.85rem;
        padding: 0 4px;
    }

    .section-header {
        font-size: 1.75rem;
    }

    .lexicon-entry {
        padding: var(--spacing-sm);
    }

    .lexicon-entry:hover {
        transform: none; /* Disable transform on very small screens */
    }

    .entry-term {
        font-size: 1.15rem;
    }

    .entry-content {
        font-size: 0.95rem;
    }

    .lexicon-navigation-footer .button.button-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1.1rem;
    }
}

/* Print Styles for Lexicon */
@media print {
    .alphabet-nav,
    .back-to-top,
    .lexicon-navigation-footer {
        display: none;
    }

    .lexicon-header {
        background: white;
        color: black;
        box-shadow: none;
    }

    .lexicon-title,
    .lexicon-subtitle {
        color: black;
        text-shadow: none;
    }

    .lexicon-entry {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .section-header {
        page-break-after: avoid;
        border-bottom-color: #000;
    }
}

/* Station Box Styles für Bahnhofsnamen */
.station-box {
    background-color: #003399;
    border: 2px solid #FFFFFF;
    padding: 1rem;
    margin: 2rem auto;
    text-align: center;
    max-width: 600px;
    border-radius: 4px;
}

.station-name {
    color: #FFFFFF;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0;
    font-family: var(--font-primary);
}

/* Transit Connection Boxes */
.transit-connection {
    background-color: #000066;
    padding: 1rem;
    margin: 2rem 0;
    border-radius: 4px;
}

.transit-connection p {
    color: #FDB102;
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.transit-connection a {
    color: #FDB102;
    text-decoration: none;
}

.transit-connection a:hover {
    text-decoration: underline;
}

/* Data Table Styles */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background-color: #000066;
}

.data-table td {
    padding: 0.75rem;
    color: #FFFFFF;
    font-family: var(--font-primary);
}

.data-table tr:nth-child(odd) {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Subsection Heading */
.subsection-heading {
    color: #FFFFFF;
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-family: var(--font-primary);
}

/* Text Body adjustments for color variations */
.text-body {
    color: #FFFFFF;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}


/* Station Info Box für Bahnhofsseiten */
.station-info-box {
    background-color: #000000;
    padding: 2rem;
    margin: 2rem 0;
    border-radius: 8px;
    border: 2px solid #f4b223;
}

.station-info-box h2 {
    color: #ffffff;
    font-size: 2.5rem;
    margin: 0;
    text-align: center;
}

.station-info-box a {
    color: #FFCC00;
    text-decoration: none;
    transition: color 0.3s ease;
}

.station-info-box a:hover {
    color: #f4b223;
    text-decoration: underline;
}

/* Responsive Station Info Box */
@media (max-width: 768px) {
    .station-info-box {
        padding: 1rem;
    }

    .station-info-box h2 {
        font-size: 1.8rem;
    }

    .station-info-box [style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}

/* ===================================
   NETWORK OVERVIEW PAGE (netzueber.html)
   =================================== */

/* Network Overview Header */
.network-overview-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-blue-light) 0%, var(--color-primary-blue) 100%);
    border-radius: 12px;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.network-overview-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 20px
    );
    pointer-events: none;
}

.network-symbol {
    width: 70px;
    height: auto;
    margin: 0 auto var(--spacing-md);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    position: relative;
    z-index: 1;
}

.network-title {
    font-size: 2.75rem;
    font-family: var(--font-vintage);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.network-subtitle {
    font-size: 1.15rem;
    color: var(--color-gold-light);
    font-weight: 500;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

/* Decade Sections */
.decade-section {
    margin-bottom: var(--spacing-xl);
}

.decade-header {
    font-size: 1.75rem;
    font-family: var(--font-vintage);
    font-weight: 700;
    color: var(--color-white);
    background-color: var(--color-black);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

/* Years Grid */
.years-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

/* Year Card */
.year-card {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    position: relative;
}

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

.year-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    font-family: var(--font-vintage);
    text-align: center;
}

/* East Berlin Cards */
.year-card.east-berlin {
    background: linear-gradient(135deg, #e8e8e8 0%, #d0d0d0 100%);
    border-left: 4px solid var(--color-red);
}

.year-card.east-berlin:hover {
    border-color: var(--color-red);
}

.east-badge {
    display: inline-block;
    background-color: var(--color-red);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    margin-top: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Special Feature Card */
.special-feature-card {
    background: linear-gradient(135deg, var(--color-primary-blue-dark) 0%, var(--color-primary-blue) 100%);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    color: var(--color-white);
}

