/* =============================================
   Custom overrides — differentiates from base Colorlib template
   ============================================= */

/* Publication lists — matches body text style, prefixed C/J/B labels */
.pub-list {
    padding-left: 0;
    margin-bottom: 0;
    counter-reset: pub-counter;
}
.pub-list li {
    list-style: none;
    counter-increment: pub-counter;
    color: #555;
    font-weight: 300;
    font-family: 'Poppins', sans-serif;
    line-height: 1.82em;
    margin-bottom: 0.9em;
    padding-left: 3em;
    position: relative;
}
.pub-list li::before {
    position: absolute;
    left: 0;
    font-weight: 600;
    color: #1c2e4a;
    width: 2.8em;
}
.conf-list li::before { content: "[C" counter(pub-counter) "]"; }
.jour-list li::before { content: "[J" counter(pub-counter) "]"; }
.book-list li::before { content: "[B" counter(pub-counter) "]"; }
.abs-list  li::before { content: "[A" counter(pub-counter) "]"; }
.pub-list li em {
    color: #555;
    font-weight: 300;
}
.pub-list li strong {
    font-weight: 600;
    color: #333;
}

/* Highlighted venue names for top journals and A* conferences */
.venue-hl {
    font-weight: 700;
    font-size: 1.1em;
    color: #1c2e4a;
}

/* Publication link badges */
.pub-links {
    font-size: 13px;
    color: #666;
    margin-left: 5px;
    white-space: nowrap;
}
.pub-links a {
    color: #2563a0;
    text-decoration: none;
}
.pub-links a:hover {
    text-decoration: underline;
}

/* --- Nav & Header --- */
#header {
    background: #1c2e4a;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.nav-menu > li > a {
    color: #d6e4f0 !important;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
    color: #7ec8e3 !important;
}

/* --- Banner / page hero --- */
.about-banner,
.relative.about-banner {
    background: #1c2e4a !important;
}

/* --- Links --- */
a {
    color: #2563a0;
}
a:hover {
    color: #1a3f6e;
    text-decoration: underline;
}

/* --- Content bullets — disc style matching news items, across all tabs --- */
.whole-wrap .unordered-list {
    padding-left: 1.2rem;
    list-style: disc;
}
.whole-wrap .unordered-list li {
    list-style: disc;
    padding-left: 0.3rem;
    color: #3a3a3a;
    line-height: 1.6 !important;
    margin-bottom: 6px;
}
.whole-wrap .unordered-list li::before {
    display: none;
}
.whole-wrap .unordered-list li strong {
    font-weight: 600;
    color: #333;
}

/* --- Consistent spacing before section and sub-section headings --- */
.section-top-border div + h3,
.section-top-border div + a + h3,
.section-top-border div + h5 {
    margin-top: 2.5rem;
}
.section-top-border h3 + h5 {
    margin-top: 1.2rem;
}

/* --- Section headings --- */
.section-top-border h3,
.whole-wrap h3 {
    color: #1c2e4a;
    border-bottom: 2px solid #7ec8e3;
    padding-bottom: 6px;
    display: inline-block;
}

/* =============================================
   News timeline
   ============================================= */
.news-timeline {
    margin-top: 8px;
}

.news-year-block {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 1.4rem;
}

.news-year-tag {
    flex-shrink: 0;
    background: #1c2e4a;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 3px 11px;
    border-radius: 3px;
    letter-spacing: 0.04em;
    margin-top: 2px;
    min-width: 46px;
    text-align: center;
    line-height: 1.6;
}

.news-items {
    margin: 0;
    padding-left: 1.1rem;
    list-style: disc;
    flex: 1;
}

.news-items li {
    font-size: 15px;
    color: #3a3a3a;
    margin-bottom: 5px;
    line-height: 1.55;
}

/* Collapsible earlier news */
.news-earlier summary {
    cursor: pointer;
    color: #2563a0;
    font-size: 0.9rem;
    margin-bottom: 12px;
    user-select: none;
}

.news-earlier summary:hover {
    color: #1a3f6e;
}

/* --- Publication cards on home page --- */
.card {
    border: 1px solid #dce8f2;
    border-radius: 6px;
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(28,46,74,0.13);
}

.card-footer {
    background: #f0f6fb;
    border-top: 1px solid #dce8f2;
}

/* --- Footer --- */
.footer-area {
    background: #f5f8fa;
    border-top: 1px solid #dce8f2;
}

.footer-text {
    color: #7a8fa6;
    font-size: 0.85rem;
}