/* ===== Purple Theme & Flat Design ===== */
:root {
  --purple-50: #faf5ff;
  --purple-100: #f3e8ff;
  --purple-200: #e9d5ff;
  --purple-300: #d8b4fe;
  --purple-400: #c084fc;
  --purple-500: #a855f7;
  --purple-600: #9333ea;
  --purple-700: #7c3aed;
  --purple-800: #6b21a8;
  --purple-900: #581c87;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --radius: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Navbar ===== */
.navbar {
  background: rgba(255, 255, 255, 0.85) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--purple-100);
  box-shadow: none !important;
}

.navbar-item {
  color: var(--gray-700) !important;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.navbar-item:hover {
  color: var(--purple-600) !important;
  background-color: var(--purple-50) !important;
}

.navbar-link {
  color: var(--gray-700) !important;
  font-weight: 500;
}

.navbar-link:hover {
  color: var(--purple-600) !important;
}

.navbar-dropdown {
  border: 1px solid var(--purple-100) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow-lg) !important;
  border-top: 2px solid var(--purple-500) !important;
}

/* ===== Hero Section ===== */
.hero-gradient {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    160deg,
    #ffffff 0%,
    var(--purple-50) 25%,
    var(--purple-100) 50%,
    var(--purple-200) 75%,
    var(--purple-300) 100%
  );
  min-height: auto;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-gradient::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(196, 181, 253, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-gradient .hero-body {
  padding-top: 4rem;
  padding-bottom: 3rem;
  position: relative;
  z-index: 1;
}

/* ===== Publication Title ===== */
.publication-title {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 2.5rem !important;
  line-height: 1.2;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.title-accent {
  background: linear-gradient(135deg, var(--purple-700), var(--purple-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Publication Authors ===== */
.publication-authors {
  font-family: 'Inter', sans-serif;
  color: var(--gray-600);
}

.publication-authors a {
  color: var(--purple-600) !important;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.publication-authors a:hover {
  color: var(--purple-800) !important;
  text-decoration: underline;
}

.author-block {
  display: inline-block;
}

/* ===== Publication Links / Badges ===== */
.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.link-block a {
  margin: 0;
  border: 2px solid var(--purple-200) !important;
  background-color: #ffffff !important;
  color: var(--purple-700) !important;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.25s ease;
  box-shadow: none !important;
}

.link-block a:hover {
  background-color: var(--purple-600) !important;
  border-color: var(--purple-600) !important;
  color: #ffffff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3) !important;
}

.link-block a .icon {
  color: inherit !important;
}

/* ===== Sections ===== */
.section {
  padding: 3.5rem 1.5rem;
}

.section-alt {
  background-color: var(--gray-50);
}

.section-title {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.01em;
  position: relative;
  display: block;
  text-align: center;
  padding-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--purple-400), var(--purple-600));
  border-radius: 2px;
}

/* ===== Video ===== */
.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--purple-100);
}

.publication-video video,
.publication-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Abstract ===== */
.abstract-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-600);
}

/* ===== Flat Cards ===== */
.flat-card {
  border: 1px solid var(--purple-100) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow-sm) !important;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.flat-card:hover {
  box-shadow: var(--shadow-md) !important;
}

.flat-card .card-image img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== Result Cards ===== */
.result-card {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--purple-100);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.result-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--purple-300);
}

.result-card img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.result-caption {
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 0.5rem;
  padding: 0 0.25rem;
  line-height: 1.5;
  text-align: center;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--gray-50) !important;
  border-top: 1px solid var(--purple-100);
  padding: 2rem 1.5rem !important;
}

.footer p {
  color: var(--gray-500);
  font-size: 0.875rem;
}

.footer a {
  color: var(--purple-600);
  transition: color 0.2s;
}

.footer a:hover {
  color: var(--purple-800);
}

.footer .icon-link {
  font-size: 25px;
  color: var(--purple-600);
}

/* ===== General Overrides ===== */
.title {
  color: var(--gray-900);
}

.content p {
  color: var(--gray-600);
}

.teaser .hero-body {
  padding-top: 0;
  padding-bottom: 3rem;
}

.publication-banner {
  max-height: parent;
}

.publication-banner video {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  object-fit: fit;
}

