:root {
  --spherity-blue: #0969da;
  --text-main: #24292f;
  --text-strong: #111827;
  --text-muted: #57606a;
  --border-soft: #d8dee4;
  --bg-page: #f6f8fa;
  --bg-card: #ffffff;
  --bg-soft: #fbfbfc;
  --bg-blue-soft: #f6f8ff;
  --shadow-soft: 0 14px 36px rgba(17, 24, 39, 0.06);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1.25rem;
}

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--text-main);
}

.srespec-page,
.srespec-page * {
  box-sizing: border-box;
}

.srespec-page {
  width: min(100% - 3rem, 1500px);
  margin: 0 auto;
  padding: 2rem 0 4rem 0;
  display: grid;
  grid-template-columns: 280px minmax(0, 980px);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

/* Left navigation */

.srespec-sidebar {
  position: sticky;
  top: 1.25rem;
  max-height: calc(100vh - 2.5rem);
  overflow: auto;
  padding: 1.1rem 1rem 1.25rem 0;
  border-right: 1px solid var(--border-soft);
}

.srespec-logo-link {
  display: inline-block;
  margin-bottom: 1.4rem;
}

.srespec-logo {
  display: block;
  max-width: 170px;
  height: auto;
}

.srespec-toc {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.srespec-toc h2 {
  margin: 0 0 0.85rem 0;
  padding: 0;
  border: none;
  font-size: 0.88rem;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.srespec-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.srespec-toc li {
  margin: 0.42rem 0;
  padding: 0;
}

.srespec-toc a {
  display: block;
  padding: 0.28rem 0.4rem 0.28rem 0;
  border-radius: 6px;
  color: var(--text-main);
  font-size: 0.9rem;
  line-height: 1.35;
  text-decoration: none;
}

.srespec-toc a:hover {
  color: var(--spherity-blue);
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

/* Main article */

.srespec-main {
  min-width: 0;
  padding: clamp(1.5rem, 3vw, 3rem);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.72;
  color: var(--text-main);
}

.srespec-header {
  margin: 0 0 2.25rem 0;
  padding: 0 0 1.75rem 0;
  border-bottom: 1px solid var(--border-soft);
}

.srespec-header-top {
  margin-bottom: 1.25rem;
}

.srespec-header-logo {
  display: block;
  max-width: 160px;
  height: auto;
  margin-bottom: 1.15rem;
}

.srespec-kicker {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.srespec-title {
  max-width: 980px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--text-strong);
}

.srespec-subtitle {
  max-width: 900px;
  margin: 1rem 0 1.4rem 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--text-muted);
}

.srespec-meta {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.35rem 1rem;
  margin: 1.4rem 0 0 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  line-height: 1.45;
}

.srespec-meta div {
  display: contents;
}

.srespec-meta dt {
  font-weight: 650;
  color: var(--text-strong);
}

.srespec-meta dd {
  margin: 0;
  color: var(--text-muted);
  overflow-wrap: anywhere;
}

.srespec-meta a {
  color: var(--spherity-blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

/* Article typography */

.srespec-main h2,
.srespec-main h3,
.srespec-main h4 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.25;
  color: var(--text-strong);
}

.srespec-main h2 {
  margin-top: 3rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-soft);
  font-size: 1.75rem;
}

.srespec-main h3 {
  margin-top: 2rem;
  font-size: 1.28rem;
}

.srespec-main p {
  margin: 1rem 0;
}

.srespec-main a {
  color: var(--spherity-blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

.srespec-main code {
  white-space: pre-wrap;
}

/* Hide old inline ToC if it remains in the article body */

.srespec-main .toc-box {
  display: none;
}

/* Highlight boxes */

.paper-thesis {
  margin: 1.75rem 0 2.25rem 0;
  padding: 1.15rem 1.25rem;
  border-left: 4px solid var(--spherity-blue);
  border-radius: 8px;
  background: var(--bg-soft);
  line-height: 1.62;
}

.abstract-box {
  margin: 2rem 0;
  padding: 1.45rem 1.55rem;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: var(--bg-soft);
}

.abstract-box h2 {
  margin-top: 0;
  border-bottom: none;
}

.keywords {
  margin-top: 1.15rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-muted);
}

/* Figures */

.paper-figure,
.table-figure {
  margin: 2.2rem 0 2.6rem 0;
}

.paper-figure img,
.paper-figure svg {
  max-width: 100%;
  height: auto;
}

.paper-figure.centered-figure {
  text-align: center;
}

.paper-figure.centered-figure img,
.paper-figure.centered-figure svg {
  display: block;
  max-width: min(100%, 980px);
  height: auto;
  margin-inline: auto;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: #ffffff;
}

