/* ================================
   CSS Custom Properties (Light/Dark)
   ================================ */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-header: #1a1a2e;
  --text-primary: #333333;
  --text-secondary: #555555;
  --text-muted: #666666;
  --accent: #1a73e8;
  --accent-light: #e6f0ff;
  --accent-border: #cfe0ff;
  --border: #e5e7eb;
  --border-dashed: #e5e7eb;
  --card-bg: #ffffff;
  --card-shadow: rgba(0, 0, 0, 0.05);
  --hero-gradient: linear-gradient(135deg, #f8f9fa 0%, #e8edf2 100%);
  --timeline-line: linear-gradient(to bottom, #1a73e8, #c8d8ea);
  --badge-bg: #f3f4f6;
  --badge-border: #e5e7eb;
  --badge-text: #6b7280;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-header: #0f172a;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #60a5fa;
  --accent-light: #1e3a5f;
  --accent-border: #2563eb;
  --border: #334155;
  --border-dashed: #475569;
  --card-bg: #1e293b;
  --card-shadow: rgba(0, 0, 0, 0.3);
  --hero-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  --timeline-line: linear-gradient(to bottom, #60a5fa, #1e3a5f);
  --badge-bg: #334155;
  --badge-border: #475569;
  --badge-text: #94a3b8;
}

/* ================================
   Reset & Base
   ================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Noto Sans KR", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  letter-spacing: .03em;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s, color 0.3s;
}

a {
  transition: opacity .3s, color .3s;
  text-decoration: none;
  color: var(--accent);
}

a:hover {
  opacity: 0.8;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

ul {
  list-style: none;
}

/* ================================
   Layout
   ================================ */
.wrapper {
  padding-top: 80px;
}

.section {
  padding: 90px 0;
}

.section:nth-of-type(odd) {
  background-color: var(--bg-secondary);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ================================
   Typography
   ================================ */
.title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 50px;
  text-align: center;
  letter-spacing: .05em;
  color: var(--text-primary);
}

.title::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  margin: 16px auto 0;
  border-radius: 2px;
}

.lead {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 30px;
  text-align: center;
  color: var(--text-secondary);
}

/* ================================
   Header
   ================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  background-color: var(--bg-header);
  box-shadow: 0 5px 10px -6px rgba(0, 0, 0, .1);
}

[data-theme="dark"] .header {
  box-shadow: 0 5px 10px -6px rgba(0, 0, 0, .4);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: none;
  padding: 0 40px;
  height: 80px;
  column-gap: 20px;
}

/* Left: Logo + Affiliation */
.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.header-logo {
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 64px;
  width: 64px;
  object-fit: contain;
}

.header-affiliation {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  min-width: 0;
}

.affiliation-line1 {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.affiliation-line2 {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Right: Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Theme toggle button */
.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 6px;
  padding: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  line-height: 1;
}

.theme-toggle:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
}

.theme-toggle .material-icons-outlined {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  display: block;
}

.theme-toggle .icon-dark { display: none; }
.theme-toggle .icon-light { display: block; }

[data-theme="dark"] .theme-toggle .icon-dark { display: block; }
[data-theme="dark"] .theme-toggle .icon-light { display: none; }

/* Hamburger menu toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
  transition: all 0.25s;
}

.menu-toggle:hover {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.08);
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  transition: all 0.3s;
}

.menu-icon { top: 50%; margin-top: -1px; }
.menu-icon::before { content: ''; top: -6px; left: 0; transform: none; }
.menu-icon::after { content: ''; top: 6px; left: 0; transform: none; }

/* Hamburger active state */
.menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }


.gnav {
  flex: 1;
  display: flex;
  justify-content: center;
  margin: 0 20px;
  padding: 0 20px;
  border-left: 1px solid rgba(255,255,255,0.18);
  border-right: 1px solid rgba(255,255,255,0.18);
}

.gnav-list {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 48px);
  list-style: none;
}

/* 드로어 내 언어 스위치 — 모바일에서만 표시 */
.gnav .gnav-lang-switch {
  display: none;
}

.gnav-item a {
  position: relative;
  font-size: 13px;
  font-weight: 600;
  display: inline-block;
  padding: 5px 0;
  transition: .3s;
  letter-spacing: .05em;
  color: #fff;
  white-space: nowrap;
}

.gnav-item a:after {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  content: "";
  transition: .3s;
  transform: translateX(-50%);
  background-color: #fff;
}

.gnav-item a:hover:after {
  width: 100%;
}

/* Keyboard focus state */
.gnav-item a:focus-visible {
  outline: none;
}

.gnav-item a:focus-visible:after {
  width: 100%;
}

/* Skip link for accessibility */
.skip-link { position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden; }
.skip-link:focus { position:fixed; left:16px; top:16px; width:auto; height:auto; padding:8px 12px; background:#111827; color:#fff; border-radius:8px; z-index:1000; }

