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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* Header */
.header {
    background: #ffffff; /* Clean white background */
    color: #333;
    padding: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border-bottom: 1px solid #e0e0e0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 50px;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c5530;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.2s ease;
    user-select: none;
}

.header h1:hover {
    color: #3d7540;
    transform: scale(1.02);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.header-controls {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

/* Hide mobile trails button on desktop - only hide when NOT on mobile */
@media (min-width: 769px) {
    .mobile-trails-fab {
        display: none !important;
    }
}

.btn-primary {
    background: linear-gradient(135deg, #e94560 0%, #d63384 100%);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d63384 0%, #e94560 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-1px);
}

.btn-about {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(23, 162, 184, 0.3);
}

.btn-about:hover {
    background: linear-gradient(135deg, #138496 0%, #17a2b8 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.4);
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Description Panel */
.description-panel {
    width: 400px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-left: 1px solid rgba(0,0,0,0.1);
    overflow-y: auto;
    display: none;
    flex-direction: column;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
}

.description-panel.active {
    display: flex;
}

.description-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e0e0e0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.description-header h2 {
    color: #1a1a2e;
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.description-header .trail-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.description-content {
    padding: 1.5rem;
    flex: 1;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    margin: 0.5rem;
}

.trail-description {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #1a1a2e;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.5);
    padding: 1rem;
    border-radius: 6px;
}

.trail-images {
    margin-bottom: 1.5rem;
}

.trail-images h3 {
    color: #1a1a2e;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.image-gallery img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.image-gallery img:hover {
    transform: scale(1.05);
}

.close-description {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #666;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.close-description:hover {
    background-color: #f0f0f0;
    color: #333;
}

/* Sidebar */
.sidebar {
    width: 350px;
    background-color: white;
    border-right: 1px solid #e0e0e0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-section {
    padding: 1.5rem;
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-section h3 {
    margin-bottom: 1rem;
    color: #2c5530;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Form Elements */
.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: white;
}

.form-select:focus {
    outline: none;
    border-color: #4a7c59;
    box-shadow: 0 0 0 2px rgba(74, 124, 89, 0.2);
}

/* Searchable Input Styles */
.form-input.searchable {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: white;
    transition: border-color 0.3s ease;
}

.form-input.searchable:hover:not(:disabled) {
    border-color: #5a8f5a;
}

.form-input.searchable:focus {
    outline: none;
    border-color: #4a7c59;
    box-shadow: 0 0 0 2px rgba(74, 124, 89, 0.2);
}

.form-input.searchable:disabled {
    background-color: #f0f0f0;
    cursor: not-allowed;
    color: #999;
}

/* Autocomplete Dropdown */
.form-group {
    position: relative; /* Make parent relative for absolute positioning */
}

.autocomplete-dropdown {
    position: absolute;
    width: 100%;
    max-height: 250px;
    overflow-y: auto;
    background: white;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    margin-top: -6px;
}

.autocomplete-dropdown.show {
    display: block;
}

.autocomplete-item {
    padding: 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid #f0f0f0;
}

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

.autocomplete-item:hover {
    background-color: #f5f5f5;
}

.autocomplete-item.selected {
    background-color: #e8f5e9;
    color: #2c5530;
    font-weight: 500;
}

.autocomplete-item.highlighted {
    background-color: #e8f5e9;
}

.autocomplete-no-results {
    padding: 0.75rem;
    color: #999;
    text-align: center;
    font-style: italic;
}

/* Trail Filters */
.trail-filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    background-color: white;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: #4a7c59;
    color: white;
    border-color: #4a7c59;
}

/* Trail List */
.trail-list {
    max-height: 300px;
    overflow-y: auto;
}

.trail-item {
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.trail-item:hover {
    background-color: #f0f0f0;
    transform: translateX(2px);
}

.trail-item.hiked {
    border-left: 4px solid #007cbf;
    background-color: #f0f8ff;
}

.trail-item.unhiked {
    border-left: 4px solid #ffc107;
    background-color: #fffdf5;
}

