* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
}

/* Utility classes for responsive display */
.mobile-only {
    display: none !important;
}

.desktop-only {
    display: block !important;
}

/* Desktop Navbar (60px height) */
.desktop-navbar {
    display: block;
    height: 60px;
    padding: 0.5rem 1rem;
}

.desktop-navbar .container-fluid {
    height: 100%;
}

.desktop-navbar .navbar-brand {
    font-size: 1.1rem;
    font-weight: 600;
}

.desktop-navbar .btn-sm {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
}

/* Language button flags - ensure proper rendering */
#langEn, #langVi {
    font-size: 1.2rem;
    font-family: "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji", "Apple Color Emoji", sans-serif;
    min-width: 40px;
}

#langEn.active, #langVi.active {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: #fff;
}

/* Mobile Compact Navbar (Single line, ~40px height) */
.mobile-compact-navbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: #212529;
    z-index: 1001;
    padding: 0 10px;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

.icon-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.3rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-radius: 4px;
    padding: 0;
    line-height: 1;
}

.icon-btn:hover,
.icon-btn:focus {
    background: rgba(255, 255, 255, 0.1);
}

.icon-btn:active {
    background: rgba(255, 255, 255, 0.2);
}

#map {
    height: calc(100vh - 60px); /* Full screen minus 60px navbar */
    width: 100%;
    z-index: 1;
}

/* Remove map grid lines */
#map .leaflet-overlay-pane svg path[stroke="#ddd"],
#map .leaflet-overlay-pane svg path[stroke="#ccc"],
#map .leaflet-grid-line,
.leaflet-grid-label {
    display: none !important;
}

.timeline-controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(33, 37, 41, 0.95);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.info-panel {
    position: absolute;
    top: 70px;
    right: 10px;
    width: 350px;
    max-height: calc(100vh - 280px);
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.info-panel.active {
    display: block;
}

/* Left Illustration Panel (DEPRECATED - keeping for mobile fallback) */
.illustration-panel {
    position: absolute;
    top: 100px;
    left: 10px;
    width: 400px;
    max-height: calc(100vh - 250px);
    z-index: 998;
    background: transparent;
    transition: opacity 0.3s ease-in-out;
    display: none; /* Hidden by default - replaced by desktop side panel */
}

/* Desktop Smart Side Panel (380px width) */
.desktop-side-panel {
    position: fixed;
    top: 60px;
    right: 0;
    width: 380px;
    height: calc(100vh - 60px); /* Will be adjusted in media query for timeline */
    background: rgba(255, 255, 255, 0.98);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 999;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.desktop-side-panel.collapsed {
    transform: translateX(380px);
}

.side-panel-close {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 100%;
}

.side-panel-close:hover {
    background: linear-gradient(135deg, #0a58ca 0%, #084298 100%);
}

.side-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.side-panel-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #198754;
}

.side-panel-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #198754;
    margin: 0 0 8px 0;
}

.side-panel-subtitle {
    font-size: 0.95rem;
    color: #6c757d;
    margin: 0;
    font-weight: 500;
}

/* Side Panel Gallery Grid (4 images per row) */
.side-panel-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.side-panel-gallery-image {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.side-panel-gallery-image:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.side-panel-gallery-placeholder {
    width: 100%;
    height: 100px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #adb5bd;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.side-panel-section {
    margin-bottom: 20px;
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    color: #0d6efd;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-text {
    font-size: 0.9rem;
    color: #495057;
    line-height: 1.6;
    margin: 0;
}

/* Mini Timeline in Side Panel */
.mini-timeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    position: relative;
    margin: 10px 0;
}

.mini-timeline::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #198754 0%, #0d6efd 50%, #dc3545 100%);
    transform: translateY(-50%);
    z-index: 0;
}

.mini-timeline-marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: white;
    border: 3px solid #6c757d;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 1;
    position: relative;
}

.mini-timeline-marker:hover {
    transform: scale(1.3);
    border-color: #0d6efd;
}

.mini-timeline-marker.active {
    width: 16px;
    height: 16px;
    border-color: #198754;
    background: #198754;
    box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.3);
}

.mini-timeline-marker.visited {
    border-color: #0d6efd;
    background: #0d6efd;
}

