@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&family=Tomorrow:wght@400;500;600&display=swap");

:root {
  color-scheme: light;
  --canvas: #fbf9f5;
  --surface: #ffffff;
  --surface-raised: #f3f0ea;
  --ink: #1c1d22;
  --ink-soft: #5c5b58;
  --ink-muted: rgba(54, 54, 59, 0.55);
  --line: rgba(28, 29, 34, 0.12);
  --line-soft: rgba(28, 29, 34, 0.07);
  --accent: #2a8cb8;
  --bronze: #8f7a55;
  --bronze-dark: #6f5e42;
  --red: #af2e1b;
  --green: #2e9e5b;
  --selection: rgba(42, 140, 184, 0.18);
  --display: "Tomorrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --page: 74rem;
  --measure: 68rem;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #0b0b0c;
  --surface: #121213;
  --surface-raised: #1a1a1c;
  --ink: #eceae3;
  --ink-soft: #a9a395;
  --ink-muted: rgba(169, 163, 149, 0.55);
  --line: rgba(214, 202, 178, 0.11);
  --line-soft: rgba(214, 202, 178, 0.06);
  --accent: #46b8e6;
  --bronze: #c9a876;
  --bronze-dark: #8f7a55;
  --red: #d85a4a;
  --green: #3fb872;
  --selection: rgba(70, 184, 230, 0.22);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  background: var(--canvas);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% -8%, color-mix(in srgb, var(--bronze) 8%, transparent), transparent 28rem),
    var(--canvas);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--selection); }

a { color: var(--accent); text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
a:hover { color: var(--bronze); }

.research-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--canvas) 90%, transparent);
  backdrop-filter: blur(16px);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.research-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.research-mark {
  display: grid;
  width: 1.45rem;
  height: 1.45rem;
  place-items: center;
  border: 1px solid var(--bronze);
  color: var(--bronze);
  font-family: var(--display);
  font-size: 0.8rem;
}

.research-divider { align-self: stretch; width: 1px; background: var(--line); }
.research-document { overflow: hidden; color: var(--ink-muted); text-overflow: ellipsis; white-space: nowrap; }
.research-header nav { display: flex; margin-left: auto; align-self: stretch; }
.research-header nav a { display: flex; align-items: center; padding: 0 0.75rem; border-left: 1px solid var(--line); color: var(--ink-soft); text-decoration: none; }
.research-header nav a:hover { background: var(--surface-raised); color: var(--ink); }

.theme-toggle, .toc-toggle {
  align-self: stretch;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: var(--bronze);
  cursor: pointer;
  font-family: var(--mono);
}
.theme-toggle { width: 2.75rem; font-size: 1rem; }
.toc-toggle { padding-inline: 0.85rem; font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; }
.theme-toggle:hover, .toc-toggle:hover { background: var(--surface-raised); }

.research-toc {
  position: fixed;
  inset: 2.75rem auto 0 0;
  z-index: 90;
  width: min(21rem, calc(100vw - 3rem));
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 1rem 0 3rem color-mix(in srgb, var(--ink) 8%, transparent);
  transform: translateX(-102%);
  transition: transform 180ms ease;
}
body.toc-open .research-toc { transform: translateX(0); }
.research-toc-heading { position: sticky; top: 0; z-index: 1; display: flex; height: 2.6rem; align-items: center; justify-content: space-between; padding-left: 1rem; border-bottom: 1px solid var(--line); background: var(--surface-raised); color: var(--bronze); font: 500 0.68rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.toc-close { align-self: stretch; width: 2.6rem; border: 0; border-left: 1px solid var(--line); background: transparent; color: var(--ink-soft); cursor: pointer; font: 1.2rem var(--mono); }
.toc-close:hover { background: var(--surface); color: var(--ink); }
.research-toc nav { padding: 0.7rem 0 2rem; }
.research-toc ol { margin: 0; padding: 0; list-style: none; }
.research-toc li { margin: 0; }
.research-toc a { display: block; padding: 0.48rem 1rem; border-left: 2px solid transparent; color: var(--ink-soft); font: 0.72rem/1.45 var(--mono); text-decoration: none; }
.research-toc a:hover { background: var(--surface-raised); color: var(--ink); }
.research-toc a[aria-current="page"] { border-left-color: var(--bronze); background: color-mix(in srgb, var(--bronze) 10%, transparent); color: var(--bronze); }
.research-toc .ltx_tag_ref { color: var(--ink-muted); }
.toc-rail { position: fixed; top: 50%; left: 0; z-index: 80; padding: 0.65rem 0.35rem; border: 1px solid var(--line); border-left: 0; background: var(--surface); color: var(--bronze); cursor: pointer; font: 0.6rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; writing-mode: vertical-rl; transform: translateY(-50%); }
body.toc-open .toc-rail { display: none; }

