:root {
  --fondo: #f3f5f4;
  --superficie: #ffffff;
  --texto: #14201b;
  --sutil: #5d6b65;
  --borde: #dde3e0;
  --marca: #0f6b4f;
  --marca-texto: #ffffff;
  --aprobar: #157a3c;
  --rechazar: #b3261e;
  --alerta: #a15c00;
  --alerta-fondo: #fff3df;
  --sombra: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 14px rgba(0, 0, 0, .06);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #0e1412;
    --superficie: #18211d;
    --texto: #e7eeea;
    --sutil: #9aaba3;
    --borde: #2a3631;
    --marca: #1f9a73;
    --aprobar: #2fae5f;
    --rechazar: #f0645a;
    --alerta: #ffb547;
    --alerta-fondo: #2e2414;
    --sombra: none;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--fondo);
  color: var(--texto);
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  min-height: 100dvh;
}

[hidden] { display: none !important; }

button, input { font: inherit; }

.barra {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--marca);
  color: var(--marca-texto);
  padding: calc(10px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 10px calc(16px + env(safe-area-inset-left));
}

.marca { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; }
.marca img { border-radius: 7px; }
.titulo-marca { display: flex; flex-direction: column; line-height: 1.15; }
.titulo-marca small { font-size: 12px; font-weight: 500; opacity: .85; }
.empresa-tag { display: inline-block; font-size: 12px; color: var(--sutil); margin-left: 6px; }
.acciones-barra { display: flex; align-items: center; gap: 12px; }

.icono {
  background: rgba(255, 255, 255, .16);
  color: inherit;
  border: 0;
  border-radius: 8px;
  padding: 6px 12px;
  min-height: 36px;
}

.punto { width: 10px; height: 10px; border-radius: 50%; background: #ffcf5c; }
.punto.ok { background: #7dffb3; }

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px calc(16px + env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));
}

h1 { font-size: 24px; margin: 8px 0 4px; }
h2 { font-size: 19px; margin: 0 0 8px; }
.sutil { color: var(--sutil); margin: 0 0 16px; }

label { display: block; font-size: 14px; color: var(--sutil); margin-bottom: 14px; }

input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  background: var(--superficie);
  color: var(--texto);
  font-size: 17px;
}

.login { padding-top: 24px; }
.error { color: var(--rechazar); min-height: 1.4em; margin: 0 0 10px; }

.primario, .secundario, .aprobar, .rechazar {
  border: 0;
  border-radius: 10px;
  padding: 12px 18px;
  min-height: 48px;
  font-weight: 600;
  cursor: pointer;
}
.primario { background: var(--marca); color: #fff; }
.secundario { background: transparent; color: var(--texto); border: 1px solid var(--borde); }
.aprobar { background: var(--aprobar); color: #fff; }
.rechazar { background: transparent; color: var(--rechazar); border: 1px solid var(--rechazar); }
.ancho { width: 100%; }
.chico { min-height: 36px; padding: 6px 14px; }
button:disabled { opacity: .55; }

.aviso {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  background: var(--alerta-fondo);
  color: var(--texto);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 14px;
  font-size: 14px;
}

.pestanas {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 14px;
}
.pestanas button {
  border: 0;
  background: transparent;
  color: var(--sutil);
  padding: 10px;
  border-radius: 9px;
  font-weight: 600;
  min-height: 42px;
}
.pestanas button.activa { background: var(--marca); color: #fff; }

.contador {
  display: inline-block;
  min-width: 22px;
  padding: 0 6px;
  border-radius: 11px;
  background: rgba(255, 255, 255, .25);
  font-size: 13px;
}

.lista { display: grid; gap: 12px; }

.tarjeta {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 14px;
  box-shadow: var(--sombra);
}
.tarjeta.nueva { animation: resaltar 1.6s ease-out; }
@keyframes resaltar { from { outline: 3px solid var(--marca); } to { outline: 3px solid transparent; } }

.cabecera { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.operacion { font-size: 18px; font-weight: 700; }
.tiempo { font-variant-numeric: tabular-nums; color: var(--alerta); font-weight: 600; font-size: 14px; white-space: nowrap; }

.tasa { font-size: 30px; font-weight: 700; margin: 6px 0 2px; font-variant-numeric: tabular-nums; }
.rango { color: var(--alerta); font-size: 14px; margin-bottom: 10px; }

.datos { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 14px; margin: 0 0 12px; }
.datos dt { color: var(--sutil); }
.datos dd { margin: 0; overflow-wrap: anywhere; }

.botones { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.estado { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.estado.aprobada { background: color-mix(in srgb, var(--aprobar) 18%, transparent); color: var(--aprobar); }
.estado.rechazada { background: color-mix(in srgb, var(--rechazar) 18%, transparent); color: var(--rechazar); }
.estado.expirada, .estado.cancelada { background: color-mix(in srgb, var(--sutil) 18%, transparent); color: var(--sutil); }

.nueva-empresa { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin-bottom: 14px; }
.nueva-empresa input { margin-top: 0; }
.clave { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 15px; margin: 0 0 14px; }
.botones.tres { grid-template-columns: 1fr 1fr 1fr; }
.botones button.chico { min-height: 40px; padding: 8px 6px; font-size: 14px; }

.vacio { text-align: center; color: var(--sutil); padding: 40px 0; }

dialog {
  border: 0;
  border-radius: 16px;
  padding: 20px;
  width: min(420px, calc(100vw - 32px));
  background: var(--superficie);
  color: var(--texto);
}
dialog::backdrop { background: rgba(0, 0, 0, .45); }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: #222;
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  max-width: calc(100vw - 32px);
  z-index: 20;
}

/* Invitación a instalar */
.instalar {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0, 0, 0, .45);
  padding: 16px 16px calc(16px + env(safe-area-inset-bottom));
}
.instalar-tarjeta {
  width: 100%;
  max-width: 440px;
  background: var(--superficie);
  color: var(--texto);
  border-radius: 18px;
  padding: 20px;
  text-align: center;
}
.instalar-tarjeta img { border-radius: 12px; margin-bottom: 8px; }
.instalar-tarjeta p { color: var(--sutil); margin: 0 0 14px; }
.pasos-ios { text-align: left; margin: 0 0 16px; padding-left: 22px; }
.pasos-ios li { margin-bottom: 8px; }
.ico-compartir {
  display: inline-block;
  width: 16px;
  height: 18px;
  vertical-align: -3px;
  border: 2px solid var(--marca);
  border-top: 0;
  border-radius: 0 0 3px 3px;
  position: relative;
}
.ico-compartir::before {
  content: "";
  position: absolute;
  left: 5px;
  top: -6px;
  width: 2px;
  height: 12px;
  background: var(--marca);
}