.paper-figure figcaption,
.table-figure figcaption {
  margin-top: 0.7rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.table-figure figcaption {
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.paper-figure figcaption strong,
.table-figure figcaption strong {
  color: var(--text-strong);
}

/* SSI figure */

.ssi-figure {
  padding: 1rem;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.trust-plane,
.semantic-plane {
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: var(--bg-soft);
  font-size: 0.92rem;
  color: var(--text-main);
}

.ssi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin: 0.95rem 0;
}

.ssi-node {
  min-height: 115px;
  padding: 0.95rem;
  border: 1px solid var(--spherity-blue);
  border-radius: 10px;
  background: var(--bg-blue-soft);
}

.ssi-node strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1rem;
}

.ssi-node span {
  display: block;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--text-muted);
}

/* Tables */

.table-scroll {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: #ffffff;
}

.academic-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
  line-height: 1.45;
}

.academic-table thead th {
  padding: 0.85rem 0.9rem;
  text-align: left;
  vertical-align: bottom;
  border-bottom: 2px solid #d0d7de;
  background: var(--bg-soft);
  font-weight: 650;
  color: var(--text-main);
}

.academic-table tbody td {
  padding: 0.8rem 0.9rem;
  vertical-align: top;
  border-top: 1px solid var(--border-soft);
}

.academic-table tbody tr:nth-child(even) {
  background: var(--bg-soft);
}

.academic-table th:first-child,
.academic-table td:first-child {
  font-weight: 650;
  color: var(--text-strong);
}

.translation-table { min-width: 840px; }
.taxonomy-table { min-width: 1120px; }
.macro-table { min-width: 980px; }
.standards-table { min-width: 960px; }
.maturity-table { min-width: 840px; }
.recommendation-table { min-width: 1120px; }
.inventory-table { min-width: 880px; }

/* References */

.references p,
.references li {
  margin: 0.65rem 0;
  padding-left: 1.75rem;
  text-indent: -1.75rem;
  overflow-wrap: anywhere;
}

/* Responsive layout */

@media (max-width: 1150px) {
  .srespec-page {
    width: min(100% - 2rem, 980px);
    display: block;
  }

  .srespec-sidebar {
    position: static;
    max-height: none;
    margin: 0 0 1.5rem 0;
    padding: 1rem;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: var(--shadow-soft);
  }

  .srespec-logo-link {
    display: none;
  }

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

  .srespec-main {
    padding: clamp(1.25rem, 3vw, 2rem);
  }
}

@media (max-width: 800px) {
  .ssi-grid {
    grid-template-columns: 1fr;
  }

  .srespec-toc ol {
    grid-template-columns: 1fr;
  }

  .srespec-meta {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .srespec-meta dt {
    margin-top: 0.4rem;
  }
}

@media (max-width: 600px) {
  .srespec-page {
    width: 100%;
    padding: 1rem;
  }

  .srespec-main {
    border-radius: 12px;
    font-size: 16px;
  }

  .srespec-title {
    font-size: 1.8rem;
  }

  .academic-table {
    min-width: 760px;
    font-size: 0.86rem;
  }
}

/* Print layout */

@media print {
  body {
    background: #ffffff;
  }

  .srespec-page {
    display: block;
    width: auto;
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .srespec-sidebar {
    display: none;
  }

  .srespec-main {
    padding: 0;
    border: none;
    box-shadow: none;
    font-size: 11pt;
    line-height: 1.45;
  }

  .srespec-header,
  .paper-thesis,
  .abstract-box,
  .table-figure,
  .paper-figure {
    break-inside: avoid;
  }

  .table-scroll {
    overflow: visible;
    border: none;
  }

  .academic-table {
    min-width: 0;
    font-size: 8.7pt;
  }

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

/* Markdown tables */

.srespec-main table:not(.academic-table) {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
  line-height: 1.45;
}

.srespec-main table:not(.academic-table) thead {
  background: var(--bg-soft);
}

.srespec-main table:not(.academic-table) th,
.srespec-main table:not(.academic-table) td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--border-soft);
}

.srespec-main table:not(.academic-table) th {
  font-weight: 650;
  color: var(--text-main);
  background: var(--bg-soft);
}

.srespec-main table:not(.academic-table) tbody tr:nth-child(even) {
  background: var(--bg-soft);
}

/* Table captions */

.academic-table caption,
.srespec-main table caption {
  caption-side: top;
  margin: 0 0 0.6rem 0;
  padding: 0;
  text-align: left;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.95rem;
  line-height: 1.45;
  font-weight: 400;
  color: var(--text-main);
}

.academic-table caption strong,
.srespec-main table caption strong {
  color: var(--text-strong);
  font-weight: 650;
}