/* Desktop Bottom Timeline (Full width, all 29 stops) */
.desktop-timeline-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0; /* Full width - edge to edge */
    height: 100px;
    background: rgba(33, 37, 41, 0.95);
    z-index: 998;
    overflow: hidden; /* Hide scroll bars, use arrows instead */
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 -3px 15px rgba(0, 0, 0, 0.3);
    display: none; /* Hidden by default, shown on desktop */
}

.desktop-timeline-content {
    display: flex;
    align-items: center;
    min-width: 100%;
    width: max-content;
    height: 100%;
    padding: 15px 60px; /* Add space for arrow buttons */
    position: relative;
    transition: transform 0.3s ease;
}

.desktop-timeline-track {
    position: absolute;
    top: 45px;
    left: 60px;
    right: 60px;
    height: 3px;
    background: linear-gradient(90deg, #198754 0%, #0d6efd 50%, #dc3545 100%);
}

.desktop-timeline-markers {
    display: flex;
    gap: 0;
    position: relative;
    z-index: 1;
}

.desktop-timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 50px; /* Reduced from 80px for tighter spacing */
    padding: 0 5px; /* Reduced from 10px */
    cursor: pointer;
    transition: all 0.2s ease;
}

.desktop-timeline-marker:hover {
    transform: translateY(-3px);
}

.desktop-timeline-year {
    font-size: 0.85rem;
    font-weight: 700;
    color: #ffc107;
    margin-bottom: 8px;
}

.desktop-timeline-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    border: 3px solid #6c757d;
    transition: all 0.2s ease;
    margin-bottom: 8px;
}

.desktop-timeline-marker:hover .desktop-timeline-dot {
    transform: scale(1.3);
    border-color: #0d6efd;
}

.desktop-timeline-marker.active .desktop-timeline-dot {
    width: 18px;
    height: 18px;
    border-color: #198754;
    background: #198754;
    box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.3);
}

.desktop-timeline-marker.outward .desktop-timeline-dot {
    border-color: #0d6efd;
}

.desktop-timeline-marker.return .desktop-timeline-dot {
    border-color: #dc3545;
}

.desktop-timeline-marker.active.outward .desktop-timeline-dot {
    background: #0d6efd;
    border-color: #0d6efd;
}

.desktop-timeline-marker.active.return .desktop-timeline-dot {
    background: #dc3545;
    border-color: #dc3545;
}

.desktop-timeline-city {
    font-size: 0.7rem; /* Slightly smaller for tighter spacing */
    color: #e9ecef;
    text-align: center;
    line-height: 1.2;
    max-width: 50px; /* Reduced to match marker width */
    word-wrap: break-word;
}

/* Navigation arrow buttons */
.desktop-timeline-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #212529;
    z-index: 1000;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.desktop-timeline-nav:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.4);
}

.desktop-timeline-nav:active {
    transform: translateY(-50%) scale(0.95);
}

.desktop-timeline-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.desktop-timeline-nav:disabled:hover {
    transform: translateY(-50%);
}

.desktop-timeline-nav-prev {
    left: 10px;
}

.desktop-timeline-nav-next {
    right: 10px;
}

.illustration-panel.active {
    display: block;
}

.illustration-panel .card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.98);
    transition: transform 0.3s ease-in-out;
}

.illustration-panel .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

.illustration-panel .card-title {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #0d6efd;
}

/* Right Summary Panel (DEPRECATED - replaced by desktop-side-panel) */
.summary-panel {
    display: none !important; /* Hidden - replaced by desktop-side-panel */
    position: absolute;
    top: 100px;
    right: 10px;
    width: 450px;
    max-height: calc(100vh - 250px);
    overflow-y: auto;
    z-index: 998;
    transition: opacity 0.3s ease-in-out;
}

.summary-panel .card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.98);
    transition: transform 0.3s ease-in-out;
}

.summary-panel .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
}

.summary-panel .card-title {
    font-size: 1rem;
    margin-bottom: 15px;
    color: #198754;
    border-bottom: 2px solid #198754;
    padding-bottom: 5px;
}

.summary-item {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-item.compact {
    display: inline;
}