.trail-item.selected {
    background-color: #e8f4f8;
    border-left: 4px solid #2c3e50;
    transform: translateX(4px);
}

.trail-item.selected .trail-name {
    color: #2c3e50;
    font-weight: 600;
}

/* Selected hiked trail - blue border, black text */
.trail-item.hiked.selected {
    border-left: 4px solid #007cbf;
    background-color: #e6f3ff;
}

.trail-item.hiked.selected .trail-name {
    color: #333; /* Keep text black even when selected */
}

/* Selected unhiked trail - yellow border, black text */
.trail-item.unhiked.selected {
    border-left: 4px solid #ffc107;
    background-color: #fffdf5;
}

.trail-item.unhiked.selected .trail-name {
    color: #333; /* Keep text black even when selected */
}

.trail-item {
    position: relative;
}

.trail-actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.trail-item:hover .trail-actions {
    opacity: 1;
}

.edit-trail-btn {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.edit-trail-btn:hover {
    background-color: #f0f0f0;
    color: #333;
    transform: scale(1.1);
}

.trail-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #333; /* Dark gray/black for all trail names */
}

.trail-info {
    font-size: 0.8rem;
    color: #666;
}

.trail-length {
    color: #4a7c59;
    font-weight: 500;
}

.trail-status {
    font-weight: 500;
    text-transform: capitalize;
}

.trail-item.hiked .trail-status {
    color: #007cbf;
}

.trail-item.unhiked .trail-status {
    color: #ffc107;
}

.trail-park {
    color: #007cbf;
    font-weight: 500;
    font-style: italic;
}

/* Statistics */
.stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

.stat-value {
    font-weight: 600;
    color: #2c5530;
    font-size: 1.1rem;
}

/* Map Container */
.map-container {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
    background-color: #e8f4f8;
}

/* Map Controls */
.map-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 1000;
}

/* Trail highlight animation */
@keyframes trailPulse {
    0% { opacity: 0.8; }
    50% { opacity: 1; }
    100% { opacity: 0.8; }
}

.trail-highlighted {
    animation: trailPulse 2s infinite;
}

.map-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 6px;
    background-color: white;
    color: #333;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-btn:hover {
    background-color: #f0f0f0;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

#debugBtn {
    background-color: #ff6b6b;
    color: white;
}

#debugBtn:hover {
    background-color: #ff5252;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    color: #2c5530;
    font-size: 1.3rem;
}

.close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal-body {
    padding: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4a7c59;
    box-shadow: 0 0 0 2px rgba(74, 124, 89, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Image Preview */
.image-preview {
    margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 6px;
    border: 2px dashed #dee2e6;
}

.image-preview-item {
    position: relative;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
}

.image-preview-item:hover {
    transform: scale(1.05);
}

.image-preview-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.image-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
    line-height: 1.2;
}

.image-info .file-name {
    display: block;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-info .file-size {
    display: block;
    opacity: 0.8;
    font-size: 0.65rem;
}

.remove-image-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    transition: all 0.2s ease;
}

.remove-image-btn:hover {
    background: rgba(220, 53, 69, 1);
    transform: scale(1.1);
}

/* File upload limits styling */
.file-limits {
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 3px solid #17a2b8;
}

.file-limits small {
    display: block;
    color: #6c757d;
    font-size: 0.8rem;
    line-height: 1.4;
}

.file-limits small:first-child {
    color: #495057;
    font-weight: 500;
}

.file-limits .current-selection {
    margin-top: 0.25rem;
    padding-top: 0.25rem;
    border-top: 1px solid #dee2e6;
}

/* GeoJSON Preview */
.geojson-preview {
    background-color: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 1rem;
    margin-top: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    max-height: 200px;
    overflow-y: auto;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

/* Responsive Design */
/* Mobile Optimizations - Full Screen Immersive Layout */
@media (max-width: 768px) {
    /* Header - Lightly Transparent */
    header {
        background: rgba(255, 255, 255, 0.75) !important;
        backdrop-filter: blur(12px) !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
    }
    
