/* Modern CSS Variables for consistent theming */
:root {
  /* 核心色调：清爽明亮的蓝色 */
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #0ea5e9;

  /* 背景色调 */
  --background-primary: #ffffff;
  --background-secondary: #f8fafc;
  --background-accent: #f1f5f9;

  /* 渐变 */
  --gradient-hero: linear-gradient(to bottom, #ffffff 0%, #f8fafc 100%);
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);

  /* 文字颜色 */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-light: #94a3b8;

  /* 边框和阴影 */
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.2s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

/* Global Styles */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 18px;
  background-color: #ffffff;
  /* 非常淡的网格背景，增加微妙的层次感 */
  background-image: 
    linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: -1px -1px;
  -webkit-font-smoothing: antialiased;
}

.container.is-max-desktop {
  position: relative;
  z-index: 1;
}

/* 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: #0f172a !important;
  border: none !important;
  color: white !important;
  box-shadow: var(--shadow-sm);
}

.button.is-dark:hover {
  background: #334155 !important;
  box-shadow: var(--shadow-md);
}

.button.is-rounded {
  border: 1px solid rgba(0,0,0,0.05) !important;
}

.button.is-rounded:hover {
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------
   Hero Section (Top Area) - Fixes applied here
   -------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
}

.hero:first-child {
  background: var(--gradient-hero);
  border-bottom: 1px solid var(--border-color);
}

/* 标题 */
.hero:first-child .publication-title {
  color: #0f172a !important;
  font-weight: 800 !important;
  letter-spacing: -0.02em;
}

/* 作者链接 */
.hero:first-child .publication-authors a {
  color: #2563eb !important;
  position: relative;
  text-decoration: none;
}

.hero:first-child .publication-authors a:hover {
  color: #1d4ed8 !important;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  background: none;
}

/* --- 修复 Equal Contribution 和辅助文字看不见的问题 --- */
.hero:first-child .author-block,
.hero:first-child .eql-cntrb, 
.hero:first-child small {
  color: #64748b !important; /* 强制设为深灰色 */
}

/* 顶部按钮 */
.hero:first-child .button.is-dark {
  background: #0f172a !important;
  color: #ffffff !important;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.hero:first-child .button.is-dark:hover {
  background: #334155 !important;
}

/* --------------------------------------------------
   BibTeX - Light Theme Update
   -------------------------------------------------- */
#BibTeX pre {
  background: #f8fafc !important; /* 浅灰背景，不再是深黑 */
  color: #475569 !important;      /* 深灰文字，易读 */
  font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
  font-size: 0.9rem !important;
  line-height: 1.6;
  border: 1px solid #e2e8f0 !important; /* 浅色边框 */
  border-radius: 12px !important;
  padding: 3.5rem 1.5rem 1.5rem 1.5rem !important;
  box-shadow: var(--shadow-sm); /* 轻微阴影 */
  position: relative;
  overflow: hidden;
}

/* 窗口控制点（保留，增加设计感） */
#BibTeX pre::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #cbd5e1; /* 改为灰色系，更低调，或者保留红黄绿 */
  box-shadow: 
    20px 0 0 #e2e8f0, 
    40px 0 0 #e2e8f0; 
  /* 如果喜欢彩色点，可以取消上面一行，用下面这行： */
  /* background: #ff5f56; box-shadow: 20px 0 0 #ffbd2e, 40px 0 0 #27c93f; */
}

/* --------------------------------------------------
   Standard Components
   -------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
  box-shadow: none;
}

.badge:hover {
  background: #e2e8f0;
}

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

.teaser {
  font-family: 'Inter', sans-serif;
}

/* Abstract Card */
.hero.is-light {
  background: transparent !important;
  padding: 1rem 0 !important;
  border: none;
}

