:root {
  --bg: #ffffff;
  --surface: #f5f8fc;
  --ink: #20314a;
  --ink-2: #56677d;
  --muted: #8491a3;
  --rule: #e7edf4;
  --accent: #2864d7;
  --accent-dark: #2054b8;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #101722;
  --surface: #182231;
  --ink: #edf2f8;
  --ink-2: #c4cfdd;
  --muted: #91a0b3;
  --rule: #293649;
  --accent: #82b1f5;
  --accent-dark: #accdf7;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 20px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.58;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body::before { display: none; }
a { color: inherit; }

nav.topnav {
  position: static;
  width: 100%;
  height: 60px;
  padding: 0 max(24px, calc((100vw - 960px) / 2));
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  backdrop-filter: none;
}

.topnav-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-transform: none;
}

.topnav-links {
  gap: 22px;
  margin-left: auto;
}

.topnav-links a {
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 400;
}

.topnav-links a::after { display: none; }
.topnav-links a:hover,
.topnav-links a.active { color: var(--accent); }
.theme-toggle {
  display: flex;
  min-width: 62px;
  height: 30px;
  margin-left: 16px;
  padding: 5px 10px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  white-space: nowrap;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.nav-hamburger { color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 38px;
  max-width: 1008px;
  min-height: 0;
  margin: 0 auto;
  padding: 48px 24px 42px;
  align-items: start;
}

.hero-photo-wrap::before { display: none; }

.hero-photo {
  display: block;
  width: 140px;
  height: 175px;
  border: 0;
  border-radius: 7px;
  box-shadow: none;
  filter: none;
  object-fit: cover;
  object-position: 50% 28%;
}

.hero-text {
  max-width: none;
  padding-top: 2px;
}

.hero-text h1 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.hero-subline {
  margin-top: 8px;
  margin-bottom: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 400;
}

.hero-email {
  display: block;
  width: fit-content;
  margin-top: 15px;
  margin-bottom: 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 15px;
  text-decoration: none;
}

.hero-email:hover { color: var(--ink); }

.hero-links {
  display: flex;
  gap: 8px;
  margin-top: 19px;
  flex-wrap: wrap;
}

.hero-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: auto;
  padding: 7px 11px;
  border: 0;
  border-radius: 999px;
  background: #f1f5fb;
  color: #345779;
  font-size: 12.5px;
  font-weight: 500;
  text-decoration: none;
}

.hero-link:hover {
  background: #e5eef9;
  color: var(--accent);
}

.hero-link i {
  display: inline-block;
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent;
  color: currentColor;
  font-size: 11px;
  line-height: 1;
  transition: none;
}

.main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0 56px;
  max-width: 1008px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  min-width: 0;
  padding: 46px 0;
  border-top: 1px solid var(--rule);
  animation: none;
}

#bio,
#publications,
#teaching { grid-column: 1 / -1; }
#experience { grid-column: 1; }
#education { grid-column: 2; }
#service { grid-column: 1; }
#awards { grid-column: 2; }

.section-header {
  display: flex;
  align-items: baseline;
  margin-bottom: 19px;
}

.section-title {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.section-title::before,
.section-line { display: none; }
#bio { display: block; }

.bio-text {
  max-width: none;
  margin: 0 0 12px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.65;
}

.bio-text:last-child { margin-bottom: 0; }

.bio-text a {
  color: var(--accent-dark);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 0;
}

.bio-text a:hover {
  color: var(--accent);
}

.paper-ref {
  white-space: nowrap;
}

.timeline {
  display: block;
  border-top: 1px solid var(--rule);
}

.timeline-row {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.timeline-institution {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
}

.timeline-role {
  margin-top: 2px;
  color: var(--ink-2);
  font-size: 14px;
}

.timeline-right {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  padding: 0;
  text-align: left;
}

.timeline-date,
.timeline-loc-right {
  color: var(--muted);
  font-size: 13px;
  white-space: normal;
}

.timeline-loc-right { margin: 0; }
.timeline-loc-right::before { content: "·"; margin-right: 6px; }

.pub-year-header {
  position: static;
  margin: 28px 0 0;
  padding: 0 0 8px;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0;
}

.pub-year-header:first-of-type { margin-top: 0; }

.pub-item {
  position: static;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  background: transparent;
}

.pub-item::before { display: none; }

.pub-item:hover {
  margin: 0;
  padding: 12px 0;
  border-radius: 0;
  background: transparent;
}

.pub-item:has(+ .pub-year-header),
#publications > .pub-item:last-child {
  border-bottom: 0;
}

.pub-title {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.42;
  scroll-margin-top: 20px;
}

.pub-number {
  margin-right: 5px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
}

.pub-authors {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.45;
}

.pub-self { color: var(--ink-2); font-weight: 600; }

.pub-meta-row {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.venue-tag,
.pub-link,
.award-badge {
  display: inline;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent !important;
  box-shadow: none;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0;
  text-decoration: none;
}

.venue-tag {
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(40, 100, 215, 0.1) !important;
  color: #3466b8;
  font-weight: 600;
}

.venue-tag:hover {
  background: var(--accent) !important;
  color: #fff;
}

.venue-tag.journal {
  background: rgba(30, 119, 115, 0.1) !important;
  color: #347b77;
}

