:root {
    --primary: #cd9700;
    --primary-dark: #533d77;
    --secondary: #2400c5;
    --tertiary: #5c62a0;
    --dark-bg: #121212;
    --darker-bg: #0a0a0a;
    --dark-card: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b4b4b4;
    --accent: #ff006e;
    --success: #06d6a0;
}

.pnlm-controls-container {
    opacity: 0.15;
    transition: opacity 0.3s ease;
  }
  
  .pnlm-controls-container:hover {
    opacity: 1;
  }  
  
  
.pnlm-controls-container {
    left: 15px !important;  /* Adjust the value for desired spacing */
    right: auto !important;  /* Clear any right positioning */
  } 

body {
    font-family: 'Lato', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(to bottom, var(--darker-bg), rgba(18, 18, 18, 0.8));
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(5px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-icon {
    height: 48px; /* Adjusted to be 2x larger */
    width: auto;
    margin-right: 8px; /* Space between icon and text */
    vertical-align: middle; /* Align with text */
}

.nav-links {
    display: flex;
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.hero {
    padding: 180px 0 100px;
    text-align: center;
    background: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.35)), url('../img/backgrounds/skyarchive-hero-bg.png') no-repeat center bottom/cover;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 .br-mobile {
    display: none;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--text-secondary);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    background: var(--primary);
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    box-sizing: border-box; /* Add this line */
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    margin-left: 1rem;
}

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

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-title p {
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    margin: 20px auto;
    border-radius: 2px;
}

.card {
    background: var(--dark-card);
    border-radius: 5px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-sizing: border-box; /* Ensure padding/border included in width */
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.card h3 {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.card p {
    color: var(--text-secondary);
}
.card ul {
    color: var(--text-secondary);
    padding-left: 20px;
}
.card li {
    margin-bottom: 0.5rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.map-container {
    height: 600px;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

#lightPollutionMap {
    height: 100%;
    width: 100%;
    background-color: var(--darker-bg);
}

.leaflet-control-container .leaflet-top,
.leaflet-control-container .leaflet-bottom {
    z-index: 999 !important;
}

.map-control-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1000; /* Ensure it's above map tiles but below popups if necessary */
    padding: 6px 10px; /* Smaller padding for a compact button */
    font-size: 1.2rem; /* Adjust icon size */
    line-height: 1;
    box-sizing: border-box; /* Ensure padding and border are included in size */
    border-radius: 4px; /* Standard border radius */
    background-color: rgba(30, 30, 30, 0.8); /* Dark semi-transparent */
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.map-control-btn:hover {
    background-color: rgba(50, 50, 50, 0.9);
    color: var(--primary);
}

.map-container:-webkit-full-screen {
    width: 100% !important;
    height: 100% !important;
    z-index: 9999 !important; /* High z-index for fullscreen */
}
.map-container:-moz-full-screen {
    width: 100% !important;
    height: 100% !important;
    z-index: 9999 !important;
}
.map-container:-ms-fullscreen {
    width: 100% !important;
    height: 100% !important;
    z-index: 9999 !important;
}
.map-container:fullscreen {
    width: 100% !important;
    height: 100% !important;
    z-index: 9999 !important;
}
/* Ensure map inside fullscreen container also expands */
.map-container:fullscreen #lightPollutionMap {
    height: 100% !important;
    width: 100% !important;
}


.splide {
    margin: 2rem 0;
}

.splide__slide {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 400px;
    cursor: pointer;
    background-color: var(--dark-card);
}

.splide__slide .pannellum-placeholder {
    width: 100%;
    height: 100%;
    background-color: rgba(30, 30, 30, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    border: none;
    text-align: center;
    padding: 1rem;
    box-sizing: border-box;
    line-height: 1.4;
    position: relative;
    z-index: 2;
    cursor: pointer;
    transition: background-color 0.3s;
}

.splide__slide:hover .pannellum-placeholder {
    background-color: rgba(45, 45, 45, 0.9);
}

.splide__slide .pannellum-placeholder i {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    color: var(--primary);
}

