/* =============================================
   Personal Research Website — 90s ASCII Style
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:ital,wght@0,400;0,700;1,400&display=swap');

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

:root {
  --bg:      #f7f7f6;
  --text:    #1a1a1a;
  --muted:   #555555;
  --accent:  #1a1a1a;
  --border:  #1a1a1a;
  --link:    #000080;
  --visited: #551a8b;
  --mono:    'Courier Prime', 'Courier New', Courier, monospace;
  --max-w:   700px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

a {
  color: var(--link);
  text-decoration: underline;
}

a:visited {
  color: var(--visited);
}

a:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}

/* --- Layout --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Navigation --- */
nav {
  border-bottom: 2px solid var(--border);
  padding: 0.75rem 0;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.nav-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0;
}

.nav-name:hover {
  background: var(--text);
  color: var(--bg);
}

.nav-links {
  display: flex;
  gap: 0;
  list-style: none;
}

.nav-links li::before {
  content: '[ ';
  color: var(--muted);
}
.nav-links li::after {
  content: ' ]';
  color: var(--muted);
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.85rem;
}

.nav-links a:hover {
  background: var(--text);
  color: var(--bg);
}

/* --- Sections --- */
section {
  padding: 2rem 0;
}

.ascii-divider {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.8rem;
  overflow: hidden;
  white-space: nowrap;
  margin-bottom: 2rem;
  user-select: none;
}

/* --- Section headers --- */
.section-header {
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline;
}

.section-header h2::before {
  content: '> ';
  color: var(--muted);
}

.section-subtitle {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* --- Hero / About --- */
.hero {
  padding: 1rem 0 2rem;
}

.hero-ascii {
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--muted);
  margin-bottom: 1.5rem;
  white-space: pre;
  overflow: hidden;
}

.hero-body {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
}

.hero-text {
  flex: 1;
}

.headshot {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.hero-name {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.2rem;
}

.hero-name::before {
  content: '> ';
  color: var(--muted);
  font-weight: 400;
}

.hero-role {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.1rem;
}

.hero-affiliation {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero-bio {
  font-size: 0.9rem;
  line-height: 1.75;
  max-width: 620px;
  margin-bottom: 1.5rem;
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}

.hero-links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--bg);
}

.btn::before { content: '['; color: var(--muted); }
.btn::after  { content: ']'; color: var(--muted); }

.btn:hover, .btn:visited:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}

.btn:visited {
  color: var(--text);
}

/* --- Bio rows with sprites --- */
.bio-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.bio-row .hero-bio {
  margin-bottom: 0;
}

.bio-sprite {
  flex-shrink: 0;
  width: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pixel-sprite {
  width: 64px;
  height: auto;
  image-rendering: pixelated;
  cursor: pointer;
}

#plasma-sprite {
  width: 82px;
}

#mrna-sprite {
  width: 90px;
}

/* --- News --- */
.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed #aaa;
  align-items: baseline;
}

.news-item:last-child {
  border-bottom: none;
}

.news-date {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}

.news-content {
  font-size: 0.85rem;
  line-height: 1.6;
}

.tag {
  display: inline;
  font-size: 0.78rem;
  font-weight: 700;
}

.tag::before { content: '<'; }
.tag::after  { content: '>'; }

.tag-paper    { color: #000080; }
.tag-talk     { color: #7b5e00; }
.tag-award    { color: #005a2b; }
.tag-misc     { color: var(--muted); }
.tag-preprint { color: #5b0080; }

/* --- Publications --- */
.pub-list {
  display: flex;
  flex-direction: column;
}

.pub-item {
  padding: 1.2rem 0;
  border-bottom: 1px dashed #aaa;
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-number {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.pub-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  line-height: 1.45;
}

.pub-title a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.pub-title a:hover {
  background: var(--text);
  color: var(--bg);
}

.pub-authors {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.pub-authors strong {
  color: var(--text);
  font-weight: 700;
  text-decoration: underline;
}

.pub-venue {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.pub-links {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.pub-link {
  font-size: 0.75rem;
  padding: 0.1rem 0.35rem;
  color: var(--link);
  text-decoration: none;
  border: 1px solid currentColor;
}

.pub-link::before { content: '['; }
.pub-link::after  { content: ']'; }

.pub-link:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* --- Training --- */
.training-list {
  display: flex;
  flex-direction: column;
}

.training-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed #aaa;
  align-items: baseline;
  font-size: 0.85rem;
}

.training-item:last-child {
  border-bottom: none;
}

.training-label {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}

.training-content {
  line-height: 1.6;
}

/* --- Contact --- */
.contact-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  font-size: 0.875rem;
}

.contact-info p {
  margin-bottom: 1rem;
  line-height: 1.75;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-link {
  font-size: 0.85rem;
  color: var(--link);
  text-decoration: none;
}

.contact-link:visited {
  color: var(--visited);
}

.contact-link::before {
  content: '>> ';
  color: var(--muted);
  text-decoration: none;
  font-weight: 400;
}

.contact-link:hover {
  background: var(--text);
  color: var(--bg);
}

/* --- Footer --- */
footer {
  border-top: 2px solid var(--border);
  padding: 1.5rem 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}

footer a { color: var(--muted); }
footer a:hover { background: var(--text); color: var(--bg); }

.footer-ascii {
  white-space: pre;
  font-size: 0.72rem;
  color: #bbb;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

/* --- Responsive --- */
@media (max-width: 560px) {
  .hero-body {
    flex-direction: column-reverse;
  }

  .hero-ascii {
    display: none;
  }

  .pixel-sprite {
    width: 48px;
  }

  #plasma-sprite {
    width: 62px;
  }

  #mrna-sprite {
    width: 62px;
  }

  .bio-sprite {
    width: 70px;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .contact-block {
    grid-template-columns: 1fr;
  }
}