body {
    margin: 0;
    padding: 0;
    font-family: 'Merriweather', Georgia, 'Times New Roman', serif;
    background-color: #fff;
    color: #333;
    line-height: 1.8;
    font-size: 1.1rem;
}

h1, h2, h3, h4, h5, h6, nav, .header-content {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
}

body.has-bg-quinta {
    background: url('../../images/quinta.webp') no-repeat center center fixed;
    background-size: cover;
    color: #fff;
}

.overlay {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

body.has-bg-quinta .overlay {
    background-color: rgba(0, 0, 0, 0.4);
}

header {
    width: 100%;
    padding: 2rem 0;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
}

body.has-bg-quinta header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 1rem;
    gap: 1rem;
}

nav#primary-site-navigation-desktop {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

#menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 100;
}

#menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: #000;
    transition: all 0.3s ease-in-out;
}

body.has-bg-quinta #menu-toggle .bar {
    background-color: #fff;
}

header h1 {
    margin: 0;
    font-weight: 300;
    letter-spacing: 2px;
    color: #000;
    text-transform: none !important;
}

body.has-bg-quinta header h1 {
    color: #fff;
}

nav {
    margin-top: 1rem;
}

nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #007bff;
    font-size: 1.1rem;
    font-weight: bold;
    text-transform: none !important;
}

body.has-bg-quinta nav a {
    color: #ff0;
}

nav a:hover {
    color: #000;
}

body.has-bg-quinta nav a:hover {
    color: #fff;
}

main a {
    color: #007bff;
    text-decoration: underline;
}

main a:hover {
    color: #0056b3;
}

body.has-bg-quinta main a {
    color: #ff0;
    text-decoration: none;
}

body.has-bg-quinta main a:hover {
    color: #fff;
    text-decoration: underline;
}

main {
    width: 100%;
    margin: 0;
    padding: 3rem;
    box-sizing: border-box;
}

footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.8rem;
    color: #777;
}

img {
    max-width: 100%;
    height: auto;
}

.content-image {
    max-width: 300px;
    height: auto;
    display: block;
}

blockquote {
    font-style: italic;
    border-left: 5px solid #007bff;
    padding-left: 20px;
    margin-left: 0;
    font-size: 1.1rem;
    color: inherit;
}

body.has-bg-quinta blockquote {
    border-left: 5px solid #ff0;
    color: #fff;
    text-shadow: 1px 1px 2px #000;
}

h2, h3, h4 {
    font-weight: 400;
    text-transform: none !important;
}

.home-title {
    text-align: center;
    font-weight: 300;
    letter-spacing: 5px;
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px #000;
    font-size: 3rem;
}

.home-navigation-links {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 20px;
}

.home-main-area {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 2rem;
}

.home-image-container {
    flex: 0 0 auto;
}

.home-quote-container {
    flex: 1;
}

.home-quote {
    font-style: italic;
    border-left: 4px solid #ff0;
    padding-left: 15px;
    margin: 0;
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px #000;
}

.home-quote-cite {
    text-align: right;
    font-size: 1rem;
    margin-top: 5px;
}

@media screen and (max-width: 768px) {
    .home-title {
        font-size: 2rem;
        letter-spacing: 2px;
        margin-bottom: 20px;
    }

    .home-main-area {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .home-image-container {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .home-quote {
        font-size: 1.1rem;
        border-left: none;
        border-top: 2px solid #ff0;
        padding-top: 15px;
        padding-left: 0;
    }

    .home-quote-cite {
        text-align: center;
    }

    header h1 {
        font-size: 1.5rem;
    }

    main {
        padding: 1.5rem;
    }
}

.home-navigation-links a {
    margin: 5px 15px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
    text-transform: none !important;
}

body.has-bg-quinta .home-navigation-links a {
    color: #ff0;
    text-shadow: 1px 1px 2px #000;
}

body.has-bg-quinta .home-navigation-links a:hover {
    color: #fff;
}

.home-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 70vh;
}

header.is-home {
    display: none;
}

@media screen and (max-width: 768px) {
    header.is-home {
        display: block;
        padding: 1rem 0;
    }
    
    header.is-home h1 {
        display: none; /* Hide redundant title on mobile home if needed, or keep it */
    }