.splide__slide .pannellum-placeholder span {
    font-size: 1rem;
    max-width: 90%;
}

.splide__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0.5;
    pointer-events: none;
}

/* Ensure images in the featured astro slider are fully opaque */
.splide__slide.astro-splide-item img {
    opacity: 1;
    position: relative; /* Reset position if it's not meant to be absolute like panorama previews */
    pointer-events: auto; /* Allow interaction if needed, though click is on slide li */
}

.splide__slide .panorama-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1rem;
    color: white;
    z-index: 3;
    pointer-events: none;
}

.splide__slide h4 {
    margin: 0;
    font-size: 1.1rem;
}

.splide__slide p {
    margin: 5px 0 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.view-gallery-link {
    display: block;
    text-align: center;
    margin-top: 2rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 900;
}

.view-gallery-link:hover {
    text-decoration: underline;
}

.data-visualization {
    margin-top: 3rem;
}

.chart-container {
    background: var(--dark-card);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-sizing: border-box; /* Ensure padding is included in width */
}

.location-selector {
    margin-bottom: 1.5rem;
}

.location-selector label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.location-selector select {
    width: 100%;
    padding: 0.8rem;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--dark-bg);
    color: var(--text-primary);
    font-size: 1rem;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23CCCCCC%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 0.8em auto;
    padding-right: 2.5rem;
}

.location-selector option {
    background: var(--dark-card);
    color: var(--text-primary);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.equipment-card {
    background: var(--dark-card);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s;
}

.equipment-card:hover {
    transform: translateY(-5px);
}

.equipment-img {
    height: 200px;
    overflow: hidden;
}

.equipment-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.equipment-card:hover .equipment-img img {
    transform: scale(1.1);
}

.equipment-info {
    padding: 1.5rem;
}

.equipment-info h3 {
    color: var(--text-primary);
    margin-top: 0;
}

.equipment-info p {
    color: var(--text-secondary);
}

footer {
    background: var(--darker-bg);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.social-links {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.social-links li {
    margin: 0 10px;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--primary);
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 65px;
        left: 0;
        right: 0;
        background: var(--darker-bg);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 0.5rem 0;
        margin-left: 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.3; /* Adjust line height for multi-line title */
    }

    .hero h1 .br-mobile {
        display: block;
        content: ''; /* Necessary for block display to work as a line break */
    }

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

    .section-title h2 {
        font-size: 2rem;
    }

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

    .hero .btn {
        display: block;
        width: calc(100% - 4rem); /* Adjust width as needed, considering padding */
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 1rem;
    }

    .hero .btn-outline {
        margin-left: auto; /* Reset margin-left from desktop */
    }

    .hero .btn:last-child {
        margin-bottom: 0;
    }

    .map-container {
        height: 400px;
    }

    .splide__slide {
        height: 300px;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
    }

    .equipment-img {
        height: 150px;
    }

    .footer-content {
        padding: 0 1rem;
    }
}

.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.2s; }
.fade-in:nth-child(2) { animation-delay: 0.4s; }
.fade-in:nth-child(3) { animation-delay: 0.6s; }
.fade-in:nth-child(4) { animation-delay: 0.8s; }

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

.slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-container {
    padding-top: 100px;
    padding-bottom: 80px;
}

.gallery-header {
    text-align: center;
    margin-bottom: 3rem;
}

.gallery-header h1 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 300px;
    cursor: pointer;
    background-color: var(--dark-card);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.gallery-item .pannellum-placeholder {
     width: 100%;
     height: 100%;
     background-color: rgba(30, 30, 30, 0.8);
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     font-size: 1rem;
     color: var(--text-secondary);
     text-align: center;
     padding: 1rem;
     box-sizing: border-box;
     line-height: 1.4;
     position: relative;
     z-index: 2;
     transition: background-color 0.3s;
}

.gallery-item:hover .pannellum-placeholder {
     background-color: rgba(45, 45, 45, 0.9);
}

.gallery-item .pannellum-placeholder i {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    color: var(--primary);
}

.gallery-item .gallery-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 1rem;
    color: white;
    z-index: 3;
    pointer-events: none;
}

