/**
 * North Downs Way 3D Explorer - Styles
 * Diorama-style 3D terrain visualization
 */

/* CSS Variables for consistent theming */
:root {
    --primary-bg: linear-gradient(135deg, #1a4f3a 0%, #0d1b13 100%);
    --secondary-bg: rgba(26, 79, 58, 0.9);
    --accent-color: #ff6b35;
    --route-color: #ff6b35;
    --route-glow: rgba(255, 107, 53, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #b8d4c8;
    --border-color: rgba(255, 255, 255, 0.2);
    --shadow-dark: rgba(0, 0, 0, 0.6);
    --warning-bg: #ffd60a;
    --warning-text: #003566;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* Warning Banner */
.warning-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--warning-bg);
    color: var(--warning-text);
    padding: 12px 20px;
    font-weight: 600;
    z-index: 10000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px var(--shadow-dark);
}

.warning-banner button {
    background: none;
    border: none;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    color: var(--warning-text);
    padding: 0 5px;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-content {
    text-align: center;
    animation: fadeInUp 0.6s ease-out;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loading-content h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.loading-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Main Application */
.app-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.5s ease-in, width 0.3s ease;
    width: 100%;
}

.app-container.loaded {
    opacity: 1;
}

/* App Container when gallery is open */
.app-container.gallery-open {
    width: calc(100% - 400px);
}

/* Header */
.app-header {
    background: var(--secondary-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    box-shadow: 0 2px 20px var(--shadow-dark);
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.app-title {
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    position: relative;
}

/* Experience Selector Dropdown */
.experience-selector {
    position: relative;
    margin-left: 8px;
}

.experience-dropdown-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    font-size: 0.8rem;
}

.experience-dropdown-btn:hover {
    color: var(--accent-color);
    background: rgba(255, 107, 53, 0.1);
}

.dropdown-arrow {
    transition: transform 0.2s ease;
}

.experience-dropdown-btn.open .dropdown-arrow {
    transform: rotate(180deg);
}

.experience-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    z-index: 1000;
    min-width: 250px;
    overflow: hidden;
    transform: translateY(4px);
    transition: all 0.2s ease;
}

.experience-dropdown.hidden {
    display: none;
}

.experience-option {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.experience-option:last-child {
    border-bottom: none;
}

.experience-option:hover {
    background: rgba(255, 107, 53, 0.1);
}

.experience-option.active {
    background: rgba(255, 107, 53, 0.2);
    border-left: 3px solid var(--accent-color);
}

.experience-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.experience-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.title-icon {
    font-size: 1.6rem;
}

.route-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.route-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.route-nav-btn {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
    backdrop-filter: blur(10px);
    transition: all 0.2s ease;
    outline: none;
}

.route-nav-btn:hover {
    border-color: var(--accent-color);
    background: rgba(26, 79, 58, 0.95);
    transform: translateY(-1px);
}

.route-nav-btn:active {
    transform: translateY(0);
}

.route-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.route-nav-btn:disabled:hover {
    border-color: var(--border-color);
    background: var(--secondary-bg);
    transform: none;
}

.route-dropdown {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(10px);
    min-width: 250px;
    outline: none;
    transition: all 0.2s ease;
}

.route-dropdown:hover {
    border-color: var(--accent-color);
    background: rgba(26, 79, 58, 0.95);
}

.route-dropdown:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 107, 53, 0.2);
}

.route-dropdown option {
    background: var(--secondary-bg);
    color: var(--text-primary);
    padding: 8px;
}

/* Map Container - Diorama Effect */
.map-container {
    flex: 1;
    position: relative;
    padding: 20px;
    background: var(--primary-bg);
    transition: width 0.3s ease;
}

/* Map Container when gallery is open */
.map-container.gallery-open {
    width: calc(100% - 400px);
}

.map {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    box-shadow: 
        0 20px 60px var(--shadow-dark),
        0 8px 25px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

/* Diorama base effect */
.map::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 10px;
    right: 10px;
    height: 20px;
    background: linear-gradient(to bottom, transparent, var(--shadow-dark));
    border-radius: 50%;
    z-index: -1;
    filter: blur(8px);
}

/* Map Controls */
.map-controls {
    position: absolute;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 200;
}

.control-btn {
    width: 44px;
    height: 44px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.control-btn:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.control-btn:active {
    transform: translateY(0);
}

.control-btn.active {
    background: var(--accent-color) !important;
    color: white !important;
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 15px rgba(255, 107, 53, 0.4) !important;
}

.control-btn.active:hover {
    background: #ff8b3d !important;
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.6) !important;
}

/* Map Legend */
.map-legend {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    min-width: 160px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 200;
}

.map-legend h4 {
    margin-bottom: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.legend-item:last-child {
    margin-bottom: 0;
}

.legend-line {
    width: 20px;
    height: 3px;
    border-radius: 2px;
}

.route-line {
    background: linear-gradient(90deg, var(--route-color), var(--accent-color));
    box-shadow: 0 0 6px var(--route-glow);
}

.legend-marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--text-primary);
}

.start-marker {
    background: #10b981;
}

.end-marker {
    background: var(--route-color);
}

/* Status Bar */
.status-bar {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 12px 20px;
    display: flex;
    gap: 30px;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
}

.status-item {
    display: flex;
    gap: 6px;
}

.status-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.status-value {
    color: var(--text-primary);
    font-weight: 600;
}

/* Animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-header {
        padding: 12px 15px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .app-title {
        font-size: 1.2rem;
    }
    
