/* Custom styling for error boxes */
.error-box {
  background-color: #ffebee;
  border-left: 5px solid #f44336;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

.error-box code {
  background-color: #ffcdd2;
  padding: 2px 4px;
  border-radius: 3px;
}

/* Custom styling for warning boxes */
.warning-box {
  background-color: #fff3e0;
  border-left: 5px solid #ff9800;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

.warning-box code {
  background-color: #ffe0b2;
  padding: 2px 4px;
  border-radius: 3px;
}

/* Custom styling for message boxes */
.message-box {
  background-color: #e3f2fd;
  border-left: 5px solid #2196f3;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

.message-box code {
  background-color: #bbdefb;
  padding: 2px 4px;
  border-radius: 3px;
}

/* Custom styling for solution boxes */
.solution-box {
  background-color: #e8f5e9;
  border-left: 5px solid #4caf50;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
}

.solution-box code {
  background-color: #c8e6c9;
  padding: 2px 4px;
  border-radius: 3px;
}

/* Insight boxes */
.insight-box {
  background-color: #f3e5f5;
  border-left: 5px solid #9c27b0;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
}

/* Pitfall boxes */
.pitfall-box {
  background-color: #fce4ec;
  border-left: 5px solid #e91e63;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
}

/* Best practice boxes */
.bestpractice-box {
  background-color: #e0f2f1;
  border-left: 5px solid #009688;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
}

/* Exercise boxes */
.exercise-box {
  background-color: #fff9c4;
  border: 2px dashed #fbc02d;
  padding: 15px;
  margin: 20px 0;
  border-radius: 4px;
}

/* Difficulty badges */
.difficulty-beginner {
  background-color: #4caf50;
  color: white;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 0.85em;
  font-weight: bold;
}

.difficulty-intermediate {
  background-color: #ff9800;
  color: white;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 0.85em;
  font-weight: bold;
}

.difficulty-advanced {
  background-color: #f44336;
  color: white;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 0.85em;
  font-weight: bold;
}

/* Category badges */
.cat-syntax { background-color: #9e9e9e; }
.cat-package { background-color: #795548; }
.cat-type { background-color: #3f51b5; }
.cat-dimension { background-color: #00bcd4; }
.cat-file { background-color: #607d8b; }
.cat-math { background-color: #673ab7; }
.cat-scope { background-color: #e91e63; }

.category-badge {
  color: white;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.75em;
  margin-right: 5px;
  display: inline-block;
}

/* Code blocks */
pre {
  background-color: #f5f5f5;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 10px;
  overflow-x: auto;
}

code {
  font-family: 'Source Code Pro', 'Courier New', monospace;
  font-size: 0.9em;
}

/* Inline code */
p code, li code {
  background-color: #f5f5f5;
  padding: 2px 4px;
  border-radius: 3px;
  border: 1px solid #ddd;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 20px 0;
}

th, td {
  border: 1px solid #ddd;
  padding: 12px;
  text-align: left;
}

th {
  background-color: #f5f5f5;
  font-weight: bold;
}

tr:nth-child(even) {
  background-color: #fafafa;
}

/* Emoji styling */
.emoji {
  font-size: 1.2em;
  margin-right: 5px;
}

/* Cross-reference links */
a.reference {
  color: #2196f3;
  text-decoration: none;
  border-bottom: 1px dotted #2196f3;
}

a.reference:hover {
  color: #1976d2;
  border-bottom: 1px solid #1976d2;
}

/* TOC customization */
.book .book-summary {
  background-color: #fafafa;
}

/* Chapter headings */
h1 {
  color: #2c3e50;
  border-bottom: 3px solid #3498db;
  padding-bottom: 10px;
}

h2 {
  color: #34495e;
  border-bottom: 2px solid #95a5a6;
  padding-bottom: 8px;
  margin-top: 30px;
}

h3 {
  color: #7f8c8d;
  margin-top: 25px;
}

/* Blockquotes */
blockquote {
  border-left: 4px solid #3498db;
  padding-left: 20px;
  margin: 20px 0;
  color: #555;
  font-style: italic;
}

/* Footer */
.book .book-body .page-wrapper .page-inner section.normal {
  max-width: 900px;
}

/* Print styles */
@media print {
  .error-box, .warning-box, .message-box, .solution-box {
    page-break-inside: avoid;
  }
}