:root {
  --sidebar-width: 320px;
  --page-gutter: 68px;
  --bg: #f7f9f7;
  --surface: #ffffff;
  --text: #14213d;
  --muted: #657186;
  --border: #dfe7e4;
  --teal: #169d9b;
  --blue: #3976e6;
  --violet: #8b5cf6;
  --coral: #f07867;
  --link: #2f67c8;
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root[data-theme="dark"] {
  --bg: #0d1424;
  --surface: #111c30;
  --text: #edf4ff;
  --muted: #a5b1c4;
  --border: #283951;
  --teal: #36c4bb;
  --blue: #79a5ff;
  --violet: #b291ff;
  --coral: #ff907f;
  --link: #91b8ff;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-height: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.58;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 42%, transparent);
  outline-offset: 3px;
}

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

.sidebar {
  position: sticky;
  top: 0;
  align-self: flex-start;
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  overflow: auto;
  padding: 38px 32px 30px;
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.avatar {
  width: 154px;
  height: 154px;
  margin: 0 auto 18px;
  align-self: center;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.name {
  width: 100%;
  font-size: 1.72rem;
  font-weight: 750;
  line-height: 1.15;
  letter-spacing: -.035em;
  text-align: center;
}

.accent {
  display: inline-flex;
  margin-left: 5px;
  padding: 4px 8px;
  color: var(--teal);
  background: color-mix(in srgb, var(--teal) 11%, transparent);
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .03em;
  vertical-align: middle;
}

.role {
  width: 100%;
  margin-top: 10px;
  color: var(--muted);
  font-size: .96rem;
  line-height: 1.48;
  text-align: center;
}

.chips {
  width: 100%;
  display: grid;
  gap: 4px;
  margin-top: 25px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.chip {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: center;
  gap: 11px;
  min-height: 42px;
  padding: 7px 10px;
  color: var(--muted);
  border-radius: 8px;
  font-size: .92rem;
  transition: color .16s ease, background .16s ease;
}

.chip:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--teal) 8%, transparent);
}

.chip svg { width: 18px; height: 18px; flex: 0 0 auto; }
.chip svg path, h2 svg path, .theme-toggle svg path { fill: var(--teal); }

.sidebar-section {
  width: 100%;
  margin-top: 22px;
  padding: 18px 10px 0;
  border-top: 1px solid var(--border);
}

.sidebar-section h3 {
  margin: 0 0 8px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.sidebar p.small {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
}

.main {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 89%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.toolbar {
  width: 100%;
  min-height: 68px;
  padding: 0 var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.site-title .accent {
  margin: 0;
  padding: 0;
  color: var(--text);
  background: transparent;
  font: inherit;
}

.nav {
  align-self: stretch;
  display: flex;
  align-items: stretch;
  gap: 30px;
}

.tab-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: .95rem;
  font-weight: 600;
}

.tab-btn::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
  transform: scaleX(0);
  transition: transform .16s ease;
}

.tab-btn:hover, .tab-btn.active { color: var(--text); }
.tab-btn:hover::after, .tab-btn.active::after { transform: scaleX(1); }

.theme-toggle {
  align-self: center;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--teal);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
}

.theme-toggle svg { width: 17px; height: 17px; }
:root[data-theme="light"] .icon-moon { display: none; }
:root[data-theme="dark"] .icon-sun { display: none; }

.content {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 40px var(--page-gutter) 72px;
}

.content::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: 62%;
  height: 330px;
  opacity: .65;
  background:
    radial-gradient(circle at 18% 40%, color-mix(in srgb, var(--blue) 16%, transparent) 0 3px, transparent 4px),
    radial-gradient(circle at 42% 19%, color-mix(in srgb, var(--teal) 13%, transparent) 0 4px, transparent 5px),
    radial-gradient(circle at 69% 43%, color-mix(in srgb, var(--violet) 12%, transparent) 0 5px, transparent 6px),
    linear-gradient(151deg, transparent 39%, color-mix(in srgb, var(--blue) 8%, transparent) 39.3% 39.7%, transparent 40%),
    linear-gradient(18deg, transparent 59%, color-mix(in srgb, var(--teal) 8%, transparent) 59.3% 59.7%, transparent 60%);
  pointer-events: none;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

