/* Dark Theme Variables */
:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #ffffff;
    --text-secondary: #b8b8b8;
    --text-muted: #888888;
    --accent-primary: #ec2547;
    --accent-secondary: #0f84bc;
    --accent-tertiary: #114b89;
    --border-color: #404040;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
    overflow: hidden;
}

.container-fluid {
    padding: 0;
    height: 100vh;
}

.row {
    margin: 0;
    height: 100%;
}

/* Control Panel Styles */
.control-panel {
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 0;
    overflow-y: auto;
    max-height: 100vh;
}

.panel-content {
    padding: 2rem;
}

.header-section {
    margin-bottom: 2rem;
    text-align: center;
}

.panel-title {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.panel-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.section-header {
    margin-bottom: 1rem;
}

.section-header h5 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0;
}

/* Map Styles */
.interactive-map {
    height: 300px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.location-controls .form-control {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.location-controls .form-control:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.location-controls .form-control::placeholder {
    color: var(--text-muted);
}

/* Distance Slider */
.distance-control .form-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-range {
    background-color: transparent;
}

.form-range::-webkit-slider-track {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.form-range::-webkit-slider-thumb {
    background-color: var(--accent-primary);
    border: none;
}

.form-range::-moz-range-track {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.form-range::-moz-range-thumb {
    background-color: var(--accent-primary);
    border: none;
}

/* Button Styles */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #d91e3f;
    border-color: #d91e3f;
}

.btn-outline-primary {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-outline-primary:hover {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-outline-success {
    color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.btn-outline-success:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.btn-outline-info {
    color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.btn-outline-info:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: #fff;
}

/* Dashboard Panel */
.dashboard-panel {
    background-color: var(--bg-primary);
    padding: 0;
    overflow-y: auto;
    max-height: 100vh;
}

.dashboard-content {
    padding: 2rem;
}

.results-summary {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.summary-title {
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0;
}

/* Filters Section */
.filters-section {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.form-select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.form-select:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-select option {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Results Section */
.results-section {
    min-height: 400px;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.empty-state-content {
    text-align: center;
    max-width: 400px;
}

.empty-state .text-muted {
    color: #a0aec0 !important;
}

.empty-state i.text-muted {
    color: var(--accent-primary) !important;
    opacity: 0.8;
}

/* Events Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.event-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--card-shadow);
}

.event-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-primary);
}

.event-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--bg-tertiary);
}

.event-card-content {
    padding: 1.5rem;
}

.event-card-title {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.event-card-subtitle {
    color: var(--accent-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.event-card-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.info-item {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.info-item i {
    margin-right: 0.5rem;
    width: 16px;
    color: var(--accent-primary);
}

.event-card-footer {
    padding: 1rem 1.5rem;
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.distance-badge {
    background-color: var(--accent-secondary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.reference-text {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-style: italic;
    text-decoration: underline;
    flex: 1;
    text-align: right;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Modal Styles */
.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.btn-close {
    filter: invert(1);
}

/* Loading Indicator */
.loading-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Attribution Styles */
.attribution-section {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    margin-top: 2rem;
}

.powered-by img {
    max-width: 100%;
    height: auto;
    opacity: 1;
}

.data-citation a {
    text-decoration: none;
    font-weight: 500;
}

.data-citation a:hover {
    text-decoration: underline;
}

/* Filter Styles */
.filters-container {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.search-summary .summary-content {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.summary-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.summary-tag {
    background-color: var(--accent-secondary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background-color 0.15s;
}

.summary-tag:hover {
    transform: scale(1.07);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    background-color: var(--accent-tertiary);
}

.summary-tag.active-tag {
    background-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(236, 37, 71, 0.4);
    transform: scale(1.05);
}

.summary-tag.tag-unavailable {
    cursor: not-allowed;
    pointer-events: none;
}

/* WoRMS Photo Link */
.worms-photo-link {
    position: relative;
    display: block;
    text-decoration: none;
    border-radius: 8px;
    overflow: hidden;
}

.worms-photo-link:hover img {
    filter: brightness(0.8);
    transition: filter 0.3s ease;
}

.worms-link-overlay {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
    white-space: nowrap;
}

.worms-photo-link:hover .worms-link-overlay {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .control-panel,
    .dashboard-panel {
        max-height: none;
        overflow-y: visible;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .panel-content,
    .dashboard-content {
        padding: 1rem;
    }
    
    .attribution-section {
        margin-top: 1rem;
    }
    
    .powered-by img {
        height: 100px;
    }
    
    .powered-by p {
        font-size: 0.9rem !important;
    }
    
    .data-citation p {
        font-size: 0.7rem !important;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background-color: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

/* 3-State Heatmap Control */
.heatmap-control {
    display: flex;
    background: var(--bg-primary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.heatmap-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 500;
    padding: 3px 5px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.heatmap-btn:hover:not(.active) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.heatmap-btn.active {
    background: var(--accent-secondary);
    color: white;
}


::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Mobile App Layout Settings */
@media (max-width: 767.98px) {
    /* Mobile View Toggle Logic */
    body[data-mobile-view="map"] .export-section,
    body[data-mobile-view="map"] .attribution-section,
    body[data-mobile-view="map"] .mobile-export-title {
        display: none !important;
    }
    
    body[data-mobile-view="export"] .header-section,
    body[data-mobile-view="export"] .map-section,
    body[data-mobile-view="export"] .distance-section,
    body[data-mobile-view="export"] .search-section,
    body[data-mobile-view="export"] .search-summary {
        display: none !important;
    }
    
    .mobile-export-title {
        display: block !important;
    }

    body {
        padding-bottom: 70px !important;
    }
    .mobile-bottom-nav {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background-color: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        z-index: 1000;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        padding: 8px 0;
    }
    .mobile-bottom-nav .btn-nav {
        flex: 1;
        background: transparent;
        border: none;
        color: var(--text-muted);
        text-align: center;
        font-size: 0.85rem;
        padding: 5px 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }
    .mobile-bottom-nav .btn-nav i {
        font-size: 1.2rem;
    }
    .mobile-bottom-nav .btn-nav.active {
        color: var(--accent-primary);
        font-weight: 600;
    }
    
    .control-panel, .dashboard-panel {
        display: none !important;
        position: absolute !important;
        top: 0;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px) !important;
        max-height: none !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
    }
    .control-panel.mobile-active, .dashboard-panel.mobile-active {
        display: block !important;
    }
}

@media (min-width: 768px) {
    .mobile-export-title {
        display: none !important;
    }
}