@charset "UTF-8";
:root {
  --color-nav: #111535;
  --color-primary: #1971c2;
  --color-text: #222222;
  --color-text-secondary: #555555;
  --color-text-tertiary: #666666;
  --color-muted: #868e96;
  --color-venue: #c92a2a;
  --color-bg: #ffffff;
  --color-border: #e8e8e8;
  --color-card-bg: #ffffff;
  --color-thumb-bg: #ffffff;
  --color-video-bg: #000000;
  --color-thumb-placeholder: #dee2e6;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 17px;
  line-height: 1.6;
}

.page-content {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  background: var(--color-card-bg);
  min-height: 100vh;
  padding: 36px 48px 60px;
}

a {
  color: var(--color-nav);
  text-decoration: none;
  background-image: linear-gradient(var(--color-nav), var(--color-nav));
  background-size: 0% 1.5px;
  background-repeat: no-repeat;
  background-position: left bottom;
  transition: background-size 0.25s ease;
}
a:hover {
  text-decoration: none;
  background-size: 100% 1.5px;
}

/* 밑줄 애니메이션 제외 대상 */
.site-nav a,
.pub-links a,
.pub-filter-btn,
.profile-icon-links a,
.project-card {
  background-image: none;
  transition: none;
}

section {
  margin-bottom: 40px;
}

.page-content h1 {
  font-size: 28px;
  margin-bottom: 16px;
}

.page-content h2 {
  font-size: 18px;
  margin: 28px 0 8px;
}

.page-content p,
.page-content li {
  margin-bottom: 8px;
}

.page-content ul {
  padding-left: 1.2em;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  border-bottom: 2px solid var(--color-nav);
  padding-bottom: 6px;
  margin-bottom: 18px;
  color: var(--color-nav);
}

@media (max-width: 640px) {
  .page-content {
    padding: 24px 20px 48px;
  }
}
.site-nav {
  background: var(--color-nav);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0;
}
.site-nav .nav-inner {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 44px;
  padding: 0 48px;
}
.site-nav .site-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
}
.site-nav .site-title:hover {
  text-decoration: none;
  opacity: 0.85;
}
.site-nav .nav-links {
  display: flex;
  gap: 20px;
}
.site-nav .nav-links a {
  color: #a5d8ff;
  font-size: 13px;
  text-decoration: none;
}
.site-nav .nav-links a:hover {
  color: #ffffff;
  text-decoration: none;
}

@media (max-width: 640px) {
  .site-nav .nav-inner {
    padding: 0 20px;
  }
}
.profile-section {
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.profile-block {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  width: fit-content;
  margin: 0 auto 40px;
}
.profile-block .profile-photo-wrap {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  margin-top: 10px;
  background: var(--color-card-bg);
  box-shadow: 4px 6px 16px rgba(0, 0, 0, 0.18);
}
.profile-block .profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(0.95) translateY(2.5%);
  transform-origin: center center;
}
.profile-block .profile-info {
  text-align: left;
}
.profile-block .profile-info h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-nav);
}
.profile-block .profile-info .profile-title {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}
.profile-block .profile-info .profile-institution {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 2px;
}
.profile-block .profile-info .profile-email {
  font-size: 15px;
  margin-bottom: 0;
}
.profile-block .profile-info .profile-email a {
  color: var(--color-muted);
}
.profile-block .profile-info .profile-email a:hover {
  color: var(--color-primary);
}
.profile-block .profile-info .profile-icon-links {
  display: flex;
  flex-direction: row;
  gap: 14px;
  margin-top: 12px;
}
.profile-block .profile-info .profile-icon-links a {
  font-size: 22px;
  color: var(--color-text-secondary);
  text-decoration: none;
  display: inline-block;
  transition: color 0.15s, transform 0.15s;
}
.profile-block .profile-info .profile-icon-links a:hover {
  color: var(--color-nav);
  text-decoration: none;
  transform: translateY(-2px);
}

.profile-bio {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  text-align: left;
  margin-top: 16px;
}

@media (max-width: 640px) {
  .profile-block {
    flex-direction: column;
    align-items: center;
  }
  .profile-block .profile-info {
    text-align: center;
  }
  .profile-block .profile-info .profile-icon-links {
    justify-content: center;
  }
  .profile-block .profile-bio {
    text-align: left;
  }
}
/* ── News ── */
.news-list {
  list-style: none;
}
.news-list li {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
}
.news-list .news-date {
  color: var(--color-muted);
  white-space: nowrap;
  min-width: 72px;
  padding-top: 1px;
}

/* ── Section header with filter ── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--color-nav);
  margin-bottom: 18px;
}
.section-header .section-title {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 4px;
}

.pub-filter {
  display: flex;
  gap: 6px;
  padding-bottom: 4px;
}

.pub-filter-btn {
  font-size: 12px;
  padding: 2px 10px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: none;
  color: var(--color-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.pub-filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.pub-filter-btn.active {
  background: var(--color-nav);
  border-color: var(--color-nav);
  color: #fff;
}

/* ── Publications ── */
.pub-list {
  list-style: none;
}

.pub-item {
  display: flex;
  gap: 18px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.pub-item .pub-thumb {
  width: 160px;
  height: 96px;
  object-fit: contain;
  flex-shrink: 0;
  background: var(--color-thumb-bg);
}
.pub-item .pub-body {
  flex: 1;
}
.pub-item .pub-title {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 4px;
  color: var(--color-nav);
}
.pub-item .pub-authors {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 3px;
}
.pub-item .pub-authors strong {
  color: var(--color-text);
}
.pub-item .pub-venue {
  font-size: 14px;
  color: var(--color-venue);
  font-weight: 600;
  margin-bottom: 5px;
}
.pub-item .pub-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.pub-item .pub-links a {
  font-size: 13px;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 1px 7px;
  border-radius: 3px;
}
.pub-item .pub-links a:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

/* ── Awards & Patents ── */
.award-list {
  list-style: none;
}

.award-item {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  align-items: flex-start;
}
.award-item .award-year {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
  min-width: 40px;
  padding-top: 2px;
  flex-shrink: 0;
}
.award-item .award-body {
  flex: 1;
}
.award-item .award-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-nav);
  margin-bottom: 2px;
}
.award-item .award-meta {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

/* ── Projects ── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.project-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s;
  display: block;
  color: inherit;
}
.project-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-decoration: none;
}
.project-card .project-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--color-thumb-placeholder);
  display: block;
}
.project-card .project-body {
  padding: 14px 16px;
}
.project-card .project-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 5px;
}
.project-card .project-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-nav);
}
.project-card .project-date {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.project-card .project-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}
/* ── Project video embed ── */
.project-video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  /* 16:9 */
  margin: 20px 0;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-video-bg);
}
.project-video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ── Project detail page ── */
.project-detail .pub-links {
  margin: 14px 0;
}
.project-detail hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 20px 0;
}
.project-detail h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-nav);
  margin-bottom: 8px;
}
.project-detail .project-detail-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}
.project-detail .project-detail-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
}
.project-detail .project-detail-body h2 {
  font-size: 19px;
  margin: 24px 0 10px;
  color: var(--color-nav);
}
.project-detail .project-detail-body h3 {
  font-size: 17px;
  margin: 18px 0 8px;
}
.project-detail .project-detail-body p {
  margin-bottom: 12px;
}
.project-detail .project-detail-body ul,
.project-detail .project-detail-body ol {
  margin: 0 0 12px 20px;
}

/*# sourceMappingURL=main.css.map */