h1, h2, h3 { margin-top: 0; color: var(--text); font-family: var(--font); }

h1 {
  margin-bottom: 28px;
  font-size: clamp(2.75rem, 4.2vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -.055em;
  font-weight: 760;
}

h1::before {
  content: "COMPUTATIONAL LIFE  /  LIVING DATA";
  display: block;
  margin-bottom: 17px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: .68rem;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: .16em;
}

h2 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 44px 0 20px;
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: -.025em;
}

h2 svg { width: .82em; height: .82em; }
h3 { font-size: 1.08rem; line-height: 1.35; }
p { margin: 8px 0 12px; }
ul { margin: 0; padding: 0; }
li { margin: 0; }
.muted { color: var(--muted); }

.intro a, .content p > a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--link) 34%, transparent);
  text-underline-offset: 3px;
}

/* Home */
.about-hero {
  position: relative;
  min-height: 405px;
  padding: 4px 52% 30px 0;
}

.about-hero h1 { margin-bottom: 24px; }

.about-hero .intro {
  max-width: 650px;
  color: var(--muted);
  font-size: 1rem;
}

.about-hero .intro:first-of-type { color: var(--text); }

.science-visual {
  position: absolute;
  top: 54px;
  right: -18px;
  width: 60%;
  height: 330px;
  display: flex;
  align-items: center;
}

.science-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: darken;
}

.placeholder-badge {
  position: absolute;
  right: 10px;
  bottom: 8px;
  padding: 3px 7px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

#home .news-list {
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 54px) / 4);
  gap: 18px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: 0 0 14px;
  scroll-padding-inline: 1px;
  scroll-snap-type: inline mandatory;
  scrollbar-color: color-mix(in srgb, var(--teal) 58%, transparent) transparent;
  scrollbar-width: thin;
}

#home .news-list:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 34%, transparent);
  outline-offset: 5px;
}

#home .news-list::-webkit-scrollbar { height: 7px; }
#home .news-list::-webkit-scrollbar-track { background: transparent; }
#home .news-list::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--teal) 48%, transparent);
  border-radius: 999px;
}

#home .news-list::before, #home .news-item::before { display: none; }

#home .news-item {
  display: block;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  scroll-snap-align: start;
}

#home .news-thumb-link {
  width: 100%;
  display: block;
  overflow: hidden;
  border-radius: 10px;
}

#home .news-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
}

#home .news-body { padding: 14px 0 0; }
#home .news-item h3 { margin: 0 0 7px; font-size: 1.05rem; }
#home .news-item .muted { font-size: .9rem; }

.news-meta {
  color: var(--teal);
  font-family: var(--mono);
  font-size: .72rem;
}

.news-actions { margin-top: 8px; }

.read-more,
.pub-item .meta a {
  color: var(--link);
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--link) 30%, transparent);
  text-underline-offset: 3px;
}

.edu-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.edu-item {
  min-width: 0;
  padding: 20px 0 4px;
  border-top: 2px solid var(--border);
}

.edu-header {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 16px;
  align-items: start;
}

.edu-logo {
  width: 68px;
  height: 68px;
  object-fit: contain;
}

.edu-header > div:first-of-type { min-width: 0; }
.degree { font-weight: 720; line-height: 1.35; }
.field, .school { color: var(--muted); font-size: .9rem; }
.dates {
  grid-column: 2;
  color: var(--teal);
  font-family: var(--mono);
  font-size: .72rem;
}

/* Publications */
.pub-list {
  list-style: none;
  width: 100%;
  border-top: 1px solid var(--border);
}

#publications .pub-item {
  display: grid;
  grid-template-columns: 78px 240px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}

.pub-year {
  align-self: start;
  padding-top: 5px;
  color: var(--text);
  font-size: 1.45rem;
  font-weight: 720;
}

.pub-figure {
  position: relative;
  align-self: start;
  width: 240px;
  aspect-ratio: 4 / 3;
  margin: 18px 0 0;
  overflow: hidden;
  background: #fff;
  border-radius: 12px;
}

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

.pub-content {
  min-width: 0;
  align-self: start;
}

.pub-category {
  margin-bottom: 9px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

#publications .pub-item:nth-child(2) .pub-category { color: var(--violet); }
#publications .pub-item:nth-child(3) .pub-category { color: var(--blue); }
#publications .pub-item:nth-child(4) .pub-category { color: var(--coral); }