.special-feature-card h3 {
    font-size: 2rem;
    font-family: var(--font-vintage);
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.special-feature-card p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.95);
}

.special-feature-card .button {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: var(--color-black);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-block;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
}

.special-feature-card .button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
}

/* ===================================
   RESPONSIVE DESIGN - NETWORK OVERVIEW
   =================================== */

/* Tablet */
@media screen and (max-width: 1024px) {
    .network-title {
        font-size: 2.25rem;
    }

    .network-subtitle {
        font-size: 1rem;
    }

    .years-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-sm);
    }

    .decade-header {
        font-size: 1.5rem;
    }
}

/* Mobile */
@media screen and (max-width: 768px) {
    .network-overview-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .network-symbol {
        width: 55px;
    }

    .network-title {
        font-size: 1.875rem;
    }

    .network-subtitle {
        font-size: 0.95rem;
    }

    .years-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .year-card {
        padding: var(--spacing-md);
        min-height: 80px;
    }

    .year-number {
        font-size: 1.1rem;
    }

    .decade-header {
        font-size: 1.35rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .special-feature-card {
        padding: var(--spacing-lg);
    }

    .special-feature-card h3 {
        font-size: 1.5rem;
    }

    .special-feature-card p {
        font-size: 1rem;
    }
}

/* Small Mobile */
@media screen and (max-width: 480px) {
    .network-overview-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .network-symbol {
        width: 45px;
    }

    .network-title {
        font-size: 1.5rem;
    }

    .network-subtitle {
        font-size: 0.875rem;
    }

    .years-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }

    .year-card {
        padding: var(--spacing-sm);
        min-height: 70px;
    }

    .year-number {
        font-size: 1rem;
    }

    .decade-header {
        font-size: 1.2rem;
    }
}

/* Print Styles */
@media print {
    .network-overview-header {
        background: white;
        color: black;
        box-shadow: none;
    }

    .network-title,
    .network-subtitle {
        color: black;
        text-shadow: none;
    }

    .year-card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .decade-header {
        page-break-after: avoid;
        background: white;
        color: black;
        border: 2px solid black;
    }
}

/* No Content Note */
.no-content-note {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
    font-style: italic;
    background: var(--color-bg-light);
    border-radius: 8px;
    border: 1px dashed var(--color-border-light);
}

/* ========================================================================
   Individual Network Map Year Pages
   ======================================================================== */

/* Network Map Header */
.network-map-header {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-blue-light) 0%, var(--color-primary-blue) 100%);
    border-radius: 12px;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
}

.year-badge {
    display: inline-block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
    border: 3px solid var(--color-gold);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.map-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin: var(--spacing-md) 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.map-subtitle {
    font-size: 1.125rem;
    color: var(--color-white);
    opacity: 0.95;
    font-weight: 400;
}

/* Map Section */
.map-section {
    margin-bottom: var(--spacing-xl);
}

.network-map-figure {
    margin: 0;
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.network-map-img {
    display: block;
    width: 100%;
    height: auto;
    border-bottom: 1px solid var(--color-border-light);
}

.map-caption {
    padding: var(--spacing-md);
    text-align: center;
    font-style: italic;
    color: var(--color-text-secondary);
    background: var(--color-bg-light);
    font-size: 0.95rem;
}

/* Map Info Grid - Two Column Layout */
.map-info-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-xl);
    align-items: start;
}

/* Main Description Card */
.map-description-card {
    background: var(--color-white);
    border-radius: 8px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    margin: 0 0 var(--spacing-lg) 0;
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--color-gold);
}

.description-content p {
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.7;
    color: var(--color-text-primary);
}

.description-content p:last-child {
    margin-bottom: 0;
}

/* Metadata Sidebar */
.map-metadata {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.metadata-card {
    background: linear-gradient(135deg, var(--color-primary-blue-light) 0%, var(--color-primary-blue) 100%);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.metadata-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-white);
    margin: 0 0 var(--spacing-md) 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metadata-list {
    margin: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.metadata-list dt {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.metadata-list dd {
    font-size: 1rem;
    color: var(--color-white);
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 500;
}

.metadata-list dd:last-child {
    margin-bottom: 0;
}

/* Credit Box */
.credit-box {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-left: 4px solid var(--color-gold);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.credit-box strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.credit-box p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Related Links Box */
.related-link-box {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-left: 4px solid var(--color-primary-blue);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.related-link-box strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.related-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-normal);
}

.related-link:hover {
    color: var(--color-gold);
    text-decoration: underline;
}

/* Additional Images Section */
.additional-images {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border-light);
}

