.grammar-panel {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 220px;
  padding: 12px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
  background: #fff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  z-index: 2147483647;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.grammar-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.grammar-panel__title {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  color: #0f172a;
}

.grammar-panel__close {
  background: transparent;
  border: none;
  width: 20px;
  height: 20px;
  font-size: 16px;
  cursor: pointer;
  color: #475569;
}

.grammar-panel button {
  width: 100%;
  padding: 8px;
  margin-bottom: 6px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  background: #2563eb;
  color: white;
  transition: background 0.2s ease;
}

.grammar-panel button:hover {
  background: #1d4ed8;
}

.grammar-panel__status {
  min-height: 16px;
  font-size: 11px;
  color: #475569;
  margin-top: 4px;
}

.grammar-panel__status.error {
  color: #dc2626;
}

.grammar-panel__status.success {
  color: #0a8754;
}