:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --border: rgba(255,255,255,0.07);
  --text: #e8e8f0;
  --muted: #7a7a9a;
  --accent: #7c6af7;
  --accent2: #4fd1c5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.7;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

.cursor-glow {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,106,247,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: left 0.2s ease, top 0.2s ease;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10,10,15,0.82);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.nav-logo {
  font-family: 'DM Serif Display', serif;
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.6rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

.nav-links a.active,
.nav-links a:hover { color: var(--text); }

main {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  margin: 0 auto;
  padding: 7rem 1.5rem 3rem;
}

.page-header { margin-bottom: 2rem; }

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-title {
  margin: 0.6rem 0 0;
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
}

.content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.content a { color: var(--accent2); }

.content .title,
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6,
.content p,
.content li,
.content span,
.content div { color: inherit; }

.content .badge.grey,
.content .badge.light-green,
.content .btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
}

.content img { max-width: 100%; border-radius: 10px; }

.content > div[style*="border-top"] {
  border-color: var(--border) !important;
  padding-top: 1rem;
  margin-top: 1rem;
}

.content .bibliography {
  padding-left: 1.2rem;
  margin: 0.5rem 0 0.9rem;
}

.content .bibliography li { margin-bottom: 0.9rem; }

.content .year-group {
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  padding-top: 1rem;
}

.content .year-divider { border-top: 1px solid var(--border); }

.content .paper-item {
  display: block;
  padding: 0.2rem 0;
}

.content .projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.content .project-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
  background: rgba(255,255,255,0.02);
}

.year-heading {
  font-family: 'DM Serif Display', serif;
  font-size: 1.45rem;
  margin: 0 0 1rem;
}

.pub-cards,
.update-cards {
  display: grid;
  gap: 1rem;
}

.pub-card,
.update-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  background: rgba(255,255,255,0.02);
}

.pub-card-head,
.update-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.pub-date {
  font-size: 0.78rem;
  color: var(--muted);
}

.pub-card-title,
.update-title {
  margin: 0 0 0.45rem;
  font-size: 1.1rem;
  line-height: 1.4;
}

.pub-card-meta,
.pub-card-venue,
.pub-card-abs,
.update-summary,
.update-content {
  margin: 0.4rem 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.btn-mini-wrap {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.btn-mini {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.78rem;
}

.btn-mini:hover {
  border-color: rgba(255,255,255,0.25);
}

.update-links a {
  color: var(--accent2);
  text-decoration: none;
}

.update-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.6rem;
  margin-top: 0.6rem;
}

.update-image {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}

footer {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding: 2.2rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  nav { padding: 0.9rem 1rem; }
  .nav-links { gap: 0.8rem; }
  .nav-links a { letter-spacing: 0.08em; font-size: 0.7rem; }
  .content { padding: 1rem; }
}