/* FrankBase News (news.frankbase.com) - High-Signal Editorial & Cyber Theme */
/* Strict Rule 32 Compliance: Zero Em-Dashes */

:root {
  --bg-primary: #0a0e17;
  --bg-surface: #111827;
  --bg-card: #1a2234;
  --bg-elevated: #242f48;
  --border-color: #2b3854;
  --border-subtle: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #00e5ff;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --capsule-bg: rgba(0, 229, 255, 0.05);
  --capsule-border: #00e5ff;
  --ad-bg: #131d2e;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans Devanagari", sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-content-width: 1280px;
  --reader-width: 800px;
  --sidebar-width: 360px;
  --header-height: 70px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --transition: all 0.2s ease;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #f1f5f9;
  --bg-elevated: #e2e8f0;
  --border-color: #cbd5e1;
  --border-subtle: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent-cyan: #0284c7;
  --accent-blue: #2563eb;
  --capsule-bg: rgba(2, 132, 199, 0.06);
  --capsule-border: #0284c7;
  --ad-bg: #f1f5f9;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-cyan);
}

/* 1. Breaking News Ticker */
.ticker-bar {
  background: #06090e;
  border-bottom: 1px solid var(--border-subtle);
  padding: 6px 16px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

.ticker-badge {
  background: var(--accent-red);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  flex-shrink: 0;
}

.ticker-content {
  display: flex;
  gap: 24px;
  white-space: nowrap;
  animation: tickerSlide 25s linear infinite;
}

.ticker-item {
  color: var(--text-secondary);
}

.ticker-item:hover {
  color: var(--accent-cyan);
}

@keyframes tickerSlide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 2. Global Header */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
  font-weight: 900;
  font-size: 1.1rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
  display: block;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-item a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.nav-item a.active,
.nav-item a:hover {
  color: var(--accent-cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* 3. Top Leaderboard Ad Container */
.ad-slot-leaderboard {
  max-width: var(--max-content-width);
  margin: 16px auto;
  padding: 0 20px;
}

.ad-box {
  background: var(--ad-bg);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.ad-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.ad-placeholder-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* 4. Main Page Container */
.main-wrapper {
  max-width: var(--max-content-width);
  margin: 24px auto 60px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 36px;
  align-items: start;
}

/* 5. Featured Hero News Card */
.featured-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  transition: var(--transition);
}

.featured-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 229, 255, 0.08);
}

.featured-thumb {
  width: 100%;
  height: 380px;
  object-fit: cover;
  background: #1e293b;
  display: block;
}

.featured-body {
  padding: 28px;
}

.category-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(0, 229, 255, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.featured-title {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
}

.featured-snippet {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 18px;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 6. Latest News Feed Grid */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.section-title {
  font-size: 1.35rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.news-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.news-thumb {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: #1e293b;
}

.news-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 8px 0 10px;
}

.news-card-snippet {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
  flex-grow: 1;
}

/* 7. Dynamic Sidebar (Trending + Ads + Categories) */
.sidebar-sticky {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.widget-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.trending-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.trending-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.trending-num {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  line-height: 1;
  width: 24px;
}

.trending-item-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
}

.trending-item-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.ad-slot-sidebar {
  min-height: 300px;
}

/* 8. 800px Article Reader Layout */
.article-reader-container {
  max-width: var(--reader-width);
  margin: 0 auto;
}

.article-header {
  margin-bottom: 28px;
}

.article-headline {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.3;
  margin: 12px 0 16px;
}

/* Byline and Reviewers */
.article-byline-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

.byline-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.byline-label {
  color: var(--text-muted);
  font-weight: 600;
}

.byline-author {
  font-weight: 700;
  color: var(--accent-cyan);
}

/* Executive Answer Capsule */
.executive-capsule {
  background: var(--capsule-bg);
  border: 1px solid var(--capsule-border);
  border-left: 5px solid var(--capsule-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 28px 0 36px;
}

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

.capsule-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.capsule-read-time {
  font-size: 0.75rem;
  background: rgba(0, 229, 255, 0.15);
  color: var(--text-primary);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.capsule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.capsule-list li {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.6;
  position: relative;
  padding-left: 20px;
}

.capsule-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
}

/* Article Prose */
.article-prose {
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--text-primary);
}

.article-prose p {
  margin-bottom: 24px;
}

.article-prose h2 {
  font-size: 1.65rem;
  font-weight: 800;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.article-prose h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 28px 0 12px;
}

.article-prose ul,
.article-prose ol {
  margin: 0 0 24px 28px;
}

.article-prose li {
  margin-bottom: 8px;
}

.in-content-ad {
  margin: 36px 0;
}

/* 9. Multi-Author 3-Profile Grid (E-E-A-T) */
.authors-section {
  margin-top: 50px;
  padding-top: 32px;
  border-top: 2px solid var(--border-color);
}

.authors-section-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.authors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.author-profile-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.author-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-card);
  border: 2px solid var(--accent-cyan);
}

.author-name-tag h4 {
  font-size: 1rem;
  font-weight: 700;
}

.author-role {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.author-bio {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.author-social-links {
  display: flex;
  gap: 10px;
  margin-top: auto;
  font-size: 0.8rem;
}

.author-social-links a {
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.author-social-links a:hover {
  color: var(--accent-cyan);
}

/* 10. Global Footer */
.site-footer {
  background: #06090e;
  border-top: 1px solid var(--border-color);
  padding: 48px 20px 24px;
  margin-top: 60px;
  font-size: 0.9rem;
}

.footer-inner {
  max-width: var(--max-content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 12px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.footer-bottom {
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* Reading Progress Bar */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  width: 0%;
  z-index: 999;
  transition: width 0.1s ease;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .main-wrapper {
    grid-template-columns: 1fr;
  }
  .sidebar-sticky {
    position: static;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
  }
  .nav-links {
    display: none;
  }
  .featured-thumb {
    height: 220px;
  }
  .featured-title {
    font-size: 1.4rem;
  }
  .article-headline {
    font-size: 1.65rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}