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

:root {
    --bg: #0a0a0f;
    --text: #e0e0e0;
    --text-dim: #888;
    --accent: #fff;
    --border: #333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding: 3rem 1.5rem;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* Navigation */
nav {
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 100;
    margin-bottom: 3rem;
    padding-top: 2rem;
    margin-top: -2rem;
}

nav ul {
    display: flex;
    list-style: none;
    padding: 0;
    gap: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

nav a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
    padding-bottom: 0.5rem;
    position: relative;
}

nav a:hover, nav a.active {
    color: var(--accent);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--accent);
}

/* Page sections */
.page {
    display: none;
    animation: fadeIn 0.3s;
}

.page.active {
    display: block;
}

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

/* Two column layout for Bio */
.bio-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: start;
}

/* Left column - Profile */
.profile-section {
    text-align: center;
}

.profile-img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 3px dotted var(--border);
    object-fit: cover;
}

.profile-section h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 1.2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--text-dim);
    transition: color 0.3s;
}

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

.site-code {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.site-code a {
    color: var(--text-dim);
    text-decoration: underline;
    text-decoration-color: var(--border);
    text-underline-offset: 3px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.site-code a:hover {
    color: var(--text);
    text-decoration-color: var(--text);
}

/* Right column - Content */
.bio-content {
    padding-top: 2rem;
}

.bio-section {
    margin-bottom: 3rem;
}

.bio-section h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bio-section p {
    color: var(--text-dim);
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.bio-section ul {
    list-style: none;
}

.bio-section li {
    color: var(--text-dim);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.bio-section li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-dim);
}

.bio-section a {
    color: var(--text);
    text-decoration: underline;
    text-decoration-color: var(--text-dim);
    text-underline-offset: 3px;
    transition: text-decoration-color 0.3s;
}

.bio-section a:hover {
    text-decoration-color: var(--accent);
}

/* Footer */
.footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Blog page */
.blog-list {
    margin-top: 2rem;
}

.blog-list-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: opacity 0.3s;
}

.blog-list-item:hover {
    opacity: 0.8;
}

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

.blog-list-item h2 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    color: var(--text);
}

.blog-list-item .date {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.blog-list-item .description {
    color: var(--text-dim);
    line-height: 1.6;
}

.blog-post {
    animation: fadeIn 0.3s;
}

.blog-post .back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.blog-post .back-link:hover {
    color: var(--text);
}

.blog-post .post-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.blog-post h1 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.blog-post .post-date {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.blog-post h2 {
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

.blog-post h3 {
    margin: 1.5rem 0 1rem;
    font-size: 1.1rem;
}

.blog-post p {
    margin-bottom: 1rem;
    color: var(--text-dim);
    line-height: 1.7;
}

.blog-post ul, .blog-post ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--text-dim);
}

.blog-post li {
    margin-bottom: 0.5rem;
}

.blog-post code {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.blog-post pre {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

.blog-post pre code {
    background: none;
    padding: 0;
    color: var(--text);
}

.blog-post strong {
    color: var(--accent);
    font-weight: 600;
}

.blog-post em {
    color: var(--text);
    opacity: 0.9;
    font-style: italic;
}

/* Blog content links - improve contrast on dark background */
.blog-post .post-content a {
    color: #8ec7ff;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-color: rgba(142, 199, 255, 0.6);
    transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.blog-post .post-content a:hover {
    color: #cbe3ff;
    text-decoration-color: currentColor;
}

.blog-post .post-content a:visited {
    color: #c6a9ff;
}

.blog-post .post-content a:focus-visible {
    outline: 2px solid #8ec7ff;
    outline-offset: 2px;
}

/* Map section */
.map-section {
    width: 100%;
    height: 300px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

/* Position Leaflet controls lower to avoid overlap with expand button */
.map-section .leaflet-top.leaflet-left {
    margin-top: 48px;
}

/* Style for custom reset control to match Leaflet controls */
.leaflet-control-reset {
    display: block;
    text-align: center;
    width: 26px;
    height: 26px;
    line-height: 26px;
    background: #fff;
    color: #000;
    text-decoration: none;
    border-bottom: 1px solid #ccc;
}

.leaflet-control-reset:hover {
    background: #f4f4f4;
}

.map-container {
    width: 100%;
    height: 100%;
    position: relative;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.02) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Map expand button (top-left) */
.map-expand-btn {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 0;
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(0, 0, 0, 0.35);
    color: rgba(255, 255, 255, 0.75);
    font-size: 18px;
    line-height: 28px;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.15s ease-in-out, transform 0.06s ease-in-out;
}

.map-expand-btn:hover {
    color: #ffffff;
}

.map-expand-btn:active {
    transform: scale(0.96);
}

/* Fullscreen map overlay */
.map-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    z-index: 10000;
}

.map-overlay.active {
    display: block;
}

.map-overlay .map-container {
    width: 100%;
    height: 100%;
}

.map-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border: 2px solid var(--bg);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

.map-point:hover {
    background: var(--text);
    transform: translate(-50%, -50%) scale(1.2);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.map-point.active {
    background: var(--text);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.map-point-label {
    position: absolute;
    background: var(--bg);
    color: var(--text);
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    pointer-events: none;
    border: 1px solid var(--border);
    z-index: 10;
}