    .home-navigation-links.mobile-hidden {
        display: none;
    }

    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    #menu-toggle {
        display: block;
    }

    nav#primary-site-navigation-desktop {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.95);
        position: absolute;
        top: 100%;
        left: 0;
        padding: 1rem 0;
        z-index: 99;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    body.has-bg-quinta nav#primary-site-navigation-desktop {
        background-color: rgba(20, 20, 20, 0.95);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-open nav#primary-site-navigation-desktop {
        display: flex;
    }

    nav#primary-site-navigation-desktop a {
        margin: 5px 0;
        padding: 10px;
        display: block;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    body.has-bg-quinta nav#primary-site-navigation-desktop a {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    /* Animation for hamburger to X */
    .nav-open #menu-toggle .bar:nth-child(2) {
        opacity: 0;
    }
    .nav-open #menu-toggle .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .nav-open #menu-toggle .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* Fix menu items color and background on mobile home */
    body.has-bg-quinta .nav-open nav#primary-site-navigation-desktop {
        background-color: rgba(0, 0, 0, 0.9);
    }
    
    .nav-open nav#primary-site-navigation-desktop a {
        color: #fff;
    }
}

/* Table of Contents */
#toc {
    background: #f9f9f9;
    padding: 1rem;
    border: 1px solid #ddd;
    margin-bottom: 2rem;
    border-radius: 4px;
}

#toc h2 {
    margin-top: 0;
    font-size: 1.2rem;
}

#toc ul {
    list-style-type: none;
    padding-left: 1rem;
}

#toc a {
    text-decoration: none;
}

/* Back to top button */
#back-to-top {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    transition: background-color 0.3s;
}

#back-to-top:hover {
    background-color: #0056b3;
}

/* Book Gallery (legacy shortcode) */
.book-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.book-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}

.book-item:hover {
    transform: translateY(-5px);
}

.book-item img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    object-fit: cover;
}

@media screen and (max-width: 480px) {
    .book-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
}

/* Enhanced Books Page */
.books-page {
    margin-top: 1.5rem;
}

.books-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.book-search-input {
    flex: 1 1 260px;
    padding: 0.55rem 0.9rem;
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.95rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s;
    color: #333;
}

.book-search-input:focus {
    border-color: #555;
}

.book-filter-group {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.4rem 0.85rem;
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.85rem;
    border: 1px solid #ccc;
    border-radius: 20px;
    background: #fff;
    color: #555;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: #888;
    color: #222;
}

.filter-btn.active {
    background: #333;
    color: #fff;
    border-color: #333;
}

.filter-count {
    display: inline-block;
    background: rgba(255,255,255,0.25);
    border-radius: 10px;
    padding: 0 0.4em;
    font-size: 0.8em;
    margin-left: 0.2em;
}

.filter-btn:not(.active) .filter-count {
    background: rgba(0,0,0,0.08);
    color: #666;
}

.books-result-count {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.85rem;
    color: #888;
    margin: 0 0 1.2rem;
}

.books-no-results {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    color: #888;
    text-align: center;
    padding: 2rem 0;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
    align-items: start;
}

.book-card {
    display: flex;
    flex-direction: column;
    border: 1px solid #e8e8e8;
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    background: #fff;
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.book-cover {
    width: 100%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    aspect-ratio: 3 / 4;
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.book-info {
    padding: 0.9rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
}

.book-role-badge {
    display: inline-block;
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.2em 0.6em;
    border-radius: 3px;
    width: fit-content;
    margin-bottom: 0.2rem;
}

.book-role-author {
    background: #e8f0fe;
    color: #1a56db;
}

.book-role-editor {
    background: #fef3e2;
    color: #b45309;
}

.book-title {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0;
    color: #222;
}

.book-title-en {
    font-family: 'Merriweather', Georgia, serif;
    font-size: 0.8rem;
    font-style: italic;
    color: #666;
    margin: 0;
    line-height: 1.4;
}

.book-contributors {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.82rem;
    color: #555;
    margin: 0;
    line-height: 1.4;
}

.book-meta {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.82rem;
    color: #444;
    margin: 0;
    line-height: 1.5;
}

.book-year {
    font-weight: 700;
}

.book-series {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.78rem;
    font-style: italic;
    color: #777;
    margin: 0;
}

.book-isbn,
.book-doi {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.75rem;
    color: #999;
    margin: 0;
}

.book-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.book-link {
    font-family: 'Lato', Helvetica, Arial, sans-serif;
    font-size: 0.78rem;
    padding: 0.25rem 0.6rem;
    border: 1px solid #ccc;
    border-radius: 3px;
    text-decoration: none;
    color: #444;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.book-link:hover {
    background: #333;
    color: #fff;
    border-color: #333;
}

@media screen and (max-width: 600px) {
    .books-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .book-search-input {
        width: 100%;
        box-sizing: border-box;
    }

    .books-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1.2rem;
    }

    .book-info {
        padding: 0.7rem 0.8rem 0.8rem;
    }
}