/* Academic minimal layout – black on white */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #000;
  background: #fff;
}

a {
  color: #000;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Header */
.site-header {
  text-align: center;
  margin-bottom: 4.5rem;
}

.site-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 1.25rem;
  line-height: 1.2;
}

.site-title a:hover {
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #666;
  transition: color 0.2s ease, font-weight 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  text-decoration: none;
  color: #000;
  font-weight: 700;
}

.nav-link.active {
  font-weight: 700;
}

/* Tab panels */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Home tab */
.home-content {
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 2.5rem;
}

@media (max-width: 640px) {
  .home-content {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
}

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

.home-text-col {
  min-width: 0;
}

#home-bio p {
  margin: 0 0 1em;
}

#home-bio p:last-child {
  margin-bottom: 0;
}

/* Home tab: underline text links (bio), keep button and social icons as-is */
#panel-home a {
  text-decoration: underline;
}

#panel-home .btn-cv,
#panel-home .social-icon {
  text-decoration: none;
}

.home-actions {
  text-align: center;
  margin-bottom: 2.5rem;
}

.btn-cv {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 2px solid #000;
  background: #fff;
  color: #000;
}

.btn-cv:hover {
  text-decoration: none;
  background: #000;
  color: #fff;
}

.home-social {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: #000;
  font-size: 1.25rem;
}

.social-icon:hover {
  text-decoration: none;
  opacity: 0.7;
}

.social-icon svg {
  width: 24px;
  height: 24px;
}

.social-icon--email {
  width: 40px;
  height: 40px;
  font-size: 1.75rem;
}

/* Tab content */
.tab-content-inner {
  padding: 1rem 0;
}

.placeholder-text {
  color: #666;
  font-style: italic;
}

/* Same separation (2rem) between categories/sections across all tabs */
.research-section-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #333;
  margin: 0 0 1rem;
  padding-top: 0.5rem;
}

.research-section-title:not(:first-child) {
  padding-top: 2rem;
  margin-top: 0;
}

#research-thesis-section {
  margin-top: 2rem;
}

/* News / Events list */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.news-entry {
  max-width: 100%;
}

.news-entry__date {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #333;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.news-entry__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #333;
  margin: 0 0 0.4rem;
  line-height: 1.4;
}

.news-entry__title a {
  color: #333;
  text-decoration: none;
}

.news-entry__title a:hover {
  opacity: 0.8;
}

/* Events tab: show hyperlinks as underlined */
#panel-events a {
  text-decoration: underline;
}

#panel-events .news-entry__title a:hover {
  opacity: 0.8;
}

.news-entry__details {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: #333;
  margin: 0;
  line-height: 1.5;
}

/* Teaching tab */
.teaching-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.teaching-entry {
  max-width: 100%;
}

.teaching-entry__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #333;
  margin: 0 0 0.4rem;
  line-height: 1.4;
}

.teaching-entry__date {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #333;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.teaching-entry__text {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: #333;
  margin: 0;
  line-height: 1.5;
}

/* Publications */
.publications-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.pub-entry {
  max-width: 100%;
}

.pub-entry__authors {
  font-size: 1.1rem;
  font-weight: 400;
  color: #333;
  margin: 0 0 0.35rem;
  line-height: 1.4;
}

.pub-entry__authors strong {
  font-weight: 700;
}

.pub-entry__title-wrap {
  margin: 0;
  line-height: 1.4;
}

.pub-entry__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #333;
  text-decoration: none;
}

.pub-entry__status {
  font-size: 1rem;
  font-weight: 400;
  color: #333;
}

.pub-entry__links {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pub-entry__links li {
  padding: 0;
}

/* Shared pill style for research and software tab links/buttons */
.pub-entry__links a,
.pub-entry__citation-btn,
.software-entry__links a,
.software-entry__citation-btn {
  display: inline-block;
  padding: 0.2rem 0.9rem;
  background-color: #000;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.35;
  border-radius: 9999px;
  box-sizing: border-box;
  vertical-align: middle;
}

.pub-entry__links a,
.software-entry__links a {
  text-decoration: none;
  border: none;
}

.pub-entry__citation-btn,
.software-entry__citation-btn {
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.pub-entry__links a:hover,
.pub-entry__citation-btn:hover,
.software-entry__links a:hover,
.software-entry__citation-btn:hover {
  opacity: 0.85;
  color: #fff;
}

.pub-entry__tags {
  font-size: 0.9rem;
  font-weight: 400;
  color: #333;
  margin: 0.4rem 0 0;
  line-height: 1.4;
}

/* Software tab: title, pill buttons (repo, DOI), description */
.software-list {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.software-entry {
  max-width: 100%;
}

.software-entry__title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #333;
  margin: 0 0 0.4rem;
  line-height: 1.4;
}

.software-entry__subtitle {
  font-size: 0.95rem;
  font-weight: 400;
  color: #333;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.software-entry__links {
  list-style: none;
  margin: 0 0 0.5rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.software-entry__links li {
  padding: 0;
}


.software-entry__description {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: #333;
  margin: 0;
  line-height: 1.5;
}

/* Citation modal */
.citation-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.citation-modal--open {
  opacity: 1;
  visibility: visible;
}

.citation-modal__box {
  position: relative;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 4px;
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow: auto;
  padding: 1.5rem 2rem 1.5rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.citation-modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  background: none;
  font-size: 1.5rem;
  line-height: 1;
  color: #333;
  cursor: pointer;
}

.citation-modal__close:hover {
  opacity: 0.7;
}

.citation-modal__content {
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  color: #000;
}

.citation-modal__heading {
  margin: 0 0 1rem;
  font-weight: 600;
  font-family: inherit;
}

.citation-modal__list {
  margin: 0;
  padding-left: 1.5rem;
}

.citation-modal__ref {
  margin-bottom: 0.75rem;
}

.citation-modal__ref:last-child {
  margin-bottom: 0;
}

.citation-modal__ref a {
  color: #000;
  text-decoration: underline;
}

.citation-modal__bibtex-wrap {
  margin-top: 1.25rem;
}

.citation-modal__bibtex-btn {
  display: inline-block;
  padding: 0.2rem 0.9rem;
  background-color: #000;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.35;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  font-family: inherit;
}

.citation-modal__bibtex-btn:hover {
  opacity: 0.85;
}

/* Copy notification toast */
.copy-notification {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  padding: 0.6rem 1.25rem;
  background: #333;
  color: #fff;
  font-size: 0.9rem;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.copy-notification--visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}