html, body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; }

table tbody tr { border-top: 1px solid rgba(148, 163, 184, 0.1); }
table tbody tr:hover { background: rgba(15, 23, 42, 0.6); }

button:disabled { opacity: 0.5; cursor: not-allowed; }

input, select { color-scheme: dark; }

@media (max-width: 640px) {
  .range-btn { font-size: 0.75rem; padding: 0.25rem 0.5rem; }
}