.gallery-item h4 {
    margin: 0;
    font-size: 1.1rem;
}

.gallery-item p {
    margin: 5px 0 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Lightbox Navigation Arrows */
.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    font-size: 2rem;
    padding: 10px 15px;
    cursor: pointer;
    z-index: 1001; /* Above lightbox content, below close button if it's higher */
    border-radius: 3px;
    transition: background-color 0.3s;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background-color: rgba(0, 0, 0, 0.6);
}

.lightbox-prev {
    left: 15px;
}

.lightbox-next {
    right: 15px;
}

.lightbox-close { /* Ensure close button is on top */
    z-index: 1002;
}


@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    .gallery-item {
        height: 250px;
    }
}

#panorama-viewer-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#panorama {
    width: 100%;
    height: 100%;
}

.pannellum-viewer-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.5rem;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent);
    z-index: 10;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.pannellum-viewer-header .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.pnlm-controls-container {
    top: 60px !important;
}

.legend-description {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.legend-description h4 {
    margin-bottom: 1rem;
    color: var(--primary);
}
.legend-description ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.legend-description li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}
.legend-description i {
    width: 15px;
    height: 15px;
    display: inline-block;
    margin-right: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.leaflet-popup-content-wrapper {
     background: var(--dark-card) !important;
     color: var(--text-primary) !important;
     border-radius: 8px !important;
     box-shadow: 0 5px 15px rgba(0,0,0,0.3) !important;
}
.leaflet-popup-content {
     margin: 15px !important;
     line-height: 1.5;
}
.leaflet-popup-content h3 {
     color: var(--primary);
     margin-top: 0;
     margin-bottom: 10px;
     font-size: 1.3rem;
}
.leaflet-popup-content p {
     margin: 5px 0;
     color: var(--text-secondary);
}
.leaflet-popup-content strong {
     color: var(--text-primary);
}
.leaflet-popup-content hr {
     border: none;
     height: 1px;
     background-color: rgba(255, 255, 255, 0.1);
     margin: 8px 0;
}
.leaflet-popup-tip {
     background: var(--dark-card) !important;
}
.leaflet-popup-close-button {
    color: var(--text-secondary) !important;
    font-size: 1.2rem !important;
    padding: 4px 4px 0 0 !important;
}
.leaflet-popup-close-button:hover {
    color: var(--text-primary) !important;
    background: transparent !important;
}

.info.legend {
    background-color: rgba(30, 30, 30, 0.9);
    padding: 8px; /* Reduced padding for compact non-hover state */
    border-radius: 5px;
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    font-size: 0.9rem;
    /* min-width removed from default state */
    transition: min-width 0.3s ease-out, padding 0.3s ease-out; /* Added transition */
}

.info.legend:hover {
    min-width: 230px; /* Apply min-width only on hover */
    padding: 10px 15px; /* Restore original padding on hover */
}
.info.legend strong {
    display: block;
    margin-bottom: 5px;
    color: var(--primary);
    font-size: 1rem;
}
.info.legend i {
    width: 15px;
    height: 15px;
    display: inline-block;
    margin-right: 5px;
    border-radius: 50%;
    vertical-align: middle;
    border: 1px solid rgba(0,0,0,0.2);
}

/* Collapsible Legend Styles */
.legend-header {
    padding: 0 !important; /* Remove padding */
    cursor: pointer;
    display: flex;
    justify-content: center; /* Center the icon */
    align-items: center;
    background-color: transparent !important; /* Remove background */
    background: transparent !important; /* Ensure override */
    border: none !important; /* Remove border */
    border-bottom: none !important; /* Ensure override */
    width: auto; /* Adjust width to content */
    height: auto; /* Adjust height to content */
    box-sizing: border-box;
    border-radius: 0 !important; /* Remove border-radius */
    box-shadow: none !important; /* Remove any potential box-shadow from other rules */
}

/* Remove strong tag styling as text is removed */
/* .legend-header strong {
    color: var(--primary);
} */