    /* Hide editing and contact buttons on mobile */
    #importBtn,
    #backupBtn,
    #contactBtn {
        display: none !important;
    }
    
    /* Always show FAB button on mobile */
    #mobileTrailsFab.mobile-trails-fab {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .header-content {
        padding: 0.6rem 1rem;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        min-height: 52px;
    }
    
    .logo-container {
        flex: 0 0 auto;
    }
    
    .logo {
        height: 36px !important; /* Smaller logo on mobile */
    }
    
    .logo-container h1 {
        font-size: 1.1rem !important;
        color: #2c5530 !important;
        font-weight: 700 !important;
        text-shadow: none !important;
    }
    
    .site-title {
        flex: 0 0 auto;
    }
    
    .site-title h1 {
        font-size: 1.1rem;
        color: #2c5530 !important;
        font-weight: 700 !important;
        text-shadow: none !important;
    }
    
    .site-title p {
        display: none; /* Hide subtitle on mobile */
    }
    
    .header-controls {
        gap: 0.6rem;
        flex-wrap: nowrap;
        justify-content: flex-end;
        align-items: center;
    }
    
    .header-controls .btn {
        font-size: 0.7rem !important;
        padding: 0.35rem 0.6rem !important;
        background: #28a745 !important;
        color: white !important;
        border: 1px solid #28a745 !important;
        backdrop-filter: none !important;
        font-weight: 600 !important;
        white-space: nowrap !important;
        min-width: auto !important;
        max-height: 32px !important;
        display: inline-flex !important;
        align-items: center !important;
        gap: 0.25rem !important;
        line-height: 1 !important;
    }
    
    .header-controls .btn:hover {
        background: #218838 !important;
        border-color: #1e7e34 !important;
    }
    
    .header-controls .btn i {
        flex-shrink: 0;
        font-size: 0.85rem;
    }
    
    .header-controls .btn span {
        display: inline !important;
        visibility: visible !important;
    }
    
    /* Main content - Full screen map */
    .main-content {
        flex-direction: column;
        height: calc(100vh - 60px);
        position: relative;
        overflow: hidden;
    }
    
    /* Hide sidebar visually on mobile but keep in DOM for app initialization */
    .sidebar {
        position: absolute;
        left: -9999px;
        opacity: 0;
        pointer-events: none;
        width: 0;
        height: 0;
        overflow: hidden;
    }
    
    /* Map container - Full screen */
    .map-container {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(100vh - 60px);
        z-index: 1;
    }
    
    /* Trails button - Now part of header-controls flex container */
    .mobile-trails-fab {
        position: relative !important;
        padding: 0.35rem 0.6rem !important;
        min-width: auto !important;
        max-height: 32px !important;
        background: #28a745 !important;
        border-radius: 6px !important;
        box-shadow: none !important;
        display: inline-flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        align-items: center !important;
        justify-content: center !important;
        color: white !important;
        font-size: 0.7rem !important;
        font-weight: 600 !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
        border: 1px solid #28a745 !important;
        backdrop-filter: none !important;
        flex-shrink: 0 !important;
        margin: 0 !important;
        gap: 0.25rem !important;
        line-height: 1 !important;
        white-space: nowrap !important;
    }
    
    .mobile-trails-fab i {
        flex-shrink: 0 !important;
        font-size: 0.85rem !important;
    }
    
    .mobile-trails-fab:hover {
        background: #218838 !important;
        border-color: #1e7e34 !important;
    }
    
    .mobile-trails-fab:active {
        transform: scale(0.95);
        background: #1e7e34 !important;
    }
    
    .mobile-trails-fab.hidden {
        display: none !important;
    }
    
    /* Ensure FAB is visible when not hidden */
    #mobileTrailsFab:not(.hidden) {
        display: flex !important;
        visibility: visible !important;
    }
    
