:root {
  --fondo: #050506;
  --texto: #f4f3ef;
  --suave: rgba(244, 243, 239, 0.66);
  --vidrio: rgba(12, 12, 14, 0.55);
  --borde: rgba(255, 255, 255, 0.12);
  --ok: #5ad18a;
  --sin: #ffb54a;
  --alerta: #ff3b3b;
  --letra: "Bahnschrift", "DIN Alternate", "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--fondo); color: var(--texto); overflow: hidden;
  font-family: var(--letra); -webkit-font-smoothing: antialiased; }
#lienzo { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }

/* --- modo actual --- */
#modo { position: fixed; top: 20px; left: 20px; display: flex; gap: 12px; align-items: center;
  padding: 12px 18px 12px 14px; background: var(--vidrio); border: 1px solid var(--borde); border-radius: 14px;
  backdrop-filter: blur(14px) saturate(1.2); max-width: min(440px, calc(100vw - 40px)); }
#modo i { width: 12px; height: 12px; border-radius: 50%; background: var(--c, #888); flex: none;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c, #888) 25%, transparent), 0 0 18px var(--c, #888); }
#modo b { display: block; font-size: 22px; font-weight: 600; letter-spacing: .01em; line-height: 1.1; }
#modo span { display: block; font-size: 13.5px; color: var(--suave); margin-top: 3px; line-height: 1.35; }

/* --- último comando --- */
#aviso { position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 16px); opacity: 0;
  min-width: 320px; max-width: calc(100vw - 32px); padding: 16px 22px 14px; text-align: center;
  background: var(--vidrio); border: 1px solid var(--borde); border-radius: 18px; backdrop-filter: blur(16px);
  transition: opacity .18s ease, transform .22s cubic-bezier(.2, .8, .2, 1); pointer-events: none; }
#aviso.ver { opacity: 1; transform: translate(-50%, 0); }
#aviso.alerta { border-color: var(--alerta); background: rgba(60, 0, 0, .6); }
#aviso .combo { display: flex; justify-content: center; align-items: center; gap: 8px; margin-bottom: 10px; }
#aviso kbd { font-family: var(--letra); font-size: 18px; font-weight: 600; min-width: 40px; height: 40px;
  padding: 0 10px; display: inline-grid; place-items: center; border-radius: 10px;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22); }
#aviso .combo i { font-style: normal; color: var(--suave); }
#aviso .nombre { font-size: 26px; font-weight: 600; line-height: 1.15; }
#aviso .manual { font-size: 14px; color: var(--suave); margin-top: 4px; }
#aviso .sello { display: inline-block; margin-top: 10px; font-size: 12.5px; padding: 4px 10px; border-radius: 99px;
  color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
#aviso .sello[data-estado="no_probado"] { color: var(--sin); background: color-mix(in srgb, var(--sin) 14%, transparent); }

/* --- conexión del celular --- */
#conexion { position: fixed; top: 20px; right: 20px; display: flex; gap: 14px; align-items: center;
  padding: 12px; background: var(--vidrio); border: 1px solid var(--borde); border-radius: 14px; backdrop-filter: blur(14px); }
#conexion .qr { width: 92px; height: 92px; padding: 7px; background: #fff; border-radius: 8px; }
#conexion .qr svg { width: 100%; height: 100%; display: block; }
#conexion .texto { display: grid; gap: 3px; padding-right: 6px; }
#conexion b { font-size: 16px; font-weight: 600; }
#conexion span { font-size: 12.5px; color: var(--suave); }
#conexion code { font-family: var(--letra); font-size: 13px; color: var(--texto); }
#conexion .si { display: none; color: var(--ok); }
#conexion.conectado .qr, #conexion.conectado .no { display: none; }
#conexion.conectado .si { display: block; }
#conexion.conectado { padding: 10px 16px; }

/* --- reiniciar (solo tras una parada de emergencia) --- */
#reiniciar { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none;
  font-family: var(--letra); font-size: 20px; font-weight: 600; color: #fff; padding: 14px 30px; border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .25); background: var(--alerta); cursor: pointer; }
#reiniciar:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
body[data-modo="parada"] #reiniciar { display: block; }

/* --- carga --- */
#carga { position: fixed; inset: 0; display: grid; place-content: center; gap: 14px; background: var(--fondo);
  transition: opacity .6s ease; z-index: 10; text-align: center; }
#carga.listo { opacity: 0; pointer-events: none; }
#carga .barra { width: 220px; height: 3px; background: rgba(255,255,255,.12); border-radius: 2px; overflow: hidden; }
#carga .barra i { display: block; height: 100%; width: 40%; background: var(--texto);
  animation: carga 1.1s ease-in-out infinite; }
#carga p { margin: 0; font-size: 14px; color: var(--suave); letter-spacing: .02em; }
@keyframes carga { from { transform: translateX(-100%); } to { transform: translateX(260%); } }

@media (max-width: 720px) {
  #modo { top: 12px; left: 12px; } #conexion { display: none; }
  #aviso .nombre { font-size: 21px; }
}
@media (prefers-reduced-motion: reduce) {
  #carga .barra i { animation: none; width: 100%; }
  #aviso { transition: none; }
}

/* --- chuleta de comandos (botón casita) --- */
#chuleta { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(920px, calc(100vw - 32px));
  max-height: calc(100vh - 40px); overflow: auto; padding: 22px 26px; background: rgba(10, 10, 12, .82);
  border: 1px solid var(--borde); border-radius: 18px; backdrop-filter: blur(18px); z-index: 5; }
#chuleta[hidden] { display: none; }
#chuleta h2 { margin: 0 0 14px; font-size: 22px; font-weight: 600; display: flex; justify-content: space-between; align-items: baseline; }
#chuleta h2 small { font-size: 13px; font-weight: 400; color: var(--suave); }
#chuleta kbd { font-family: var(--letra); font-size: 12.5px; font-weight: 600; padding: 2px 7px; border-radius: 6px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); }
#chuleta .pasos { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 16px; padding: 0; list-style: none; font-size: 14px; counter-reset: p; }
#chuleta .pasos li { display: flex; align-items: center; gap: 4px; }
#chuleta .pasos li::before { counter-increment: p; content: counter(p); color: var(--suave); margin-right: 4px; font-size: 12px; }
#chuleta .tabla { display: grid; grid-template-columns: 34px repeat(4, 1fr); gap: 6px; font-size: 13.5px; }
#chuleta .tabla b { display: grid; place-items: center; font-size: 16px; }
#chuleta .tabla span { padding: 8px 10px; border-radius: 9px; background: rgba(255,255,255,.06); line-height: 1.25; }
#chuleta .sin { color: var(--sin); }
#chuleta .tabla span.sin { background: color-mix(in srgb, var(--sin) 10%, transparent); }
#chuleta .extras { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 6px 16px; margin-top: 14px; font-size: 13.5px; }
#chuleta .seguridad { margin: 16px 0 0; font-size: 13.5px; color: var(--suave); }
#conexion .sala { font-size: 13px; color: var(--suave); margin-top: 2px; }
#conexion .sala b { font-size: 18px; letter-spacing: .12em; color: var(--texto); margin-left: 4px; }
#conexion.conectado .sala b { font-size: 14px; }