.hero.is-light .container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  border-radius: var(--border-radius);
  padding: 2.0rem !important;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.publication-title {
  font-family: 'Inter', sans-serif !important;
  font-weight: 800 !important;
  letter-spacing: -0.02em !important;
  margin-bottom: 1.5rem !important;
  line-height: 1.1 !important;
  color: var(--text-primary);
}

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

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

.publication-authors a {
  color: var(--primary-color) !important;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  position: relative;
  padding: 0 4px;
  margin: 0 -2px;
  border-radius: 4px;
}

.publication-authors a:hover {
  color: var(--primary-hover) !important;
  background-color: #f1f5f9;
}

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

/* Video and Images */
.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-lg);
  transition: var(--transition);
  background: #f8fafc; /* 视频未加载时的背景色 */
}

.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);
}

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

.results-carousel .item {
  margin: 1rem;
  overflow: hidden;
  padding: 1.5rem;
  font-size: 0;
  background: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  position: relative;
}

.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;
}

/* --------------------------------------------------
   Carousel Pagination Dots - Improved Visibility
   -------------------------------------------------- */
.slider-pagination {
  position: relative !important;
  bottom: 0 !important;
  padding: 0.8rem 1rem !important;
  margin-top: 0.5rem !important;
  background: transparent !important;
  display: flex !important;
  justify-content: center !important;
}

.slider-pagination .slider-page {
  background: var(--primary-color) !important;
  width: 12px !important;
  height: 12px !important;
  opacity: 0.6 !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
  margin: 0 3px !important;
}

/* Ensure navigation arrows are visible */
.slider-navigation-next,
.slider-navigation-previous {
  display: flex !important;
  opacity: 1 !important;
  visibility: visible !important;
  z-index: 10 !important;
  top: 45% !important;
  transform: translateY(-50%) !important;
}

.slider-navigation-next {
  right: 10px !important;
  background: rgba(255, 255, 255, 0.9) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

.slider-navigation-previous {
  left: 10px !important;
  background: rgba(255, 255, 255, 0.9) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

/* Fix arrow visibility on hover */
.slider-navigation-next:hover,
.slider-navigation-previous:hover {
  opacity: 1 !important;
  background: rgba(255, 255, 255, 0.95) !important;
}

.slider-pagination .slider-page:hover {
  opacity: 0.8 !important;
  transform: scale(1.3) !important;
}

.slider-pagination .slider-page.is-active {
  opacity: 1 !important;
  background: var(--primary-hover) !important;
  transform: scale(1.4) !important;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3) !important;
}

/* Ensure carousels don't overlap */
.carousel {
  position: relative !important;
  margin-bottom: 2rem !important;
  clear: both !important;
}

.results-carousel {
  position: relative !important;
  z-index: 1 !important;
}

/* Fix carousel container positioning */
.slider {
  position: relative !important;
  z-index: 1 !important;
}

.slider-container {
  position: relative !important;
  z-index: 1 !important;
}

/* Section Titles */
.title.is-3 {
  font-family: 'Inter', sans-serif !important;
  font-weight: 700 !important;
  margin-bottom: 0.5rem !important;
  position: relative;
  padding-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2rem;
}

.title.is-3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  opacity: 0.6;
}

/* Content Typography */
.content.has-text-justified {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.content.has-text-justified p {
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid var(--border-color);
  transition: all 0.3s;
}

.content.has-text-justified p:hover {
  border-left-color: var(--primary-color);
  background: linear-gradient(90deg, #f1f5f9 0%, transparent 100%);
  padding-left: 2rem;
}

/* Footer */
.footer {
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0.5;
}

.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 Header */
.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: 0.5rem 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);
}

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

.more-works-btn {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  border: 1px 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-sm);
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Inter', sans-serif;
}

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

.more-works-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 400px;
  max-width: 90vw;
  background: #ffffff;
  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: #f1f5f9;
  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: #f1f5f9;
  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;
}

/* Utility Classes */
.eql-cntrb {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-style: italic;
  font-weight: 500;
}

