.version-stamp {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.5rem;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.02em;
  border-radius: 4px;
  opacity: var(--stamp-opacity, 0.6);
  transition: opacity 0.15s ease, transform 0.15s ease;
  user-select: none;
}

.version-stamp:hover {
  opacity: 1;
}

/* Environment: Production */
.version-stamp.env-prod {
  background: rgba(0, 0, 0, 0.05);
  color: #9ca3af;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .version-stamp.env-prod {
    background: rgba(255, 255, 255, 0.04);
    color: #6b7280;
    border-color: rgba(255, 255, 255, 0.08);
  }
}

/* Environment: Development/Staging */
.version-stamp.env-dev {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

@media (prefers-color-scheme: dark) {
  .version-stamp.env-dev {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.3);
  }
}

/* Interactive state */
.version-stamp.interactive {
  cursor: pointer;
}

.version-stamp.interactive:hover {
  transform: translateY(-1px);
}

.version-stamp.interactive:active {
  transform: translateY(0);
}

/* Version text */
.version-text {
  white-space: nowrap;
}

/* Environment badge */
.env-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.125rem 0.25rem;
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: #d97706;
  color: white;
  border-radius: 2px;
  opacity: 0.9;
}

@media (prefers-color-scheme: dark) {
  .env-badge {
    background: #fbbf24;
    color: #1f2937;
  }
}

/* Mobile adjustments */
@media (max-width: 640px) {
  .version-stamp {
    font-size: 0.625rem;
    padding: 0.1875rem 0.375rem;
  }

  .env-badge {
    font-size: 0.5rem;
    padding: 0.0625rem 0.1875rem;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .version-stamp {
    transition: none;
  }

  .version-stamp.interactive:hover {
    transform: none;
  }
}