.publication-venue {
  color: var(--gray-500);
  width: fit-content;
  font-weight: bold;
}

.publication-awards {
  color: var(--purple-500);
  width: fit-content;
  font-weight: bolder;
}

.results-carousel {
  overflow: hidden;
}

.results-carousel .item {
  margin: 5px;
  overflow: hidden;
  border: 1px solid var(--purple-100);
  border-radius: var(--radius-sm);
  padding: 0;
  font-size: 0;
}

.results-carousel video {
  margin: 0;
}

.interpolation-panel {
  background: var(--gray-50);
  border-radius: var(--radius);
}

.interpolation-panel .interpolation-image {
  width: 100%;
  border-radius: var(--radius-sm);
}

.interpolation-panel .slider {
  margin: 0 !important;
}

#interpolation-image-wrapper {
  width: 100%;
}

#interpolation-image-wrapper img {
  border-radius: var(--radius-sm);
}

/* ===== Responsive ===== */
@media screen and (max-width: 768px) {
  .publication-title {
    font-size: 1.75rem !important;
  }

  .hero-gradient .hero-body {
    padding-top: 2.5rem;
    padding-bottom: 2rem;
  }

  .section {
    padding: 2.5rem 1rem;
  }

  .result-card img {
    height: 180px;
  }

  .publication-links {
    gap: 0.4rem;
  }

  .link-block a {
    font-size: 0.82rem;
  }
}

/* ===== Scrollbar Style ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-50);
}

::-webkit-scrollbar-thumb {
  background-color: var(--purple-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--purple-400);
}

/* ===== LaTeX-Style Tables ===== */
.latex-table {
  margin: 0.5rem auto 1.5rem;
  max-width: 100%;
  overflow-x: auto;
}

.latex-table .table {
  font-size: 0.88rem;
  border-collapse: collapse;
  margin: 0 auto;
}

.latex-table .table thead {
  background: var(--purple-50);
}

.latex-table .table thead th {
  color: var(--purple-800);
  font-weight: 700;
  border-bottom: 2px solid var(--purple-300);
  padding: 0.55rem 0.75rem;
  text-align: center;
  white-space: nowrap;
}

.latex-table .table tbody td {
  padding: 0.45rem 0.75rem;
  text-align: center;
  border-color: var(--gray-200);
  vertical-align: middle;
}

.latex-table .table tbody td:first-child {
  text-align: left;
}

.latex-table .table tbody tr:last-child td {
  border-bottom: 2px solid var(--purple-300);
}

.table-caption {
  font-size: 0.92rem;
  color: var(--purple-700);
  text-align: center;
  margin-bottom: 0.7rem;
  font-weight: 500;
}

.highlight-row {
  background: rgba(124, 58, 237, 0.06) !important;
}

.highlight-row td {
  font-weight: 600;
}

.best-row td {
}

.top1 {
  font-weight: 700;
  color: var(--purple-700);
}

.top2 {
  font-weight: 700;
  color: var(--purple-400);
}

.table-divider td {
  border-bottom: 2px solid var(--purple-200) !important;
  height: 0;
  padding: 0 !important;
  line-height: 0;
}

/* ===== BibTeX Block ===== */
.bibtex-block {
  background: var(--gray-50);
  border: 1px solid var(--purple-200);
  border-left: 4px solid var(--purple-500);
  border-radius: 8px;
  padding: 1.2rem 1.5rem;
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--gray-700);
}

.bibtex-block code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

/* ===== Figure Captions ===== */
.fig-caption {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-top: 0.75rem;
  line-height: 1.5;
  padding: 0 1rem;
}

/* ===== Result Cards ===== */
.result-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  border: 1px solid var(--gray-200);
  transition: transform 0.2s, box-shadow 0.2s;
}

.result-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.12);
}

.result-card img {
  width: 100%;
  display: block;
}

.result-caption {
  font-size: 0.78rem;
  color: var(--gray-600);
  text-align: center;
  padding: 0.4rem 0.5rem;
  line-height: 1.4;
}

/* ===== Responsive Table ===== */
@media screen and (max-width: 768px) {
  .latex-table .table {
    font-size: 0.78rem;
  }

  .latex-table .table thead th,
  .latex-table .table tbody td {
    padding: 0.35rem 0.5rem;
  }
}