/* ---------- Publications — academic deep-blue palette, clean scholarly type ---------- */
:root {
  --bg: #0a0e16;
  --panel: #11151f;
  --panel-2: #161c28;
  --panel-3: #1d2533;
  --border: #232c3d;
  --text: #ecedf2;
  --muted: #98a1b3;
  --dim: #5a6175;
  --accent: #7aa2f7;
  --accent-hot: #a4c0fb;
  --gold: #e0af68;
  --teal: #7dcfff;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
a { color: var(--accent-hot); text-decoration: none; }
a:hover { color: var(--teal); }

/* ---------- Nav ---------- */
nav.top {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: rgba(10, 14, 22, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
nav.top .back {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px; letter-spacing: 1px; color: var(--muted);
  transition: color .15s;
}
nav.top .back:hover { color: var(--accent); }
nav.top .brand {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px; letter-spacing: 0.5px; color: var(--text);
}
nav.top .brand .dot { color: var(--accent); }

/* ---------- Cover ---------- */
.cover {
  max-width: 900px;
  margin: 50px auto 0;
  padding: 0 24px;
}
.eyebrow {
  display: inline-block;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.cover h1 {
  margin: 0;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1;
  background: linear-gradient(90deg, var(--accent) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cover .tagline {
  margin: 22px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--muted);
  max-width: 720px;
  line-height: 1.65;
}

/* ---------- Page ---------- */
.page { padding-bottom: 80px; }
.pubs {
  max-width: 900px;
  margin: 60px auto 0;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ---------- Publication card ---------- */
.pub {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 26px 28px;
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
.pub:hover {
  border-color: var(--accent);
  border-left-color: var(--accent-hot);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(122, 162, 247, 0.12);
}
.pub.featured {
  border-left-color: var(--gold);
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
}
.pub.featured:hover {
  border-left-color: var(--gold);
  box-shadow: 0 12px 36px rgba(224, 175, 104, 0.15);
}

.pub-tag {
  display: inline-block;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(122, 162, 247, 0.08);
  border: 1px solid rgba(122, 162, 247, 0.2);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}
.pub.featured .pub-tag {
  color: var(--gold);
  background: rgba(224, 175, 104, 0.08);
  border-color: rgba(224, 175, 104, 0.25);
}

.pub h2 {
  margin: 0 0 12px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  letter-spacing: -0.2px;
  line-height: 1.3;
  color: var(--text);
}

.authors {
  margin: 0 0 4px;
  font-size: 14px;
  color: var(--text);
  font-style: italic;
}

.venue {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--muted);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.2px;
}

.abstract {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: #cdd5e0;
}
.abstract strong { color: var(--text); }
.abstract a { color: var(--accent-hot); border-bottom: 1px solid rgba(164, 192, 251, 0.4); }
.abstract a:hover { color: var(--teal); border-bottom-color: var(--teal); }

/* ---------- Poster image ---------- */
.poster-link {
  display: block;
  margin: 16px 0 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #0a0e16;
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
.poster-link:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(224, 175, 104, 0.18);
}
.poster {
  display: block;
  width: 100%;
  height: auto;
}
.poster-caption {
  display: block;
  padding: 10px 14px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--panel-2);
}

/* ---------- Actions ---------- */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-3);
  color: var(--text) !important;
  transition: border-color .15s, background .15s, transform .1s;
}
.btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #4262b3 100%);
  border-color: #4262b3;
  color: #0a0e16 !important;
}
.btn-primary:hover {
  filter: brightness(1.1);
  border-color: var(--accent-hot);
  color: #0a0e16 !important;
}

/* ---------- Tags ---------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.tags span {
  font-size: 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 999px;
  transition: color .15s, border-color .15s;
  font-family: ui-monospace, monospace;
  letter-spacing: 0.3px;
}
.tags span:hover { color: var(--accent-hot); border-color: var(--accent); }

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 24px 14px;
  color: var(--dim);
  font-size: 12px;
  border-top: 1px solid var(--border);
  font-family: ui-monospace, monospace;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--accent-hot); }