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: grid;
    gap: 1.2rem;
}

.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;
    }
}


/* 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;
}