/* Focus ring */
a:focus, button:focus { outline: 2px solid #93c5fd; outline-offset: 2px; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lang-switch button {
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1;
}

.lang-switch button:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
}

.lang-switch button.active {
  color: #fff;
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.12);
}

/* ================================
   Main Visual (Hero)
   ================================ */
.mv {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 55vh;
  text-align: center;
  background: var(--hero-gradient);
  position: relative;
}

.mv-container {
  padding: 60px 40px;
}

.mv-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 8px;
  letter-spacing: .04em;
  color: var(--text-primary);
}

.mv-subtitle {
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 36px;
  letter-spacing: .2em;
  color: var(--accent);
}

.mv-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ================================
   About / Profile
   ================================ */
.profile {
  display: flex;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
  align-items: flex-start;
}

.profile-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.profile-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e0e5ec 0%, #c8d0da 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.profile-placeholder .material-icons-outlined {
  font-size: 64px;
  color: #8a95a5;
}

.profile-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-body {
  flex: 1;
}

.profile-body p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
}

/* ================================
   About — Profile Extras
   ================================ */
.profile-affiliation {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.profile-affiliation strong {
  font-size: 18px;
  color: var(--text-primary);
  letter-spacing: .03em;
}

.profile-keywords {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

/* ================================
   Biography — Timeline
   ================================ */
.timeline {
  max-width: 750px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--timeline-line);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
  padding-left: 24px;
}

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
}

[data-theme="dark"] .timeline-item::before {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
}

.timeline-date {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .05em;
  margin-bottom: 4px;
}

.timeline-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  line-height: 1.4;
}

.timeline-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ================================
   Works
   ================================ */
.works-type {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  margin-top: 8px;
  letter-spacing: .04em;
  color: var(--text-primary);
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}

.works-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 40px;
}

.work-item {
  padding: 16px 20px;
  margin-bottom: 4px;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 8px;
  transition: background-color .2s;
  display: block;
}

.work-item:hover {
  background-color: var(--accent-light);
}

.work-title {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 6px;
  line-height: 1.5;
  color: var(--text-primary);
}

.work-number {
  font-weight: 400;
  color: var(--text-muted);
}

.work-authors {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.work-authors .highlight-name {
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}

/* ================================
   Skill
   ================================ */
/* ================================
   Bibliography
   ================================ */
.bibliography .container { max-width: 860px; }
.biblio-list {
  counter-reset: biblio;
  list-style: none;
  margin: 0 0 40px 0;
  padding: 0;
}

.biblio-item {
  counter-increment: biblio;
  padding: 12px 0 12px 40px;
  position: relative;
  border-bottom: 1px dashed var(--border-dashed);
}

.biblio-item::before {
  content: counter(biblio) ".";
  position: absolute;
  left: 0;
  top: 12px;
  width: 28px;
  text-align: right;
  color: var(--text-muted);
  font-weight: 600;
}

.biblio-link {
  text-decoration: none;
  color: inherit;
}

.biblio-title {
  display: block;
  font-weight: 700;
  color: var(--text-primary);
}

.biblio-meta {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--text-muted);
}

.biblio-meta .highlight-name {
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
}

/* ================================
   News feed (Recent Works)
   ================================ */
.news-feed {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-primary);
  transition: background-color .2s;
}

.news-item:hover {
  background-color: var(--accent-light);
}

.date-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  color: var(--badge-text);
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  padding: 2px 6px;
  border-radius: 6px;
}

.type-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
  padding: 2px 6px;
  border-radius: 6px;
  color: #0b3b7e;
  background: #e6f0ff;
  border: 1px solid #cfe0ff;
}

.type-badge.type-preprint { color: #92400e; background:#fef3c7; border-color:#fde68a; }
.type-badge.type-talk { color: #065f46; background:#d1fae5; border-color:#a7f3d0; }
.type-badge.type-award { color: #7c2d12; background:#ffedd5; border-color:#fed7aa; }

.news-title { font-weight: 600; color: var(--text-primary); }
.news-venue { color: var(--text-muted); }

@media screen and (max-width: 767px) {
  .biblio-item { padding-left: 32px; }
  .biblio-item::before { width: 24px; }
  .date-badge { display: none; }
}

.skill-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  max-width: 800px;
  margin: 0 auto;
}

.skill-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 2px 12px var(--card-shadow);
  transition: transform .2s, box-shadow .2s;
}

