/* Estilos mínimos; el foco es la lógica JS */
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; padding: 24px; background: #f7fafc; color: #111827; }
main { max-width: 760px; margin: 0 auto; background: white; padding: 18px; border-radius: 8px; box-shadow: 0 6px 18px rgba(0,0,0,0.06); }
button { padding: 10px 14px; border-radius: 6px; border: none; cursor: pointer; background: #2563eb; color: white; }
#note { margin-top: 12px; font-size: 14px; color: #374151; }