.mobile-paraphrase-panel, 
.mobile-error-panel {
  position: fixed;
  bottom: -100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-radius: 15px 15px 0 0;
  box-shadow: 0 -5px 15px rgba(0,0,0,0.2);
  max-height: 70vh;
  overflow-y: auto;
  transition: bottom 0.3s ease;
  z-index: 1000000;
}

.mobile-paraphrase-panel.active, 
.mobile-error-panel.active {
  bottom: 0;
}

.close-panel-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

.paraphrase-option {
  padding: 10px;
  margin: 10px 10px;
  border-radius: 5px;
  cursor: pointer;
}

.paraphrase-option:hover {
  background-color: #f5f5f5;
}

.original-sentence {
  margin: 15px;
}