/* Style for the Material Icon span */
.legend-icon-span.material-icons {
    color: var(--text-primary);
    font-size: 1.2rem; /* Match fullscreen icon size */
    transition: transform 0.3s ease;
    display: inline-flex; /* Helps with alignment and sizing */
    align-items: center; /* Vertically center icon if needed */
    justify-content: center; /* Horizontally center icon if needed */
    width: auto; /* Adjust as needed, or match button */
    height: auto; /* Adjust as needed, or match button */
}

.legend-header.collapsed .legend-icon-span.material-icons {
    /* Optional: Add rotation or different icon for collapsed state if desired */
    /* transform: rotate(0deg); */
}

.legend-header:not(.collapsed) .legend-icon-span.material-icons {
    /* Optional: Add rotation or different icon for expanded state if desired */
    /* transform: rotate(180deg); */
}


.legend-content {
    padding: 10px 15px; /* Keep original padding for content */
    background-color: rgba(30, 30, 30, 0.9); /* Original background */
    max-height: 300px; /* Prevent excessive height on mobile */
    overflow-y: auto;   /* Allow scrolling if content exceeds max-height */
    transition: max-height 0.3s ease-out, padding 0.3s ease-out; /* Smooth transition */
}

.legend-content.collapsed {
    display: none; /* Hide content when collapsed */
    padding-top: 0;
    padding-bottom: 0;
    max-height: 0;
    overflow: hidden;
}

/* Adjustments for mobile legend */
@media (max-width: 768px) {
    .info.legend {
        max-width: 250px; /* Limit width on mobile */
        right: 0;      /* Position from right, relative to parent .leaflet-control */
        bottom: 0;     /* Align to bottom right, relative to parent .leaflet-control */
        left: auto; /* Ensure it's not pushed from left */
        top: auto; /* Ensure it's not pushed from top */
    }
    .legend-content {
        max-height: 200px; /* Shorter max-height on mobile */
    }

    #contactForm .form-grid {
        grid-template-columns: 1fr; /* Stack inputs vertically on mobile */
    }
}


.pnlm-hotspot.sqm-hotspot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.9);
    transition: transform 0.2s, background-color 0.2s;
}

.pnlm-hotspot.sqm-hotspot:hover {
    transform: scale(1.6);
    background-color: rgba(255, 255, 255, 0.9);
}

/* Redundant styles for #featuredPolarPlotContainer removed, now uses .chart-container class */
/* Explicitly constrain SVG within the polar plot container */
#featuredPolarPlotContainer svg {
    max-width: 100%;
    height: auto;
    display: block; /* Redundant? but ensures block behavior */
    margin: auto; /* Center if container is somehow wider */
}

/* Style for D3 tooltip (from data-viewer.html) */
.d3-tooltip {
    position: absolute;
    z-index: 10;
    visibility: hidden;
    background: rgba(0,0,0,0.8); /* Slightly darker */
    color: #fff;
    padding: 10px; /* More padding */
    border-radius: 4px;
    font-size: 13px; /* Slightly larger font */
    pointer-events: none; /* Prevent tooltip from blocking mouse events */
    white-space: nowrap; /* Prevent line breaks */
    line-height: 1.4;
}

.pnlm-tooltip {
    background-color: rgba(0, 0, 0, 0.8) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 4px !important;
    padding: 5px 10px !important;
    font-size: 0.9em !important;
}

.sqm-hotspot span {
    white-space: nowrap;
    line-height: 1.4;
    text-align: center;
    display: inline-block;
  }

/* Contact Form Styles */
#contactForm {
    max-width: 600px;
    margin: 2rem auto 0;
}

#contactForm .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

#contactForm input[type="text"],
#contactForm input[type="email"],
#contactForm textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: white;
    box-sizing: border-box; /* Ensure padding doesn't add to width */
}

#contactForm textarea {
    margin-bottom: 1rem;
    resize: vertical; /* Allow vertical resize */
}

/* Enhancements for SQM Color Guide Legend - START */
/* These styles augment or override existing .legend-description styles */

