.md-grid {
  max-width: 1900px; 
}

.md-header__source {
  display: flex;
  align-items: center;
}

:root {
  --md-primary-fg-color:        #001E50;
  --md-accent-fg-color:         #00C7FD;
}

.md-header__source a.need-help {
  background-color: #001E50; 
  color: white;
  padding: 6px 12px;
  border-radius: 5px;
  font-size: 14px;
  margin-left: 10px;
  text-decoration: none;
  font-weight: bold;
}

.md-header__source a.need-help:hover {
  background-color: #00C7FD;
}

.md-header__source a.need-help::before {
  content: "❓ ";
  font-size: 16px;
}

/* Improved floating help button */
.floating-help-button {
  position: fixed;
  right: 25px;
  bottom: 30px;
  background-color: #001E50;
  color: white;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0, 30, 80, 0.3);
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 1000;
  border: 2px solid transparent;
}

.floating-help-button:hover {
  background-color: #00C7FD;
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(0, 199, 253, 0.4);
}

.floating-help-button:active {
  transform: translateY(0);
}

.floating-help-button:focus {
  outline: none;
  border: 2px solid #ffffff;
}

.floating-help-button svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 768px) {
  .floating-help-button {
    padding: 10px;
    border-radius: 50%;
    right: 15px;
    bottom: 20px;
  }
  
  .floating-help-button span {
    display: none;
  }
}