/* Modern CSS Variables for consistent theming */
:root {
  --primary-color: #6B67EE;
  --primary-hover: #9793F8;
  --secondary-color: #9793F8;
  --accent-color: #9793F8;
  --text-primary: #030072;
  --text-secondary: #030072;
  --text-light: #030072;
  --background-primary: #ffffff;
  --background-secondary: #F1F1FF;
  --background-accent: #F1F1FF;
  --border-color: #6B67EE;
  --shadow-sm: 0 1px 2px 0 rgb(124 58 237 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(124 58 237 / 0.08), 0 2px 4px -2px rgb(124 58 237 / 0.06);
  --shadow-lg: 0 10px 15px -3px rgb(124 58 237 / 0.1), 0 4px 6px -4px rgb(124 58 237 / 0.08);
  --shadow-xl: 0 20px 25px -5px rgb(124 58 237 / 0.12), 0 8px 10px -6px rgb(124 58 237 / 0.08);
  --gradient-primary: linear-gradient(135deg, #9793F8 0%, #6B67EE 100%);
  --gradient-accent: linear-gradient(135deg, #9793F8 0%, #6B67EE 100%);
  --gradient-subtle: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth scrolling for better UX */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Lora', Georgia, 'Times New Roman', serif;
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 16px;
  background-color: var(--background-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Bulma Gray Overrides — force theme colors */
.title,
.title.is-1,
.title.is-2,
.title.is-4,
.title.is-5,
.title.is-6 {
  color: var(--text-primary) !important;
}

.subtitle {
  color: var(--text-secondary) !important;
}

.subtitle strong,
.content h1,
.content h2,
.content h3,
.content h4,
.content h5,
.content h6,
.content th {
  color: var(--text-primary) !important;
}

.content li,
.content p,
.content td {
  color: var(--text-secondary);
}

a:not(.button) {
  color: var(--primary-color);
}

a:not(.button):hover {
  color: var(--primary-hover);
}

strong {
  color: var(--text-primary);
}

.hero.is-light .title {
  color: var(--text-primary) !important;
}

.hero.is-light .subtitle {
  color: var(--text-secondary) !important;
}


/* Modern Button Styles */
.button {
  border-radius: var(--border-radius) !important;
  font-weight: 600 !important;
  transition: var(--transition) !important;
  border: 2px solid transparent !important;
  position: relative;
  overflow: hidden;
}

.button.is-dark {
  background: var(--text-primary) !important;
  border: none !important;
  color: white !important;
  box-shadow: var(--shadow-md);
}

.button.is-dark:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--primary-color) !important;
}

.button.is-dark:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.footer .icon-link {
  font-size: 25px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer .icon-link:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.link-block a {
  margin: 8px 4px;
}

.dnerf {
  font-variant: small-caps;
}


/* Hero Section Modernization */
.hero {
  position: relative;
  overflow: hidden;
}

.hero.is-light {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.hero-body {
  padding: 2.5rem 1.5rem;
}

.teaser .hero-body {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.teaser .subtitle {
  margin-top: 1.5rem !important;
  line-height: 1.6;
  font-size: 1rem;
}

.teaser {
  font-family: 'Lora', Georgia, serif;
}


/* Publication Content Styling */
.publication-title {
  font-family: 'Lora', Georgia, serif !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: 2rem !important;
  line-height: 1.1 !important;
}

.publication-banner {
  max-height: 70vh;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  margin: 2rem 0;
}

.publication-banner video {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  object-fit: cover;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
}

.publication-header .hero-body {
  padding: 6rem 1.5rem 4rem;
}

.publication-authors {
  font-family: 'Lora', Georgia, serif !important;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.publication-venue {
  color: var(--text-secondary);
  width: fit-content;
  font-weight: 600;
  background: var(--background-accent);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  margin-top: 1rem;
  display: inline-block;
}

.publication-awards {
  color: #ef4444;
  width: fit-content;
  font-weight: 700;
  background: linear-gradient(135deg, #fef2f2, #fee2e2);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  border-left: 4px solid #ef4444;
  margin-top: 1rem;
}

