:root {
  color-scheme: light;
  --ink: #202c36;
  --muted: #5c6972;
  --line: #d9dedf;
  --accent: #9b694e;
  --paper: #fff;
  --canvas: #f1f2f0;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding: 36px 20px; background: var(--canvas); color: var(--ink); font: 16px/1.65 var(--sans); }
a { color: inherit; }
.cv-sheet { width: min(1080px, 100%); margin: 0 auto; padding: 62px 72px 34px; background: var(--paper); box-shadow: 0 8px 35px #1b29300d; }
.identity { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 30px; padding-bottom: 27px; border-bottom: 2px solid var(--ink); }
.language-switch { position: absolute; top: -30px; right: 0; padding: 7px 13px; border: 1px solid var(--line); border-radius: 3px; background: var(--paper); color: var(--ink); font: 400 14px/1.2 var(--sans); cursor: pointer; }
.language-switch strong { font-weight: 700; }
.language-switch:hover, .language-switch:focus-visible { border-color: var(--accent); color: var(--accent); }
.identity-main { display: flex; align-items: center; gap: 25px; }
.portrait { display: block; width: 180px; height: 180px; flex: 0 0 180px; object-fit: cover; }
.eyebrow { margin: 0 0 10px; color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; }
h1 { margin: 0; font: 400 clamp(38px, 5vw, 54px)/1.03 var(--serif); letter-spacing: -.04em; }
html[lang="ko"] body, html[lang="ko"] h1, html[lang="ko"] .profile p, html[lang="ko"] .language-switch { font-family: "Noto Sans KR", var(--sans); }
html[lang="ko"] h1 { font-weight: 400; }
.position { margin: 12px 0 0; font-size: 19px; font-weight: 600; }
.institution { display: flex; align-items: center; gap: 7px; margin: 4px 0 0; color: var(--muted); font-size: 16px; }
.institution img { width: 20px; height: 21px; object-fit: contain; }
.lab-brand { display: flex; align-items: center; gap: 7px; margin: 4px 0 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.lab-logo { display: block; width: 20px; height: 21px; flex: 0 0 20px; object-fit: contain; }
.contact-line { margin: 4px 0 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.cv-grid { display: grid; grid-template-columns: 0.78fr 1.65fr; gap: 52px; padding: 34px 0 35px; }
.cv-block { margin: 0 0 34px; }
.cv-block h2 { margin: 0 0 15px; padding-bottom: 8px; border-bottom: 1px solid var(--line); color: var(--accent); font-size: 14px; font-weight: 700; letter-spacing: .11em; line-height: 1.45; text-transform: uppercase; }
.profile p { max-width: 580px; margin: 0; color: #3c4951; font: 18px/1.7 var(--serif); }
.education-list, .plain-list, .timeline { padding: 0; margin: 0; list-style: none; }
.education-list li { display: flex; flex-direction: column; margin: 0 0 18px; font-size: 14px; line-height: 1.55; }
.education-list time { margin-bottom: 3px; color: var(--accent); font-size: 14px; }
.education-list strong, .timeline strong { color: var(--ink); font-size: 16px; font-weight: 650; }
.education-list span, .timeline span { color: var(--muted); font-size: 15px; }
.plain-list li { position: relative; margin: 0 0 10px; padding-left: 14px; color: var(--muted); font-size: 15px; line-height: 1.55; }
.plain-list li::before { position: absolute; left: 0; color: var(--accent); content: "•"; }
.links li { margin-bottom: 8px; }
.links a { display: inline-flex; align-items: center; gap: 7px; text-decoration: none; }
.links a img { width: 19px; height: 19px; object-fit: contain; }
.links a:hover { color: var(--accent); }
.links a > span[aria-hidden="true"] { padding-left: 3px; color: var(--accent); }
.timeline li { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 15px; padding: 14px 0; border-bottom: 1px solid #eaeded; }
.timeline time { padding-top: 2px; color: var(--accent); font-size: 14px; white-space: nowrap; }
.timeline li div { display: flex; flex-direction: column; gap: 2px; }
.awards li { padding: 12px 0; }
.publication-list { padding: 0; margin: 0; list-style: none; }
.publication-list li { padding: 14px 0; border-bottom: 1px solid #eaeded; }
.publication-list a { color: var(--ink); font-size: 16px; font-weight: 650; line-height: 1.5; text-decoration-color: #bfc8ca; text-underline-offset: 3px; }
.publication-list a:hover { color: var(--accent); }
.publication-list .pub-authors, .publication-list .pub-journal { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.5; }
footer { display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--line); color: #8a9499; font-size: 12px; letter-spacing: .04em; }

@media (max-width: 720px) {
  body { padding: 0; background: var(--paper); }
  .cv-sheet { padding: 42px 28px 24px; box-shadow: none; }
  .identity { align-items: flex-start; flex-direction: column; gap: 18px; }
  .language-switch { position: static; align-self: flex-end; }
  .identity-main { gap: 18px; }
  .portrait { width: 148px; height: 148px; flex-basis: 148px; }
  .cv-grid { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 28px; }
  .sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; }
  .sidebar .cv-block:last-child { grid-column: 1 / -1; }
}

@media (max-width: 440px) {
  .cv-sheet { padding: 32px 20px 20px; }
  .identity-main { align-items: flex-start; flex-direction: column; gap: 15px; }
  .portrait { width: 130px; height: 130px; flex-basis: 130px; }
  .sidebar { column-gap: 17px; }
  .timeline li { grid-template-columns: 96px minmax(0, 1fr); gap: 10px; }
}

@media print {
  body { padding: 0; background: white; }
  .cv-sheet { width: 100%; padding: 20px 28px; box-shadow: none; }
  .cv-block, .timeline li, .education-list li { break-inside: avoid; }
}