/* Shared reading theme for vLLM, Megatron-LM, and lm-evaluation-harness notes. */

:root {
  --bg: #f4f6f3;
  --bg-card: #ffffff;
  --bg-code: #18201c;
  --border: #d8dfda;
  --text: #202622;
  --text-muted: #68716b;
  --accent: #245d4d;
  --accent2: #3f765f;
  --accent3: #7a5947;
  --accent4: #b45236;
  --accent5: #755c78;
  --tag-bg: #e7f0eb;
  --tag-bg2: #edf4ef;
  --tag-bg3: #f2ece8;
  --tag-bg4: #f7ebe6;
  --tag-bg5: #f0ebf1;
}

* {
  box-sizing: border-box;
  letter-spacing: 0 !important;
}

html {
  min-width: 320px;
  scroll-padding-top: 78px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.72;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a:focus-visible,
summary:focus-visible {
  outline: 2px solid #246baf;
  outline-offset: 3px;
}

.docs-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 58px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}

.docs-topbar-inner {
  width: min(1080px, calc(100% - 40px));
  min-height: 58px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.docs-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  color: var(--text);
  font-weight: 720;
  text-decoration: none;
  white-space: nowrap;
}

.docs-brand small {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
}

.docs-toplinks {
  display: flex;
  gap: 20px;
}

.docs-toplinks a {
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
}

.docs-toplinks a:hover {
  color: var(--text);
}

/* Page heading */
.hero {
  padding: 54px 0 46px;
  text-align: left;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  overflow: visible;
}

.hero::before {
  display: none;
}

.hero::after {
  display: none !important;
}

.hero > .container,
.hero > div {
  width: min(960px, calc(100% - 40px));
  max-width: 960px !important;
  margin-inline: auto !important;
  padding: 0 !important;
}

.hero h1 {
  max-width: 880px;
  margin: 0 0 12px;
  color: var(--text);
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", serif;
  font-size: 38px;
  font-weight: 620;
  line-height: 1.22;
}

.hero h1 .file,
.hero h1 .hl {
  color: var(--accent);
}

.hero .subtitle {
  max-width: 760px;
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
}

.hero .meta {
  margin-top: 20px;
  justify-content: flex-start;
  gap: 8px;
}

.hero .meta span {
  padding: 3px 8px;
  color: var(--text-muted);
  background: #f8faf8;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
}

/* Index pages */
body > .container {
  max-width: 960px;
  padding-top: 48px;
  padding-bottom: 72px;
}

.page-body > .main-content:only-child {
  width: min(960px, 100%);
  max-width: 960px !important;
  margin-inline: auto !important;
  padding-top: 48px !important;
  padding-bottom: 72px;
}

.section-title {
  margin: 42px 0 8px;
  color: var(--accent4);
  font-size: 12px;
  font-weight: 720;
  text-transform: uppercase;
}

.section-title:first-child {
  margin-top: 0;
}

.doc-card {
  min-height: 104px;
  margin: 0;
  padding: 18px 2px;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  grid-template-areas:
    "file title tags"
    "file desc tags";
  column-gap: 20px;
  align-items: center;
  color: var(--text);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  text-decoration: none;
  transition: background 160ms ease, padding 160ms ease;
}

.doc-card:hover {
  padding-right: 12px;
  padding-left: 12px;
  color: var(--text);
  background: #ffffff;
  border-color: var(--border);
  box-shadow: none;
  transform: none;
}

.doc-card .doc-file {
  grid-area: file;
  margin: 0;
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.doc-card .doc-title {
  grid-area: title;
  margin: 0 0 3px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
}

.doc-card .doc-desc {
  grid-area: desc;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.55;
}

.doc-card .doc-tags {
  grid-area: tags;
  max-width: 180px;
  margin: 0;
  justify-content: flex-end;
  align-self: center;
}

.doc-card .doc-tag,
.tag {
  padding: 2px 6px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 11px;
}

.tag-blue { background: var(--tag-bg); color: var(--accent); border-color: #c8ddd3; }
.tag-green { background: var(--tag-bg2); color: var(--accent2); border-color: #d4e4da; }
.tag-purple { background: var(--tag-bg3); color: var(--accent3); border-color: #e3d4ca; }
.tag-orange { background: var(--tag-bg4); color: var(--accent4); border-color: #ebcec3; }
.tag-pink { background: var(--tag-bg5); color: var(--accent5); border-color: #ded0df; }

