:root {
  --bg: #0b1016;
  --surface: #111923;
  --text: #d2dee7;
  --text-muted: #92a6b4;
  --accent: #5ff4d2;
  --accent-soft: rgba(95, 244, 210, 0.12);
  --border: #1c2835;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Fira Code', 'SFMono-Regular', Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  --radius: 12px;
  --transition: all 0.25s ease;
}

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

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: 0.01em;
  min-height: 100vh;
}

.page {
  display: flex;
  min-height: 100vh;
}

.terminal-nav {
  width: 260px;
  padding: 2.5rem 1.75rem;
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.nav-brand .cursor {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.nav-item {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: lowercase;
  padding: 0.65rem 0.9rem;
  text-align: left;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.nav-item .token {
  color: var(--accent);
  font-size: 0.85rem;
}

.nav-item:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-soft);
}


.contact-panel {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.contact-heading {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
}
.nav-item.active {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-soft);
}

.terminal-main {
  flex: 1;
  padding: 3.5rem 4.5rem;
  display: flex;
  flex-direction: column;
  gap: 5rem;
  max-width: 960px;
}

.terminal-section {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.terminal-section.visible {
  opacity: 1;
  transform: translateX(0);
}

.about-wrap {
  display: flex;
  align-items: flex-start;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.profile-photo {
  width: 180px;
  height: 180px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  flex: 0 0 auto;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-body {
  flex: 1;
  min-width: 240px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

h1 {
  font-size: 2.6rem;
  margin-bottom: 1rem;
  font-weight: 500;
  color: var(--accent);
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.bio {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
}

.bio p {
  margin-bottom: 0.8rem;
}

.news-feed {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.news-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 0;
  margin: 0;
}

.news-item {
  position: relative;
  padding-left: 1.25rem;
  font-family: var(--font-body);
  color: var(--text);
}

.news-item::before {
  content: "\2022";
  position: absolute;
  left: 0;
  top: 0.2rem;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1;
}

.publication-feed {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.publications-list {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.publication {
  padding: 1.5rem 0 1.5rem 1.5rem;
  border-left: 2px solid var(--border);
  position: relative;
}

.publication::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 0;
  height: 100%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.publication:hover::before {
  opacity: 0.7;
}

.publication-body {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1.6rem;
  align-items: flex-start;
}

.publication-figure {
  flex: 0 0 220px;
  width: 220px;
  height: 165px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}

.publication-figure img,
.publication-figure video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.publication-figure video {
  background: #000;
}

.publication-content {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.publication-header {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.publication .authors {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.publication .venue {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.publication .note {
  font-size: 0.9rem;
  color: var(--accent);
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.pub-links a {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.pub-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.contact-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition);
}

.contact-icon:hover,
.contact-icon:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.contact-icon i {
  font-size: 1.15rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(95, 244, 210, 0.2);
}


.loading-indicator,
.empty-state,
.error-state {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.error-state {
  color: #ff8f8f;
}

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

a:hover {
  color: #7bffdd;
}

@media (max-width: 1100px) {
  .terminal-main {
    padding: 3rem;
  }
}

@media (max-width: 960px) {
  .page {
    flex-direction: column;
  }

  .terminal-nav {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1.8rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1.5rem;
  }

  .contact-panel {
    margin-top: 1.5rem;
    width: 100%;
  }

  .nav-menu {
    flex-direction: row;
    gap: 0.5rem;
    width: 100%;
    flex-wrap: wrap;
  }

  .nav-item {
    font-size: 0.85rem;
    padding: 0.5rem 0.7rem;
  }

  .terminal-main {
    padding: 2.5rem 1.5rem 4rem;
  }
}

@media (max-width: 720px) {
  .about-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .profile-photo {
    width: 140px;
    height: 140px;
  }

  .publication-figure {
    flex: 1 1 100%;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 600px) {
  .terminal-main {
    padding: 2rem 1.2rem 3rem;
  }

  h1 {
    font-size: 2.1rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .pub-links {
    gap: 0.5rem;
  }

  .pub-links a {
    letter-spacing: 0.1em;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .terminal-section {
    transform: none;
    opacity: 1;
  }
}