:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #111111;
  --muted: #606060;
  --line: #d8d8d8;
  --soft: #f6f6f6;
  --max: 920px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  letter-spacing: 0;
}

body {
  margin: 0;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

.skip-link {
  left: 1rem;
  position: absolute;
  top: -4rem;
}

.skip-link:focus {
  background: var(--text);
  color: var(--bg);
  padding: 0.5rem 0.75rem;
  top: 1rem;
  z-index: 10;
}

.site-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(11rem, 1fr) auto auto;
  margin: 0 auto;
  max-width: calc(var(--max) + 4rem);
  padding: 1rem 2rem;
}

.brand {
  align-items: baseline;
  display: flex;
  gap: 0.75rem;
  min-width: 0;
}

.brand a {
  border: 1px solid var(--text);
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 700;
  height: 2.1rem;
  justify-content: center;
  line-height: 2rem;
  text-decoration: none;
  width: 2.1rem;
}

.brand span {
  color: var(--muted);
  font-size: 0.84rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.8rem;
  justify-content: flex-end;
}

.site-nav a,
.language-link {
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

.site-nav a.active,
.site-nav a:hover,
.language-link:hover {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.language-link {
  border-left: 1px solid var(--line);
  padding-left: 1rem;
}

.content {
  margin: 0 auto;
  max-width: var(--max);
  padding: 4.5rem 2rem 5rem;
}

.content > h1:first-child {
  font-size: clamp(2.4rem, 7vw, 5.6rem);
  font-weight: 750;
  letter-spacing: 0;
  line-height: 0.95;
  margin: 0 0 2rem;
  max-width: 12ch;
}

.content > h1:first-child + p {
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.08rem, 2.4vw, 1.45rem);
  line-height: 1.45;
  margin-bottom: 2.4rem;
  padding-bottom: 2rem;
}

h2 {
  border-top: 1px solid var(--line);
  font-size: 1.15rem;
  letter-spacing: 0;
  line-height: 1.25;
  margin: 3rem 0 1rem;
  padding-top: 1rem;
}

h3 {
  font-size: 1rem;
  letter-spacing: 0;
  line-height: 1.35;
  margin: 2rem 0 0.75rem;
}

p,
li {
  line-height: 1.68;
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0 0 1.4rem;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

code {
  background: var(--soft);
  border: 1px solid var(--line);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.9em;
  padding: 0.08rem 0.25rem;
}

blockquote {
  border-left: 2px solid var(--text);
  color: var(--muted);
  margin: 1.25rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
}

.table-wrap {
  border-top: 1px solid var(--line);
  margin: 1.2rem 0 2rem;
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  min-width: 100%;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.72rem 0.9rem 0.72rem 0;
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 0.82rem;
  text-transform: uppercase;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  margin: 0 auto;
  max-width: calc(var(--max) + 4rem);
  padding: 1.2rem 2rem 2rem;
}

.source-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.citation-switcher {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 3rem;
  padding: 0.8rem 0;
  position: sticky;
  top: 0;
  z-index: 5;
}

.style-button {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  line-height: 1;
  padding: 0.55rem 0.7rem;
}

.style-button:hover,
.style-button.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}

.publication-group {
  margin-top: 3rem;
}

.group-count {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 400;
  margin-left: 0.5rem;
}

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

.publication-item {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  grid-template-columns: 3.2rem 1fr;
  padding: 1.05rem 0;
}

.publication-number {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  line-height: 1.6;
}

.publication-meta {
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}

.citation {
  display: none;
  margin: 0;
}

.publications-page[data-style="gost"] [data-citation-style="gost"],
.publications-page[data-style="apa"] [data-citation-style="apa"],
.publications-page[data-style="mla"] [data-citation-style="mla"],
.publications-page[data-style="chicago"] [data-citation-style="chicago"],
.publications-page[data-style="harvard"] [data-citation-style="harvard"],
.publications-page[data-style="ieee"] [data-citation-style="ieee"],
.publications-page[data-style="vancouver"] [data-citation-style="vancouver"],
.publications-page[data-style="bibtex"] [data-citation-style="bibtex"] {
  display: block;
}

.citation-bibtex {
  background: var(--soft);
  border: 1px solid var(--line);
  overflow-x: auto;
  padding: 0.8rem;
  white-space: pre-wrap;
}

.citation-bibtex code {
  background: transparent;
  border: 0;
  padding: 0;
}

.language-gate {
  margin: 0 auto;
  max-width: 760px;
  padding: 18vh 2rem 2rem;
}

.gate-kicker {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.language-gate h1 {
  font-size: clamp(2.6rem, 8vw, 6rem);
  letter-spacing: 0;
  line-height: 0.95;
  margin: 0 0 1.2rem;
}

.language-gate p {
  color: var(--muted);
  font-size: 1.1rem;
}

.gate-links {
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
}

.gate-links a {
  border: 1px solid var(--text);
  padding: 0.7rem 0.9rem;
  text-decoration: none;
}

.gate-links a:hover {
  background: var(--text);
  color: var(--bg);
}

@media (max-width: 760px) {
  .site-header {
    align-items: start;
    grid-template-columns: 1fr auto;
    padding: 1rem;
  }

  .brand {
    grid-column: 1 / 2;
  }

  .brand span {
    display: none;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    order: 3;
  }

  .language-link {
    border-left: 0;
    padding-left: 0;
  }

  .content {
    padding: 3rem 1rem 4rem;
  }

  .content > h1:first-child {
    max-width: none;
  }

  .citation-switcher {
    position: static;
  }

  .publication-item {
    grid-template-columns: 2.4rem 1fr;
  }

  .site-footer {
    padding: 1rem;
  }
}