/**
 * AI Daily News - MetaBlog Style
 * 深色主题、卡片式资讯站点
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root {
  /* 深色主题配色 */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-card-hover: #252f47;
  --bg-footer: #0b1120;
  
  /* 文字颜色 */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* 强调色 */
  --accent-purple: #8b5cf6;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  
  /* 分类标签色 */
  --tag-ai: #8b5cf6;
  --tag-ecommerce: #3b82f6;
  --tag-startup: #ec4899;
  --tag-web3: #f59e0b;
  --tag-biotech: #10b981;
  --tag-newenergy: #06b6d4;
  
  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  
  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ===== Header / Navigation ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link.active {
  color: var(--accent-purple);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-purple);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-box {
  position: relative;
}

.search-input {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  width: 200px;
  transition: var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-purple);
  width: 260px;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

/* ===== Hero Section ===== */
.hero {
  padding: var(--space-3xl) 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-card {
  position: relative;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
}

.hero-image {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e1b4b 100%);
  overflow: hidden;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.3) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl);
  max-width: 600px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-purple);
  color: white;
  padding: 0.4rem 0.875rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.hero-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.author-avatar {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

/* ===== Main Content ===== */
.main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem var(--space-3xl);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ===== Section Header ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-icon {
  font-size: 1.25rem;
}

.view-all {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.view-all:hover {
  color: var(--accent-purple);
}

/* ===== Category Filter ===== */
.category-filter {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
  width: 1088px;
}

.filter-btn {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 0.6rem 1.25rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: white;
}

/* ===== News Grid ===== */
.news-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: var(--space-xl);
  max-width: 1088px;
  width: 100%;
  margin: 0 auto;
}

.news-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  width: 340px;
  flex-shrink: 0;
}

/* iPad 适配 (768px - 1024px) */
@media (max-width: 1024px) {
  .news-grid {
    max-width: 720px;
    gap: var(--space-lg);
  }
  
  .news-card-link {
    width: 340px;
  }
  
  .category-section {
    max-width: 720px;
    width: 100%;
    margin: 0 auto var(--space-3xl) auto;
  }
  
  .category-filter {
    max-width: 720px;
    width: 100%;
  }
  
  .main {
    padding: 0 1.5rem var(--space-2xl);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  .nav-link {
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
  }
}

/* 手机适配 (< 768px) */
@media (max-width: 768px) {
  .news-grid {
    width: 100%;
    justify-content: center;
    gap: var(--space-md);
  }
  
  .news-card-link {
    width: 100%;
    max-width: 380px;
  }
  
  .category-section {
    width: 100%;
    max-width: 100%;
    padding: 0 1rem;
    box-sizing: border-box;
    margin: 0 auto var(--space-2xl) auto;
  }
  
  .category-filter {
    width: 100%;
  }
  
  .main {
    padding: 0 1rem var(--space-xl);
  }
  
  .hero {
    padding: var(--space-xl) 1rem;
  }
  
  .hero-card {
    min-height: 300px;
  }
  
  .hero-content {
    padding: var(--space-lg);
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .hero-meta {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .nav-container {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .nav-link {
    font-size: 0.8rem;
    padding: 0.35rem 0.6rem;
  }
  
  .search-box {
    display: none;
  }
  
  .category-filter {
    gap: var(--space-xs);
  }
  
  .filter-btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8rem;
  }
  
  .category-title {
    font-size: 1.25rem;
  }
  
  .stats-bar {
    gap: var(--space-xl);
  }
  
  .stat-value {
    font-size: 1.75rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* 小屏手机 (< 480px) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.25rem;
  }
  
  .category-header {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .category-count {
    margin-left: 0;
  }
  
  .news-content {
    padding: var(--space-md);
  }
  
  .news-title {
    font-size: 1rem;
  }
}

/* ===== News Card ===== */
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.05);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg);
  border-color: rgba(139, 92, 246, 0.2);
}

.news-image {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, var(--bg-secondary), #2d3748);
  overflow: hidden;
  flex-shrink: 0;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(15, 23, 42, 0.8) 100%);
  z-index: 1;
  pointer-events: none;
}