    /* Floating trail list on map */
    .mobile-trail-overlay {
        position: fixed;
        top: 70px;
        left: 10px;
        right: 10px;
        max-height: 50vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        border-radius: 16px;
        box-shadow: 0 8px 32px rgba(0,0,0,0.2);
        z-index: 1000;
        overflow: hidden;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    
    .mobile-trail-overlay.hidden {
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
    }
    
    .mobile-overlay-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        color: #2c5530;
        border-radius: 12px 12px 0 0;
        border-bottom: 2px solid rgba(44, 85, 48, 0.1);
    }
    
    .mobile-overlay-header h3 {
        margin: 0;
        font-size: 1rem;
        font-weight: 600;
    }
    
    .mobile-toggle-btn {
        background: rgba(44, 85, 48, 0.1);
        border: 1px solid rgba(44, 85, 48, 0.2);
        color: #2c5530;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 1rem;
        transition: all 0.2s;
    }
    
    .mobile-toggle-btn:hover {
        background: rgba(44, 85, 48, 0.15);
    }
    
    .mobile-trail-filters {
        display: flex;
        gap: 0.5rem;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }
    
    .mobile-trail-filters .filter-btn {
        flex: 1;
        padding: 0.5rem;
        font-size: 0.85rem;
        background: white;
        border: 1px solid #dee2e6;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.2s;
    }
    
    .mobile-trail-filters .filter-btn.active {
        background: #28a745;
        color: white;
        border-color: #28a745;
    }
    
    .mobile-trail-scroll {
        max-height: calc(50vh - 140px);
        min-height: 200px;
        overflow-y: auto;
        padding: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }
    
    .mobile-trail-card {
        background: white;
        padding: 0.75rem;
        margin-bottom: 0.5rem;
        border-radius: 8px;
        border: 2px solid transparent;
        cursor: pointer;
        transition: all 0.2s;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }
    
    .mobile-trail-card:hover {
        border-color: #28a745;
        box-shadow: 0 4px 8px rgba(40,167,69,0.2);
    }
    
    .mobile-trail-card.selected {
        border-color: #28a745;
        background: #f0f9f4;
    }
    
    .mobile-trail-card h4 {
        margin: 0 0 0.5rem 0;
        color: #2c5530;
        font-size: 0.95rem;
    }
    
    .mobile-trail-card-info {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        font-size: 0.8rem;
        color: #6c757d;
    }
    
    .mobile-trail-card-info .badge {
        padding: 0.2rem 0.5rem;
        border-radius: 4px;
        font-size: 0.75rem;
        font-weight: 500;
    }
    
    .mobile-trail-card-info .badge.hiked {
        background: #007cbf;
        color: white;
    }
    
    .mobile-trail-card-info .badge.unhiked,
    .mobile-trail-card-info .badge:not(.hiked):first-child {
        background: #ffc107;
        color: #000;
    }
    
    /* Park header in mobile trail list */
    .mobile-park-header {
        padding: 0.75rem 1rem;
        margin-top: 0.75rem;
        margin-bottom: 0.5rem;
        background: #f8f9fa;
        border-left: 4px solid #28a745;
        font-weight: 600;
        font-size: 0.9rem;
        color: #2c5530;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .mobile-park-header:first-child {
        margin-top: 0;
    }
    
    /* Hide ALL desktop sidebar elements on mobile */
    .sidebar,
    .description-panel,
    .trail-list,
    .trail-filters,
    .sidebar-section {
        display: none !important;
        visibility: hidden !important;
    }
    
    /* Map controls - Repositioned */
    .map-controls {
        top: auto;
        bottom: 20px;
        right: 10px;
    }
    
    .map-btn {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
        box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }
    
    /* Modals - Full screen */
    .modal-content {
        width: 95%;
        max-width: 95%;
        margin: 2% auto;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .about-modal-content {
        max-width: 95%;
    }
    
    /* Form elements */
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Statistics */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    /* Touch-friendly */
    .mobile-trail-card,
    .mobile-toggle-btn,
    .map-btn {
        min-height: 44px;
    }
}