.summary-item.compact strong {
    margin-right: 5px;
}

/* Toggle buttons for panels */
.panel-toggle-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    z-index: 1001;
    background: rgba(13, 110, 253, 0.9);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 5px 10px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.panel-toggle-btn:hover {
    background: rgba(13, 110, 253, 1);
    transform: scale(1.05);
}

/* Toggle button for showing illustration panel (DEPRECATED) */
.show-images-btn {
    display: none !important; /* Hidden - images now in side panel */
    position: fixed;
    top: 110px;
    left: 10px;
    z-index: 999;
    background: rgba(13, 110, 253, 0.9);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 15px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.show-images-btn:hover {
    background: rgba(13, 110, 253, 1);
    transform: scale(1.05);
}

/* Collapsible details section */
.details-collapsible {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.details-collapsible.expanded {
    max-height: 2000px;
    transition: max-height 0.5s ease-in;
}

.summary-item.compact::after {
    content: "; ";
    margin-right: 5px;
}

.summary-item.compact:last-child::after {
    content: "";
}

.summary-item strong {
    color: #495057;
    font-size: 0.9rem;
}

.summary-item span {
    color: #212529;
    font-weight: 500;
    font-size: 0.9rem;
}

#summaryDetails {
    font-size: 0.85rem;
    color: #495057;
    line-height: 1.5;
}

.compact-info {
    line-height: 1.8;
    margin-bottom: 12px;
}

.compact-info strong {
    color: #495057;
}

#summaryDetailsTitle {
    font-size: 0.95rem;
    color: #0d6efd;
    margin-bottom: 10px;
}

/* Quote styling */
.quote-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-left: 4px solid #0d6efd;
    padding: 10px 12px;
    margin: 12px 0;
    border-radius: 6px;
}

.quote-text {
    font-size: 0.9rem;
    color: #2c3e50;
    line-height: 1.5;
    margin-bottom: 6px;
    font-style: italic;
}

.quote-attribution {
    font-size: 0.8rem;
    color: #6c757d;
    text-align: right;
    margin: 0;
    font-weight: 500;
}

/* Map location labels */
.location-label {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 2px 4px !important;
    font-size: 0.7rem !important;
    font-weight: 600 !important;
    color: #fff !important;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8), 0 0 5px rgba(0, 0, 0, 0.6) !important;
    box-shadow: none !important;
    text-align: center !important;
    white-space: nowrap !important;
}

.location-label::before {
    display: none !important;
}

.location-label-hover {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 2px 4px !important;
    font-size: 0.65rem !important;
    font-weight: 600 !important;
    color: #fff !important;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8), 0 0 5px rgba(0, 0, 0, 0.6) !important;
    box-shadow: none !important;
}

/* Journey direction arrows - REMOVED per user requirements */

/* Carousel Styles */
.illustration-carousel {
    position: relative;
    width: 100%;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    border-radius: 8px;
    background: #f8f9fa;
}

.carousel-images {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease-in-out;
}

.carousel-image {
    min-width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.carousel-image.loaded {
    opacity: 1;
}

/* Responsive images for different screen sizes */
@media (max-width: 768px) {
    .carousel-image {
        object-fit: contain;
    }
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    font-size: 2rem;
    padding: 10px 15px;
    cursor: pointer;
    z-index: 10;
    border-radius: 4px;
    transition: background 0.3s;
}

.carousel-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

.carousel-btn.prev {
    left: 10px;
}

.carousel-btn.next {
    right: 10px;
}

.carousel-caption {
    margin-top: 10px;
    font-size: 0.85rem;
    color: #6c757d;
    text-align: center;
    font-style: italic;
}

.carousel-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 1rem;
    text-align: center;
    padding: 20px;
    flex-direction: column;
}

.carousel-placeholder h5 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.carousel-placeholder p {
    margin: 5px 0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.carousel-placeholder .location-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.info-panel .card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.location-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 10px;
    border-radius: 5px;
}

.marker-popup {
    max-width: 300px;
}

.marker-popup h6 {
    margin-bottom: 10px;
    color: #0d6efd;
}

.marker-popup .duration {
    font-weight: bold;
    color: #198754;
}

.marker-popup .modern-name {
    font-style: italic;
    color: #6c757d;
}

/* Custom marker styles */
.journey-marker {
    background-color: #dc3545;
    border: 2px solid #fff;
    border-radius: 50%;
    width: 12px;
    height: 12px;
}