.news-category-tag {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--accent-purple);
  color: white;
  padding: 0.35rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.news-category-tag.ai { background: var(--tag-ai); }
.news-category-tag.ecommerce { background: var(--tag-ecommerce); }
.news-category-tag.startup { background: var(--tag-startup); }
.news-category-tag.web3 { background: var(--tag-web3); }
.news-category-tag.biotech { background: var(--tag-biotech); }
.news-category-tag.newenergy { background: var(--tag-newenergy); }

.news-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.news-title a:hover {
  color: var(--accent-purple);
}

.news-summary {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.news-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Category Section ===== */
.category-section {
  max-width: 1088px;
  width: 100%;
  margin: 0 auto var(--space-3xl) auto;
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid;
  border-image: linear-gradient(90deg, var(--accent-purple), transparent) 1;
}

.category-title {
  font-size: 1.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.category-icon {
  font-size: 1.5rem;
}

.category-count {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.35rem 0.875rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: auto;
}

/* ===== Stats Section ===== */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  padding: var(--space-xl) 0;
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  width: 100%;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--space-3xl) 2rem var(--space-xl);
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.footer-contact {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-contact a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

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

.newsletter {
  background: var(--bg-secondary);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

.newsletter-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.newsletter-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
}

.newsletter-input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent-purple);
}

.newsletter-btn {
  background: var(--accent-purple);
  color: white;
  border: none;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.newsletter-btn:hover {
  background: #7c3aed;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--text-secondary);
}

/* ===== Archive Page ===== */
.archive-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.archive-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.archive-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(139, 92, 246, 0.2);
}

.archive-date {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.archive-link {
  color: var(--accent-purple);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.card-hidden {
  opacity: 0;
  transform: translateY(20px);
}

.card-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

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

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ===== Selection ===== */
::selection {
  background: var(--accent-purple);
  color: white;
}

/* ===== Content Tooltip ===== */
.content-tooltip {
  position: fixed;
  z-index: 9999;
  max-width: 700px;
  max-height: 500px;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-lg);
  color: var(--text-primary);
  font-size: 0.9rem;
  line-height: 1.8;
  pointer-events: auto;
  animation: tooltipFadeIn 0.2s ease;
  overflow: hidden;
}

.tooltip-content {
  max-height: 420px;
  overflow-y: auto;
  overflow-x: hidden;
  white-space: pre-wrap;
  word-wrap: break-word;
  padding-right: var(--space-sm);
}

.tooltip-content::-webkit-scrollbar {
  width: 6px;
}

.tooltip-content::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-radius: 3px;
}

.tooltip-content::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}

.tooltip-content::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

.tooltip-arrow {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--bg-secondary);
}

@keyframes tooltipFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Daily Summary Button ===== */
.summary-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.summary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.summary-btn:active {
  transform: translateY(0);
}

/* ===== Summary Modal ===== */
.summary-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.3s ease;
}

.summary-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.summary-content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease;
}

.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.summary-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.summary-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.summary-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.summary-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg) var(--space-xl);
}

.summary-overall {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.summary-overall-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.summary-overall-text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.summary-date {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.summary-category {
  margin-bottom: var(--space-xl);
}

.summary-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid rgba(139, 92, 246, 0.3);
}

.summary-category-icon {
  font-size: 1.2rem;
}

.summary-category-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.summary-category-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-purple);
}

.summary-key-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.summary-key-point {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: var(--space-sm);
}

.summary-news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.summary-news-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all 0.2s ease;
}

.summary-news-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(139, 92, 246, 0.3);
}

.summary-news-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.summary-news-summary {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.summary-news-insights {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.summary-news-insight {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.summary-footer {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  justify-content: flex-end;
}

.summary-copy-btn,
.summary-close-btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.summary-copy-btn {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: white;
}

.summary-copy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.summary-close-btn {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.summary-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.summary-body::-webkit-scrollbar {
  width: 8px;
}

.summary-body::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-radius: 4px;
}

.summary-body::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}

.summary-body::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}