:root,
html[data-theme="dark"] {
  color-scheme: dark;
  --page-bg: #07090d;
  --page-glow: rgba(77, 115, 193, 0.14);
  --surface: #0f131a;
  --surface-soft: #151a23;
  --surface-raised: #1a202b;
  --text: #f3f6fb;
  --text-soft: #aab4c3;
  --text-faint: #7f8a9c;
  --line: #252c37;
  --line-strong: #384354;
  --accent: #82aaff;
  --accent-soft: rgba(130, 170, 255, 0.13);
  --accent-hover: #aec6ff;
  --review-bg: rgba(230, 178, 70, 0.13);
  --review-text: #f0c46a;
  --review-line: rgba(230, 178, 70, 0.38);
  --shadow: 0 22px 64px rgba(0, 0, 0, 0.34);
  --hover-shadow: 0 14px 32px rgba(0, 0, 0, 0.24);
  --toggle-bg: rgba(15, 19, 26, 0.86);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --sidebar-width: 300px;
}

html[data-theme="light"] {
  color-scheme: light;
  --page-bg: #eef2f7;
  --page-glow: rgba(50, 100, 190, 0.12);
  --surface: #ffffff;
  --surface-soft: #f5f7fa;
  --surface-raised: #ffffff;
  --text: #172033;
  --text-soft: #5d687c;
  --text-faint: #7c8799;
  --line: #dce2ea;
  --line-strong: #c4cdd9;
  --accent: #235aa6;
  --accent-soft: #e9f0fb;
  --accent-hover: #153f78;
  --review-bg: #fff5db;
  --review-text: #805b00;
  --review-line: #ead28c;
  --shadow: 0 18px 52px rgba(23, 32, 51, 0.10);
  --hover-shadow: 0 12px 28px rgba(23, 32, 51, 0.10);
  --toggle-bg: rgba(255, 255, 255, 0.88);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--page-bg);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, var(--page-glow), transparent 34rem),
    var(--page-bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Noto Sans", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  font-size: 15.5px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
} 

html.theme-ready body,
html.theme-ready .sidebar,
html.theme-ready .main-content,
html.theme-ready .publication-item,
html.theme-ready .project-item,
html.theme-ready .award-item,
html.theme-ready .contact-card,
html.theme-ready .theme-toggle {
  transition:
    background-color 0.22s ease,
    border-color 0.22s ease,
    color 0.22s ease,
    box-shadow 0.22s ease;
}

::selection {
  background: var(--accent);
  color: var(--page-bg);
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

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

img {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 9px 13px;
  border-radius: 8px;
  background: var(--text);
  color: #ffffff;
  transform: translateY(-160%);
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.theme-toggle {
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 7px 12px 7px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--toggle-bg);
  color: var(--text);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font: inherit;
  font-size: 12.5px;
  font-weight: 750;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  background: var(--surface-raised);
  transform: translateY(-1px);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 3px;
  border-color: var(--accent);
}

.theme-toggle-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface-soft);
}

.theme-icon {
  position: absolute;
  width: 16px;
  height: 16px;
}

.theme-icon-moon {
  display: none;
}

html[data-theme="light"] .theme-icon-sun {
  display: none;
}

html[data-theme="light"] .theme-icon-moon {
  display: block;
}

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 76px auto 42px;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  align-items: start;
  gap: 28px;
}

.sidebar,
.main-content {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.sidebar {
  position: sticky;
  top: 76px;
  border-radius: var(--radius-lg);
  padding: 24px;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 14px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

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

.identity {
  padding: 22px 2px 18px;
  border-bottom: 1px solid var(--line);
}

.identity h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.role {
  margin: 9px 0 0;
  color: var(--accent);
  font-weight: 700;
  line-height: 1.45;
}

.affiliation {
  margin: 7px 0 0;
  color: var(--text-soft);
  line-height: 1.55;
}

.contact-list {
  display: grid;
  gap: 8px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.contact-card {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 16px;
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--text);
}

.contact-card:hover {
  border-color: var(--line);
  background: var(--surface-soft);
  color: var(--text);
  text-decoration: none;
  transform: translateY(-1px);
}

.contact-card:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
  border-color: var(--accent);
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.contact-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.contact-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.contact-label {
  color: var(--text);
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.015em;
}

.contact-value {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text-faint);
  font-size: 11.7px;
  line-height: 1.35;
}

.contact-arrow {
  color: var(--text-faint);
  font-size: 13px;
  opacity: 0.72;
  transform: translate(-1px, 1px);
}

.contact-card:hover .contact-arrow {
  color: var(--accent);
  opacity: 1;
}

.sidebar-section {
  padding-top: 18px;
}

.sidebar-section h2 {
  margin: 0 0 10px;
  color: var(--text-faint);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.keyword-list li {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text-soft);
  font-size: 12.5px;
  line-height: 1.2;
}

.compact-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-list li {
  display: grid;
  gap: 1px;
}

.compact-list strong {
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.compact-list span {
  color: var(--text-soft);
  font-size: 13.5px;
}

.main-content {
  min-width: 0;
  border-radius: var(--radius-lg);
  padding: 48px 52px 28px;
}

.page-header {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.page-header h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(29px, 4vw, 43px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}

.page-header p:last-child {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: 16px;
}

.cv-section {
  padding: 38px 0 4px;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 21px;
}

.section-heading::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.section-heading h2 {
  margin: 0;
  font-size: 23px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.subsection-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin: 30px 0 13px;
}

.subsection-heading:first-of-type {
  margin-top: 0;
}

.subsection-heading h3 {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.subsection-heading span {
  color: var(--text-faint);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline {
  display: grid;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-item:first-child {
  padding-top: 0;
}