.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;
}

/* --------------------------------------------------
   Unified Section and Media Styles
   -------------------------------------------------- */
.author-note {
  color: var(--text-secondary) !important;
  margin-top: 0.5rem;
  display: block;
  font-size: 0.95rem;
}

.status-badge {
  margin-left: 0.5rem;
  font-size: 0.82rem;
}

.unified-section {
  background: transparent !important;
  padding: 1rem 0 !important;
}

.unified-section .hero-body {
  padding: 0 !important;
}

.unified-section .container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.performance-card {
  border: 1px solid var(--border-color) !important;
  border-radius: var(--border-radius) !important;
  box-shadow: none !important;
  background: var(--background-secondary) !important;
  max-width: 640px;
  margin: 1.5rem auto 0;
}

.media-frame {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 450px;
  padding: 1.5rem;
  background: var(--background-secondary);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.media-image {
  width: 100%;
  max-width: 100%;
  max-height: 500px;
  height: auto;
  object-fit: contain;
}

.media-image--sm {
  max-width: 450px;
}

.media-image--compact {
  max-width: 60%;
}

.method-media-frame {
  min-height: 520px;
  height: 520px;
}

.method-media-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.media-video {
  width: 100%;
  max-width: 500px;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  border-radius: var(--border-radius);
}

.results-carousel video.media-video {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  display: block;
}

.media-subtitle {
  margin-top: 1rem !important;
}

.media-caption {
  margin-top: 1rem;
  color: var(--text-secondary) !important;
}

.prompt-text {
  text-align: center;
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0.5rem 0 1.25rem;
}

.prompt-text b {
  color: var(--text-primary);
  font-weight: 700;
}

.comparison-grid {
  margin-bottom: 0.5rem;
}

.comparison-column {
  display: flex;
}

.comparison-card {
  width: 100%;
  background: var(--background-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem;
}

.comparison-card p {
  margin-bottom: 0.6rem;
  font-weight: 600;
  color: var(--text-primary);
}

.comparison-card strong {
  color: var(--primary-color);
}

.comparison-video {
  width: 100%;
  border-radius: calc(var(--border-radius) - 2px);
  display: block;
}

.section-divider {
  margin: 1.5rem auto;
  border: none;
  border-top: 1px solid var(--border-color);
  max-width: 820px;
}

@media screen and (max-width: 768px) {
  .unified-section .container {
    padding: 1.25rem;
  }

  .media-frame {
    min-height: 320px;
    padding: 0.75rem;
  }

  .method-media-frame {
    min-height: 320px;
    height: 320px;
  }

  .media-image--compact {
    max-width: 100%;
  }
}

@media screen and (max-width: 768px) {
  .hero-body { padding: 2rem 1rem; }
  .publication-title { font-size: 2rem !important; }
  .more-works-container { top: auto; bottom: 2rem; right: 1rem; }
  .more-works-dropdown { bottom: calc(100% + 0.5rem); top: auto; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-light: #94a3b8;
    --background-primary: #0f172a;
    --background-secondary: #1e293b;
    --background-accent: #334155;
    --border-color: #334155;
    
    --gradient-hero: linear-gradient(to bottom, #0f172a 0%, #1e293b 100%);
    --gradient-card: #1e293b;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
  }
  
  .hero.is-light .container,
  .unified-section .container {
    background: rgba(30, 41, 59, 0.7);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .media-frame,
  .comparison-card,
  .performance-card {
    background: rgba(15, 23, 42, 0.6) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
  }

  .section-divider {
    border-top-color: rgba(255, 255, 255, 0.12);
  }
  
  .more-works-btn, .more-works-dropdown {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(255,255,255,0.1);
  }
  
  .work-item:hover {
    background: #334155;
  }
  
  #BibTeX pre {
    background: #1e293b !important;
    color: #e2e8f0 !important;
    border-color: #334155 !important;
  }
}