/* AgenticCMO Daily Digest - Styles */

:root {
  /* Primary color palette */
  --color-primary: #05697a;
  --color-primary-dark: #044f5c;
  --color-primary-light: #0a8a9e;

  /* Secondary/accent colors */
  --color-accent: #cc4e01;
  --color-accent-light: #e65a00;
  --color-accent-dark: #a33f00;

  /* Neutral colors */
  --color-gray: #5b5b57;
  --color-gray-light: #7a7a76;
  --color-gray-dark: #3d3d3a;

  /* Vendor badge */
  --color-vendor-bg: #fff3e0;
  --color-vendor-text: #a33f00;

  /* Text colors */
  --color-text: #2d2d2a;
  --color-text-light: #5b5b57;
  --color-text-muted: #7a7a76;

  /* Background colors */
  --color-bg: #f7f7f6;
  --color-card: #ffffff;
  --color-border: #e0e0de;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* Layout */
  --max-width: 900px;
  --sidebar-width: 220px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Subscribe CTA */
.subscribe-cta {
  text-align: center;
  margin-bottom: 32px;
  padding: 16px 20px;
  background: linear-gradient(90deg, rgba(5, 105, 122, 0.08) 0%, rgba(5, 105, 122, 0.03) 100%);
  border-radius: 8px;
  border: 1px solid rgba(5, 105, 122, 0.15);
}

.subscribe-cta a {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: color 0.15s ease;
}

.subscribe-cta a:hover {
  color: var(--color-accent);
}

/* Header */
.site-header {
  background: var(--color-primary);
  color: white;
  padding: 20px 0;
  margin-bottom: 40px;
  border-bottom: 4px solid var(--color-gray);
}

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

.header-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-header .logo {
  display: block;
  text-decoration: none;
}

.site-header .logo-img {
  height: 40px;
  width: auto;
}

.site-header .tagline {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 400;
}

.header-nav {
  display: flex;
  gap: 24px;
}

.header-nav a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.header-nav a:hover {
  color: white;
}

/* Digest Header */
.digest-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--color-border);
}

.digest-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: -0.025em;
}

.digest-summary {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.7;
}

.digest-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* Story Table of Contents (inline) */
.story-toc {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 32px;
}

.story-toc h3 {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.75px;
  margin-bottom: 12px;
  font-weight: 600;
}

.story-toc ol {
  list-style: decimal;
  padding-left: 20px;
  margin: 0;
  columns: 2;
  column-gap: 24px;
}

.story-toc li {
  font-size: 0.9rem;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--color-text-light);
  break-inside: avoid;
}

.story-toc a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.15s ease;
}

.story-toc a:hover {
  color: var(--color-accent);
}

@media (max-width: 600px) {
  .story-toc ol {
    columns: 1;
  }
}

/* Signal Section (inline) */
.signal-inline {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin-bottom: 32px;
}

.signal-inline h3 {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.75px;
  margin-bottom: 14px;
  font-weight: 600;
}

.signal-inline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.signal-inline-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.signal-inline-list a {
  font-size: 0.9rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.signal-inline-list a:hover {
  color: var(--color-accent);
}

.signal-inline-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.signal-inline-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

.signal-inline-more:hover {
  color: var(--color-accent);
}

/* Story Clusters */
.story-cluster {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.story-cluster:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.cluster-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.cluster-headline {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* Vendor Tag */
.vendor-tag {
  display: inline-block;
  background: var(--color-vendor-bg);
  color: var(--color-vendor-text);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.vendor-tag-small {
  display: inline-block;
  background: var(--color-vendor-bg);
  color: var(--color-vendor-text);
  font-size: 0.6rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  border-radius: 4px;
  margin-left: 4px;
}

/* Lead Article */
.lead-article {
  margin-bottom: 16px;
}

.lead-source {
  font-size: 0.8rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.source-name {
  color: var(--color-primary);
  font-weight: 600;
}

.source-vendor {
  background: var(--color-vendor-bg);
  color: var(--color-vendor-text);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.75rem;
}

.source-newsletter {
  background: #f3e8ff;
  color: #7c3aed;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.75rem;
}

.lead-time {
  color: var(--color-text-muted);
}

.lead-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.lead-title a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.lead-description {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Cluster Summary */
.cluster-summary {
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 14px 18px;
  background: linear-gradient(90deg, rgba(5, 105, 122, 0.08) 0%, rgba(5, 105, 122, 0.02) 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 6px 6px 0;
  margin-bottom: 16px;
  line-height: 1.6;
}

/* Related Coverage */
.related-coverage {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.related-coverage h4 {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.75px;
  margin-bottom: 10px;
  font-weight: 600;
}

.related-list {
  list-style: none;
}

.related-list li {
  font-size: 0.9rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.15s ease;
}

.related-list a:hover {
  color: var(--color-accent);
}

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

/* Tags */
.cluster-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 0.7rem;
  color: var(--color-primary-dark);
  background: rgba(5, 105, 122, 0.1);
  padding: 4px 10px;
  border-radius: 100px;
  font-weight: 500;
}

/* Sidebar */
.digest-sidebar {
  position: fixed;
  right: 20px;
  top: 130px;
  width: var(--sidebar-width);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 18px;
  max-height: calc(100vh - 160px);
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}

.digest-sidebar h3 {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.75px;
  margin-bottom: 14px;
  font-weight: 600;
}

.story-nav ol {
  list-style: decimal;
  padding-left: 20px;
}

.story-nav li {
  font-size: 0.8rem;
  margin-bottom: 10px;
  line-height: 1.4;
  color: var(--color-text-light);
}

.story-nav a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.15s ease;
}

.story-nav a:hover {
  color: var(--color-accent);
}

/* Sidebar Sections */
.sidebar-section {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* Signal Section */
.signal-section {
  border-left: 3px solid var(--color-primary);
  padding-left: 14px;
  margin-left: -14px;
}

.signal-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.signal-list li {
  margin-bottom: 12px;
  line-height: 1.4;
}

.signal-list li:last-child {
  margin-bottom: 0;
}

.signal-list a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.signal-list a:hover {
  color: var(--color-accent);
}

.signal-date {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.sidebar-more {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

.sidebar-more:hover {
  color: var(--color-accent);
}

/* Footer */
.site-footer {
  margin-top: 60px;
  padding: 32px 0;
  background: var(--color-primary);
  color: white;
  border-top: 4px solid var(--color-accent);
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.site-footer .footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-footer .footer-brand p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

.site-footer .footer-brand a {
  color: white;
  text-decoration: none;
  font-weight: 600;
}

.site-footer .footer-brand a:hover {
  color: var(--color-accent-light);
}

.site-footer .footer-tagline {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: var(--color-accent-light);
}

/* Responsive */
@media (max-width: 1200px) {
  .digest-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-nav {
    gap: 16px;
  }

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: 16px 0;
  }

  .site-header .logo {
    font-size: 1.5rem;
  }

  .header-nav {
    gap: 12px;
    font-size: 0.85rem;
  }

  .cluster-header {
    flex-direction: column;
  }

  .cluster-headline {
    font-size: 1.1rem;
  }

  .story-cluster {
    padding: 18px;
    border-radius: 6px;
  }

  .digest-header h1 {
    font-size: 1.5rem;
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: 12px;
  }
}