.publication-authors a {
  color: var(--primary-color) !important;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
}

.publication-authors a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background: var(--gradient-accent);
  transition: var(--transition);
}

.publication-authors a:hover::after {
  width: 100%;
}

.publication-authors a:hover {
  color: var(--primary-hover) !important;
}

.author-block {
  display: inline-block;
  margin-right: 0.5rem;
}

.publication-banner img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.publication-banner img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

/* Modern Video and Carousel Styling */
.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: var(--border-radius-lg) !important;
  box-shadow: var(--shadow-xl);
  transition: var(--transition);
}

.publication-video:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.publication-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
}

.publication-body img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.publication-body img:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.results-carousel {
  overflow: hidden;
  padding: 1rem 0;
}

.results-carousel .item {
  margin: 1rem;
  overflow: hidden;
  padding: 1.5rem;
  font-size: 0;
  background: var(--background-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.results-carousel .item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.results-carousel .item img,
.results-carousel video {
  margin: 0;
  border-radius: var(--border-radius);
  width: 100%;
  height: auto;
}

.results-carousel .subtitle {
  font-size: 1rem !important;
  color: var(--text-secondary);
  margin-top: 1rem;
  font-weight: 500;
}

/* Pagination and Misc Improvements */
.slider-pagination .slider-page {
  background: var(--primary-color);
  border-radius: 50%;
  transition: var(--transition);
}

.slider-pagination .slider-page.is-active {
  background: var(--primary-hover);
  transform: scale(1.2);
}

.eql-cntrb {
  font-size: 0.875rem;
  color: var(--text-light);
  font-style: italic;
}

/* Section Titles */
.title.is-3 {
  font-family: 'Lora', Georgia, serif !important;
  font-weight: 700 !important;
  color: var(--text-primary);
  margin-bottom: 1.5rem !important;
  position: relative;
  padding-bottom: 0.75rem;
}

/* Content Improvements */

.math-box {
  background: var(--background-primary);
  border: 4px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
  overflow-x: auto;
}

.content.has-text-justified {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-secondary) !important;
}

.content.has-text-justified p {
  margin-bottom: 1rem;
  color: var(--text-secondary) !important;
}

/* Footer Improvements */
.footer {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
}

.footer .content {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* BibTeX Styling */
pre {
  background: var(--background-accent) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--border-radius) !important;
  padding: 1.5rem !important;
  font-size: 0.9rem !important;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

code {
  background: var(--background-accent) !important;
  color: var(--text-primary) !important;
  font-family: 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', monospace !important;
}

/* BibTeX Section Improvements */
.bibtex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.copy-bibtex-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.copy-bibtex-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.copy-bibtex-btn.copied {
  background: #EABBFF;
}

.copy-bibtex-btn.copied .copy-text::after {
  content: "ied!";
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
}

.scroll-to-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
}


/* More Works Dropdown */
.more-works-container {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 1000;
}

.more-works-btn {
  background: var(--background-primary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Lora', Georgia, serif;
}

.more-works-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--background-secondary);
  border-color: var(--primary-color);
}

.more-works-btn .dropdown-arrow {
  transition: var(--transition);
  font-size: 0.8rem;
}

.more-works-btn.active .dropdown-arrow {
  transform: rotate(180deg);
}

.more-works-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 400px;
  max-width: 90vw;
  background: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  max-height: 70vh;
  overflow-y: auto;
}

.more-works-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.dropdown-header h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.close-btn:hover {
  background: var(--background-accent);
  color: var(--text-primary);
}

.works-list {
  padding: 1rem;
}

.work-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  margin-bottom: 0.5rem;
}

.work-item:hover {
  background: var(--background-accent);
  transform: translateX(4px);
}

.work-info h5 {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
}

.work-info p {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.work-venue {
  font-size: 0.8rem;
  color: var(--text-light);
  font-style: italic;
}

.work-item .fas {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}


/* Mobile Responsive Improvements */
@media screen and (max-width: 768px) {
  .hero-body {
    padding: 2rem 1rem;
  }