.pub-item .title {
  font-size: 1.18rem;
  font-weight: 720;
  line-height: 1.35;
  letter-spacing: -.018em;
}

.pub-item .meta {
  margin-top: 7px;
  color: var(--muted);
  font-size: .9rem;
}

.pub-item .meta strong { color: var(--text); }
.pub-item .pub-venue {
  margin-top: 4px;
  color: var(--teal);
  font-family: var(--mono);
  font-size: .76rem;
}
.pub-item .pub-venue strong { color: inherit; }
.pub-item .meta a { display: inline-block; margin: 4px 4px 0 0; }
.pub-item .pub-authors a {
  display: inline;
  margin: 0;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--muted) 28%, transparent);
  text-underline-offset: 2px;
}
.pub-item .pub-authors a:hover { color: var(--link); }

.pub-abstract {
  margin-top: 9px;
  overflow-anchor: none;
}

.pub-abstract summary {
  width: max-content;
  color: var(--link);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 650;
  list-style: none;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--link) 30%, transparent);
  text-underline-offset: 3px;
}

.pub-abstract summary::-webkit-details-marker { display: none; }
.pub-abstract summary::after {
  content: "+";
  display: inline-block;
  margin-left: 7px;
  color: var(--teal);
  font-family: var(--mono);
  text-decoration: none;
}
.pub-abstract[open] summary::after { content: "−"; }

.pub-abstract p {
  max-width: 78ch;
  margin: 11px 0 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.68;
}

.research-footer {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.research-footer p { margin: 0 0 5px; color: var(--muted); }
.research-footer a { color: var(--link); font-weight: 700; }

/* Project */
#projects .pub-list { border-top: 0; }

#projects .pub-item {
  display: grid;
  grid-template-columns: minmax(330px, .82fr) minmax(480px, 1.18fr);
  gap: 42px;
  align-items: center;
  padding: 18px 0 34px;
  border-bottom: 1px solid var(--border);
}

.project-copy { min-width: 0; }

#projects .title {
  font-size: clamp(1.8rem, 3.2vw, 2.65rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -.035em;
}

#projects .pub-item p {
  max-width: 50ch;
  margin-top: 20px;
  color: var(--muted);
}

.project-figure {
  position: relative;
  width: 100%;
  margin: 0;
}

.project-figure img {
  width: 100%;
  display: block;
  object-fit: contain;
}

/* News index */
#news .news-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

#news .news-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 30px;
  bottom: 30px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(var(--coral), var(--blue), var(--teal), var(--violet));
}

#news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 118px 220px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 24px 0 24px 38px;
  border-bottom: 1px solid var(--border);
}

#news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 29px;
  width: 16px;
  height: 16px;
  border: 4px solid var(--bg);
  border-radius: 50%;
  background: var(--blue);
}

#news .news-item:nth-child(1)::before { background: var(--coral); }
#news .news-item:nth-child(3)::before { background: var(--teal); }
#news .news-item:nth-child(4)::before { background: var(--violet); }

#news .news-when {
  min-width: 0;
  padding-top: 1px;
}

#news .news-year {
  color: var(--text);
  font-size: 1.32rem;
  font-weight: 760;
  line-height: 1.15;
}

#news .news-date-place {
  display: grid;
  gap: 3px;
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.5;
}

#news .news-date-place time,
#news .news-place { display: block; }

#news .news-place { color: var(--teal); }

#news .news-thumb-link {
  width: 100%;
  display: block;
  overflow: hidden;
  border-radius: 11px;
}

#news .news-thumb {
  width: 100%;
  aspect-ratio: 16 / 10.5;
  display: block;
  object-fit: cover;
}

#news .news-body { min-width: 0; }
#news .news-item h3 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.35;
}
#news .news-item .muted {
  margin: 8px 0 0;
  font-size: .92rem;
  line-height: 1.58;
}
#news .news-actions { margin-top: 9px; }

/* News details */
.article {
  width: 100%;
  max-width: none;
  padding: 0;
}

.article h1 { max-width: 960px; }
.article > p, .article > header, .article > h2, .article > ul { max-width: 900px; }

.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--link);
  border-bottom: 1px solid color-mix(in srgb, var(--link) 34%, transparent);
}

