:root {
  color-scheme: light;
  --fondo: #f6f1ea;
  --papel: #fffdf9;
  --tinta: #2b2420;
  --suave: #7a6e66;
  --linea: #e7ddd2;
  --rojo: #d63326;
  --rojo-osc: #a8231a;
  --verde: #1f8a4c;
  --verde-claro: #e3f4ea;
  --ambar: #b26a00;
  --ambar-claro: #fff1d6;
  --radio: 18px;
  --sombra: 0 1px 2px rgba(60, 40, 20, .06), 0 6px 20px rgba(60, 40, 20, .07);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font: 17px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
a { color: var(--rojo-osc); }
h1, h2 { line-height: 1.2; margin: 0 0 .4rem; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
p { margin: .3rem 0 .6rem; }
code { background: var(--linea); padding: 0 .3em; border-radius: 4px; font-size: .9em; }
.suave { color: var(--suave); }
.verde { color: var(--verde); font-weight: 600; }
.rojo { color: var(--rojo); }
[hidden] { display: none !important; }

.contenedor { max-width: 560px; margin: 0 auto; padding: 20px 16px 48px; }

/* ---------- Botones ---------- */
button { font: inherit; cursor: pointer; }
.boton-pri, .boton-sec, .boton-voy, .boton-ok {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  min-height: 52px; padding: 0 22px; border-radius: 14px; border: 0;
  font-weight: 700; font-size: 1.05rem; text-decoration: none;
  transition: transform .08s, filter .15s;
}
.boton-pri { background: var(--rojo); color: #fff; }
.boton-sec { background: var(--papel); color: var(--tinta); border: 2px solid var(--linea); }
.boton-voy { background: var(--rojo); color: #fff; font-size: 1.25rem; min-height: 64px; }
.boton-ok { background: var(--verde); color: #fff; }
.boton-pri:active, .boton-sec:active, .boton-voy:active, .boton-ok:active { transform: scale(.97); }
button:disabled { opacity: .55; }
.boton-sec.grande { min-height: 64px; font-size: 1.2rem; width: 100%; }

/* ---------- Login ---------- */
.login .marca { text-align: center; margin: 24px 0 20px; }
.login .marca img { border-radius: 18px; box-shadow: var(--sombra); }
.login .marca h1 { margin-top: 14px; }
.personas { display: grid; gap: 10px; margin-bottom: 18px; }
.persona { display: block; }
.persona input { position: absolute; opacity: 0; pointer-events: none; }
.persona span {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--papel); border: 2px solid var(--linea); border-radius: var(--radio);
  padding: 16px 18px; font-size: 1.15rem; cursor: pointer;
}
.persona small { color: var(--suave); font-size: .85rem; }
.persona input:checked + span { border-color: var(--rojo); box-shadow: 0 0 0 3px rgba(214, 51, 38, .15); }
.persona input:focus-visible + span { outline: 3px solid var(--rojo); }
.campo { display: block; margin-bottom: 14px; }
.campo span { display: block; font-weight: 600; margin-bottom: 6px; }
.campo input {
  width: 100%; min-height: 56px; border-radius: 14px; border: 2px solid var(--linea);
  background: var(--papel); padding: 0 16px; font-size: 1.4rem; letter-spacing: .2em;
}
.campo input:focus { outline: none; border-color: var(--rojo); }
.login .boton-pri { width: 100%; min-height: 60px; font-size: 1.2rem; }
.error { color: var(--rojo); font-weight: 600; }

/* ---------- Pantalla del abuelo ---------- */
body.abuelo { user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.pantalla-abuelo {
  max-width: 520px; margin: 0 auto; min-height: 100dvh;
  padding: 18px 16px 28px; display: flex; flex-direction: column; gap: 18px;
}
.saludo { display: flex; justify-content: space-between; align-items: baseline; font-size: 1.3rem; }
.saludo time { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }

#pedir { display: flex; flex-direction: column; align-items: center; gap: 14px; flex: 1; justify-content: center; }
.boton-ayuda {
  position: relative; width: min(82vw, 360px); aspect-ratio: 1; border-radius: 50%; border: 0;
  background: radial-gradient(circle at 35% 30%, #ef5a48, var(--rojo) 55%, var(--rojo-osc));
  color: #fff; box-shadow: 0 14px 34px rgba(168, 35, 26, .35), inset 0 -8px 0 rgba(0, 0, 0, .12);
  touch-action: none; transition: transform .15s;
}
.boton-ayuda.cargando { transform: scale(.96); }
.boton-ayuda-texto { display: block; font-size: clamp(2rem, 10vw, 2.8rem); font-weight: 900; line-height: 1.05; letter-spacing: .02em; }
.boton-ayuda-emoji { display: block; font-size: 3.4rem; margin-bottom: 8px; }
.anillo { position: absolute; inset: -10px; width: calc(100% + 20px); height: calc(100% + 20px); transform: rotate(-90deg); pointer-events: none; }
.anillo circle { fill: none; stroke: #f6b73c; stroke-width: 4; stroke-linecap: round; stroke-dasharray: 296; stroke-dashoffset: 296; }
.boton-ayuda.cargando .anillo circle { transition: stroke-dashoffset 1.2s linear; stroke-dashoffset: 0; }
.pista { font-size: 1.25rem; color: var(--suave); margin: 0; text-align: center; }

.opciones { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; margin-top: 8px; }
.opcion {
  position: relative; overflow: hidden; min-height: 84px; border-radius: var(--radio);
  border: 3px solid var(--linea); background: var(--papel); color: var(--tinta);
  font-size: 1.35rem; font-weight: 800; touch-action: none;
}
.opcion-urgente { border-color: #f1b3ab; color: var(--rojo-osc); }
.opcion .relleno { position: absolute; inset: 0; background: rgba(214, 51, 38, .18); transform: scaleX(0); transform-origin: left; }
.opcion.cargando .relleno { transition: transform 1.2s linear; transform: scaleX(1); }
.opcion .txt { position: relative; }

