* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #0a1a2e 0%, #16213e 100%);
  color: #e4e4e4;
  min-height: 100vh;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}
header {
  text-align: center;
  margin-bottom: 30px;
}
header h1 {
  font-size: 2.5rem;
  color: #00d9ff;
  margin-bottom: 10px;
}
.subtitle {
  color: #888;
  font-size: 1.1rem;
}
main {
  display: grid;
  gap: 20px;
}
section {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
h2 {
  color: #00d9ff;
  margin-bottom: 15px;
  font-size: 1.3rem;
}
.upload-area {
  border: 2px dashed #444;
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.upload-area:hover {
  border-color: #00d9ff;
  background: rgba(0, 217, 255, 0.1);
}
#fileInput {
  display: none;
}
.output-container {
  background: #1a1a2e;
  border-radius: 8px;
  padding: 15px;
  max-height: 300px;
  overflow-y: auto;
}
#markdownOutput {
  color: #e4e4e4;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.query-container {
  display: flex;
  gap: 10px;
}
#questionInput {
  flex: 1;
  padding: 12px;
  border: 1px solid #444;
  border-radius: 6px;
  background: #1a1a2e;
  color: #fff;
  font-size: 1rem;
}
#askButton {
  padding: 12px 24px;
  background: #00d9ff;
  border: none;
  border-radius: 6px;
  color: #0a1a2e;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.3s ease;
}
#askButton:hover {
  opacity: 0.8;
}
.answer-output {
  margin-top: 15px;
  padding: 15px;
  background: rgba(0, 217, 255, 0.1);
  border-radius: 8px;
  display: none;
}
footer {
  text-align: center;
  margin-top: 30px;
  color: #666;
  font-size: 0.9rem;
}