:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --border-color: #334155;
    --glass-border: #334155;
    --glass-bg: #1e293b;
    --transition-speed: 0.3s;
    --nav-bg: rgba(15, 23, 42, 0.9);
}

.light-theme {
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --accent-color: #2563eb;
    --accent-glow: rgba(37, 99, 235, 0.1);
    --border-color: #e2e8f0;
    --glass-border: #e2e8f0;
    --glass-bg: #ffffff;
}


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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

header {
    text-align: center;
    margin-bottom: 6rem;
    padding-top: 2rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.trip-section {
    margin-bottom: 8rem;
}

.trip-info {
    margin-bottom: 3rem;
}

.trip-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.trip-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.trip-meta {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Card Style shared from main site */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out, border-color 0.2s ease-in-out;
}

.card:hover {
    border-color: var(--accent-color);
}

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

.photo-card {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    aspect-ratio: 4 / 3;
}

.photo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-color);
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

.photo-card:hover img {
    transform: scale(1.05);
}

.photo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.photo-card:hover .photo-overlay {
    opacity: 1;
}

.photo-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
}

/* Lightbox Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(12, 12, 14, 0.95);
    backdrop-filter: blur(12px);
    display: none;
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-img {
    max-width: 85%;
    max-height: 65vh;
    border-radius: 0.5rem;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-details {
    margin-top: 1.5rem;
    text-align: center;
    background: var(--card-bg);
    padding: 1.5rem 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 600px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 500;
}

.download-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background 0.2s;
}

.download-btn:hover {
    background-color: #2563eb;
}

.close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    line-height: 1;
}

.gps-link {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent-color);
    transition: color 0.2s, border-color 0.2s;
}

.gps-link:hover {
    color: #60a5fa;
    border-bottom-style: solid;
}

footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--accent-color);
}

/* Map Section */
.map-section {
    margin-bottom: 8rem;
}

#map {
    width: 100%;
    z-index: 1;
    filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

.leaflet-container {
    background: #111 !important;
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
    background: #1e1e20 !important;
    color: #fff !important;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.leaflet-popup-content {
    margin: 0;
    width: auto !important;
    min-width: 160px;
}

.map-popup-content {
    font-family: 'Inter', sans-serif;
    text-align: center;
    padding: 0.75rem 0.5rem;
}

.map-popup-title {
    display: block;
    margin-bottom: 0.5rem;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
}

.map-popup-btn {
    display: inline-block;
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 2rem;
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.2s ease;
}

.map-popup-btn:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 15px var(--accent-color);
    transform: translateY(-1px);
}


/* Light theme map fix */
.light-theme #map {
    filter: none;
}

.light-theme .leaflet-container {
    background: #fff !important;
}

.light-theme .leaflet-popup-content-wrapper,
.light-theme .leaflet-popup-tip {
    background: #ffffff !important;
    color: #1e293b !important;
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .container {
        padding: 2rem 1rem;
    }

    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .modal-content {
        max-width: 100%;
    }
}