/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #fff;
    --bg-gray: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Navigation */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.site-title:hover {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    margin: -2rem -2rem 2rem -2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Albums Grid */
.albums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.album-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.album-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.album-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.album-cover {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.album-info {
    padding: 1.5rem;
}

.album-info h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.album-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.album-description {
    color: var(--text-light);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.album-location {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state h2 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Album Header */
.album-header {
    margin-bottom: 2rem;
}

.breadcrumb {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.album-header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.album-header .album-description {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.album-header .album-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.meta-item {
    color: var(--text-light);
    font-size: 0.95rem;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background-color: var(--bg-gray);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}

/* Photo Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.photo {
    position: relative;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.photo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.photo a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.photo img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.photo:hover img {
    opacity: 0.95;
}

figcaption {
    padding: 1rem;
    background: white;
}

.photo-caption {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.exif {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.exif-settings {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
}

/* Album Footer */
.album-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.back-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.back-link:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    margin-top: 4rem;
    padding: 2rem 0;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-content p {
    margin: 0.5rem 0;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

    .albums-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .photo-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .album-header h1 {
        font-size: 2rem;
    }

    .album-header .album-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    .hero {
        padding: 2rem 1rem;
        margin: -1rem -1rem 1rem -1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .album-info {
        padding: 1rem;
    }
}