.journey-marker.start {
    background-color: #28a745;
    width: 20px;
    height: 20px;
    box-shadow: 0 0 10px rgba(40, 167, 69, 0.8), 0 0 20px rgba(40, 167, 69, 0.5);
    border: 3px solid #fff;
    animation: pulse-start 2s ease-in-out infinite;
}

@keyframes pulse-start {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.15);
        opacity: 0.9;
    }
}

.journey-marker.end {
    background-color: #ffc107;
    width: 20px;
    height: 20px;
    box-shadow: 0 0 10px rgba(255, 193, 7, 0.8), 0 0 20px rgba(255, 193, 7, 0.5);
    border: 3px solid #fff;
    animation: pulse-end 2s ease-in-out infinite;
}

@keyframes pulse-end {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.15);
        opacity: 0.9;
    }
}

.journey-marker.major {
    background-color: #0d6efd;
    width: 14px;
    height: 14px;
}

/* Language button styles */
.btn-group .btn.active {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

/* Location Search Styles */
.location-search {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    z-index: 1001;
    padding: 10px;
}

.location-search input {
    width: 100%;
    border-radius: 20px;
    padding: 8px 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border: 2px solid #dee2e6;
}

.location-search input:focus {
    border-color: #0d6efd;
    box-shadow: 0 2px 12px rgba(13, 110, 253, 0.25);
    outline: none;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 10px;
    right: 10px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-height: 400px;
    overflow-y: auto;
    margin-top: 5px;
    display: none;
    z-index: 1002;
}

.search-result-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s;
}

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

.search-result-item:hover {
    background-color: #f8f9fa;
}

.search-result-item.no-results {
    cursor: default;
    color: #6c757d;
    text-align: center;
}

.search-result-item.no-results:hover {
    background-color: white;
}

.search-result-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
    font-size: 0.85rem;
}

.search-result-meta .text-muted {
    font-size: 0.8rem;
}

.search-result-meta .badge {
    font-size: 0.7rem;
}

/* Share Button Styles */
.share-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.share-btn {
    flex: 1;
    min-width: 120px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 0.85rem;
}

.share-btn svg {
    width: 16px;
    height: 16px;
}

/* Share notification animations */
@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* Journey path styles */
.journey-path {
    stroke: #dc3545;
    stroke-width: 3;
    stroke-opacity: 0.7;
    fill: none;
}

.journey-path-completed {
    stroke: #198754;
    stroke-width: 3;
    stroke-opacity: 0.9;
}

/* Mobile Bottom Panel Styles */
.mobile-bottom-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    height: 50vh;
    display: flex;
    flex-direction: column;
}

/* Mobile Content Wrapper - Two column layout */
.mobile-content-wrapper {
    display: flex;
    height: 100%;
    overflow: hidden;
}

/* Vertical Timeline on the left */
.mobile-vertical-timeline {
    width: 25%;
    max-width: 100px;
    min-width: 80px;
    flex-shrink: 0;
    background: rgba(33, 37, 41, 0.95);
    overflow-y: auto;
    overflow-x: hidden;
    border-right: 2px solid rgba(255, 255, 255, 0.1);
    padding: 10px 5px;
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 193, 7, 0.5) rgba(33, 37, 41, 0.5);
    /* Snap scrolling */
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

.mobile-vertical-timeline::-webkit-scrollbar {
    width: 4px;
}

.mobile-vertical-timeline::-webkit-scrollbar-track {
    background: rgba(33, 37, 41, 0.5);
}

.mobile-vertical-timeline::-webkit-scrollbar-thumb {
    background: rgba(255, 193, 7, 0.5);
    border-radius: 2px;
}

/* Timeline item in vertical layout */
.mobile-timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    scroll-snap-align: center;
    scroll-snap-stop: always;
}

.mobile-timeline-item::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    width: 2px;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
}

.mobile-timeline-item:last-child::after {
    display: none;
}

/* Adjacent items have reduced opacity */
.mobile-timeline-item {
    opacity: 0.5;
}

.mobile-timeline-item.active {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    opacity: 1;
    transform: scale(1.05);
}

/* Items adjacent to active have slightly higher opacity */
.mobile-timeline-item.adjacent {
    opacity: 0.7;
}

