:root {
  --global-bg-color: #ffffff;
  --global-text-color: #2f313a;
  --global-text-color-light: #6f777d;
  --global-theme-color: #4a6fa5;
  --global-hover-color: #2f557f;
  --global-divider-color: #e8e8e8;
  --global-card-bg-color: #ffffff;
  --global-footer-bg-color: #f7f7f7;
  --global-footer-text-color: #6f777d;
  --global-code-bg-color: #f6f8fa;
  --global-border-color: #d6d6d6;
  --global-soft-bg-color: #f8fafc;
  --global-soft-accent-color: #edf3fa;
  --global-shadow-color: rgba(34, 52, 84, 0.08);
  --max-content-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--global-bg-color);
  color: var(--global-text-color);
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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

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

img {
  display: block;
  max-width: 100%;
}

code,
pre {
  font-family: "Source Code Pro", Menlo, Consolas, monospace;
}

.container {
  width: min(var(--max-content-width), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--global-divider-color);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}

.site-brand {
  color: var(--global-text-color);
  font-family: "Merriweather", serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1.25rem;
  font-size: 0.97rem;
}

.site-nav a {
  position: relative;
  color: var(--global-text-color-light);
  padding-bottom: 0.15rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.28rem;
  width: 100%;
  height: 2px;
  background: var(--global-theme-color);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.academic-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 3rem;
  padding-top: 2.5rem;
}

.site-main {
  padding: 0 0 5rem;
}

.academic-layout__sidebar {
  position: relative;
}

.author-sidebar {
  position: sticky;
  top: 2rem;
  padding: 1.25rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 1.1rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--global-soft-bg-color) 100%);
  box-shadow: 0 20px 40px -30px var(--global-shadow-color);
}

.author-sidebar__figure {
  margin: 0 0 1rem;
}

.author-sidebar__figure img {
  width: 100%;
  border-radius: 0.9rem;
  box-shadow: 0 20px 30px -24px var(--global-shadow-color);
}

.author-sidebar__name {
  margin: 0;
  font-family: "Merriweather", serif;
  font-size: 1.38rem;
}

.author-sidebar__eyebrow,
.author-sidebar__contact-kicker,
.author-sidebar__link-label {
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.author-sidebar__eyebrow {
  margin: 0 0 0.5rem;
  color: var(--global-theme-color);
  font-size: 0.76rem;
  font-weight: 700;
}

.author-sidebar__identity {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(74, 111, 165, 0.12);
}

.author-sidebar__summary {
  margin-top: 1rem;
}

.author-sidebar__subtitle,
.author-sidebar__bio,
.author-sidebar__about,
.author-sidebar__contact-text,
.author-sidebar__qr figcaption,
.author-sidebar__links {
  color: var(--global-text-color-light);
}

.author-sidebar__subtitle {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
}

.author-sidebar__bio {
  margin: 1rem 0;
  font-size: 0.95rem;
}

.author-sidebar__about {
  margin: 0 0 1rem;
  font-size: 0.92rem;
}

.author-sidebar__meta-card {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(74, 111, 165, 0.12);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.84);
}

.author-sidebar__section-title {
  margin: 0 0 0.8rem;
  font-family: "Merriweather", serif;
  font-size: 0.98rem;
}

.author-sidebar__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.author-sidebar__links li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.author-sidebar__links li + li {
  margin-top: 0.65rem;
}

.author-sidebar__link-label {
  color: var(--global-text-color-light);
  font-size: 0.72rem;
  font-weight: 700;
}

.author-sidebar__link-value {
  color: var(--global-text-color);
  font-size: 0.92rem;
  line-height: 1.5;
  word-break: break-word;
}

.author-sidebar__links a.author-sidebar__link-value {
  font-weight: 600;
}

.author-sidebar__contact-card {
  margin-top: 1.1rem;
  padding: 1rem;
  border: 1px solid rgba(74, 111, 165, 0.14);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(237, 243, 250, 0.9) 100%);
}

.author-sidebar__contact-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.author-sidebar__contact-kicker {
  margin: 0;
  color: var(--global-theme-color);
  font-size: 0.74rem;
  font-weight: 700;
}

.author-sidebar__contact-title {
  margin: 0;
  font-family: "Merriweather", serif;
  font-size: 1.02rem;
}

.author-sidebar__contact-text {
  margin: 0.55rem 0 0;
  font-size: 0.9rem;
}

.author-sidebar__qr {
  margin: 0.95rem 0 0;
}

.author-sidebar__qr img {
  width: min(100%, 228px);
  border-radius: 0.85rem;
  border: 1px solid var(--global-divider-color);
  box-shadow: 0 18px 28px -26px var(--global-shadow-color);
}