.venue-tag.journal:hover {
  background: #347b77 !important;
  color: #fff;
}

.venue-tag.arxiv {
  background: rgba(166, 64, 64, 0.09) !important;
  color: #9b5050;
}

.venue-tag.arxiv:hover {
  background: #9b5050 !important;
  color: #fff;
}

.venue-tag.tutorial {
  background: rgba(112, 78, 145, 0.09) !important;
  color: #785b92;
}

.venue-tag.tutorial:hover {
  background: #785b92 !important;
  color: #fff;
}

.pub-link { border-bottom: 1px solid var(--rule); }

.pub-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.pub-link i { display: none; }
.pub-sep { color: var(--rule); font-size: 11px; }

.award-note {
  color: #75520b;
  font-size: 12.5px;
  font-weight: 700;
}

.award-note::before {
  content: "★";
  margin-right: 5px;
  color: #c08a12;
  font-size: 10px;
  vertical-align: 1px;
}

.service-block {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.service-block:first-of-type { border-top: 1px solid var(--rule); }

.service-label,
.teaching-sublabel {
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.service-text {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.awards-list { border-top: 0; }

.award-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--rule);
}

.award-row:last-child { border-bottom: 0; }

.award-text { color: var(--ink-2); font-size: 14px; }
.award-star { display: none; }

.award-date {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  white-space: nowrap;
}

.teaching-block {
  margin: 0;
  border-top: 1px solid var(--rule);
}

.teaching-block + .teaching-block { margin-top: 28px; }

.teaching-sublabel {
  padding: 11px 0 6px;
}

.teaching-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}

.teaching-block .teaching-row:last-child { border-bottom: 0; }

.teaching-course { color: var(--ink-2); font-size: 14px; }

.teaching-term {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12.5px;
  text-align: right;
}

footer {
  display: flex;
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 0 52px;
  border-top: 1px solid var(--rule);
  background: transparent;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 12px;
}

.reveal { opacity: 1; transform: none; }

[data-theme="dark"] .hero-link {
  background: #18263a;
  color: #a7c6ed;
}

[data-theme="dark"] .hero-link:hover {
  background: #22344d;
  color: #c7ddf8;
}

[data-theme="dark"] .venue-tag {
  background: rgba(91, 143, 224, 0.18) !important;
  color: #9dc0f3;
}

[data-theme="dark"] .venue-tag.journal {
  background: rgba(76, 177, 169, 0.16) !important;
  color: #85d1ca;
}

[data-theme="dark"] .venue-tag.arxiv {
  background: rgba(215, 111, 111, 0.16) !important;
  color: #e5a0a0;
}

[data-theme="dark"] .venue-tag.tutorial {
  background: rgba(174, 125, 211, 0.17) !important;
  color: #c9a4e5;
}

[data-theme="dark"] .venue-tag:hover {
  background: #527fbe !important;
  color: #fff;
}

[data-theme="dark"] .venue-tag.journal:hover {
  background: #367f79 !important;
}

[data-theme="dark"] .venue-tag.arxiv:hover {
  background: #985858 !important;
}

[data-theme="dark"] .venue-tag.tutorial:hover {
  background: #75558d !important;
}

[data-theme="dark"] .award-note {
  color: #e1c16f;
}

[data-theme="dark"] .award-note::before {
  color: #e7b94e;
}

@media (max-width: 860px) {
  nav.topnav {
    height: auto;
    min-height: 60px;
    padding: 11px 20px;
  }

  .topnav-links {
    gap: 8px 15px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 28px;
    padding: 38px 20px 36px;
  }

  .hero-photo { width: 120px; height: 150px; }
  .main { gap: 0 36px; padding: 0 20px; }
  footer { margin: 0 20px; }
}

@media (max-width: 640px) {
  nav.topnav { height: 56px; padding: 0 18px; }
  .topnav-links { display: none; }
  .theme-toggle { margin-left: auto; }
  .nav-hamburger { display: flex; margin-left: 8px; }

  .mobile-nav-drawer {
    top: 56px;
    padding: 14px 18px 18px;
    border-bottom: 1px solid var(--rule);
    background: var(--bg);
  }

  .mobile-nav-drawer a { color: var(--ink-2); border-bottom-color: var(--rule); }

  .hero {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 22px;
    padding: 32px 18px;
  }

  .hero-photo { width: 84px; height: 105px; }
  .hero-text h1 { font-size: 31px; }
  .hero-subline { margin-top: 5px; font-size: 13px; }
  .hero-email { margin-top: 9px; font-size: 13px; }
  .hero-links {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 6px;
    margin-top: 13px;
  }

  .hero-link {
    justify-content: center;
    width: 32px;
    height: 32px;
    min-height: 32px;
    gap: 0;
    padding: 0;
    border-radius: 50%;
    font-size: 0;
  }

  .hero-link i {
    width: 1em;
    height: auto;
    font-size: 13px;
    text-align: center;
  }

  .main { display: block; padding: 0 18px; }
  .section { padding: 36px 0; }
  .section-title { font-size: 22px; }

  .teaching-row {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .teaching-term { text-align: left; }
  footer { margin: 0 18px; padding-bottom: 36px; }
}

@media (max-width: 400px) {
  .hero { grid-template-columns: 72px minmax(0, 1fr); gap: 16px; }
  .hero-photo { width: 72px; height: 90px; }
  .hero-text h1 { font-size: 27px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}