/* Design refresh proposal — layered on style.css; data & structure unchanged */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

:root {
  --font-sans: 'Inter', 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --radius-lg: 18px;
  --radius-md: 12px;
  --dr-brand: #0d7377;
  --dr-brand-mid: #14a085;
  --dr-cobalt: #0047ab;
  --dr-cobalt-light: #1a6fd4;
  --dr-slate: #334155;
  --hero-gradient: linear-gradient(155deg, #ffffff 0%, #f4f6f8 38%, #eef7f5 72%, #e8f4fc 100%);
  /* Site token overrides — light theme, brand green + cobalt accent */
  --primary-color: #0d7377;
  --accent-color: #14a085;
  --accent-light: #26d07c;
  --accent-lighter: #4ecca3;
  --link-color: #0047ab;
  --link-hover: #003580;
  --text-color: #1f2937;
  --text-light: #4b5563;
  --text-lighter: #6b7280;
  --bg-color: #ffffff;
  --bg-light: #f4f6f8;
  --bg-gradient: linear-gradient(160deg, #f4f6f8 0%, #eef1f5 100%);
  --border-color: rgba(148, 163, 184, 0.4);
  --glass-bg: rgba(255, 255, 255, 0.94);
  --glass-border: rgba(13, 115, 119, 0.12);
  --gradient-primary: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
  --gradient-accent: linear-gradient(135deg, #0047ab 0%, #1a6fd4 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(13, 115, 119, 0.09) 0%, rgba(0, 71, 171, 0.07) 100%);
  --gradient-bg: linear-gradient(160deg, #f4f6f8 0%, #e8eaed 50%, #f4f6f8 100%);
}

html[data-theme='dark'] {
  --text-color: #e8edf2;
  --text-light: #a8b4c0;
  --text-lighter: #7a8796;
  --bg-color: #12181f;
  --bg-light: #1a222c;
  --bg-gradient: linear-gradient(160deg, #12181f 0%, #1a222c 100%);
  --border-color: rgba(148, 163, 184, 0.18);
  --glass-bg: rgba(26, 34, 44, 0.94);
  --glass-border: rgba(78, 204, 163, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --link-color: #5ba8f0;
  --link-hover: #8ec5f7;
  --primary-color: #4ecca3;
  --accent-color: #26d07c;
  --accent-light: #14a085;
  --accent-lighter: #0d7377;
  --gradient-primary: linear-gradient(135deg, #0d7377 0%, #26d07c 100%);
  --gradient-accent: linear-gradient(135deg, #0047ab 0%, #1a6fd4 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(78, 204, 163, 0.14) 0%, rgba(0, 71, 171, 0.12) 100%);
  --hero-gradient: linear-gradient(155deg, #1a222c 0%, #152028 45%, #142432 100%);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-light);
}

.home-container.container {
  max-width: calc(1120px + 2.5rem);
}

.home-container .home-main-wrapper {
  max-width: 1120px;
  margin: 0 auto;
}

.home-container #tabs-section.content-section {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin-top: 2.5rem;
}

.home-container #tabs-section::before {
  display: none;
}

.home-container .tabs-container {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: none;
  padding: 1.25rem 1.25rem 1.5rem;
}

.navbar {
  background: var(--glass-bg);
  border-bottom-color: var(--border-color);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: transparent;
  color: var(--text-color);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  background: var(--gradient-subtle);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

.theme-toggle svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* —— Home editorial hero —— */
.home-editorial {
  padding: 2.75rem 0 0;
  background: transparent;
}

.hero-editorial {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem 2.5rem;
  align-items: start;
}

.hero-photo-wrap {
  width: 144px;
  height: 144px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.home-editorial .hero-title.main-title {
  font-size: clamp(2.35rem, 5.5vw, 3.5rem) !important;
  font-weight: 700 !important;
  letter-spacing: -0.04em;
  line-height: 1.05 !important;
  margin: 0 0 0.35rem !important;
  color: var(--dr-brand) !important;
  background: none !important;
  -webkit-text-fill-color: var(--dr-brand) !important;
  background-clip: border-box !important;
}

.hero-names {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  color: var(--text-lighter);
  font-weight: 500;
}

.hero-tagline {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 38rem;
  color: var(--text-color);
  font-weight: 400;
}

.hero-meta-line,
.hero-affiliation-line {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-lighter);
  max-width: 40rem;
}

.hero-affiliation-line {
  margin-bottom: 1.1rem;
}

.hero-affiliation-link {
  color: var(--dr-cobalt);
  text-decoration: none;
  margin-left: 0.2rem;
  font-weight: 500;
}

.hero-affiliation-link:hover {
  text-decoration: underline;
}

.meta-sep {
  margin: 0 0.35rem;
  opacity: 0.55;
}

.hero-social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.15rem;
}

.hero-social .social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  background: transparent;
  border: 1px solid rgba(15, 23, 42, 0.12);
  color: var(--text-color);
  box-shadow: none;
}

html[data-theme='dark'] .hero-social .social-link {
  border-color: var(--border-color);
  color: var(--text-color);
}

.hero-social .social-link:hover {
  border-color: var(--dr-cobalt);
  color: var(--dr-cobalt);
  background: rgba(0, 71, 171, 0.04);
  transform: none;
}

.home-section-divider {
  height: 1px;
  background: var(--border-color);
  margin: 2.75rem 0 2rem;
}

.home-section-title {
  margin: 0 0 1.5rem;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary-color);
}



@media (min-width: 768px) {


}










.navbar::after {
  background: var(--gradient-primary) !important;
}

.lang-btn.active {
  color: var(--primary-color) !important;
}

.tab-button.active {
  color: var(--primary-color) !important;
}

.conference-type-badge {
  background: var(--gradient-subtle) !important;
  color: var(--dr-slate) !important;
  border-color: var(--border-color) !important;
}