/* Mobile Trail Details Panel - Docked at bottom */
@media (max-width: 768px) {
    .mobile-trail-details {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(25px);
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 24px rgba(0,0,0,0.25);
        z-index: 1500;
        max-height: 75vh;
        transform: translateY(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: hidden;
    }
    
    .mobile-trail-details.active {
        transform: translateY(0);
    }
    
    .mobile-trail-details.minimized {
        transform: translateY(calc(100% - 60px)); /* Show just the handle area */
        max-height: 60px;
        overflow: visible;
    }
    
    .mobile-trail-details.minimized .mobile-details-content {
        opacity: 0;
        pointer-events: none;
    }
    
    .mobile-trail-details.minimized .mobile-details-handle {
        cursor: pointer;
        background: #28a745;
        margin: 8px auto;
        box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        width: 80px;
        height: 8px;
        border-radius: 4px;
    }
    
    .mobile-trail-details.minimized .mobile-details-handle::after {
        content: '↑';
        color: white;
        font-size: 1.5rem;
        font-weight: bold;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        line-height: 1;
    }
    
    .mobile-details-handle {
        width: 50px;
        height: 5px;
        background: #adb5bd;
        border-radius: 3px;
        margin: 12px auto;
        cursor: grab;
        touch-action: none;
        position: relative;
        z-index: 20;
    }
    
    .mobile-details-handle:active {
        cursor: grabbing;
        background: #868e96;
    }
    
    .mobile-details-content {
        padding: 0;
        max-height: calc(75vh - 50px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        display: flex;
        flex-direction: column;
    }
    
    .mobile-details-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        padding: 1rem;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid rgba(0,0,0,0.1);
        background: rgba(255, 255, 255, 0.7);
        backdrop-filter: blur(10px);
        position: sticky;
        top: 0;
        z-index: 10;
    }
    
    .mobile-details-tabs {
        display: flex;
        border-bottom: 1px solid rgba(0,0,0,0.1);
        background: rgba(255, 255, 255, 0.6);
        backdrop-filter: blur(10px);
        position: sticky;
        top: 0;
        z-index: 9;
    }
    
    .mobile-tab-btn {
        flex: 1;
        padding: 0.75rem 1rem;
        border: none;
        background: transparent;
        color: #6c757d;
        font-size: 0.9rem;
        font-weight: 500;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        border-bottom: 3px solid transparent;
        transition: all 0.2s ease;
    }
    
    .mobile-tab-btn.active {
        color: #28a745;
        border-bottom-color: #28a745;
        background: rgba(40, 167, 69, 0.1);
    }
    
    .mobile-tab-btn:active {
        background: rgba(40, 167, 69, 0.15);
    }
    
    .mobile-tab-content {
        display: none;
        padding: 1rem;
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .mobile-tab-content.active {
        display: block;
    }
    
    .mobile-details-content .trail-description {
        background: rgba(255, 255, 255, 0.5);
        padding: 1rem;
        border-radius: 8px;
        line-height: 1.8;
        color: #1a1a2e;
    }
    
    .mobile-details-header h2 {
        margin: 0 0 0.5rem 0;
        color: #2c5530;
        font-size: 1.2rem;
        font-weight: 600;
        line-height: 1.3;
    }
    
    .mobile-close-btn {
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid rgba(0,0,0,0.1);
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 1.1rem;
        color: #495057;
        flex-shrink: 0;
        transition: all 0.2s;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    .mobile-close-btn:active {
        background: rgba(255, 255, 255, 1);
        transform: scale(0.95);
    }
    
    .mobile-trail-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1rem;
        font-size: 0.85rem;
    }
    
    .mobile-trail-meta .badge {
        padding: 0.4rem 0.75rem;
        border-radius: 6px;
        background: #e9ecef;
        color: #495057;
        font-weight: 500;
    }
    
    .mobile-trail-meta .badge.hiked {
        background: #007cbf;
        color: white;
    }
    
    .mobile-trail-meta .badge.unhiked {
        background: #ffc107;
        color: #000;
    }
    
    .mobile-trail-description {
        margin-bottom: 1.5rem;
        line-height: 1.7;
        color: #495057;
        font-size: 0.95rem;
    }
    