.author-sidebar__qr figcaption {
  margin-top: 0.55rem;
  font-size: 0.84rem;
  line-height: 1.6;
}

.page-heading h1,
.page-header h1,
.note-hero h1,
.publication-panel__header h3,
.section-heading h2,
.note-card h3,
.paper-card h3,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  font-family: "Merriweather", serif;
}

.page-heading h1,
.page-header h1,
.note-hero h1 {
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 3.05rem);
  line-height: 1.18;
}

.page-heading__subtitle,
.page-header p,
.note-hero__subtitle,
.note-hero__summary,
.section-heading p,
.note-card p,
.paper-card p,
.site-footer,
.profile-card__meta,
.empty-state,
.note-card__meta,
.note-card__directory,
.note-hero__meta,
.paper-card__eyebrow,
.paper-card__authors,
.paper-card__venue,
.paper-card__citation,
.publication-panel__header p {
  color: var(--global-text-color-light);
}

.academic-hero {
  margin-bottom: 3rem;
  padding: 1.6rem 1.75rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 1.2rem;
  background: linear-gradient(135deg, #ffffff 0%, var(--global-soft-bg-color) 100%);
  box-shadow: 0 22px 40px -34px var(--global-shadow-color);
}

.page-heading {
  margin-bottom: 1.5rem;
}

.page-heading__subtitle {
  margin: 0.55rem 0 0;
  font-size: 1.05rem;
}

.markdown-body--home {
  margin-top: 0;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.about-highlights li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 24px -28px var(--global-shadow-color);
}

.about-highlights strong,
.about-highlights span {
  display: block;
}

.about-highlights strong {
  color: var(--global-theme-color);
  font-family: "Merriweather", serif;
  font-size: 1.1rem;
  font-weight: 500;
}

.about-highlights span {
  margin-top: 0.2rem;
  color: var(--global-text-color-light);
  font-size: 0.88rem;
}

.list-section,
.info-section,
.page-header,
.note-article {
  margin-top: 2.5rem;
}

.info-section {
  padding: 1.35rem 1.45rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 1rem;
  background: var(--global-soft-bg-color);
}

.page-header,
.note-hero,
.section-heading {
  border-bottom: 1px solid var(--global-divider-color);
}

.page-header {
  padding-bottom: 1rem;
}

.page-header h1 {
  color: var(--global-theme-color);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.section-heading p {
  margin: 0.3rem 0 0;
}

.section-link,
.section-count {
  font-size: 0.94rem;
}

.section-link {
  font-weight: 600;
}

.archive-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.9rem;
}

.archive-links-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.archive-links-bar a {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: var(--global-soft-bg-color);
  border: 1px solid var(--global-divider-color);
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.archive-links-bar a:hover {
  text-decoration: none;
  background: var(--global-soft-accent-color);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -24px var(--global-shadow-color);
}

.archive-action-link,
.archive-action-hint {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.3rem 0.72rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 999px;
  font-size: 0.82rem;
  line-height: 1.2;
}

.archive-action-link {
  color: var(--global-theme-color);
  background: #ffffff;
  font-weight: 600;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.archive-action-link:hover {
  text-decoration: none;
  background: var(--global-soft-accent-color);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -24px var(--global-shadow-color);
}

.archive-action-hint {
  color: var(--global-text-color-light);
  background: #fafafa;
}

.archive-list {
  display: grid;
  gap: 0.8rem;
}

.archive-list--compact {
  gap: 0.7rem;
}

.note-list {
  display: grid;
  gap: 0;
}

.archive-item,
.note-card {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 1.15rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 1rem;
  background: #ffffff;
  box-shadow: 0 18px 30px -32px var(--global-shadow-color);
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.archive-item:hover,
.note-card:hover {
  transform: translateY(-2px);
  border-color: rgba(74, 111, 165, 0.22);
  box-shadow: 0 24px 42px -30px var(--global-shadow-color);
}

.note-card:first-child {
  padding-top: 1rem;
}

.archive-item__meta,
.note-card__meta {
  font-size: 0.88rem;
  padding-top: 0.15rem;
  font-variant-numeric: tabular-nums;
}

.archive-item__content h3,
.note-card h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 700;
}

.note-card__directory {
  margin: 0.25rem 0 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.note-card p {
  margin: 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 0.18rem 0.52rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 999px;
  color: var(--global-text-color-light);
  font-size: 0.77rem;
  background: var(--global-soft-bg-color);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
}

.category-grid,
.publication-category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.5rem;
}

