/*
 * GitHub Trending Website - Dark Tech Theme
 * 暗黑科技风格
 */

/* CSS Variables */
:root {
  /* 深色背景 */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: #1c2128;

  /* 霓虹强调色 */
  --accent-cyan: #00f0ff;
  --accent-purple: #a855f7;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-orange: #f97316;

  /* 文字 */
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-tertiary: #6e7681;

  /* 边框 */
  --border-color: #30363d;
  --border-glow: rgba(0, 240, 255, 0.3);

  /* 阴影与发光 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.15);
  --shadow-purple: 0 0 20px rgba(168, 85, 247, 0.15);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 动画 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse at top left, rgba(0, 240, 255, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(168, 85, 247, 0.03) 0%, transparent 50%);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(22, 27, 34, 0.8);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.logo-text {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 10px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.nav-link:hover {
  color: var(--text-primary);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

.nav-link.active {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
}

/* Main Content */
.main {
  flex: 1;
  padding: 32px 0;
}

/* Date Selector */
.date-selector {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.date-selector::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-cyan));
  background-size: 200% 100%;
  animation: gradient-flow 3s linear infinite;
}

@keyframes gradient-flow {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}

.date-picker {
  display: flex;
  align-items: center;
  gap: 16px;
}

.date-picker label {
  font-weight: 500;
  color: var(--text-secondary);
}

.date-picker select {
  padding: 12px 20px;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.date-picker select:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
}

.date-picker select:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2), var(--shadow-glow);
}

.date-nav {
  display: flex;
  gap: 12px;
}

.nav-btn {
  padding: 12px 24px;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.nav-btn:hover:not(:disabled) {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  box-shadow: var(--shadow-purple);
  background: rgba(168, 85, 247, 0.1);
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Overview Stats */
.overview {
  margin-bottom: 40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--accent-cyan), var(--accent-purple) 60%, transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-family: 'SF Mono', Monaco, Consolas, monospace;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Projects Section */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 28px;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 2px;
  box-shadow: 0 0 10px var(--accent-cyan);
}

.projects-grid {
  display: grid;
  gap: 24px;
}

/* Project Card */
.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), var(--shadow-glow);
  transform: translateY(-2px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card:nth-child(5n+1)::before {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
}

.project-card:nth-child(5n+2)::before {
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
}

.project-card:nth-child(5n+3)::before {
  background: linear-gradient(90deg, var(--accent-orange), var(--accent-purple));
}

.project-card:nth-child(5n+4)::before {
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
}

.project-card:nth-child(5n)::before {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.rank {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 240, 255, 0.2);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
}

.project-meta {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.language {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.language-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}

.stars {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
}

.stars-today {
  font-size: 0.85rem;
  color: var(--accent-green);
  background: rgba(34, 197, 94, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(34, 197, 94, 0.2);
  font-weight: 600;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
}

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

.project-title a:hover {
  color: var(--accent-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.project-description {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.7;
  padding-left: 16px;
  border-left: 3px solid var(--border-color);
}

/* Analysis Section */
.analysis-section {
  background: transparent;
  padding: 0;
  margin: 20px 0;
  border: none;
  position: relative;
}

.analysis-header {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
}

.analysis-badge {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  letter-spacing: 1px;
}

.analysis-block {
  padding: 0;
  background: transparent;
  margin-bottom: 24px;
  border: none;
}

.analysis-block:last-child {
  margin-bottom: 0;
}

.analysis-block:hover {
  background: transparent;
  border-color: transparent;
}

.analysis-block-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 8px;
}

.analysis-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.analysis-block-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.analysis-block-subtitle {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-style: italic;
}

.analysis-block-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-left: 0;
  border-left: none;
}

.analysis-detail-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.analysis-detail-list li {
  position: relative;
  padding: 4px 0 4px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  line-height: 1.6;
}

.analysis-detail-list li:hover {
  background: transparent;
  border-color: transparent;
  color: var(--text-primary);
}

.analysis-detail-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
  font-size: 1.2rem;
  line-height: 1.2;
}

/* Project Footer */
.project-footer {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.view-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: var(--bg-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.view-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 240, 255, 0.3);
  color: var(--bg-primary);
  text-decoration: none;
}

.view-btn::after {
  content: '→';
  transition: transform 0.2s;
}

.view-btn:hover::after {
  transform: translateX(4px);
}

/* No Data State */
.no-data {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.no-data-content {
  text-align: center;
  padding: 48px 64px;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.no-data-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(168, 85, 247, 0.1) 50%, transparent 60%);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.no-data-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.5));
}