    .mobile-trail-description p {
        margin: 0 0 1rem 0;
    }
    
    .mobile-trail-images {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .mobile-trail-images img {
        width: 100%;
        height: 280px;
        object-fit: cover;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    .mobile-trail-images h4 {
        margin: 1.5rem 0 0.75rem 0;
        color: #2c5530;
        font-size: 1rem;
    }
}

.badge-hiked {
    background: #28a745;
    color: white;
}

.badge-unhiked {
    background: #6c757d;
    color: white;
}

.close-details-btn {
    background: #dc3545;
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.close-details-btn:hover {
    background: #c82333;
}

.mobile-details-description {
    margin-bottom: 1.5rem;
}

.mobile-details-description h3,
.mobile-details-images h3 {
    color: #2c5530;
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.mobile-details-description p {
    color: #495057;
    line-height: 1.7;
}

.mobile-image-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.mobile-image-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s;
}

.mobile-image-grid img:hover {
    transform: scale(1.02);
}

/* Sidebar toggle button for mobile */
.sidebar-toggle {
    display: none; /* Hidden on desktop */
    width: 100%;
    padding: 0.75rem 1rem;
    background: #28a745;
    color: white;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}

.sidebar-toggle:hover {
    background: #218838;
}

.sidebar-toggle i {
    margin-right: 0.5rem;
}

/* Show toggle on mobile */
@media (max-width: 1024px) {
    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Collapsed sidebar state */
    .sidebar.collapsed {
        max-height: 44px;
        overflow: hidden;
    }
    
    .sidebar.collapsed .sidebar-section {
        display: none;
    }
}

/* Tablet adjustments (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .sidebar {
        width: 300px;
    }
    
    .description-panel {
        width: 400px;
    }
    
    .trail-list {
        max-height: calc(100vh - 400px);
    }
}

/* Leaflet Customizations */
.leaflet-popup-content-wrapper {
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.leaflet-popup-content {
    margin: 1rem;
    font-family: inherit;
}

.trail-popup {
    min-width: 200px;
}

.trail-popup h3 {
    color: #2c5530;
    margin-bottom: 0.5rem;
}

.trail-popup .trail-stats {
    display: flex;
    gap: 1rem;
    margin: 0.5rem 0;
    font-size: 0.9rem;
}

.trail-popup .trail-stats span {
    color: #666;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #4a7c59;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* About Modal Styles */
.about-modal-content {
    max-width: 900px;
    max-height: 85vh;
    overflow-y: auto;
}

.about-section {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e9ecef;
}

.about-section:last-of-type {
    border-bottom: none;
}

.about-section h3 {
    color: #2c5530;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.about-section p {
    color: #495057;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.about-list {
    margin-left: 1.5rem;
    color: #495057;
    line-height: 1.5;
}

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

.about-list strong {
    color: #2c5530;
}

code {
    background-color: #f4f4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: #d63384;
}

pre {
    background-color: #2d3748;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 0.5rem 0 1rem 0;
}

pre code {
    background-color: transparent;
    color: #e2e8f0;
    padding: 0;
    font-size: 0.9em;
}

.workflow-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 1rem 0;
}

.workflow-step {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #28a745;
}

.workflow-step h4 {
    color: #2c5530;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.workflow-step .about-list {
    margin-left: 1.2rem;
    font-size: 0.9rem;
}

.about-section h4 {
    color: #495057;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.about-section a {
    color: #28a745;
    text-decoration: none;
    font-weight: 500;
}

.about-section a:hover {
    text-decoration: underline;
}

/* Responsive workflow grid */
@media (max-width: 768px) {
    .workflow-info {
        grid-template-columns: 1fr;
    }
}

/* Delete Trail Button */
.delete-trail-btn {
    background: none;
    border: none;
    color: #dc3545;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    margin-left: 0.5rem;
}

.delete-trail-btn:hover {
    background-color: #ffe6e6;
    color: #c82333;
    transform: scale(1.1);
}