.tabs-main #news-tab .news-item--home .news-date {
  color: var(--text-lighter) !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  font-size: 0.72rem !important;
  font-weight: 500;
  letter-spacing: 0.02em;
}

#news-section .news-date {
  color: var(--text-lighter) !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  font-size: 0.78rem !important;
}

/* Home tabs: desktop — grow beside External News without shrinking to zero on mobile */
@media (min-width: 1101px) {
  .tabs-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
    gap: 1rem;
  }

  .tabs-main .tabs-content {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .tabs-main .external-news-sidebar {
    width: 280px;
    max-width: 280px;
    min-width: 280px;
  }
}

@media (max-width: 1100px) {
  .tabs-main .tabs-content {
    flex: none;
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
}

.tabs-main #news-tab.tab-panel.active {
  opacity: 1;
  animation: none;
}

/* Photo-forward news cards */
.tabs-main #news-tab .news-timeline,
#news-section .news-timeline {
  display: grid !important;
  width: 100%;
  min-width: 0;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1rem;
}

.tabs-main #news-tab .news-item,
#news-section .news-item {
  display: flex;
  flex-direction: column;
  grid-template-columns: unset !important;
  padding: 0 !important;
  margin-bottom: 0 !important;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.tabs-main #news-tab .news-item:hover,
#news-section .news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tabs-main #news-tab .news-image-container,
#news-section .news-image-container {
  order: 1;
  width: 100%;
  aspect-ratio: 16 / 10;
  height: auto;
  min-height: 0;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 0;
  grid-column: unset !important;
  grid-row: unset !important;
}

.tabs-main #news-tab .news-item--home .news-image-container {
  aspect-ratio: unset;
  height: 168px;
}

.tabs-main #news-tab .news-image,
#news-section .news-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tabs-main #news-tab .news-card-body,
#news-section .news-card-body {
  order: 2;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.85rem 1rem 1rem;
  min-width: 0;
}

.tabs-main #news-tab .news-item--home .news-card-body {
  gap: 0.35rem;
  padding: 0.65rem 0.85rem 0.85rem;
  flex: 1;
}

.tabs-main #news-tab .news-item--home {
  border-radius: 12px;
  box-shadow: none;
  border-color: rgba(15, 23, 42, 0.08);
}

.tabs-main #news-tab .news-item--home .news-text p {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.tabs-main #news-tab .news-item--home.news-item--expanded .news-text p {
  -webkit-line-clamp: unset;
  display: block;
}

.tabs-main #news-tab .news-more-btn {
  margin-top: 0.35rem;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dr-cobalt);
  cursor: pointer;
  align-self: flex-start;
}

.tabs-main #news-tab .news-more-btn:hover {
  text-decoration: underline;
}

.tabs-main #news-tab .news-date,
#news-section .news-date {
  position: static !important;
  display: inline-flex;
  align-self: flex-start;
  width: auto;
  min-width: 0;
  margin: 0;
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  box-shadow: none;
}

.tabs-main #news-tab .news-item--home .news-date {
  padding: 0 !important;
}

.tabs-main #news-tab .news-text,
#news-section .news-text {
  padding: 0;
  min-width: 0;
  overflow: visible;
}

.tabs-main #news-tab .news-text p,
#news-section .news-text p {
  overflow: visible;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}


/* Home tabs: single row on mobile */
.tabs-nav {
  flex-wrap: nowrap !important;
  gap: 0.35rem !important;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tab-button {
  flex: 1 1 0;
  min-width: 0;
  padding: 0.7rem 0.45rem !important;
  font-size: clamp(0.72rem, 2.8vw, 1rem) !important;
  white-space: nowrap;
}

/* Subpages polish */
.content-section .section-title {
  letter-spacing: -0.02em;
}

.cv-document,
.tabs-container,
.conference-content {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.publication-item li,
.conference-list li {
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.publication-item li:hover,
.conference-list li:hover {
  box-shadow: var(--shadow-sm);
}

@media (max-width: 960px) {
  .hero-editorial {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.25rem;
  }

  .hero-photo-wrap {
    margin: 0 auto;
  }

  .hero-tagline,
  .hero-meta-line,
  .hero-affiliation-line {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-social {
    justify-content: center;
  }
}

@media (max-width: 390px) {
  .home-editorial {
    padding-top: 2rem;
  }

  .hero-photo-wrap {
    width: 120px;
    height: 120px;
  }

  .tabs-main #news-tab .news-timeline {
    grid-template-columns: 1fr;
  }

  .tabs-main #news-tab .news-item--home .news-image-container {
    height: 152px;
  }
}

/* ===== v3 site-wide polish (matches home 3b6) ===== */
:root{--font-sans:Pretendard,'Pretendard Variable',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;--primary-color:#0d7377;--link-color:#2457c5;--link-hover:#1a3f94;--bg-light:#f5f6f7;--bg-gradient:#f5f6f7;--gradient-bg:#f5f6f7}
body{background:#f5f6f7 !important;font-family:var(--font-sans);letter-spacing:-.005em;-webkit-font-smoothing:antialiased}
.navbar{background:rgba(255,255,255,.86) !important;backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid #e6e8eb !important;box-shadow:none !important}
.navbar::after{display:none !important}
.nav-brand{color:#0d7377 !important;letter-spacing:.14em;font-weight:700;font-size:15px}
.nav-link{color:#4b5563 !important;font-size:14px;font-weight:500}.nav-link.active{color:#111827 !important;font-weight:600}
.nav-link.active::after,.nav-link::after{display:none !important}
.footer{background:transparent !important;border-top:1px solid #e6e8eb;color:#8a929e;font-size:13px}