.subsection-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-blue);
    margin: 0 0 var(--spacing-lg) 0;
}

.detail-figure {
    margin: 0;
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.detail-img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.detail-caption {
    padding: var(--spacing-md);
    text-align: center;
    font-style: italic;
    color: var(--color-text-secondary);
    background: var(--color-bg-light);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border-light);
}

/* Map Navigation */
.map-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border-light);
}

.nav-button {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-blue) 0%, var(--color-primary-blue-dark) 100%);
    color: var(--color-white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--color-primary-blue-dark) 0%, var(--color-primary-blue) 100%);
}

.nav-button.back {
    margin-right: auto;
}

.nav-button.next {
    margin-left: auto;
}

/* Responsive Design for Individual Map Pages */
@media screen and (max-width: 1024px) {
    .map-info-grid {
        grid-template-columns: 1fr 300px;
        gap: var(--spacing-lg);
    }
}

@media screen and (max-width: 768px) {
    .year-badge {
        font-size: 2.5rem;
        padding: var(--spacing-xs) var(--spacing-lg);
    }

    .map-title {
        font-size: 1.5rem;
    }

    .map-subtitle {
        font-size: 1rem;
    }

    .map-info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .map-description-card,
    .metadata-card,
    .credit-box {
        padding: var(--spacing-lg);
    }

    .map-navigation {
        flex-direction: column;
    }

    .nav-button.back,
    .nav-button.next {
        margin: 0;
        justify-content: center;
    }
}

@media screen and (max-width: 480px) {
    .year-badge {
        font-size: 2rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .network-map-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .map-title {
        font-size: 1.25rem;
    }

    .map-subtitle {
        font-size: 0.9rem;
    }
}

/* Print Styles for Individual Map Pages */
@media print {
    .network-map-header {
        background: white;
        color: black;
        border: 2px solid black;
        page-break-after: avoid;
    }

    .year-badge {
        color: black;
        background: white;
        border-color: black;
    }

    .map-title {
        color: black;
        text-shadow: none;
    }

    .map-subtitle {
        color: black;
        opacity: 1;
    }

    .network-map-figure {
        page-break-inside: avoid;
    }

    .map-navigation {
        display: none;
    }
}

/* ===================================
   Historical Network Maps (Netzspinnen)
   =================================== */

/* Breadcrumb Navigation */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    color: var(--color-gray-medium);
}

.breadcrumb a {
    color: var(--color-primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-primary-blue-light);
    text-decoration: underline;
}

.breadcrumb span[aria-current="page"] {
    color: var(--color-gray-dark);
    font-weight: 600;
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 3px solid var(--color-gold);
}

.page-header h1 {
    font-size: 2.5rem;
    color: var(--color-primary-blue-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray-medium);
    margin: 0;
}

/* Network Map Figure */
.network-map {
    margin: var(--spacing-xl) 0;
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.network-map img {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 1px solid var(--color-gray-light);
}

.network-map figcaption {
    padding: var(--spacing-md);
    background: var(--color-gray-light);
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    font-style: italic;
    text-align: center;
}

/* Content Sections */
.timeline-content {
    margin: var(--spacing-xl) 0;
}

.timeline-content h2 {
    font-size: 1.8rem;
    color: var(--color-primary-blue-dark);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gold-light);
}

/* Info Boxes */
.info-box,
.highlight-box {
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.info-box {
    background: linear-gradient(135deg, #f5f9fc 0%, #e8f2f8 100%);
    border-left: 4px solid var(--color-primary-blue);
}

.highlight-box {
    background: linear-gradient(135deg, #fffbf0 0%, #fff4d9 100%);
    border-left: 4px solid var(--color-gold);
}

.info-box h3,
.highlight-box h3 {
    font-size: 1.3rem;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary-blue-dark);
}

.info-box p,
.highlight-box p {
    margin: 0;
    line-height: 1.7;
    color: var(--color-gray-dark);
}

/* Page Navigation */
.page-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-gray-light);
}

.nav-button {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-white);
    color: var(--color-primary-blue);
    text-decoration: none;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--color-primary-blue);
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
    display: inline-block;
}

.nav-button:hover {
    background: var(--color-primary-blue);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 1.8rem;
    }

    .page-subtitle {
        font-size: 1rem;
    }

    .timeline-content h2 {
        font-size: 1.5rem;
    }

    .page-navigation {
        flex-direction: column;
    }

    .breadcrumb {
        font-size: 0.85rem;
        flex-wrap: wrap;
    }

    .info-box,
    .highlight-box {
        padding: var(--spacing-md);
    }
}