#esperando { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.estado-tarjeta {
  background: var(--papel); border-radius: 28px; padding: 36px 22px; text-align: center;
  box-shadow: var(--sombra); border: 3px solid var(--linea);
}
.estado-tarjeta h1 { font-size: 2.1rem; }
.estado-tarjeta p { font-size: 1.35rem; }
.estado-icono { font-size: 5rem; line-height: 1; margin-bottom: 14px; }
.estado-tarjeta.espera { border-color: #f3c97a; background: var(--ambar-claro); }
.estado-tarjeta.espera .estado-icono { animation: latido 1.6s ease-in-out infinite; }
.estado-tarjeta.viene { border-color: #9ad6b2; background: var(--verde-claro); }
.estado-tarjeta.viene h1 { color: var(--verde); }
.estado-tarjeta.error { border-color: #f1b3ab; }
@keyframes latido { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.12); } }

.llamar h2 { font-size: 1.1rem; color: var(--suave); }
.llamar-lista { display: grid; gap: 10px; }
.boton-llamar {
  display: flex; align-items: center; min-height: 60px; padding: 0 18px; border-radius: 14px;
  background: var(--papel); border: 2px solid var(--linea); color: var(--tinta);
  text-decoration: none; font-size: 1.3rem; font-weight: 700;
}
.sin-conexion { background: var(--ambar-claro); color: var(--ambar); padding: 12px 14px; border-radius: 12px; font-weight: 600; font-size: 1.1rem; }

/* NFC */
.nfc { max-width: 520px; margin: 0 auto; padding: 48px 20px; text-align: center; }
.nfc-icono { font-size: 6rem; }
.nfc h1 { font-size: 2.2rem; }
.nfc .grande { font-size: 1.4rem; font-weight: 600; }
.nfc .boton-sec { margin-top: 20px; min-height: 60px; font-size: 1.2rem; }

/* ---------- Familia ---------- */
.barra { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.barra img { border-radius: 12px; }
.barra p { margin: 0; }
.tarjeta { background: var(--papel); border-radius: var(--radio); padding: 18px; box-shadow: var(--sombra); margin-bottom: 18px; }
.tarjeta .boton-pri { width: 100%; margin-top: 6px; }
.fila { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.fila p { margin: 0; }
.pasos { padding-left: 1.3rem; margin: .4rem 0; }
.pasos li { margin: .35rem 0; }
.ico-compartir { display: inline-block; border: 1.5px solid currentColor; border-radius: 4px; padding: 0 4px; font-size: .85em; }

.alerta-activa {
  position: relative; background: var(--ambar-claro); border: 3px solid #f3c97a; border-radius: 22px;
  padding: 22px 18px; margin-bottom: 22px; text-align: center; box-shadow: var(--sombra);
}
.alerta-activa.urgente { background: #fde4e1; border-color: var(--rojo); animation: pulso 1.4s ease-in-out infinite; }
.alerta-activa.en-camino { background: var(--verde-claro); border-color: #9ad6b2; animation: none; }
@keyframes pulso { 0%, 100% { box-shadow: 0 0 0 0 rgba(214, 51, 38, .35); } 50% { box-shadow: 0 0 0 10px rgba(214, 51, 38, 0); } }
.alerta-emoji { font-size: 3.4rem; line-height: 1; }
.alerta-activa h2 { font-size: 1.45rem; margin-top: 8px; }
.alerta-estado { font-size: 1.1rem; margin: 12px 0; }
.alerta-botones { display: grid; gap: 10px; }
.chip-prueba { display: inline-block; background: #e0e7ff; color: #3730a3; font-size: .72rem; font-weight: 800; padding: 2px 8px; border-radius: 999px; letter-spacing: .05em; vertical-align: middle; }
.alerta-activa .chip-prueba { position: absolute; top: 12px; right: 12px; }

.seccion { font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; color: var(--suave); margin: 22px 0 10px; }
.familia-lista, .historial, .chips { list-style: none; margin: 0; padding: 0; }
.familia-lista li { display: flex; justify-content: space-between; padding: 12px 16px; background: var(--papel); border-bottom: 1px solid var(--linea); }
.familia-lista li:first-child { border-radius: 14px 14px 0 0; }
.familia-lista li:last-child { border-radius: 0 0 14px 14px; border-bottom: 0; }
.historial li { display: flex; gap: 12px; padding: 12px 4px; border-bottom: 1px solid var(--linea); }
.historial .h-emoji { font-size: 1.6rem; line-height: 1.2; }
.historial .suave { font-size: .92rem; }

.enlaces { display: grid; gap: 8px; margin-top: 28px; }
.enlaces a { display: block; padding: 14px 16px; background: var(--papel); border-radius: 14px; text-decoration: none; color: var(--tinta); font-weight: 600; }
.enlaces a:last-child { color: var(--suave); font-weight: 500; }

.chip { background: var(--papel); border-radius: var(--radio); padding: 16px; box-shadow: var(--sombra); margin-bottom: 14px; }
.chip-cab { display: flex; gap: 12px; align-items: center; }
.chip-cab p { margin: 0; font-size: .92rem; }
.chip-emoji { font-size: 2.2rem; }
.chip-url { width: 100%; margin: 12px 0; padding: 10px; border: 1px solid var(--linea); border-radius: 10px; font: 13px ui-monospace, monospace; background: var(--fondo); color: var(--suave); }
.chip-botones { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .boton-ayuda.cargando .anillo circle, .opcion.cargando .relleno { transition-duration: 1.2s !important; }
}