/* Page styles moved out of the inline <style> block in v8.0 (unchanged rules).
   Loaded before css/site.css, exactly where the inline block used to be. */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--lu-dark-grey); background-color: var(--lu-white); line-height: 1.6; font-size: 16px; }
a { text-decoration: none; color: var(--lu-bronze); transition: color 0.2s ease; }
a:hover { color: var(--lu-link-hover); text-decoration: underline; }

.main-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 40px; background-color: var(--lu-white); border-bottom: 2px solid var(--lu-grey); }
.logo img { height: 64px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { font-family: var(--font-sans); font-size: 16px; font-weight: 400; color: var(--lu-dark-grey); padding-bottom: 4px; border-bottom: 2px solid transparent; transition: all 0.2s ease; }
.main-nav a:hover { color: var(--lu-dark-blue); border-bottom-color: var(--lu-dark-blue); text-decoration: none; }
.main-nav a.active { color: var(--lu-dark-blue); border-bottom-color: var(--lu-dark-blue); }
.search-btn { background: none; border: none; font-size: 18px; color: var(--lu-dark-grey); cursor: pointer; transition: color 0.2s; }
.search-btn:hover { color: var(--lu-dark-blue); }

.content-area { max-width: 1200px; margin: 0 auto; padding: 48px 40px; min-height: 60vh; }
.content-area h1 { font-family: var(--font-serif); font-size: 2.4rem; color: var(--lu-dark-blue); margin-bottom: 16px; font-weight: 400; }

.intro { margin-bottom: 24px; max-width: 800px; }

.filters {
    background: var(--lu-bg-light);
    border: 1px solid var(--lu-border);
    border-radius: 4px;
    padding: 24px;
    margin-bottom: 24px;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.filter-group label {
    display: block;
    font-size: var(--fs-small);
    font-weight: var(--fw-label);
    color: var(--lu-text);
    margin-bottom: 6px;
    text-transform: none;
    letter-spacing: 0;
}

.filter-group input,
.filter-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--lu-field-border);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--lu-text);
    background: var(--lu-white);
}

.filter-group input:focus,
.filter-group select:focus {
    outline: 2px solid var(--lu-light-blue);
    border-color: var(--lu-dark-blue);
}

.filter-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--lu-border);
}

.results-count {
    font-size: var(--fs-small);
    color: var(--lu-dark-grey);
}

.results-count strong {
    color: var(--lu-dark-blue);
}

.btn-reset {
    padding: 8px 16px;
    background: var(--lu-white);
    border: 1px solid var(--lu-gray-900);
    color: var(--lu-text);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: var(--fs-small);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-reset:hover {
    background: var(--lu-gray-900);
    color: var(--lu-white);
}

.publication-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.publication-item {
    background: var(--lu-bg-light);
    border-left: 4px solid var(--lu-bronze);
    border-radius: 4px;
    padding: 20px 24px;
    transition: box-shadow 0.3s ease;
}

.publication-item:hover {
    box-shadow: 0 4px 12px rgba(33, 37, 41, 0.1);
}

.publication-item h3 {
    font-family: var(--font-serif);
    font-size: var(--fs-h4);
    font-weight: 400;
    margin-bottom: 8px;
    line-height: var(--lh-h4);
}

.pub-number {
    display: inline-block;
    min-width: 2.2em;
    margin-right: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--lu-text-muted);
}

.publication-item h3 a {
    color: var(--lu-dark-blue);
}

.publication-item h3 a:hover {
    color: var(--lu-bronze);
}

.pub-authors {
    font-size: var(--fs-small);
    color: var(--lu-dark-grey);
    margin-bottom: 6px;
}

.pub-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: var(--fs-small);
    color: var(--lu-dark-grey);
}

.pub-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pub-meta .journal {
    font-style: italic;
}

.pub-meta .citations {
    font-weight: 600;
    color: var(--lu-text-muted);
}

.pub-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 10px;
}

.pub-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-small);
    font-weight: 600;
}

.loading, .error, .empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--lu-dark-grey);
}

.error { color: #8b0000; }

.site-footer { border-top: 3px solid var(--lu-bronze); background-color: var(--lu-white); padding: 32px 40px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }

.back-to-top {
    position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px;
    background-color: var(--lu-bronze); color: var(--lu-white); border: none;
    border-radius: 50%; font-size: 20px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); z-index: 999;
}
.back-to-top:hover { background-color: var(--lu-link-hover); }

@media (max-width: 768px) {
    .social-bar, .main-header { padding-left: 16px; padding-right: 16px; }
    .main-header { flex-direction: column; gap: 16px; }
    .main-nav { flex-wrap: wrap; justify-content: center; gap: 16px; }
    .content-area { padding: 32px 16px; }
    .site-footer { padding: 24px 16px; }
    .footer-inner { flex-direction: column; }

}