/* ═══════════════════════════════════════════════════════════
 *  5BAR DESIGN SYSTEM — PRINCIPLES INDEX (principles/index.html)
 *  Hoisted from an embedded <style> block; consumes tokens.css.
 * ═══════════════════════════════════════════════════════════ */

.principles-content {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.principles-header {
  text-align: center;
  padding: var(--space-4) 0 var(--space-3);
  border-bottom: 1px solid var(--color-ink-border);
  margin-bottom: var(--space-2);
}

.principles-header h1 {
  font-size: 1.8rem;
  margin-bottom: var(--space-2);
}

.principles-header p {
  font-size: 0.85rem;
  color: var(--color-ink-light);
  max-width: 400px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Topic Boxes Grid */
.topics-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (max-width: 600px) {
  .topics-grid {
    grid-template-columns: 1fr;
  }
}

.topic-card {
  background: var(--wash-paper-40);
  border: 1px solid var(--color-ink-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  transition: all 200ms ease;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  min-height: 140px;
}

.topic-card:hover {
  background: var(--wash-paper-65);
  box-shadow: var(--shadow-paper);
  transform: translateY(-2px);
}

.topic-card[href=""] {
  cursor: default;
  opacity: 0.7;
}

.topic-card[href=""]:hover {
  transform: none;
  box-shadow: none;
  background: var(--wash-paper-40);
}

.topic-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.topic-description {
  font-size: 0.8rem;
  color: var(--color-ink-light);
  line-height: 1.6;
  flex: 1;
}

/* Recent Articles Section */
.articles-section {
  border-top: 1px solid var(--color-ink-border);
  padding-top: var(--space-5);
}

.section-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--color-ink-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.articles-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.article-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-4);
  border-bottom: 1px dashed var(--wash-border-20);
}

.article-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.article-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-ink);
  text-decoration: none;
  transition: color 200ms ease;
}

.article-title:hover {
  color: var(--color-strength);
}

.article-excerpt {
  font-size: 0.8rem;
  color: var(--color-ink-light);
  line-height: 1.7;
  max-width: 600px;
}

.article-meta {
  font-size: 0.7rem;
  color: var(--color-ink-light);
  letter-spacing: 0.04em;
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .principles-header h1 {
    font-size: 1.5rem;
  }

  .topic-card {
    min-height: auto;
    padding: var(--space-3);
  }

  .topic-title {
    font-size: 1rem;
  }
}