/* base.css - Color scheme: Blue/Teal theme */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --accent-color: #0891b2;
  --text-dark: #1e293b;
  --text-medium: #475569;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --highlight-bg: #dbeafe;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--bg-white);
  font-size: 16px;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 600;
  font-style: italic;
}

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Override link colors specifically for URL links */
a[href] {
  color: #C99700;
}

a[href]:hover {
  color: #B8880A;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  margin-top: 0;
  color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.75rem; }

ul {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

strong {
  font-weight: 600;
  color: var(--text-dark);
}

em {
  font-style: italic;
}

.placeholder-image {
  background: linear-gradient(135deg, var(--highlight-bg) 0%, #bfdbfe 100%);
  border: 2px dashed var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  font-weight: 500;
  border-radius: 8px;
}