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

/* CSS Variables for Theme Colors */
:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --text-primary: #000000;
    --border-color: #000000;
}

/* Dark Mode Colors */
.dark-mode {
    --bg-primary: #000000;
    --text-primary: #ffffff;
    --border-color: #ffffff;
}

/* Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

h1, h2, h3 {
    color: var(--text-primary);
    margin: 0;
}

h1 {
    font-size: 3rem;
    font-weight: 400;
}

h3 {
    font-size: 1rem;
    font-weight: 400;
}

p {
    color: var(--text-primary);
    margin: 0;
}

a {
    color: var(--text-primary);
    text-decoration: none;
}


/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
}

/* Main Content */
main {
    flex: 1;
}

.section {
    margin-bottom: 2rem;
}

/* Art Hero Section */
.art-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.art-hero h1 {
    font-size: 3rem;
}

.nav-section {
    display: flex;
    align-items: flex-start;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-end;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 400;
    text-decoration: none;
}

.theme-toggle {
    margin: 0;
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 400;
}

.theme-text {
    display: block;
}

.light-text {
    display: none;
}

.dark-text {
    display: block;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.art-piece {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.art-placeholder {
    padding: 1rem;
    text-align: left;
}

.art-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
}

.art-placeholder h3 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 1rem;
    font-weight: 400;
}

.art-placeholder .price {
    color: var(--text-primary);
    font-weight: 400;
    font-size: 1rem;
}

.art-placeholder .price a {
    color: var(--text-primary);
    text-decoration: underline;
}


/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
    margin-top: 2rem;
}

.footer {
    text-align: left;
}

.footer p {
    color: var(--text-primary);
    font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .art-hero {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .nav-section {
        width: 100%;
        justify-content: space-between;
    }
    
    .nav-links {
        flex-direction: row;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .art-hero h1 {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .art-hero h1 {
        font-size: 1.5rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .art-image {
        height: 150px;
    }
}