.timeline-item:last-child {
  border-bottom: 0;
}

.timeline-period {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.timeline-content h3 {
  margin: 0;
  font-size: 16px;
}

.timeline-content p {
  margin: 3px 0 0;
  color: var(--text-soft);
}

.publication-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.publication-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 15px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.publication-item:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: var(--hover-shadow);
}

.publication-code {
  display: grid;
  place-items: center;
  width: 42px;
  height: 30px;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.04em;
}

.publication-body p {
  margin: 0;
}

.publication-authors {
  color: var(--text-soft);
  font-size: 13.5px;
}

.me {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.publication-title {
  margin-top: 4px !important;
  color: var(--text);
  font-size: 15.5px;
  font-weight: 720;
  line-height: 1.48;
}

.publication-venue {
  margin-top: 5px !important;
  color: var(--text-soft);
  font-style: italic;
}

.publication-meta {
  margin-top: 4px !important;
  color: var(--text-faint);
  font-size: 12.5px;
}

.doi-link {
  display: inline-block;
  margin-top: 7px;
  font-size: 13px;
  font-weight: 650;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  margin-top: 9px;
  padding: 4px 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  text-transform: uppercase;
}

.status-review {
  border-color: var(--review-line);
  background: var(--review-bg);
  color: var(--review-text);
}

.publication-list-compact .publication-item {
  padding-block: 15px;
}

.award-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.award-year {
  color: var(--accent);
  font-weight: 850;
}

.award-item h3 {
  margin: 0;
  font-size: 16px;
}

.award-item p {
  margin: 6px 0 0;
  color: var(--text-soft);
}

.project-list {
  display: grid;
  gap: 10px;
}

.project-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.project-item summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
}

.project-item summary::-webkit-details-marker {
  display: none;
}

.project-item summary::before {
  content: "+";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}

.project-item[open] summary::before {
  content: "−";
}

.project-item summary > span {
  flex: 1;
}

.project-item summary strong {
  display: block;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.45;
}

.project-item summary small {
  display: block;
  margin-top: 3px;
  color: var(--text-faint);
  font-size: 12.5px;
}

.project-item summary time {
  flex: 0 0 auto;
  color: var(--text-faint);
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}

.project-item[open] summary {
  border-bottom: 1px solid var(--line);
}

.project-body {
  padding: 14px 20px 17px 62px;
  background: var(--surface-soft);
}

.project-body ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-soft);
}

.project-body li + li {
  margin-top: 5px;
}

.page-footer {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--text-faint);
  font-size: 12.5px;
  text-align: center;
}

@media (max-width: 920px) {
  .page-shell {
    width: min(760px, calc(100% - 28px));
    grid-template-columns: 1fr;
    margin: 72px auto 20px;
  }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 0 22px;
  }

  .profile-photo {
    grid-row: span 2;
  }

  .identity {
    align-self: end;
    padding-top: 4px;
  }

  .contact-list {
    align-self: start;
    border-bottom: 0;
  }

  .contact-card {
    grid-template-columns: 38px minmax(0, 1fr) 16px;
  }

  .sidebar-section {
    grid-column: 1 / -1;
  }

  .main-content {
    padding: 40px 34px 24px;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .page-shell {
    width: calc(100% - 20px);
    gap: 12px;
    margin: 66px auto 10px;
  }

  .theme-toggle {
    top: 12px;
    right: 12px;
  }

  .sidebar,
  .main-content {
    border-radius: 14px;
  }

  .sidebar {
    display: block;
    padding: 18px;
  }

  .profile-photo {
    width: min(210px, 100%);
    margin: 0 auto;
  }

  .identity {
    text-align: center;
  }

  .main-content {
    padding: 30px 20px 20px;
  }

  .page-header h2 {
    font-size: 30px;
  }

  .timeline-item,
  .award-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .publication-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 15px;
  }

  .publication-code {
    width: fit-content;
    min-width: 42px;
    padding-inline: 9px;
  }

  .subsection-heading {
    display: block;
  }

  .subsection-heading span {
    display: block;
    margin-top: 3px;
  }

  .project-item summary {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px 10px;
  }

  .project-item summary time {
    grid-column: 2;
  }

  .project-body {
    padding: 13px 17px 16px 37px;
  }
}

@media print {
  :root {
    --page-bg: #ffffff;
    --surface: #ffffff;
    --surface-soft: #ffffff;
    --text: #000000;
    --text-soft: #333333;
    --text-faint: #555555;
    --line: #cccccc;
    --accent: #000000;
    --accent-soft: #eeeeee;
    --shadow: none;
  }

  @page {
    size: A4;
    margin: 13mm;
  }

  body {
    font-size: 10.5pt;
    line-height: 1.45;
  }

  .page-shell {
    width: 100%;
    margin: 0;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 18px;
  }

  .sidebar,
  .main-content {
    border: 0;
    box-shadow: none;
  }

  .sidebar {
    position: static;
    padding: 0 16px 0 0;
    border-right: 1px solid var(--line);
    border-radius: 0;
  }

  .main-content {
    padding: 0;
  }

  .profile-photo {
    max-height: 260px;
  }

  .page-header,
  .cv-section {
    break-inside: avoid;
  }

  .publication-item,
  .project-item,
  .award-item,
  .timeline-item {
    break-inside: avoid;
  }

  .publication-item:hover {
    transform: none;
    box-shadow: none;
  }

  .project-item:not([open]) .project-body {
    display: block;
  }

  a {
    color: #000000;
    text-decoration: none;
  }

  .theme-toggle {
    display: none;
  }

  .page-footer {
    display: none;
  }
}