.legend-description ul { /* Existing rule at or around line 778 */
}

.legend-description li { /* Existing rule at or around line 783 */
    margin-bottom: 0.75rem !important; /* Increased bottom margin for more space */
    display: flex !important;
    align-items: flex-start !important; /* Align items to the start for better wrapping */
    line-height: 1.4 !important; /* Improve line height for wrapped text */
}

.legend-description li i { /* Targets the color swatch icon, existing rule around line 788 */
    width: 15px !important;
    height: 15px !important;
    display: inline-block !important;
    margin-right: 10px !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    margin-top: 0.2em !important; /* Align swatch better with the first line of text */
}

.legend-description li strong {
    display: inline-block !important; /* Allow margin-right */
    margin-right: 0.25em !important; /* Add small space after the colon part */
}

/* Mobile specific adjustments for legend items */
@media (max-width: 480px) {
    .legend-description li {
        font-size: 0.85rem !important; /* Slightly smaller font on very small screens */
    }
    .legend-description li i {
        margin-top: 0.15em !important;
    }
}
/* Enhancements for SQM Color Guide Legend - END */

/* Leaflet Zoom Control Customization */
.leaflet-control-zoom a {
    background-color: rgba(45, 45, 45, 0.85) !important; /* Dark grey background */
    color: #bbb !important; /* Light grey icon color */
    border-bottom: 1px solid rgba(0,0,0,0.3) !important; /* Subtle border */
    border-radius: 4px !important; /* Match other controls */
    box-shadow: 0 1px 5px rgba(0,0,0,0.4);
}
.leaflet-control-zoom a:hover {
    background-color: rgba(60, 60, 60, 0.95) !important;
    color: #fff !important;
}
.leaflet-control-zoom-in {
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}
.leaflet-control-zoom-out {
    border-top-left-radius: 0 !important;
    border-top-right-radius: 0 !important;
    border-bottom: none !important; /* Remove bottom border for the last button */
}

.leaflet-bar a, .leaflet-bar a:hover {
    width: 30px !important; /* Standard width */
    height: 30px !important; /* Standard height */
    line-height: 30px !important; /* Center icon */
}

/* Custom Styles for Leaflet Layer Control */
.leaflet-control-layers {
    background-color: var(--dark-card) !important;
    padding: 10px !important;
    border-radius: 5px !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3) !important;
    line-height: 1.5;
}

.leaflet-control-layers-toggle {
    font-family: 'Material Icons';
    font-size: 20px !important; /* Adjust icon size */
    line-height: 20px !important; /* Center icon vertically */
    text-align: center !important;
    width: 20px !important;
    height: 20px !important;
    background-color: rgba(45, 45, 45, 0.85) !important;
    border-radius: 4px !important;
    color: var(--text-primary) !important;
    text-decoration: none !important;
}

.leaflet-control-layers-toggle::before {
    content: "layers"; /* Material Icon name */
}

.leaflet-control-layers-toggle:hover {
    background-color: rgba(60, 60, 60, 0.95) !important;
    color: var(--primary) !important;
}

.leaflet-control-layers .leaflet-control-layers-list,
.leaflet-control-layers-expanded .leaflet-control-layers-list {
    background-color: var(--dark-bg) !important; /* Background for the expanded list */
    padding: 8px !important;
    border-radius: 4px !important;
    color: var(--text-primary) !important;
}

.leaflet-control-layers-selector {
    margin-right: 5px !important;
    vertical-align: middle !important;
}

.leaflet-control-layers label {
    color: var(--text-secondary) !important;
    font-size: 0.95rem !important;
    display: flex !important; /* Use flex for alignment */
    align-items: center !important; /* Vertically align items */
    margin-bottom: 4px !important; /* Space between layer items */
}
.leaflet-control-layers label span {
    padding-left: 4px; /* Space between checkbox/radio and text */
}


.leaflet-control-layers-separator {
    height: 1px !important;
    background-color: rgba(255, 255, 255, 0.1) !important;
    margin: 5px 0 !important;
}

/* Positioning the layer control */
.leaflet-bottom.leaflet-right .leaflet-control-layers {
    margin-bottom: 10px; /* Default margin from bottom */
}