    .map-container {
        padding: 15px;
    }
    
    .map-controls {
        bottom: 20px;
        right: 20px;
    }
    
    .map-legend {
        bottom: 20px;
        left: 20px;
        font-size: 0.75rem;
        padding: 12px;
        min-width: 140px;
    }
    
    .status-bar {
        flex-wrap: wrap;
        gap: 15px;
        padding: 10px 15px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .map-legend {
        position: static;
        margin: 10px 0;
        background: var(--secondary-bg);
        border-radius: 6px;
    }
    
    .map-container {
        padding: 10px;
    }
    
    .status-bar {
        justify-content: space-between;
    }
}

/* Mapbox Popup Styling */
.mapboxgl-popup {
    max-width: 240px;
}

.mapboxgl-popup-content {
    background: var(--secondary-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    padding: 15px !important;
    color: var(--text-primary) !important;
    font-size: 0.9rem !important;
    line-height: 1.4 !important;
    backdrop-filter: blur(10px) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3) !important;
}

.mapboxgl-popup-content strong {
    color: var(--accent-color) !important;
    font-weight: 700 !important;
}

.mapboxgl-popup-close-button {
    background: var(--accent-color) !important;
    color: white !important;
    border: none !important;
    border-radius: 50% !important;
    width: 24px !important;
    height: 24px !important;
    font-size: 16px !important;
    font-weight: bold !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    position: absolute !important;
    top: 8px !important;
    right: 8px !important;
    transition: all 0.2s ease !important;
}

.mapboxgl-popup-close-button:hover {
    background: #ff8b3d !important;
    transform: scale(1.1) !important;
}

.mapboxgl-popup-tip {
    border-top-color: var(--secondary-bg) !important;
    border-bottom-color: var(--secondary-bg) !important;
}

/* Image Thumbnail Markers */
.image-thumbnail-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid white;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    background: white;
    opacity: 0.5 !important; /* Override Mapbox inline styles */
}

.image-thumbnail-marker:hover {
    transform: scale(1.15);
    border-color: var(--accent-color);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    opacity: 1.0 !important; /* Override Mapbox inline styles */
}

.image-thumbnail-marker.focused {
    border-color: var(--accent-color) !important; /* Orange border when focused */
    border-width: 4px !important; /* Thicker border for focus */
    opacity: 1.0 !important; /* Full opacity when focused */
    box-shadow: 0 0 15px rgba(255, 107, 53, 0.6), 0 0 25px rgba(255, 107, 53, 0.3) !important; /* Orange glow effect */
    border-radius: 60% !important; /* Slightly more rounded when focused */
}

.image-thumbnail-marker img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: inherit; /* Ensure images inherit the marker's opacity */
}

/* Image Popup Styling */
.image-popup {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 280px;
}

.popup-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--border-color);
}

.image-info {
    flex: 1;
    min-width: 0;
}

.image-info strong {
    display: block;
    margin-bottom: 4px;
    word-break: break-word;
}

.image-info small {
    display: block;
    color: var(--text-secondary) !important;
    margin: 2px 0;
    line-height: 1.3;
}

/* Photo Gallery Panel */
.photo-gallery-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    background: var(--secondary-bg);
    border-left: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

.photo-gallery-panel:not(.hidden) {
    transform: translateX(0);
}

.photo-gallery-panel.hidden {
    transform: translateX(100%);
}

/* Gallery Header */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(26, 79, 58, 0.95);
}

.gallery-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-gallery-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    padding: 5px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    line-height: 1;
}

.close-gallery-btn:hover {
    background: var(--accent-color);
    color: white;
}

/* Photo Viewer */
.photo-viewer {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.gallery-photo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    transition: opacity 0.3s ease;
}

.photo-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
}

.photo-loading.active {
    display: block;
}

/* Photo Controls */
.photo-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(26, 79, 58, 0.9);
}

.photo-controls .nav-btn {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.photo-controls .nav-btn:hover:not(:disabled) {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-1px);
}

.photo-controls .nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.photo-counter {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Map Controls Section */
.map-controls-section {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(26, 79, 58, 0.8);
}

.zoom-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.zoom-control label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 70px;
}

.zoom-control .zoom-slider {
    flex: 1;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.zoom-control .zoom-slider::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.zoom-control .zoom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.4);
}

.zoom-control .zoom-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

#zoom-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 30px;
    text-align: center;
}

/* Photo Info */
.photo-info {
    padding: 15px 20px;
    background: rgba(26, 79, 58, 0.9);
}

.photo-info > div {
    margin-bottom: 8px;
}

.photo-info > div:last-child {
    margin-bottom: 0;
}

.route-info {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
}

.photo-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.photo-details span {
    font-weight: 500;
}

.photo-coordinates {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-block;
}

/* Responsive Design for Gallery */
@media (max-width: 768px) {
    .photo-gallery-panel {
        width: 100vw;
        right: 0;
    }
    
    .photo-controls {
        padding: 12px 15px;
    }
    
    .photo-controls .nav-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .map-controls-section,
    .photo-info {
        padding: 12px 15px;
    }
}

@media (max-width: 480px) {
    .photo-controls {
        flex-direction: column;
        gap: 10px;
    }
    
    .photo-controls .nav-btn {
        width: 100%;
    }
    
    .photo-counter {
        order: -1;
    }
}

/* High DPI Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .map {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    
    .gallery-photo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.control-btn:focus,
.warning-banner button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Dark mode support (already dark by default) */
@media (prefers-color-scheme: light) {
    /* Keep dark theme even in light mode for the diorama effect */
}