/* Article layout */
.page-body {
  width: min(1280px, calc(100% - 40px));
  max-width: 1280px;
  margin-inline: auto;
  padding: 0;
  display: grid;
  grid-template-columns: 232px minmax(0, 820px);
  justify-content: center;
  gap: 48px;
  align-items: stretch;
}

.toc-sidebar {
  width: auto;
  margin: 0;
  padding-top: 42px;
}

.toc {
  top: 82px;
  max-height: calc(100vh - 106px);
  padding: 0 22px 18px 0;
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border);
}

.toc-site-nav {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
}

.toc-site-nav a {
  color: var(--text-muted);
  font-size: 12px;
}

.toc-home {
  margin-bottom: 16px;
  color: var(--accent);
  font-size: 13px;
}

.toc-group {
  margin-top: 15px;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 720;
  text-transform: uppercase;
}

.toc-doc {
  margin-left: 0;
  padding: 4px 0 4px 10px;
  color: var(--text-muted);
  border-left: 2px solid transparent;
  font-size: 12px;
  line-height: 1.45;
}

.toc-doc:hover {
  color: var(--text);
}

.toc-doc.active {
  color: var(--primary, var(--accent));
  border-left-color: var(--accent);
}

.toc-divider {
  margin: 18px 0;
  border-color: var(--border);
}

.toc h2 {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 12px;
  text-transform: uppercase;
}

.toc ol li {
  margin-bottom: 5px;
}

.toc ol li::before {
  color: var(--accent4);
  font-size: 10px;
}

.toc a {
  color: var(--text-muted);
  font-size: 12px;
}

.main-content {
  width: 100%;
  min-width: 0;
  max-width: 820px;
  padding-bottom: 72px;
}

.main-content section {
  margin: 48px 0;
}

section .section-header,
.main-content section > h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 22px;
  padding-bottom: 12px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

section .section-header h2,
.main-content section > h2 {
  color: var(--text);
  font-size: 23px;
  font-weight: 720;
  line-height: 1.35;
}

section .section-num,
.main-content section > h2 .section-num {
  width: auto;
  height: auto;
  display: inline;
  flex: 0 0 auto;
  color: var(--accent4);
  background: transparent;
  border-radius: 0;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

section:hover .section-num {
  box-shadow: none;
  transform: none;
}

section h3,
.prose h3 {
  margin: 30px 0 12px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.45;
}

.prose,
.main-content > section > p,
.main-content > section > ul,
.main-content > section > ol {
  color: #303833;
  font-size: 15px;
}

.prose p,
.main-content section > p {
  margin-bottom: 16px;
}

.prose strong,
.main-content strong {
  color: var(--text);
}

.prose code,
.main-content p code,
.main-content li code,
.data-table td code,
table td code {
  padding: 2px 5px;
  color: var(--accent);
  background: #e8f0eb;
  border: 1px solid #d1dfd6;
  border-radius: 4px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.86em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* Code remains dark to preserve syntax contrast. */
.code-block,
pre {
  max-width: 100%;
  margin: 18px 0 22px;
  color: #e5ece8;
  background: var(--bg-code);
  border: 1px solid #2c3932;
  border-radius: 6px;
  box-shadow: none;
}

.code-block:hover,
pre:hover {
  border-color: #405248;
}

.code-block .code-title {
  padding: 9px 15px;
  color: #aab7b0;
  background: #202a25;
  border-bottom-color: #344139;
}

.code-block pre {
  margin: 0;
  border: 0;
  border-radius: 0;
}

.code-block {
  overflow: hidden;
}

.code-block pre,
pre {
  overflow-x: auto;
  overflow-y: hidden;
}

.code-block pre code,
pre code {
  display: block;
  width: max-content;
  min-width: 100%;
  color: inherit;
  background: transparent !important;
  border: 0 !important;
  overflow-wrap: normal;
  word-break: normal;
}

mjx-container[display="true"] {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

/* Notes and diagrams */
.callout {
  margin: 20px 0;
  padding: 16px 18px;
  color: #303833;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.callout-info { background: #f4f8f6; border-color: #bfd4c8; }
.callout-key { background: #f2f7f3; border-color: #b9d0c1; }
.callout-warn { background: #fbf5f1; border-color: #e2c1b4; }

.callout .callout-title {
  margin-bottom: 6px;
  font-size: 12px;
  text-transform: uppercase;
}