.skill-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--card-shadow);
}

.skill-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #1a73e8, #4a9af5);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.skill-icon .material-icons-outlined {
  font-size: 24px;
  color: #fff;
}

.skill-body {
  flex: 1;
}

.skill-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.skill-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ================================
   Contact
   ================================ */
.contact {
  text-align: center;
}

.contact-list {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: all .25s;
}

a.contact-item:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.contact-item .material-icons-outlined {
  font-size: 18px;
  color: var(--accent);
}

.contact-icon {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ================================
   Page Top Button
   ================================ */
.page-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  background-color: #1a1a2e;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  opacity: 0.9;
  transition: all .25s;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-top:hover {
  opacity: 1;
  transform: translateY(-2px);
  background-color: #1a73e8;
}

.page-top .material-icons-outlined {
  color: #fff;
  font-size: 22px;
}

/* ================================
   Footer
   ================================ */
.footer {
  padding: 30px;
  background-color: #1a1a2e;
  text-align: center;
}

.copyright {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: .05em;
}

/* ================================
   Responsive — Tablet (max-width: 1024px)
   ================================ */
@media screen and (max-width: 1024px) {
  .header .container {
    padding: 0 24px;
    column-gap: 16px;
  }

  .header-affiliation {
    display: none;
  }

  .header-brand {
    padding-right: 0;
    border-right: 0;
  }

  /* 헤더 바의 언어 스위치 숨김 — 드로어 안에서 접근 가능 */
  .header-actions .lang-switch {
    display: none;
  }

  .gnav-list {
    gap: 16px;
  }

  .gnav-item a {
    font-size: 12px;
  }
}

/* ================================
   Responsive — Mobile (max-width: 767px)
   ================================ */
@media screen and (max-width: 767px) {
  body {
    font-size: 15px;
  }

  .wrapper {
    padding-top: 60px;
  }

  .section {
    padding: 60px 0;
  }

  .container {
    padding: 0 20px;
  }

  /* Header - Mobile */
  .header .container {
    height: auto;
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-brand {
    flex: 1;
    min-width: 0;
  }

  .header-logo img {
    height: 36px;
    width: 36px;
  }

  .header-actions {
    gap: 6px;
  }

  .gnav {
    display: none;
  }

  /* Show hamburger on mobile */
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Mobile nav drawer */
  .gnav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-header);
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 99;
  }

  .gnav.is-open {
    display: block;
    transform: translateX(0);
  }

  .gnav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .gnav-item:not(:last-child) {
    margin-right: 0;
  }

  .gnav-item a {
    font-size: 16px;
    padding: 16px 0;
    display: block;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .gnav-item a:after {
    display: none;
  }

  .gnav .gnav-lang-switch {
    display: flex;
    margin-top: 24px;
    justify-content: center;
  }

  /* Hero */
  .mv {
    min-height: 50vh;
  }

  .mv-container {
    padding: 40px 20px;
  }

  .mv-title {
    font-size: 32px;
  }

  .mv-subtitle {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .mv-text {
    font-size: 14px;
  }

  /* Title */
  .title {
    font-size: 26px;
    margin-bottom: 36px;
  }

  /* Profile */
  .profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .profile-img {
    width: 130px;
    height: 130px;
  }

  .profile-body p {
    font-size: 14px;
    text-align: left;
  }

  /* Timeline */
  .timeline {
    padding-left: 32px;
  }

  .timeline-item {
    margin-bottom: 28px;
    padding-left: 16px;
  }

  .timeline-item::before {
    left: -26px;
  }

  .timeline-content h3 {
    font-size: 14px;
  }

  .timeline-content p {
    font-size: 13px;
  }

  /* Profile extras */
  .profile-affiliation,
  .profile-keywords {
    text-align: center;
  }

  /* Works */
  .works-type {
    font-size: 18px;
  }

  .work-item {
    padding: 12px 14px;
  }

  .work-title {
    font-size: 14px;
  }

  .work-authors {
    font-size: 12px;
  }

  /* Skill */
  .skill-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Contact */
  .contact-list {
    flex-direction: column;
    align-items: center;
  }

  .contact-item {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  /* Footer */
  .footer {
    padding: 20px;
  }
}

/* ================================
   Responsive — Tablet (768px–1024px)
   ================================ */
@media screen and (min-width: 768px) and (max-width: 1024px) {
  /* Header density on tablets */
  .affiliation-line2 { display: none; }
  .gnav-list { gap: 20px; }