/* Ensure it's above the .info.legend if both are in bottomright */
.leaflet-bottom.leaflet-right {
    display: flex;
    flex-direction: column; /* Controls are added top-to-bottom in this corner */
    align-items: flex-end;
}

/* General styling for all controls in bottom right for consistent spacing */
.leaflet-bottom.leaflet-right .leaflet-control {
    margin-top: 5px; /* Space between controls */
    margin-right: 10px; /* Consistent margin from right edge */
    margin-bottom: 5px; /* Consistent margin from bottom edge or next control */
}
.leaflet-bottom.leaflet-right .leaflet-control:first-child {
    margin-top: 10px; /* More margin for the topmost control in this corner */
}
.leaflet-bottom.leaflet-right .leaflet-control:last-child {
     margin-bottom: 10px; /* More margin for the bottom-most control */
}


/* Specific order and spacing for layer control and legend */
/* The .info.legend is already set to position: 'bottomright' in JS */
/* The .leaflet-control-layers is also set to position: 'bottomright' in JS */
/* We want layers control above the info legend */

.leaflet-control-layers.leaflet-control { /* Higher specificity for layer control */
    order: 1; /* Comes before legend */
    margin-bottom: 5px !important; /* Space below layer control, above legend */
}

.info.legend.leaflet-control { /* Higher specificity for info legend */
    order: 2; /* Comes after layer control */
    margin-top: 0px !important; /* Remove extra top margin if it's below layers */
    margin-bottom: 10px !important; /* Ensure it's off the very bottom edge */
}


/* Legend on Hover */
.info.legend .legend-content {
    display: none;
    opacity: 0;
    max-height: 0;
    transition: opacity 0.3s ease-out, max-height 0.3s ease-out, padding 0.3s ease-out;
    overflow: hidden; /* Important for max-height transition */
}

.info.legend:hover .legend-content {
    display: block;
    opacity: 1;
    max-height: 300px; /* Or a suitable max height */
    /* padding restored by .legend-content rule if it was set to 0 when collapsed */
}

.info.legend .legend-header {
    /* Ensure the header itself is styled consistently if it was relying on .leaflet-control-layers-toggle */
    /* Most styles for legend-header are already fine, just ensure cursor */
    cursor: default; /* No longer a click target for expansion */
}


/* Adjustments for mobile if necessary */
@media (max-width: 768px) {
    .leaflet-control-layers {
        max-width: 180px; /* Slightly reduce max-width on mobile */
        font-size: 0.85rem; /* Slightly smaller font for layer items */
    }

    .leaflet-bottom.leaflet-right .leaflet-control {
        margin-right: 5px !important; /* Reduce right margin */
        margin-left: 5px !important; /* Add left margin for very narrow screens if controls stack weirdly */
        /* margin-top and margin-bottom are handled by the flex container's gap or individual control margins */
    }

    .leaflet-bottom.leaflet-right {
        /* Override desktop flex settings if needed, or add gap */
        gap: 12px; /* Increased gap between flex items (controls) */
        /* Ensure padding from the edge of the map container if not already handled by .leaflet-right */
        padding-bottom: 10px; /* Match top spacing of fullscreen icon */
        padding-right: 5px; /* Reverted to original padding */
    }

    /* Explicitly set margins for the controls in mobile view if gap isn't enough or for specific ordering */
    .leaflet-control-layers.leaflet-control {
        margin-bottom: 0 !important; /* Rely on flex gap for spacing below */
        margin-top: 0 !important; /* Rely on flex gap for spacing above */
        /* Layer control is already sized by its toggle */
    }

    .info.legend.leaflet-control {
        margin-bottom: 0 !important; /* Rely on flex gap or container padding */
        margin-top: 0 !important; /* Rely on flex gap */
        max-width: 180px; /* Match layer control width */
    }

    .legend-content { /* From main legend styles, ensure it's also constrained on mobile */
        max-height: 150px; /* Shorter max-height for legend content on mobile */
    }
    /* Mobile styles for .overlay-controls and #lpOverlayOpacitySlider removed as the element is removed from HTML */
}