  .publication-header .hero-body {
    padding: 3rem 1rem 2rem;
  }

  .publication-title {
    font-size: 2.5rem !important;
    line-height: 1.2 !important;
    margin-bottom: 1.5rem !important;
  }

  .publication-authors {
    font-size: 1rem !important;
  }

  .button {
    margin: 0.25rem !important;
    font-size: 0.875rem !important;
    padding: 0.75rem 1rem !important;
  }

  .more-works-container {
    bottom: 2rem;
    right: 1rem;
    top: auto;
  }

  .more-works-btn {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }

  .more-works-dropdown {
    width: calc(100vw - 2rem);
    right: -1rem;
    bottom: calc(100% + 0.5rem);
    top: auto;
  }

  .results-carousel .item {
    margin: 0.5rem;
    padding: 1rem;
  }

  .teaser .hero-body {
    padding: 1rem;
  }

  .content.has-text-justified {
    font-size: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .publication-title {
    font-size: 2rem !important;
  }

  .hero-body {
    padding: 1.5rem 0.75rem;
  }

  .more-works-container {
    position: fixed;
    bottom: 2rem;
    right: 1rem;
    z-index: 1000;
  }

  .more-works-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .more-works-dropdown {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    right: 0;
    width: calc(100vw - 2rem);
    max-width: 90vw;
  }

  .link-block {
    display: block;
    margin-bottom: 0.5rem;
  }

  .button {
    width: 100%;
    justify-content: center;
  }
}

/* Tablet Responsive */
@media screen and (min-width: 769px) and (max-width: 1024px) {
  .hero-body {
    padding: 3rem 2rem;
  }

  .publication-header .hero-body {
    padding: 4rem 2rem 3rem;
  }
}

/* Animation for page load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero,
.section {
  animation: fadeInUp 0.6s ease-out;
}

/* Light dividing lines between sections */
.section + .section,
.hero + .section,
.section + .hero,
.hero + .hero {
  border-top: 1px solid #eee;
}

/* Improved focus states for accessibility */
.button:focus,
.related-works-btn:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}


/* ===== Cover Image Showcase ===== */
.cover-wrapper {
  position: relative;
  display: inline-block;
  max-width: 100%;
  perspective: 800px;
}

.cover-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: transparent;
  padding: 0;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 10px 30px rgba(107, 103, 238, 0.15),
    0 4px 12px rgba(107, 103, 238, 0.1);
}

/* Always-visible gradient border */
.cover-border {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 4px solid transparent;
  background: var(--gradient-primary) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  z-index: 3;
  pointer-events: none;
}

.cover-wrapper:hover .cover-frame {
  transform: translateY(-6px) rotateX(1deg);
  box-shadow:
    0 20px 50px rgba(107, 103, 238, 0.25),
    0 8px 20px rgba(107, 103, 238, 0.15);
}

.cover-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

/* Forward image: mask sweeps L→R with a narrow gradient edge */
.cover-forward {
  -webkit-mask-image: linear-gradient(to right, black 90%, transparent 100%);
  mask-image: linear-gradient(to right, black 90%, transparent 100%);
  -webkit-mask-size: 300% 100%;
  mask-size: 300% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  animation: revealForward 14s ease-in-out infinite;
}

@keyframes revealForward {
  0%         { mask-position: 200% 0; opacity: 1; }
  2%         { mask-position: 198% 0; }
  44%        { mask-position: 0% 0; opacity: 1; }
  46%        { opacity: 0; mask-position: 0% 0; }
  47%, 99%   { opacity: 0; mask-position: 200% 0; }
  100%       { opacity: 1; mask-position: 200% 0; }
}

/* Reverse image: mask sweeps R→L with a narrow gradient edge */
.cover-reverse {
  -webkit-mask-image: linear-gradient(to left, black 90%, transparent 100%);
  mask-image: linear-gradient(to left, black 90%, transparent 100%);
  -webkit-mask-size: 300% 100%;
  mask-size: 300% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  animation: revealReverse 14s ease-in-out infinite;
}

