* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 15px;
    line-height: 1.7;
    background: #fff;
    color: #000;
}

/* ── Container ──────────────────────────────────── */
.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Site header ────────────────────────────────── */
.site-header {
    text-align: center;
    padding: 40px 0 0;
    border-bottom: 1px solid #aaa;
}

.site-title {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 30px;
    font-weight: normal;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #000;
    margin-bottom: 22px;
    text-decoration: none;
    display: block;
}

/* ── Top navigation ─────────────────────────────── */
.top-nav {
    display: flex;
    justify-content: center;
    gap: 28px;
    padding: 14px 0;
}

.top-nav a {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: #000;
    text-decoration: none;
}

.top-nav a:hover {
    text-decoration: underline;
}

.top-nav a.active {
    text-decoration: underline;
}

/* ── Main content ───────────────────────────────── */
.main-content {
    padding: 28px 0 60px;
}

/* ── Section headers ────────────────────────────── */
.section-header {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-weight: bold;
    color: #000;
    border-bottom: 1px solid #bbb;
    margin: 22px 0 12px 0;
    padding-bottom: 4px;
}

h3.subsec {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-weight: bold;
    color: #000;
    border-bottom: 1px solid #ddd;
    padding-bottom: 3px;
    margin: 18px 0 8px;
}

hr.section-rule {
    border: none;
    border-top: 1px solid #ddd;
    margin: 22px 0;
}

/* ── About section ──────────────────────────────── */
.about-grid {
    display: flex;
    gap: 22px;
    margin-bottom: 14px;
}

.about-photo img {
    width: 140px;
    height: 140px;
    border: 1px solid #ccc;
    display: block;
}

.about-text {
    flex: 1;
    font-size: 15px;
    line-height: 1.7;
}

/* ── Contact links ──────────────────────────────── */
.contact-links {
    margin-top: 10px;
    font-size: 15px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 0;
}

.contact-links a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #3a5fa8;
    text-decoration: none;
}

.contact-links a:hover { text-decoration: underline; }
.contact-links i,
.contact-links .ai { font-size: 16px; vertical-align: middle; }
.contact-sep { color: #bbb; margin: 0 8px; }
.contact-plain { color: #3a5fa8; }

/* ── Article list (home page) ───────────────────── */
.article-list { counter-reset: art; }

.article-item {
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.7;
    padding-left: 42px;
    position: relative;
}

.article-list .article-item::before {
    counter-increment: art;
    content: "[" counter(art) "]";
    position: absolute;
    left: 0;
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    font-family: Arial, Helvetica, sans-serif;
}

.article-item a { color: #3a5fa8; text-decoration: none; }
.article-item a:hover { text-decoration: underline; }

.article-item .pub-venue,
.pub-body .jname {
    font-style: normal;
    font-weight: bold;
}

.article-item .pub-link { font-size: 13px; display: inline; }
.article-item .pub-link a,
.pub-body > a {
    color: #3a5fa8;
    text-decoration: underline;
}

/* ── Numbered pub list (research page) ─────────── */
.pub-item {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 15px;
    line-height: 1.7;
}

.pub-num {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    min-width: 36px;
    color: #666;
    flex-shrink: 0;
}

.pub-body a { color: #3a5fa8; text-decoration: none; }
.pub-body a:hover { text-decoration: underline; }

/* ── Code & Data ─────────────────────────────────── */
.code-data {
    display: block;
    font-size: 13px;
    color: #555;
    margin-top: 3px;
}

.code-data .cd-label { font-weight: bold; color: #333; }

.code-data a {
    color: #3a5fa8;
    text-decoration: underline;
}

/* ── Badge tags ─────────────────────────────────── */
.badge {
    display: inline-block;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    padding: 1px 6px;
    margin-left: 4px;
    vertical-align: middle;
    border: 1px solid;
}

.badge-pub { background: #e8f5e8; color: #2a6b2a; border-color: #7ab87a; }
.badge-wp  { background: #fff8e0; color: #7a5500; border-color: #ddb755; }
.badge-new { background: #ffe8e8; color: #880000; border-color: #cc5555; }
.badge-sw  { background: #e8eeff; color: #2244aa; border-color: #7799dd; }

/* ── CV entries ─────────────────────────────────── */
.cv-entry {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.7;
}

.cv-year {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    min-width: 90px;
    color: #555;
    font-style: italic;
    flex-shrink: 0;
}

.cv-body strong { font-weight: bold; }

.cv-sub {
    padding-left: 14px;
    color: #444;
    line-height: 1.7;
    display: block;
}

.cv-sub::before { content: "– "; color: #aaa; }

/* ── Talks ──────────────────────────────────────── */
.talk-block { margin-bottom: 16px; }

.talk-year-label {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-weight: bold;
    color: #000;
    border-bottom: 1px solid #eee;
    padding-bottom: 3px;
    margin-bottom: 7px;
}

.talk-item {
    padding-left: 20px;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 5px;
    position: relative;
}

.talk-item::before { content: "·"; position: absolute; left: 7px; color: #999; }

/* ── Project / info boxes ────────────────────────── */
.proj-logo {
    width: 100%;
    max-width: 220px;
    max-height: 74px;
    object-fit: contain;
    display: block;
    margin-bottom: 10px;
}

.proj-badges {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin: 6px 0 10px 0;
}

.proj-badges a { display: block; line-height: 0; }
.proj-badges img { height: 20px; width: auto; max-width: 100%; }

/* ── Global link reset in main ───────────────────── */
.main-content a {
    color: #3a5fa8;
    text-decoration: none;
    font-weight: normal;
}

.main-content a:hover { text-decoration: underline; }
.main-content a::before { content: none; }

/* Override for contact links */
.contact-links a::before { content: none; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 640px) {
    .site-title { font-size: 22px; letter-spacing: 2px; }
    .top-nav { flex-wrap: wrap; gap: 10px 16px; }
    .about-grid { flex-direction: column; }
    .cv-entry { flex-direction: column; gap: 2px; }
}