.map-point:hover .map-point-label {
    opacity: 1;
    transform: translateY(-20px);
}

/* Gallery page */
/* Grid-based gallery to preserve DOM (row-major) order */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    justify-content: flex-end;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #111218;
    color: var(--text);
    cursor: pointer;
    transition: transform 0.06s ease-in-out, background 0.15s ease-in-out;
}

.icon-button:hover { background: #141520; }
.icon-button:active { transform: scale(0.96); }

.gallery-controls label {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.gallery-controls select {
    background: #111218;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 8px;
}

.gallery-item {
    position: relative;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    margin-bottom: 0;
}

.gallery-item img {
    width: 100%;
    /* Enforce a consistent card height so rows don't leave large gaps */
    aspect-ratio: 3 / 2;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s, opacity 0.3s;
    display: block;
}

.gallery-item img:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.gallery-item .location-info {
    margin-top: 0.5rem;
}

.gallery-item .location-name {
    color: var(--text);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.gallery-item .location-date {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.gallery-item .location-coords {
    color: var(--text-dim);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.3s;
}

.gallery-item .location-coords:hover {
    color: var(--accent);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    /* Ensure the lightbox is always above the map and overlays */
    z-index: 20000;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 20px;
    padding: 0;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(0, 0, 0, 0.35);
    color: rgba(255, 255, 255, 0.7);
    font-size: 26px;
    line-height: 28px;
    text-align: center;
    cursor: pointer;
    z-index: 10001;
    transition: color 0.15s ease-in-out, transform 0.06s ease-in-out;
}

.lightbox-close:hover {
    color: #ffffff;
}

.lightbox-close:active {
    transform: scale(0.96);
}

.lightbox-download {
    position: absolute;
    top: 16px;
    right: 56px; /* to the left of the close button */
    padding: 0;
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(0, 0, 0, 0.35);
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    line-height: 32px;
    text-align: center;
    cursor: pointer;
    z-index: 10001;
    border-radius: 0;
    transition: color 0.15s ease-in-out, transform 0.06s ease-in-out;
}

.lightbox-download:hover { color: #ffffff; }
.lightbox-download:active { transform: scale(0.96); }

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    cursor: zoom-in;
    transition: transform 0.2s ease-in-out;
}

.lightbox img.zoomed {
    cursor: zoom-out;
    transform: scale(1.6);
}

/* Lightbox caption */
#lightbox-caption {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    padding: 16px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.75), rgba(0,0,0,0.0));
    color: #eaeaea;
    font-size: 0.95rem;
    line-height: 1.4;
    max-height: 30vh;
    overflow-y: auto;
    max-width: 90vw; /* safety cap; actual width set via JS to image width */
}

#lightbox-caption .caption-title {
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 4px;
}

#lightbox-caption .caption-stats {
    color: #c7dfff;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

#lightbox-caption .caption-date {
    color: #e8e8e8;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 6px;
}

#lightbox-caption .caption-coords {
    color: #a7ffde;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

#lightbox-caption .caption-description {
    color: #dcdcdc;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-top: 6px;
}

/* Lightbox navigation arrows */
.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 60px;
    border: none;
    background: rgba(0, 0, 0, 0.35);
    color: rgba(255, 255, 255, 0.85);
    font-size: 34px;
    line-height: 60px;
    text-align: center;
    cursor: pointer;
    z-index: 10001;
    transition: color 0.15s ease-in-out, transform 0.06s ease-in-out;
}

.lightbox-prev { left: 10px; }
.lightbox-next { right: 10px; }

.lightbox-nav:hover { color: #ffffff; }
.lightbox-nav:active { transform: translateY(-50%) scale(0.96); }

/* Hide Leaflet UI when lightbox is open */
body.lightbox-open .leaflet-control-container,
body.lightbox-open .leaflet-popup-pane,
body.lightbox-open .leaflet-tooltip-pane {
    display: none !important;
}

/* Map popup preview */
.map-popup {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.map-popup-thumb {
    width: 220px;
    height: 140px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid rgba(0,0,0,0.3);
    box-shadow: 0 1px 6px rgba(0,0,0,0.25);
}

.map-popup-title {
    color: #2b6cb0; /* dark blue */
    text-decoration: underline;
    text-decoration-color: rgba(43,108,176,0.5);
    text-underline-offset: 2px;
    font-size: 0.98rem;
    font-weight: 600;
    cursor: pointer;
}

.map-popup-title:hover {
    text-decoration-color: #2b6cb0;
}

/* Mobile responsiveness */
@media (max-width: 1024px) {
    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        padding: 2rem 1rem;
    }

    .bio-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .profile-section {
        border-bottom: 1px solid var(--border);
        padding-bottom: 2rem;
    }

    .bio-content {
        padding-top: 0;
    }

    nav ul {
        gap: 1rem;
        font-size: 0.85rem;
    }

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

            .profile-img {
            width: 150px;
            height: 150px;
        }

        .map-section {
            height: 200px;
        }
    }
}