.callout p,
.callout li {
  overflow-wrap: anywhere;
}

.callout-info .callout-title { color: var(--accent); }
.callout-key .callout-title { color: var(--accent2); }
.callout-warn .callout-title { color: var(--accent4); }

.mermaid,
.op-vis,
.pipeline,
.timeline,
.vpp-ring-box,
.vpp-path-box {
  max-width: 100%;
  color: var(--text);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: none;
}

.mermaid {
  padding: 22px;
  overflow-x: auto;
}

.mermaid svg {
  max-width: 100%;
  height: auto;
}

.diagram {
  max-width: 100%;
  padding: 20px;
  color: #445049;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 6px;
}

details.collapsible {
  background: #ffffff;
  border-color: var(--border);
  border-radius: 6px;
}

details.collapsible summary {
  color: var(--text);
}

details.collapsible .collapsible-body {
  border-color: var(--border);
}

.flow-content,
.pl-nd,
.vpp-ring-node,
.vpp-stage,
.rank-card,
.arch-grid td:not(.row-label) {
  color: var(--text);
  background: #ffffff;
  border-color: var(--border);
  box-shadow: none;
}

.pl-phase,
.pl-fork {
  background: #f8faf8;
}

.pl-phase-title {
  background: #ffffff;
}

/* Tables */
.data-table,
.main-content table {
  color: var(--text);
  background: #ffffff;
}

.data-table th,
.data-table td,
.main-content table th,
.main-content table td {
  border-color: var(--border);
}

.data-table th,
.main-content table th {
  color: var(--text);
  background: #edf1ee;
}

.data-table tbody tr:nth-child(even),
.main-content table tbody tr:nth-child(even) {
  background: #fafbf9;
}

footer {
  margin-top: 0;
  padding: 34px 20px;
  color: var(--text-muted);
  background: #ffffff;
  border-top: 1px solid var(--border);
  font-size: 12px;
}

::-webkit-scrollbar-thumb {
  background: #b8c3bc;
}

@media (max-width: 980px) {
  .page-body {
    width: min(100% - 32px, 820px);
    display: block;
  }

  .toc-sidebar {
    width: 100%;
    margin: 0;
    padding-top: 22px;
  }

  .toc {
    position: static;
    max-height: none;
    padding: 0 0 16px;
    overflow: visible;
    border: 0;
    border-bottom: 1px solid var(--border);
  }

  #global-nav .toc-group,
  #global-nav .toc-doc,
  .toc-divider {
    display: none;
  }

  .toc-site-nav,
  .toc-home {
    display: inline-flex;
    margin: 0 14px 0 0;
  }

  .toc h2 {
    margin: 14px 0 8px;
  }

  .toc ol {
    display: flex;
    gap: 16px;
    margin: 0;
    padding-bottom: 4px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .toc ol li {
    flex: 0 0 auto;
    margin: 0;
  }

  .main-content {
    max-width: none;
  }
}

@media (max-width: 700px) {
  .docs-topbar-inner {
    width: calc(100% - 30px);
  }

  .docs-brand small {
    display: none;
  }

  .docs-toplinks {
    gap: 14px;
  }

  .docs-toplinks a {
    font-size: 12px;
  }

  .hero {
    padding: 38px 0 34px;
  }

  .hero > .container,
  .hero > div {
    width: calc(100% - 30px);
  }

  .hero h1 {
    font-size: 29px;
  }

  .hero .subtitle {
    font-size: 14px;
  }

  body > .container,
  .page-body > .main-content:only-child {
    padding: 34px 15px 56px !important;
  }

  .doc-card {
    grid-template-columns: 1fr;
    grid-template-areas: "file" "title" "desc" "tags";
    gap: 5px;
    padding: 17px 0;
  }

  .doc-card:hover {
    padding-right: 7px;
    padding-left: 7px;
  }

  .doc-card .doc-tags {
    max-width: none;
    margin-top: 4px;
    justify-content: flex-start;
  }

  .page-body {
    width: calc(100% - 30px);
  }

  .main-content section {
    margin: 40px 0;
  }

  section .section-header h2,
  .main-content section > h2 {
    font-size: 20px;
  }

  .code-block pre,
  pre {
    font-size: 12px;
  }

  .callout,
  .mermaid,
  .diagram,
  .op-vis,
  .pipeline,
  .timeline,
  .vpp-ring-box,
  .vpp-path-box {
    padding: 15px;
  }

  .main-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 380px) {
  .docs-toplinks a:first-child {
    display: none;
  }

  .hero h1 {
    font-size: 26px;
  }
}