.mobile-timeline-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    border: 3px solid #6c757d;
    margin-bottom: 6px;
    transition: all 0.3s ease;
}

.mobile-timeline-item.active .mobile-timeline-dot {
    width: 20px;
    height: 20px;
    border-width: 4px;
    box-shadow: 0 0 0 4px rgba(25, 135, 84, 0.4);
}

/* Outward journey - Blue dots */
.mobile-timeline-item.outward .mobile-timeline-dot {
    border-color: #0d6efd;
    background: #0d6efd;
}

/* Return journey - Red dots */
.mobile-timeline-item.return .mobile-timeline-dot {
    border-color: #dc3545;
    background: #dc3545;
}

.mobile-timeline-item.active.outward .mobile-timeline-dot {
    background: #0d6efd;
    border-color: #0d6efd;
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.4);
}

.mobile-timeline-item.active.return .mobile-timeline-dot {
    background: #dc3545;
    border-color: #dc3545;
    box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.4);
}

.mobile-timeline-year {
    font-size: 0.84rem; /* Increased by 20% from 0.7rem */
    font-weight: 700;
    color: #ffc107;
    margin-bottom: 3px;
    text-align: center;
    line-height: 1;
}

.mobile-timeline-city {
    font-size: 0.54rem; /* Increased by 20% from 0.45rem */
    color: #e9ecef;
    text-align: center;
    line-height: 1.2;
    word-wrap: break-word;
    max-width: 70px;
}

/* Main content area on the right */
.mobile-main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Mobile Image Gallery (Full-width swipeable carousel) */
.mobile-image-gallery {
    flex: 0 0 auto;
    height: 45%;
    position: relative;
    background: #000;
    overflow: hidden;
}

.gallery-carousel {
    display: flex;
    height: 100%;
    transition: transform 0.3s ease-out;
    cursor: grab;
}

.gallery-carousel:active {
    cursor: grabbing;
}

.gallery-carousel-item {
    flex: 0 0 100%;
    height: 100%;
    position: relative;
}

.gallery-carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Text overlay on images */
.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 15px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 70%, transparent 100%);
    pointer-events: none;
}

.overlay-text {
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.overlay-city {
    font-size: 1.26rem; /* Increased by 20% from 1.05rem */
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.2;
}

.overlay-location {
    font-size: 0.84rem; /* Increased by 20% from 0.7rem */
    font-weight: 500;
    opacity: 0.95;
}

/* Pagination dots */
.gallery-pagination {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.pagination-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    cursor: pointer;
}

.pagination-dot.active {
    width: 24px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.95);
}

/* Mobile Description Panel */
.mobile-description-panel {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: white;
}

#mobileStationDetails {
    font-size: 0.8rem; /* Increased by 20% from 0.67rem */
    line-height: 1.7;
    color: #495057;
}

#mobileStationDetails h6 {
    font-size: 0.92rem; /* Increased by 20% from 0.77rem */
    font-weight: 600;
    color: #198754;
    margin-bottom: 10px;
    border-bottom: 2px solid #198754;
    padding-bottom: 6px;
    margin-top: 16px;
}

#mobileStationDetails h6:first-child {
    margin-top: 0;
}

#mobileStationDetails p {
    margin-bottom: 12px;
}

#mobileStationDetails strong {
    color: #212529;
    font-weight: 600;
}

/* Pulsing marker animation for active location */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(25, 135, 84, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(25, 135, 84, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(25, 135, 84, 0);
    }
}

.marker-pulse {
    animation: pulse 2s infinite;
}

/* Dimmed markers for inactive locations */
.marker-dimmed {
    opacity: 0.4;
    filter: grayscale(50%);
}
.image-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    position: relative;
    max-width: 95vw;
    max-height: 95vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    display: block;
}

.lightbox-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 60px;
    background: rgba(255, 255, 255, 0.8);
    border: none;
    font-size: 2.5rem;
    line-height: 1;
    cursor: pointer;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev {
    left: 10px;
    border-radius: 0 8px 8px 0;
}

.lightbox-next {
    right: 10px;
    border-radius: 8px 0 0 8px;
}

.lightbox-caption {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.9rem;
    max-width: 90%;
    text-align: center;
}