/* Opacity Slider Styles (These will be repurposed or new styles created for in-control slider) */
/* Removing old styles for now, new ones will be more specific to the Leaflet control */

/* Styles for Opacity Slider inside Leaflet Control */
.leaflet-control-layers-custom-item {
    padding: 4px 0px 4px 5px; /* Align with checkbox/radio padding */
    display: flex;
    align-items: center;
    gap: 8px; /* Space between slider and value display */
}

.opacity-slider-container {
    display: flex;
    align-items: center;
    width: 100%; /* Take full width available in that section */
    padding-left: 10px; /* Indent it slightly under its layer name */
    margin-top: 2px; /* Small space above the slider */
    margin-bottom: 4px; /* Space below slider */
}

.opacity-slider-input {
    -webkit-appearance: none;
    appearance: none;
    flex-grow: 1; /* Slider takes available space */
    height: 8px;
    background: rgba(255, 255, 255, 0.2); /* Lighter track for visibility */
    outline: none;
    opacity: 0.9;
    transition: opacity .15s ease-in-out;
    border-radius: 4px;
    cursor: pointer;
}

.opacity-slider-input:hover {
    opacity: 1;
}

.opacity-slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 2px solid var(--dark-bg); /* Use main dark background for border */
    cursor: pointer;
}

.opacity-slider-input::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 2px solid var(--dark-bg);
    cursor: pointer;
    box-sizing: border-box;
}

.opacity-slider-value {
    color: var(--text-secondary);
    font-size: 0.85em;
    min-width: 40px; /* Ensure space for "100%" */
    /* text-align: right; */ /* Removed to allow flex gap to manage spacing */
}


/* Visually hidden class for labels if needed */
.sr-only {
 border: 0 !important;
 clip: rect(1px, 1px, 1px, 1px) !important; /* 1 */
 -webkit-clip-path: inset(50%) !important;
  clip-path: inset(50%) !important;  /* 2 */
 height: 1px !important;
 margin: -1px !important;
 overflow: hidden !important;
 padding: 0 !important;
 position: absolute !important;
 width: 1px !important;
 white-space: nowrap !important;            /* 3 */
}

/* Mitigate tile seams for the Europe LP layer */
.europe-lp-tiles .leaflet-tile {
 outline: 1px solid transparent;
}

/* Sky Comparison Section Styles */
.sky-comparison-container {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sky-comparison-container h5 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.sky-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

.sky-image-card {
    background-color: rgba(255, 255, 255, 0.03); /* Subtle background */
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.sky-image-card:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.sky-image-card img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sky-image-caption h6 {
    margin: 0.5rem 0 0.3rem 0;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
}

.sky-image-caption p {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.5;
}

.sky-comparison-container > p { /* The concluding paragraph */
    font-size: 0.85em;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 1.5rem;
    line-height: 1.5;
}

/* Responsive adjustments for sky comparison */
@media (max-width: 768px) {
    .sky-comparison-grid {
        grid-template-columns: 1fr; /* Stack images on smaller screens */
        gap: 1.5rem; /* Keep consistent gap */
    }

    .sky-comparison-container h5 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }

    .sky-image-card {
        padding: 0.75rem;
    }
}

/* Dropdown Navigation */
.nav-links li.dropdown {
  position: relative;
  display: inline-block;
}

.nav-links .dropdown .dropbtn {
  cursor: pointer;
  display: flex; /* Aligns icon with text */
  align-items: center; /* Aligns icon with text */
}

.nav-links .dropdown .dropbtn .fa-caret-down {
  margin-left: 5px;
  transition: transform 0.3s ease;
}

.nav-links .dropdown:hover .dropbtn .fa-caret-down {
  transform: rotate(180deg);
}

.nav-links .dropdown .dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--dark-bg); /* Match header background or choose a suitable color */
  min-width: 180px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.3);
  z-index: 100; /* Ensure it's above other content */
  border-radius: 0 0 4px 4px; /* Optional: rounded corners for bottom */
  padding: 0; /* Remove padding if list items have their own */
  margin-top: 0; /* Align directly below parent */
}