.category-card {
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 1rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--global-soft-bg-color) 100%);
  box-shadow: 0 18px 36px -34px var(--global-shadow-color);
}

.paper-card {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(74, 111, 165, 0.12);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.94);
}

.paper-card--compact {
  background: rgba(255, 255, 255, 0.96);
}

.paper-card__eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  font-size: 0.83rem;
  text-transform: lowercase;
  letter-spacing: 0.01em;
}

.paper-card__authors,
.paper-card__venue,
.paper-card__summary,
.paper-card__citation {
  margin: 0.45rem 0 0;
}

.publication-panel {
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--global-divider-color);
  border-radius: 1rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--global-soft-bg-color) 100%);
  box-shadow: 0 20px 40px -34px var(--global-shadow-color);
}

.publication-panel__header {
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--global-divider-color);
}

.publication-panel__header h3 {
  margin: 0;
  font-size: 1.05rem;
}

.publication-panel__header p {
  margin: 0.35rem 0 0;
}

.year-archive-section + .year-archive-section {
  margin-top: 2rem;
}

.year-archive-section__title {
  margin: 0 0 0.9rem;
  font-family: "Merriweather", serif;
  font-size: 1.22rem;
  color: var(--global-theme-color);
}

.category-card h3 {
  margin: 0 0 0.5rem;
  font-family: "Merriweather", serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.category-card p {
  margin: 0;
  color: var(--global-text-color-light);
}

.category-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.9rem;
  font-size: 0.88rem;
  color: var(--global-text-color-light);
}

.info-grid h3 {
  margin-bottom: 0.45rem;
  font-size: 1rem;
  font-family: "Merriweather", serif;
  font-weight: 700;
}

.info-grid p {
  margin: 0;
  color: var(--global-text-color-light);
}

.note-hero {
  padding-bottom: 1.2rem;
}

.note-hero h1 {
  color: var(--global-theme-color);
}

.note-hero__subtitle {
  margin: 0.45rem 0 0;
  font-size: 0.95rem;
}

.note-hero__summary {
  margin: 1rem 0 0;
  font-size: 1.02rem;
}

.note-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.note-hero__actions {
  margin-top: 1rem;
}

.note-hero__image {
  margin-top: 1.5rem;
}

.note-hero__image img {
  border-radius: 1rem;
  box-shadow: 0 22px 38px -30px var(--global-shadow-color);
}

.markdown-body {
  margin-top: 2rem;
  color: var(--global-text-color);
  font-size: 1.02rem;
}

.markdown-body--compact {
  margin-top: 1.25rem;
}

.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-weight: 400;
  scroll-margin-top: 66px;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body pre,
.markdown-body blockquote,
.markdown-body table {
  margin: 0 0 1.05rem;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.35rem;
}

.markdown-body li + li {
  margin-top: 0.25rem;
}

.markdown-body blockquote {
  margin-left: 0;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--global-theme-color);
  background: var(--global-soft-bg-color);
  color: var(--global-text-color-light);
  border-radius: 0.4rem;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.markdown-body th,
.markdown-body td {
  padding: 0.75rem 0.8rem;
  border-bottom: 1px solid var(--global-divider-color);
  text-align: left;
}

.markdown-body th {
  font-weight: 700;
  background: var(--global-soft-bg-color);
}

.markdown-body code {
  padding: 0.1rem 0.35rem;
  background: var(--global-code-bg-color);
  border-radius: 0.25rem;
  font-size: 0.92em;
}

.markdown-body pre {
  overflow: auto;
  padding: 1rem;
  background: var(--global-code-bg-color);
  border-radius: 0.8rem;
  border: 1px solid var(--global-divider-color);
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
}

.markdown-body img {
  margin: 1.4rem auto;
  border-radius: 1rem;
  box-shadow: 0 22px 38px -30px var(--global-shadow-color);
}

.site-footer {
  padding: 2rem 0 3rem;
  background: var(--global-footer-bg-color);
  color: var(--global-footer-text-color);
  font-size: 0.9rem;
  border-top: 1px solid var(--global-divider-color);
}

.site-footer a {
  color: var(--global-theme-color);
}

.site-footer__inner p {
  margin: 0.25rem 0;
}

@media (max-width: 900px) {
  .academic-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .author-sidebar {
    position: static;
    max-width: 360px;
  }
}

@media (max-width: 720px) {
  .site-header__inner,
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .note-card {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .archive-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .category-grid,
  .publication-category-grid {
    grid-template-columns: 1fr;
  }

  .about-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .about-highlights {
    grid-template-columns: 1fr;
  }
}