.hero {
  width: 100%;
  max-height: 620px;
  margin-top: 24px;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.meta { color: var(--teal); font-family: var(--mono); font-size: .75rem; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 28px;
}

figure { margin: 0; }
figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  border-radius: 9px;
}

figcaption { margin-top: 7px; color: var(--muted); font-size: .86rem; }

time, .dates, .dates time, footer time {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

footer {
  margin-top: auto;
  padding: 18px var(--page-gutter);
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: .78rem;
}

.mobile-toggle { display: none; }
.uc-sign { width: 100%; height: auto; display: block; }

:root[data-theme="dark"] .science-visual img,
:root[data-theme="dark"] .project-figure img,
:root[data-theme="dark"] .pub-figure img,
:root[data-theme="dark"] .edu-logo {
  filter: brightness(.72) saturate(.85);
}

@media (max-width: 1050px) {
  :root {
    --sidebar-width: 275px;
    --page-gutter: 52px;
  }
  .sidebar { padding-inline: 27px; }

  #home .news-list {
    grid-auto-columns: min(44%, 320px);
    gap: 16px;
  }
  .edu-list { gap: 18px; }

  #publications .pub-item {
    grid-template-columns: 62px 190px minmax(0, 1fr);
    gap: 18px;
  }
  #publications .pub-figure { width: 190px; }

  #projects .pub-item { grid-template-columns: 1fr; }
  .project-figure { max-width: 760px; }

  #news .news-item {
    grid-template-columns: 104px 170px minmax(0, 1fr);
    gap: 16px;
    padding-left: 32px;
  }
}

@media (max-width: 800px) {
  :root { --page-gutter: 48px; }

  .container { flex-direction: column; }

  .sidebar {
    position: relative;
    width: 100%;
    min-width: 0;
    height: auto;
    padding: 22px 24px;
  }

  .brand {
    display: grid;
    grid-template-columns: 92px 1fr;
    column-gap: 20px;
    align-items: center;
  }

  .avatar {
    grid-row: 1 / span 2;
    width: 92px;
    height: 92px;
    margin: 0;
  }

  .name { font-size: 1.45rem; }
  .role { margin-top: 6px; }
  .chips {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 18px;
    padding-top: 14px;
  }
  .sidebar-section { display: none; }

  .site-title { display: none; }
  .nav { width: 100%; justify-content: space-between; gap: 15px; }
  .theme-toggle { margin-left: auto; }

  .content { padding-block: 36px 60px; }

  .about-hero { min-height: 0; padding-right: 0; }
  .science-visual {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    height: auto;
    margin-top: 24px;
  }

  #home .news-list { grid-auto-columns: min(72vw, 480px); }

  .edu-list { grid-template-columns: 1fr; }

  #publications .pub-item {
    grid-template-columns: 62px 150px minmax(0, 1fr);
    gap: 16px;
  }
  #publications .pub-figure { width: 150px; }

}

@media (max-width: 600px) {
  :root { --page-gutter: 32px; }

  .sidebar { padding: 18px 16px; }
  .chips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chip { font-size: .82rem; }

  .toolbar { min-height: 60px; overflow-x: auto; }
  .nav { min-width: max-content; gap: 17px; }
  .tab-btn { font-size: .82rem; }

  .content { padding-block: 30px 48px; }
  h1 { font-size: 2.65rem; }
  h1::before { font-size: .58rem; letter-spacing: .12em; }

  #home .news-list { grid-auto-columns: min(84vw, 340px); }
  .edu-header {
    grid-template-columns: 68px 1fr;
    gap: 14px;
  }
  .edu-logo {
    width: 60px;
    height: 60px;
  }

  #publications .pub-item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 14px;
    padding: 22px 0;
  }
  #publications .pub-year { font-size: 1rem; }
  #publications .pub-figure { display: none; }

  #news .news-list::before { left: 6px; }
  #news .news-item {
    grid-template-columns: 1fr;
    gap: 13px;
    padding: 20px 0 26px 30px;
  }
  #news .news-item::before {
    left: 0;
    top: 24px;
    width: 14px;
    height: 14px;
  }
  #news .news-date-place {
    display: flex;
    flex-wrap: wrap;
    gap: 3px 10px;
    margin-top: 5px;
  }
  #news .news-thumb-link { width: 100%; }

  #projects .title { font-size: 1.9rem; }
  .gallery { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}