.no-data h2 {
  font-size: 1.6rem;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.no-data p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.no-data-commands {
  background: var(--bg-primary);
  padding: 20px 28px;
  border-radius: var(--radius-md);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  line-height: 2;
  border: 1px solid var(--border-color);
  display: inline-block;
}

.no-data-commands code {
  color: var(--accent-purple);
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 28px 0;
  margin-top: auto;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), var(--accent-purple), transparent);
}

.footer p {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

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

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

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

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

/* Selection */
::selection {
  background: rgba(0, 240, 255, 0.3);
  color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 16px;
  }

  .date-selector {
    flex-direction: column;
    gap: 20px;
  }

  .date-nav {
    width: 100%;
    justify-content: space-between;
  }

  .project-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }

  .project-meta {
    width: auto;
    justify-content: flex-end;
    gap: 12px;
    font-size: 0.85rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-card:nth-child(3) {
    display: none;
  }

  .stat-card {
    padding: 16px 8px;
  }

  .stat-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
  }

  .stat-value {
    font-size: 1.1rem;
    margin-bottom: 4px;
  }

  .stat-label {
    font-size: 0.7rem;
    letter-spacing: 0;
  }

  .no-data-content {
    padding: 32px;
    margin: 0 16px;
  }
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: var(--shadow-glow);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
  }
}

.project-card {
  animation: fadeIn 0.5s ease forwards;
}

.project-card:nth-child(1) { animation-delay: 0.05s; }
.project-card:nth-child(2) { animation-delay: 0.1s; }
.project-card:nth-child(3) { animation-delay: 0.15s; }
.project-card:nth-child(4) { animation-delay: 0.2s; }
.project-card:nth-child(5) { animation-delay: 0.25s; }
.project-card:nth-child(6) { animation-delay: 0.3s; }

.stat-card:hover {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* Markdown Container */
.markdown-body {
  background: transparent;
  padding: 0;
  margin-top: 16px;
  border: none;
}

/* ========================================
   Markdown Content Styles - Clean & Readable
   ======================================== */
.markdown-content {
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 15px;
}

/* Headings */
.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4 {
  margin-top: 24px;
  margin-bottom: 12px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.markdown-content h1 {
  font-size: 1.6em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--border-color);
}

.markdown-content h2 {
  font-size: 1.3em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.markdown-content h3 {
  font-size: 1.1em;
  color: var(--text-primary);
}

.markdown-content h4 {
  font-size: 1em;
  color: var(--text-secondary);
}

/* Paragraphs */
.markdown-content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

/* Lists */
.markdown-content ul,
.markdown-content ol {
  padding-left: 1.5em;
  margin-bottom: 16px;
}

.markdown-content li {
  margin-bottom: 8px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.markdown-content ul li {
  list-style-type: disc;
}

.markdown-content ol li {
  list-style-type: decimal;
}

/* Blockquotes */
.markdown-content blockquote {
  padding: 8px 16px;
  margin: 16px 0;
  background: transparent;
  border-left: 2px solid var(--border-color);
  color: var(--text-secondary);
  font-style: italic;
}

/* Inline Code */
.markdown-content code {
  padding: 0.2em 0.4em;
  font-size: 0.85em;
  font-family: 'SF Mono', Consolas, monospace;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  color: var(--text-primary);
}

/* Code Blocks */
.markdown-content pre {
  margin: 16px 0;
  padding: 12px;
  background-color: var(--bg-primary);
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.markdown-content pre code {
  display: block;
  padding: 0;
  margin: 0;
  background: transparent;
  border: none;
  color: #e6edf3;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.85em;
  line-height: 1.6;
}

/* Strong/Bold */
.markdown-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Links */
.markdown-content a {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--text-tertiary);
  transition: border-color 0.2s;
}

.markdown-content a:hover {
  border-bottom-color: var(--accent-purple);
}

/* Horizontal Rule */
.markdown-content hr {
  margin: 24px 0;
  border: none;
  height: 1px;
  background-color: var(--border-color);
}

/* Table */
.markdown-content table {
  width: 100%;
  margin: 16px 0;
  border-collapse: collapse;
}

.markdown-content th,
.markdown-content td {
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  text-align: left;
}

.markdown-content th {
  background: rgba(255, 255, 255, 0.05);
  font-weight: 600;
}

/* Floating Navigation */
.floating-nav {
  position: fixed;
  right: 20px;
  bottom: 30px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(23, 23, 23, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.float-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.float-btn:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.5);
  color: white;
  box-shadow: 0 12px 40px rgba(0, 240, 255, 0.2);
}