  .mv-title {
    font-size: 44px;
  }

  .skill-list {
    gap: 24px;
  }

  .skill-item {
    padding: 20px;
  }
}

/* ================================
   Selected publications
   ================================ */
.selected-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* ================================
   Generic section lists (Awards etc.)
   ================================ */
.section-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-item { border-bottom: 1px dashed var(--border-dashed); padding: 12px 0; }
.section-link { text-decoration: none; color: inherit; display: flex; gap: 8px; align-items: baseline; }
.section-title { font-weight: 700; color: var(--text-primary); }
.section-meta { color: var(--text-muted); font-size: 13px; }

.selected-card {
  display: block;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: var(--card-bg);
  transition: box-shadow .2s, transform .05s;
}

.selected-card:hover { box-shadow: 0 4px 18px var(--card-shadow); transform: translateY(-1px); }

.selected-meta { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.selected-venue { font-size: 12px; color: var(--accent); font-weight: 700; letter-spacing: .03em; }
.selected-year { font-size: 12px; color: var(--text-muted); }
.selected-title { font-weight: 700; color: var(--text-primary); line-height: 1.4; margin-bottom: 6px; }
.selected-authors { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.selected-links .badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 6px; border-radius: 6px; margin-right: 6px; color: var(--accent); background: var(--accent-light); border: 1px solid var(--accent-border); }

.selected-actions { margin-top: 8px; }
.btn { display: inline-block; font-weight: 700; font-size: 13px; color: #0b3b7e; border: 1px solid #cfe0ff; background: #e6f0ff; padding: 8px 12px; border-radius: 8px; text-decoration: none; }
.btn:hover { background: #d9e8ff; }

@media screen and (max-width: 767px) {
  .selected-list { grid-template-columns: 1fr; }
}

/* ================================
   Badges (status/format)
   ================================ */
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 6px; border-radius: 6px; border: 1px solid transparent; }
.badge-status-accepted { color:#065f46; background:#d1fae5; border-color:#a7f3d0; }
.badge-status-submitted, .badge-status-under-review { color:#92400e; background:#fef3c7; border-color:#fde68a; }
.badge-status-in-press { color:#1f2937; background:#e5e7eb; border-color:#d1d5db; }
.badge-preprint { color:#7c2d12; background:#ffedd5; border-color:#fed7aa; }
.badge-oral { color:#0b3b7e; background:#e6f0ff; border-color:#cfe0ff; }
.badge-invited { color:#4a1d96; background:#ede9fe; border-color:#ddd6fe; }
.badge-poster { color:#7a2e0e; background:#ffe8cc; border-color:#ffd8a8; }

.mini-badge { font-size:10px; font-weight:700; padding:1px 5px; border-radius:5px; border:1px solid #e5e7eb; color:#4b5563; background:#f9fafb; }
.mini-oral { color:#0b3b7e; background:#e6f0ff; border-color:#cfe0ff; }
.mini-invited { color:#4a1d96; background:#ede9fe; border-color:#ddd6fe; }
.mini-poster { color:#7a2e0e; background:#ffe8cc; border-color:#ffd8a8; }

.biblio-thumb { width:120px; height:80px; object-fit:cover; border-radius:6px; margin-top:6px; display:block; }
@media screen and (max-width: 767px) { .biblio-thumb { width:100px; height:66px; } }

/* ================================
   Project Detail Page
   ================================ */
.back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover { text-decoration: underline; }

.project-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.project-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.project-date { color: var(--text-muted); font-size: 14px; }

.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 16px;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.project-content { font-size: 16px; line-height: 1.8; color: var(--text-secondary); }
.project-content h2 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin: 32px 0 16px; }
.project-content h3 { font-size: 20px; font-weight: 700; color: var(--text-primary); margin: 24px 0 12px; }
.project-content p { margin-bottom: 16px; }
.project-content ul, .project-content ol { margin-bottom: 16px; padding-left: 24px; list-style: disc; }
.project-content li { margin-bottom: 8px; }

.project-links { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }

/* ================================
   Talk Detail Page
   ================================ */
/* ================================
   Award Accordion
   ================================ */
.award-header { cursor: pointer; }
.award-header:hover { opacity: 0.7; }
.award-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.award-accordion.open .award-body { max-height: 600px; }
.award-photo { width: 100%; max-width: 480px; border-radius: 8px; margin-top: 12px; }
.award-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }

/* ================================
   Talk Detail Page
   ================================ */
.talk-venue { color: var(--text-muted); font-size: 15px; margin-bottom: 24px; }
.talk-hero { margin-bottom: 32px; }
.talk-hero img { width: 100%; max-width: 640px; border-radius: 8px; }

.badge-active { color:#065f46; background:#d1fae5; border-color:#a7f3d0; }
.badge-completed { color:#1f2937; background:#e5e7eb; border-color:#d1d5db; }
.badge-archived { color:#6b7280; background:#f3f4f6; border-color:#e5e7eb; }