styles.css

.main-header {
  text-align: center;
  padding: 2rem 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  margin: -1rem -1rem 2rem -1rem;
  border-radius: 10px;
  box-shadow: 0 4px 15px 0 rgba(31, 38, 135, 0.37);
}

.stApp {
  background: var(--background-color);
}

/* Dark theme compatible containers */
.query-result {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 15px;
  margin: 1rem 0;
  color: var(--text-color);
}

.source-doc {
  background: rgba(31, 119, 180, 0.1);
  backdrop-filter: blur(5px);
  padding: 1rem;
  border-left: 4px solid #1f77b4;
  border-radius: 8px;
  margin: 0.5rem 0;
  color: var(--text-color);
}

.share-link {
  background: rgba(46, 204, 113, 0.1);
  backdrop-filter: blur(5px);
  padding: 1rem;
  border-radius: 10px;
  border-left: 4px solid #2ecc71;
  color: var(--text-color);
}

/* Model indicator boxes */
.model-info {
  background: rgba(52, 152, 219, 0.15);
  backdrop-filter: blur(10px);
  padding: 15px;
  border-radius: 12px;
  border-left: 4px solid #3498db;
  margin: 10px 0;
}

/* Language selection enhancement */
.language-selection {
  background: rgba(155, 89, 182, 0.1);
  backdrop-filter: blur(10px);
  padding: 15px;
  border-radius: 12px;
  border-left: 4px solid #9b59b6;
  margin: 10px 0;
}

/* Upload area enhancement */
.stFileUploader {
  background: rgba(230, 126, 34, 0.1);
  backdrop-filter: blur(10px);
  padding: 20px;
  border-radius: 15px;
  border: 2px dashed #e67e22;
}

.stFileUploader label {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-color);
}

/* Button enhancements */
.stButton > button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 0.6rem 1.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px 0 rgba(31, 38, 135, 0.37);
}

.stButton > button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(31, 38, 135, 0.5);
}

/* Sidebar enhancements */
.css-1d391kg {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
}

/* Info boxes */
.stInfo {
  background: rgba(52, 152, 219, 0.1);
  backdrop-filter: blur(10px);
  border-left: 4px solid #3498db;
}

.stSuccess {
  background: rgba(46, 204, 113, 0.1);
  backdrop-filter: blur(10px);
  border-left: 4px solid #2ecc71;
}

.stWarning {
  background: rgba(241, 196, 15, 0.1);
  backdrop-filter: blur(10px);
  border-left: 4px solid #f1c40f;
}

.stError {
  background: rgba(231, 76, 60, 0.1);
  backdrop-filter: blur(10px);
  border-left: 4px solid #e74c3c;
}