/* Researcher page – centered, minimal, Helvetica + Apple SD Gothic Neo */

:root {
  --text: #1a1a1a;
  --text-muted: #555;
  --border: #e0e0e0;
  --bg: #fff;
  --link: #2563eb;
  --link-hover: #1d4ed8;
  --font-main: Arial, Helvetica, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px; /* 1rem = 16px */
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 2rem 1rem 4rem;
  font-family: var(--font-main);
  color: var(--text);
  background: var(--bg);
  line-height: 1.32;
}

.page-wrap {
  max-width: 816px; /* 680 × 1.2 */
  margin: 0 auto;
  border: 2px solid #000;
  padding: 1.5rem 1.5rem 2rem;
}

.main {
  margin: 0;
}

.top-nav {
  margin: 0 0 1.5rem;
  padding: 0;
  font-family: var(--font-main);
  font-size: 0.75rem; /* 12px */
}

.top-nav a {
  margin-right: 1.25rem;
  color: var(--text-muted);
}

.top-nav a:hover {
  color: var(--link);
}

h1, h2, h3 {
  font-family: var(--font-main);
  font-weight: 600;
  line-height: 1.1;
}

h1 {
  font-size: 1.5rem; /* 24px */
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 0.9375rem; /* 15px, 기존 11pt */
  margin: 2.5rem 0 0.75rem;
  color: var(--text);
  font-weight: 600;
}

h2:first-of-type {
  margin-top: 1.5rem;
}

h3 {
  font-size: 0.8125rem; /* 13px, 기존 10pt */
  margin: 1rem 0 0.35rem;
  font-weight: 600;
}

p {
  margin: 0 0 0.75rem;
}

a {
  color: var(--link);
  text-decoration: none;
}

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

ul, ol {
  margin: 0 0 0.75rem;
  padding-left: 1.4rem;
}

/* 첫 번째 리스트와 한 탭 들어간 sublisting 사이 간격 */
ul ul, ul ol, ol ul, ol ol {
  margin-top: 0.3rem;
}

li {
  margin-bottom: 0.25rem;
}

.content li p,
.intro li p {
  margin-bottom: 0.4rem;
}
.content li p:last-child,
.intro li p:last-child {
  margin-bottom: 0;
}

.profile {
  text-align: center;
  margin-bottom: 1.5rem;
}

.profile-img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  margin-bottom: 0.75rem;
}

.profile-name {
  margin-bottom: 0.25rem;
}

.contacts {
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

.contacts a {
  margin: 0 0.5rem;
}

.contacts a:first-child {
  margin-left: 0;
}

.intro {
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
}

.section {
  margin-top: 0.5rem;
}

.section .content {
  font-size: 0.75rem;
}

.publications ul {
  list-style: disc;
  padding-left: 1.4rem;
}

.publications li {
  margin-bottom: 0.85rem;
}

.footer {
  max-width: 816px; /* 680 × 1.2 */
  margin: 0.5rem auto 0;
  padding-top: 0;
  font-size: 0.625rem; /* 10px, 기존 8pt */
  color: var(--text-muted);
  text-align: center;
}

.page-title {
  margin-bottom: 1rem;
}

.post-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.post-item {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.post-item:last-child {
  border-bottom: none;
}

.post-item a {
  flex: 1;
  font-size: 0.75rem; /* 홈 본문과 동일한 크기 */
}

.post-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.post-single .post-header {
  margin-bottom: 1.5rem;
}

.post-single .post-title {
  margin-bottom: 0.35rem;
}

.post-single .post-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.post-content {
  font-family: var(--font-main);
  font-size: 0.75rem; /* 본문과 동일한 크기 */
}

/* 활동기한·연도만 박스 오른쪽 끝에 붙이기 ({{< date "Jan. 25 – Sep. 25" >}}) */
.content > ul > li,
.content > ol > li {
  position: relative;
  padding-right: 14em;
}
.date-right {
  position: absolute;
  right: 0;
  top: 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-style: italic;
  white-space: nowrap;
}

/* 모바일: 날짜 때문에 왼쪽 텍스트 영역이 좁아지지 않도록, 날짜만 다음 줄 오른쪽으로 */
@media (max-width: 600px) {
  .content > ul > li,
  .content > ol > li {
    padding-right: 0;
  }
  .date-right {
    position: static;
    display: block;
    text-align: right;
    margin-top: 0.15rem;
  }
}

.katex-display {
  margin: 0.75rem 0;
  overflow-x: auto;
  overflow-y: hidden;
}