/* Shared CSS for Exact Values Articles */

/* CSS Variables - from main app */
:root {
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

/* Base Typography */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header - matching main app */
.header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.header-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.header-link:hover .brand-name {
  color: var(--primary-color);
}

.logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-symbol {
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

/* Article Content Container */
.article-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Article Typography */
article h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

article h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

article h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

article p {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

article .lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

article em {
  font-style: italic;
}

article strong {
  font-weight: 600;
}

/* Lists */
article ul,
article ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

article li {
  margin-bottom: 0.5rem;
}

/* Blockquote */
article blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* Links */
article a {
  color: var(--primary-color);
  text-decoration: none;
}

article a:hover {
  text-decoration: underline;
}

/* Call to Action Button */
.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color) 0%, #7c3aed 100%);
  color: white;
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  margin-top: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

/* Hero Image */
.hero-image {
  width: 100%;
  margin-bottom: 2rem;
  border-radius: 12px;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Article Figures/Images */
article figure {
  margin: 2rem 0;
  padding: 0;
}

article figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

article figcaption {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
  font-style: italic;
}

/* Back Link */
.back-link {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.back-link a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
}

.back-link a:hover {
  color: var(--primary-color);
}

/* Special Angles List */
.angles-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.angles-list li {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 500;
}

/* Responsive */
@media (max-width: 640px) {
  .header-content {
    padding: 0 0.5rem;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .article-content {
    padding: 1rem;
  }

  article h1 {
    font-size: 1.5rem;
  }

  article h2 {
    font-size: 1.25rem;
  }
}