.ltx_page_main {
  width: min(calc(100% - 2rem), var(--page));
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6.5rem) clamp(1rem, 4vw, 3.25rem) 5rem;
  border-inline: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  box-shadow: 0 1.5rem 5rem color-mix(in srgb, var(--ink) 4%, transparent);
}

.ltx_page_main > * { max-width: var(--measure); margin-inline: auto; }
.ltx_page_main > .ltx_title_document,
.ltx_page_main > .ltx_authors,
.ltx_page_main > .ltx_date { max-width: 60rem; text-align: left; }

h1, h2, h3, h4, h5, h6,
.ltx_title, .ltx_title_document {
  color: var(--ink);
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.025em;
}

.ltx_title_document {
  margin-bottom: 1.25rem;
  font-size: clamp(2.25rem, 6vw, 4.65rem);
}

.ltx_authors {
  color: var(--ink-soft);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
}

.ltx_section { margin-top: 4.5rem; }
.ltx_subsection { margin-top: 3rem; }
.ltx_title_section { padding-top: 0.4rem; border-top: 1px solid var(--line); font-size: clamp(1.65rem, 4vw, 2.5rem); }
.ltx_title_subsection { font-size: clamp(1.25rem, 3vw, 1.7rem); }
.ltx_title_subsubsection, .ltx_title_paragraph { font-size: 1rem; letter-spacing: 0.01em; }

p.ltx_p { margin-block: 1.1rem; }
.ltx_abstract { margin: 3rem auto 4rem; padding: 1.5rem 1.75rem; border: 1px solid var(--line); border-left: 3px solid var(--bronze); background: var(--surface-raised); }
.ltx_abstract .ltx_title_abstract { margin-top: 0; color: var(--bronze); font: 500 0.7rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }

.ltx_theorem, .ltx_proof {
  margin-block: 1.75rem;
  padding: 1.15rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--surface-raised) 64%, transparent);
}
.ltx_theorem .ltx_title { color: var(--bronze); font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; }

.ltx_equation, .ltx_equationgroup { margin-block: 1.7rem; overflow-x: auto; padding: 0.8rem 0; }
math { color: var(--ink); }
.ltx_math_unparsed { text-decoration: none; }

figure.ltx_figure { max-width: 72rem; margin: 2.75rem auto; padding: 1.2rem; border: 1px solid var(--line); background: var(--surface); }
.ltx_graphics { display: block; max-width: 100%; height: auto; margin-inline: auto; }
object.ltx_graphics { width: 100%; min-height: min(55vw, 34rem); }
.ltx_caption { display: block; margin-top: 1rem; padding-top: 0.9rem; border-top: 1px solid var(--line-soft); color: var(--ink-soft); font-size: 0.86rem; line-height: 1.55; }
.ltx_tag_figure, .ltx_tag_table { color: var(--bronze); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; }

.ltx_table { display: block; max-width: 100%; overflow-x: auto; margin-block: 2rem; }
table { width: 100%; border-collapse: collapse; background: var(--surface); font-size: 0.86rem; }
th, td { padding: 0.65rem 0.75rem; border-color: var(--line) !important; }
th { background: var(--surface-raised); color: var(--ink); font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.04em; text-transform: uppercase; }

.ltx_note { color: var(--ink-soft); }
.ltx_note_mark { color: var(--bronze); font-family: var(--mono); }
.ltx_bibliography { font-size: 0.88rem; }
.ltx_bibitem { margin-bottom: 1rem; }

.ltx_TOC, .ltx_page_navbar { display: none !important; }

.research-footer {
  display: flex;
  width: min(calc(100% - 2rem), var(--page));
  justify-content: space-between;
  gap: 1rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
  color: var(--ink-muted);
  font: 0.68rem var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.research-version { color: var(--bronze); }



@media (max-width: 720px) {
  .research-document { display: none; }
  .toc-toggle { padding-inline: 0.6rem; }
  .research-toc { width: min(20rem, calc(100vw - 2.5rem)); }
  .research-divider { display: none; }
  .research-brand span:not(.research-mark) { display: none; }
  .ltx_page_main { width: 100%; padding: 3rem 1.1rem 4rem; border-inline: 0; }
  .ltx_title_document { font-size: 2.35rem; }
  figure.ltx_figure { margin-inline: -0.35rem; padding: 0.65rem; }
  object.ltx_graphics { min-height: 62vw; }
  .research-footer { width: 100%; flex-direction: column; }
}

@media print {
  .research-header, .research-toc, .toc-rail, .theme-toggle, .ltx_page_navbar, .ltx_TOC { display: none !important; }
  body { background: white; color: black; font-size: 11pt; }
  .ltx_page_main { width: 100%; max-width: none; padding: 0; border: 0; box-shadow: none; background: white; }
  .research-footer { width: 100%; padding-inline: 0; }
  a { color: inherit; }
  figure, table, .ltx_theorem { break-inside: avoid; }
}