.nav-links .dropdown:hover .dropdown-content {
  display: block;
}

.nav-links .dropdown .dropdown-content a {
  color: var(--text-primary);
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05); /* Subtle separator */
}

.nav-links .dropdown .dropdown-content a:last-child {
  border-bottom: none; /* No border for the last item */
}

.nav-links .dropdown .dropdown-content a:hover {
  background-color: var(--primary); /* Use primary color for hover */
  color: var(--dark-bg); /* Adjust text color for contrast on hover */
}

/* Ensure dropdown works on mobile/active state */
.nav-links.active .dropdown .dropdown-content {
    position: static; /* Change position for mobile flow */
    box-shadow: none;
    background-color: transparent; /* Blend with mobile menu */
}

.nav-links.active .dropdown .dropdown-content a {
    padding-left: 25px; /* Indent dropdown items in mobile */
    color: var(--text-primary); /* Ensure text color is consistent */
}

.nav-links.active .dropdown .dropdown-content a:hover {
    background-color: var(--primary-hover); /* Use a hover color suitable for mobile */
    color: var(--dark-bg);
}

/* Language Switcher Dropdown Styles */
.nav-links .language-switcher-btn {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.nav-links .language-switcher-btn .material-icons {
    margin-right: 5px; /* Space between icon and text */
    font-size: 20px; /* Adjust icon size if needed */
}

.nav-links .language-switcher-btn #currentLangDisplay {
    margin-right: 5px; /* Space between text and caret */
}

/* Style for the astro gallery grid */
.astro-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.astro-gallery-item {
    background-color: var(--dark-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.astro-gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.astro-gallery-item img {
    width: 100%;
    height: 200px; /* Fixed height for previews */
    object-fit: cover; /* Crop images to fit */
    display: block;
    border-bottom: 1px solid var(--border-color);
}

.astro-gallery-info {
    padding: 1rem;
}

.astro-gallery-info h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--primary);
    font-size: 1.1rem;
}

.astro-gallery-info p {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Lightbox styles (Reverted to simple static image display) */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85); /* Original overlay darkness */
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-overlay.visible {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: #111; /* Dark background for the image container */
  padding: 20px; /* Increased padding */
  border-radius: 5px;
  box-shadow: 0 0 30px rgba(0,0,0,0.7);
  text-align: center; /* Center content like caption and button */
}

/* img is now directly inside .lightbox-content, ensure it's styled correctly */
/* .lightbox-content img is handled by inline styles in JS for max-width/max-height */

.lightbox-caption {
  color: #ccc;
  text-align: center;
  margin-top: 10px; /* Original margin */
  font-size: 0.9rem;
}

.lightbox-osd-link {
  /* Using .btn styles from earlier in the file, can add specifics here if needed */
  margin-top: 15px !important; /* Ensure spacing, !important if needed */
  display: inline-block !important; /* Ensure it behaves like a button */
  text-decoration: none; /* Remove underline from link if .btn doesn't cover it */
}
.lightbox-osd-link i {
  margin-right: 8px;
}

.lightbox-close {
  position: absolute;
  top: 15px; /* Positioned inside the lightbox content area */
  right: 15px; /* Positioned inside the lightbox content area */
  color: #fff;
  background: var(--primary);
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  z-index: 1001;
}
.lightbox-close:hover {
  background: var(--primary-hover);
}

/* --- Gallery Sorting Controls --- */
.gallery-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    flex-wrap: wrap;
    width: fit-content;
    margin-left: auto;
}

.sort-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.gallery-controls label {
    font-weight: 700;
    color: var(--text-secondary);
}

.gallery-controls select {
    background-color: var(--dark-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    border-radius: 4px;
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23CCCCCC%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 0.65em auto;
}

.gallery-controls select option {
    background: var(--dark-card);
    color: var(--text-primary);
}

.gallery-controls select:hover {
    border-color: var(--primary-color);
}

.btn-sort {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    transition: all 0.2s ease;
}

.btn-sort:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}


/* Remove OpenSeadragon specific overrides if they were added here */
/* For example:
.openseadragon-container { ... }
.openseadragon-container .navigator { ... }
*/