/** 
 * rag.css 
 * Gold Lakehouse RAG Developer Hub Presentation Layers 
 * Power BI Theme Variant 
 */

.container {
  max-width: 900px;
  margin: 40px auto;
  background-color: #111111;
  padding: 35px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

.container h1 {
  color: #ffffff;
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  margin-top: 0;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.container p {
  color: #a1a1a1;
  font-size: 15px;
  text-align: center;
  line-height: 1.6;
  margin-bottom: 35px;
}

/* Dynamic Tab Navigation Component Layer */
.nav-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 30px;
  border-bottom: 2px solid #2d2d2d;
  padding-bottom: 2px;
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  white-space: nowrap;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #a1a1a1;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  border-radius: 6px 6px 0 0;
}

.tab-btn:hover {
  background-color: #252526;
  color: #f2c811;
}

.tab-btn.active {
  color: #000000;
  border-bottom-color: #f2c811;
  background-color: #f2c811;
}

/* Structural Data Presentation Card */
.card {
  background-color: #1e1e1e;
  border: 1px solid #2d2d2d;
  border-radius: 8px;
  padding: 28px;
  min-height: 300px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

.card h2 {
  color: #ffffff;
  font-size: 22px;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 18px;
  border-left: 4px solid #f2c811;
  padding-left: 10px;
}

.card h3 {
  color: #eaeaea;
  font-size: 16px;
  font-weight: 600;
  margin-top: 25px;
  margin-bottom: 12px;
}

/* Strategic Concept Block Callout */
.concept-block {
  background-color: #252526;
  border-left: 4px solid #f2c811;
  padding: 18px;
  margin-bottom: 24px;
  border-radius: 0 8px 8px 0;
}

.concept-block p {
  text-align: left;
  margin: 0;
  font-size: 14.5px;
  color: #cccccc;
  line-height: 1.6;
}

.concept-block p:first-child {
  margin-bottom: 10px;
}

.concept-block strong {
  color: #ffffff;
}

/* Technical Delta Lake Schema Code Blocks */
pre {
  background-color: #000000;
  padding: 18px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 12px 0 24px 0;
  border: 1px solid #2d2d2d;
}

pre code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13.5px;
  color: #f2c811;
  line-height: 1.5;
  display: block;
}

/* Implementation Steps Structural Framework */
.card ul {
  margin: 0;
  padding-left: 20px;
}

.card li {
  font-size: 14.5px;
  color: #cccccc;
  line-height: 1.6;
  margin-bottom: 12px;
}

.card li strong {
  color: #ffffff;
}

/* Simulated Network Latency Loading State */
.loading {
  color: #f2c811;
  font-style: italic;
  font-size: 15px;
  text-align: center;
  padding: 40px 0;
}