.academic-paper {
  font-family: 'Crimson Pro', 'Georgia', 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.7;
  max-width: 850px;
  margin: 0 auto;
  padding: 1.5rem;
  color: var(--text-color, #3c3836);
}

/* Header Section */
.paper-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed var(--code-color-18, #a89984);
}

.paper-header h1 {
  font-size: 2.2rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
  color: var(--code-color-7, #9d0006);
}

.paper-header .subtitle {
  font-style: italic;
  color: var(--code-color-11, #665c54);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.paper-header .author {
  font-size: 0.95rem;
  color: var(--code-color-11, #665c54);
}

.paper-header .author a {
  color: var(--link-color, #076678);
  border-bottom: 1px solid var(--link-color, #076678);
  text-decoration: none;
}

.paper-header .author a:hover {
  border-bottom-color: transparent;
}

/* Year heading outside columns */
.academic-paper > h1 {
  font-size: 1.6rem;
  font-weight: 600;
  margin: 1.5rem 0 1rem 0;
  color: var(--code-color-7, #9d0006);
}

/* Two-column body */
.paper-body {
  column-count: 2;
  column-gap: 2.5rem;
  column-rule: 1px dashed var(--code-color-18, #a89984);
}

.paper-section {
  break-inside: avoid-column;
  margin-bottom: 1.5rem;
}

.paper-section h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  color: var(--code-color-5, #458588);
  border-bottom: 1px solid var(--code-color-18, #a89984);
  padding-bottom: 0.25rem;
}

.section-number {
  font-weight: normal;
  margin-right: 0.4rem;
  color: var(--code-color-11, #665c54);
}

.academic-paper p {
  margin-bottom: 1rem;
  text-align: left;
}

.academic-paper ul,
.academic-paper ol {
  margin-bottom: 1rem;
  padding-left: 1.25rem;
  list-style: none;
}

.academic-paper li {
  margin-bottom: 0.35rem;
  position: relative;
}

.academic-paper a {
  color: var(--link-color, #076678);
  text-decoration: none;
  border-bottom: 1px solid var(--link-color, #076678);
}

.academic-paper a:hover {
  border-bottom-color: transparent;
}

.academic-paper .footnotes {
  font-size: 0.85rem;
  border-top: 1px dashed var(--code-color-18, #a89984);
  margin-top: 2rem;
  padding-top: 1rem;
  column-span: all;
}

.academic-paper .footnotes ol {
  padding-left: 1.5rem;
}

.academic-paper .footnotes p {
  text-align: left;
}

.academic-paper sup {
  font-size: 0.75em;
  line-height: 0;
}

.academic-paper sup a {
  border-bottom: none;
  color: var(--code-color-5, #458588);
}

@media (max-width: 768px) {
  .paper-body {
    column-count: 1;
  }

  .academic-paper {
    padding: 1rem;
    font-size: 16px;
  }

  .paper-header h1 {
    font-size: 1.8rem;
  }
}