/* Responsive design */
@media (max-width: 768px) {
    /* Show mobile elements, hide desktop elements */
    .mobile-only {
        display: flex !important;
    }
    
    .desktop-only,
    .desktop-navbar,
    .desktop-side-panel {
        display: none !important;
    }
    
    .mobile-compact-navbar {
        display: flex !important;
    }
    
    #map {
        height: 70vh; /* Map takes top 70% of screen */
        width: 100%;
        margin-top: 40px;
    }
    
    .location-search {
        top: 60px;
        width: 95%;
        padding: 5px;
    }
    
    .location-search input {
        font-size: 14px;
        padding: 6px 12px;
    }
    
    /* Hide old info panel on mobile */
    .info-panel {
        display: none !important;
    }
    
    /* Mobile bottom panel takes 30% of screen */
    .mobile-bottom-panel {
        height: 30vh;
    }
    
    .location-text {
        font-size: 0.9rem; /* Increased by 20% from 0.75rem */
    }
    
    .gallery-image {
        width: 40px; /* Mini thumbnails as specified */
        height: 30px;
        border-radius: 4px;
    }
    
    .gallery-placeholder {
        width: 40px;
        height: 30px;
        font-size: 1rem;
        border-radius: 4px;
    }
    
    .mobile-timeline-container {
        margin-bottom: 8px; /* Increased from 5px for better spacing */
    }
    
    .timeline-controls {
        display: none !important;
    }
}

/* All mobile phones in vertical mode - map 70%, panel 30% */
@media (max-width: 768px) {
    #map {
        height: 70vh !important;
    }
    
    .mobile-bottom-panel {
        height: 30vh !important;
    }
}


@media (min-width: 769px) and (max-width: 1023px) {
    /* Tablet optimization - use mobile-like bottom panel */
    .desktop-side-panel {
        display: none !important;
    }
    
    .mobile-bottom-panel {
        display: flex !important;
    }
    
    #map {
        height: calc(100vh - 60px - 150px); /* navbar + bottom panel */
    }
}

@media (min-width: 1024px) {
    /* Desktop optimization - full screen map with side panel and bottom timeline */
    .desktop-side-panel {
        display: flex !important;
        height: calc(100vh - 60px - 100px); /* navbar height - timeline height */
    }
    
    .mobile-bottom-panel {
        display: none !important;
    }
    
    #map {
        height: calc(100vh - 60px - 100px); /* navbar height - timeline height */
        width: calc(100% - 380px); /* Full width minus side panel */
    }
    
    /* Show desktop bottom timeline */
    .desktop-timeline-container {
        display: block !important;
    }
    
    /* Enhanced timeline hidden on desktop */
    .enhanced-timeline-container {
        display: none !important;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 0.9rem;
    }
    
    /* Ensure all buttons meet minimum touch target size (44x44px) */
    .btn, button {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Make language buttons larger for easier tapping */
    .btn-group .btn {
        padding: 10px 15px;
        font-size: 0.95rem;
    }
    
    .info-panel .card-title {
        font-size: 1rem;
    }
    
    .info-panel .card-text {
        font-size: 0.875rem;
    }
    
    /* Improve carousel caption readability */
    .carousel-caption {
        font-size: 0.8rem;
    }
    
    /* Make illustration panel take more screen space on small devices */
    .illustration-panel.active {
        top: 60px;
        bottom: 150px;
        left: 5px;
        right: 5px;
        max-height: calc(100vh - 210px);
    }
    
    .carousel-container {
        height: 200px;
    }
}

/* Loading animation */
.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2000;
}

/* Smooth scrolling for info panel */
.info-panel::-webkit-scrollbar {
    width: 6px;
}

.info-panel::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.info-panel::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.info-panel::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Content sections for location details */
.content-section {
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px solid #e9ecef;
}

.content-section h6 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #495057;
    margin-bottom: 8px;
}

.content-section p {
    line-height: 1.6;
    color: #6c757d;
}

/* Improve summary panel scrolling */
.summary-panel .card-body {
    max-height: calc(100vh - 350px);
    overflow-y: auto;
}

.summary-panel .card-body::-webkit-scrollbar {
    width: 6px;
}

.summary-panel .card-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.summary-panel .card-body::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.summary-panel .card-body::-webkit-scrollbar-thumb:hover {
    background: #555;
}