@keyframes revealReverse {
  0%, 45%    { opacity: 0; mask-position: -200% 0; }
  47%        { opacity: 1; mask-position: -200% 0; }
  49%        { mask-position: -198% 0; }
  94%        { mask-position: 100% 0; }
  96%        { mask-position: 100% 0; opacity: 1; }
  98%        { opacity: 0; }
  100%       { opacity: 0; }
}

/* Frame sizing reference from first image */
.cover-frame img:first-of-type {
  position: relative;
}

/* (scan line removed) */

.cover-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  height: 60%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(151, 147, 248, 0.25) 0%, transparent 70%);
  filter: blur(40px);
  z-index: -1;
  animation: coverPulse 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes coverPulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.08); }
}

.cover-particles {
  position: absolute;
  inset: -20px;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: var(--primary-color);
  opacity: 0;
  animation: particleFloat 4s ease-in-out var(--delay) infinite;
}

@keyframes particleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
  20% { opacity: 0.6; }
  50% { opacity: 0.4; transform: translateY(-18px) scale(1); }
  80% { opacity: 0.6; }
}

/* (scan line removed) */

/* Directional labels beneath the cover */
.cover-labels {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding: 0 0.5rem;
  pointer-events: none;
}

.cover-label {
  font-family: 'Lora', Georgia, serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--primary-color);
  animation: labelPulse 14s ease-in-out infinite;
}

.label-forward {
  animation-name: labelForward;
}

.label-reverse {
  animation-name: labelReverse;
}

@keyframes labelForward {
  0%        { opacity: 0.15; }
  4%        { opacity: 1; }
  44%       { opacity: 1; }
  46%, 100% { opacity: 0.15; }
}

@keyframes labelReverse {
  0%, 47%   { opacity: 0.15; }
  49%       { opacity: 1; }
  94%       { opacity: 1; }
  98%, 100% { opacity: 0.15; }
}

/* ===== Interactive TOC Accordion ===== */
.toc-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.toc-item {
  background: var(--background-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  width: 100%;
  box-sizing: border-box;
}

.toc-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-hover);
}

.toc-item[open] {
  box-shadow: var(--shadow-lg);
}

.toc-item summary {
  list-style: none;
}

.toc-item summary::-webkit-details-marker {
  display: none;
}

.toc-header {
  display: flex;
  align-items: center;
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  user-select: none;
  gap: 1rem;
  transition: var(--transition);
}

.toc-header:hover {
  background: var(--background-secondary);
}

.toc-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.toc-title {
  flex: 1;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.toc-chevron {
  transition: transform 0.3s ease;
  color: var(--primary-color);
  font-size: 0.8rem;
  flex-shrink: 0;
}

.toc-item[open] .toc-chevron {
  transform: rotate(180deg);
}

.toc-body {
  padding: 0.25rem 1.5rem 1.5rem 0;
  animation: tocSlideDown 0.3s ease;
}

.toc-body p {
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-left: 1.5rem;
}

.toc-body ul.toc-subsections {
  margin-top: 0;
  margin-bottom: 0;
  list-style: none;
  padding-left: 0;
}

.toc-body li {
  font-size: 0.92rem;
  line-height: 1.6;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(107, 103, 238, 0.08);
}

.toc-body li:last-child {
  border-bottom: none;
}

.toc-sub-number {
  display: inline-block;
  font-weight: 700;
  color: var(--secondary-color);
  min-width: 2.2em;
  font-size: 0.93rem;
}

.toc-body li strong {
  color: var(--primary-color);
}

@keyframes tocSlideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toc-expand-controls .button {
  margin: 0 0.25rem;
  font-size: 0.8rem;
  border: none !important;
  color: white !important;
  font-weight: 600;
  background: var(--text-primary) !important;
  box-shadow: var(--shadow-md);
}

.toc-expand-controls .button:hover,
.toc-expand-controls .button:active,
.toc-expand-controls .button:focus {
  background: var(--primary-color) !important;
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Print styles */
@media print {
  .more-works-container {
    display: none;
  }

  .hero,
  .section {
    animation: none;
  }

  .button {
    background: transparent !important;
    color: var(--text-primary) !important;
    box-shadow: none !important;
  }
}