body {
    background-color: var(--background);
    background-size: cover;
    background-attachment: fixed;
    color: var(--text-primary);
    margin: 0;
    font-family: 'Atkinson Hyperlegible', sans-serif;
    min-height: 100vh;
}

/* subtle decorative fallback */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.03) 100%);
    z-index: -1;
    pointer-events: none;
}

.details-top-nav {
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--primary-color);
    border: 1px solid var(--primary-dark);
    border-radius: 99px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--reg-surface);
    backdrop-filter: blur(4px);
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: var(--surface);
    color: var(--primary-dark);
}

.details-page-new {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem 4rem;
}

.details-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    min-height: 50vh;
    background: var(--reg-surface);
    border: 1px dashed var(--border);
    border-radius: 24px;
    text-align: center;
    color: var(--text-primary);
    padding: 2.5rem;
    backdrop-filter: blur(8px);
}

.details-empty-icon {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    display: grid;
    place-items: center;
    background: var(--surface);
    border-radius: 50%;
}

.details-empty h2 {
    color: #e2e8f0;
    margin: 0;
}

.details-grid-new {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Left Column */
.details-main-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
}

.project-badge {
    display: inline-block;
    background: rgba(59,130,246,0.12);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.project-title-large {
    user-select: none;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 1rem 0;
    text-transform: uppercase;
    text-align: justify;
}

.project-authors-line {
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0 0 2rem 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.project-section {
    margin-bottom: 2rem;
}

.project-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 0.85rem;
    color: var(--secondary-color);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0 0 1rem 0;
}

.section-text {
    user-select: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin: 0;
    text-align: justify;
}

/* Right Column */
.details-sidebar-new {
    display: grid;
    gap: 1.5rem;
}

.sidebar-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
}

.sidebar-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 1.2rem 0;
}

.fair-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
    display: grid;
    gap: 1rem;
}

.fair-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.fair-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.fair-list div {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.fair-list strong {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.fair-list span {
    font-size: 0.75rem;
    color: var(--text-primary);
}

.cite-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 0.75rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s;
}

.cite-btn:hover {
    background: var(--primary-dark);
}

.img-provided {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.book-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.book-gallery-thumb {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.2s ease;
}

.book-gallery-thumb:hover {
    transform: scale(1.03);
    border-color: var(--primary-color, #10b981);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

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

.book-gallery-thumb.is-main-cover {
    grid-column: span 3;
    aspect-ratio: 16 / 9;
    max-height: 180px;
}

.book-gallery-thumb.is-main-cover img {
    object-fit: cover;
}

.thumb-cover-tag {
    position: absolute;
    bottom: 6px;
    left: 6px;
    background: rgba(16, 185, 129, 0.9);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.thumb-more-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    backdrop-filter: blur(2px);
}

.no-images-placeholder {
    padding: 1.25rem 0.75rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    color: var(--text-secondary, #9ca3af);
    font-size: 0.82rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

.no-images-placeholder svg {
    opacity: 0.4;
    margin-bottom: 0.25rem;
}

/* Lightbox Modal */
.recaps-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    backdrop-filter: blur(8px);
}

.recaps-lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-main-img {
    max-width: 88vw;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    transition: transform 0.2s ease;
}

.lightbox-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.2s ease;
    z-index: 10;
}

.lightbox-nav-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev-btn {
    left: 20px;
}

.lightbox-next-btn {
    right: 20px;
}

.lightbox-close-btn {
    position: absolute;
    top: 20px;
    right: 24px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s ease;
    z-index: 10;
}

.lightbox-close-btn:hover {
    background: #ef4444;
    transform: scale(1.1);
}

.lightbox-counter {
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    font-weight: 500;
}


.related-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.related-item p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.related-item span {
    font-size: 0.75rem;
    color: var(--text-primary);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-row span {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.info-row strong, .info-row em {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-style: normal;
}

.info-row em {
    color: var(--text-primary);
}


@media (max-width: 992px) {
    .details-grid-new {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .details-page-new {
        padding: 1rem 1rem 3rem;
    }

    .details-main-content {
        padding: 1.5rem 1.25rem;
        border-radius: 12px;
    }

    .sidebar-card {
        padding: 1.25rem 1rem;
        border-radius: 12px;
    }

    .details-top-nav {
        padding: 1rem;
    }

    .project-title-large {
        font-size: clamp(1.25rem, 5vw, 1.8rem);
        text-align: left;
    }

    .section-text {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .details-page-new {
        padding: 0.75rem 0.5rem 2rem;
    }

    .details-main-content {
        padding: 1.25rem 0.85rem;
    }

    .sidebar-card {
        padding: 1rem 0.75rem;
    }

    .details-top-actions {
        margin-bottom: 1rem !important;
    }

    .back-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}


/* Citation Modal Styles */
.citation-tab.active {
    color: var(--primary-color) !important;
    border-bottom-color: var(--primary-color) !important;
}

.citation-tab:hover {
    color: var(--text-primary);
}

#citation-text {
    user-select: all;
}

/* Modal specific overrides for citation modal */
#citation-modal .modal-content {
    max-width: 680px;
}

#citation-modal .modal-backdrop {
    cursor: pointer;
}