.float-btn:hover::before {
  opacity: 1;
}

.float-btn svg {
  transition: transform 0.3s ease;
}

.float-btn:active {
  transform: translateY(-2px) scale(0.95);
}

.back-to-top:hover svg {
  transform: translateY(-2px);
}

.scroll-next:hover svg {
  transform: translateY(2px);
}

@media (max-width: 768px) {
  .floating-nav {
    right: 16px;
    bottom: 24px;
    gap: 10px;
  }
  
  .float-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(23, 23, 23, 0.9); /* 移动端背景稍微深一点 */
  }
}

/* Mobile Adaptation */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .header-content {
    flex-direction: column;
    gap: 16px;
  }

  .logo {
    font-size: 1.3rem;
  }

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

  .nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    flex: 1;
    text-align: center;
  }

  .date-selector {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
  }

  .date-picker {
    width: 100%;
    justify-content: space-between;
  }

  .date-nav {
    width: 100%;
    display: flex;
    gap: 8px;
  }

  .nav-btn {
    flex: 1;
    text-align: center;
  }

  .analysis-section {
    padding: 16px;
    margin: 16px 0;
  }

  .analysis-header {
    display: none;
  }

  .analysis-block {
    padding: 16px;
  }
}

/* Trending List Section */
.trending-list-section {
  margin-bottom: 40px;
  animation: fadeIn 0.5s ease forwards;
}

.trending-table-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.trending-table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}

.trending-table th {
  text-align: left;
  padding: 16px 24px;
  color: var(--text-tertiary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.2);
}

.trending-table td {
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
}

.trending-table tr:last-child td {
  border-bottom: none;
}

.trending-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.trending-table tr:hover td {
  color: var(--text-primary);
}

/* Rank Badges */
.rank-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  font-weight: 700;
  font-size: 0.9rem;
}

.rank-1 {
  background: rgba(255, 215, 0, 0.15);
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, 0.3);
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.1);
}

.rank-2 {
  background: rgba(192, 192, 192, 0.15);
  color: #e0e0e0;
  border: 1px solid rgba(192, 192, 192, 0.3);
}

.rank-3 {
  background: rgba(205, 127, 50, 0.15);
  color: #ffb366;
  border: 1px solid rgba(205, 127, 50, 0.3);
}

.rank-other {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Project Name Cell */
.project-name-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
}

.recurring-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffb366;
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.22);
  width: fit-content;
}

.project-title .recurring-badge {
  margin-left: 10px;
  vertical-align: middle;
}

.recurring-meta {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffb366;
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.16);
}

.project-desc-short {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trending-table tr:hover .project-name {
  color: var(--accent-cyan);
}

/* Stars Cell */
.stars-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stars-total {
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  font-size: 0.9rem;
}

.stars-added {
  font-size: 0.8rem;
  color: var(--accent-green);
  font-weight: 500;
}

/* Action Button */
.action-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.trending-table tr:hover .action-btn {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
}

/* Highlight Animation */
.highlight-project {
  animation: highlight-pulse 2s ease-out;
}

@keyframes highlight-pulse {
  0% {
    box-shadow: 0 0 0 2px var(--accent-cyan), 0 0 20px rgba(0, 240, 255, 0.4);
    transform: scale(1.02);
    z-index: 10;
  }
  50% {
    box-shadow: 0 0 0 4px rgba(0, 240, 255, 0), 0 0 10px rgba(0, 240, 255, 0.2);
    transform: scale(1);
  }
  100% {
    box-shadow: none;
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  .trending-table th,
  .trending-table td {
    padding: 12px 16px;
  }

  .project-desc-short {
    display: none;
  }
  
  .trending-table th:nth-child(3),
  .trending-table td:nth-child(3) {
    display: none;
  }

  .project-name {
    font-size: 0.95rem;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .action-btn {
    display: none;
  }
}

@media (max-width: 480px) {
  .trending-table th,
  .trending-table td {
    padding: 10px 12px;
  }

  .project-name {
    max-width: 120px;
  }

  .rank-badge {
    padding: 2px 6px;
    font-size: 0.8rem;
  }
}

/* Project Preview Image */
.project-preview-image {
  margin-top: 16px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.project-preview-image.readme-preview {
  margin-top: 24px;
  border: none;
  background: transparent;
}

.project-preview-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-preview-image:hover img {
  transform: scale(1.02);
}

/* Readme Badge */
.readme-badge {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}