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

:root {
    --bg-color: #0a0a0a;
    --text-color: #f5f5f5;
    --accent-color: #ffffff;
    --secondary-bg: #1a1a1a;
    --border-color: #333;
}

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

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner.hidden {
    display: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Header */
header {
    padding: 2rem 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

/* Search Bar */
.search-container {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    padding-right: 1rem;
    display: flex;
    align-items: center;
    max-width: 400px;
    text-align: left;
}

.search-suggestion {
    position: absolute;
    width: calc(100% - 2rem);
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    background-color: transparent;
    border: 1px solid transparent;
    color: var(--text-color);
    font-size: 0.9rem;
    font-family: inherit;
    border-radius: 4px;
    opacity: 0.4;
    pointer-events: none;
    z-index: 1;
}

.search-input {
    position: relative;
    width: 100%;
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 0.9rem;
    font-family: inherit;
    border-radius: 4px;
    transition: all 0.3s ease;
    z-index: 2;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.05);
}

.search-input::placeholder {
    color: var(--text-color);
    opacity: 0.5;
}

.search-clear {
    position: absolute;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    line-height: 1;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.search-clear:hover {
    opacity: 1;
    transform: scale(1.1);
}

.stats {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    text-align: left;
    opacity: 0.9;
    padding-left: 1rem;
    white-space: pre-line;
    line-height: 1.4;
}

.last-update {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    font-style: italic;
    color: var(--text-color);
    text-align: left;
    opacity: 0.6;
    padding-left: 1rem;
}

nav {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-primary {
    margin-bottom: 0;
}

.nav-secondary {
    margin-top: 1rem;
    padding-top: 1rem;
}

.filter-btn {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-btn:hover {
    background-color: var(--secondary-bg);
}

.filter-btn.active {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

/* Main Content */
main {
    flex: 1;
    padding: 2rem 1rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Gallery Grid */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.photo-card {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    background-color: var(--secondary-bg);
    transition: transform 0.3s ease;
}

.photo-card:hover {
    transform: scale(1.02);
}

.photo-card img {
    width: 100%;
    height: auto;
    display: block;
}

.photo-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    padding: 1.5rem 1rem 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.photo-card:hover .photo-info {
    transform: translateY(0);
}

.photo-location {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.photo-film {
    font-size: 0.8rem;
    opacity: 0.8;
    font-style: italic;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-info {
    position: fixed; /* Changed from absolute for better mobile positioning */
    bottom: 2rem;
    left: 2rem;
    text-align: left;
    width: fit-content; /* Fit to text size */
    max-width: calc(100vw - 4rem); /* Prevent overflow */
    background: rgba(0, 0, 0, 0.7);
    padding: 0.5rem 0.75rem; /* Reduced padding for tighter fit */
    border-radius: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Add webkit prefix for iOS Safari */
    z-index: 1001; /* Ensure it's above lightbox */
}

.lightbox-location {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.lightbox-description {
    font-size: 0.95rem;
    opacity: 0.8;
    font-style: italic;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 3rem;
    cursor: pointer;
    line-height: 1;
    transition: opacity 0.3s ease;
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-color);
    font-size: 3rem;
    cursor: pointer;
    padding: 1rem 1.5rem;
    transition: background 0.3s ease;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

/* Footer */
footer {
    padding: 2rem 1rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }

    .search-container {
        max-width: 100%;
    }

    .search-input {
        font-size: 0.9rem;
        padding: 0.6rem 2.5rem 0.6rem 0.75rem;
    }

    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .lightbox-nav {
        font-size: 2rem;
        padding: 0.5rem 1rem;
    }

    .lightbox-prev {
        left: 0.5rem;
    }

    .lightbox-next {
        right: 0.5rem;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        font-size: 2.5rem;
    }

    /* Mobile-specific lightbox info positioning */
    .lightbox-info {
        left: 1rem;
        bottom: 1rem;
        max-width: calc(100vw - 2rem); /* Prevent overflow on mobile */
        padding: 0.5rem 0.75rem; /* Reduced padding for tighter fit */
        backdrop-filter: blur(5px); /* Reduce blur for better mobile performance */
        -webkit-backdrop-filter: blur(5px);
    }
}

@media (max-width: 480px) {
    .gallery {
        grid-template-columns: 1fr;
    }

    nav {
        flex-direction: column;
    }

    .filter-btn {
        width: 100%;
    }
}