:root {
  --bg: #000;
  --fill: #1c1c1e;
  --fill-strong: #2c2c2e;
  --ink: #f5f5f7;
  --muted: rgba(235, 235, 245, 0.6);
  --accent: #ff2d55;
  --ok: #30d158;
  --danger: #ff453a;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pad: max(20px, env(safe-area-inset-left));
}

* {
  box-sizing: border-box;
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--ink);
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.app {
  min-height: 100svh;
  min-height: 100dvh;
}

.progreso {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  z-index: 30;
  opacity: 0;
}

.app.cargando .progreso {
  opacity: 1;
  width: 40%;
  animation: carga 1.2s var(--ease) infinite;
}

@keyframes carga {
  0% {
    transform: translateX(-120%);
  }
  100% {
    transform: translateX(350%);
  }
}

.escena {
  width: min(100%, 40rem);
  margin: 0 auto;
  padding: 12vh 24px 48px;
  animation: entrar 0.55s var(--ease) both;
}

.marca {
  text-align: center;
}

.marca img {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
}

.marca h1 {
  margin-top: 16px;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.045em;
}

.marca p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.4;
}

.captura {
  display: flex;
  gap: 10px;
  margin-top: 36px;
}

.campo {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  border-radius: 12px;
  background: var(--fill);
  overflow: hidden;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}

.captura input,
.captura button {
  -webkit-tap-highlight-color: transparent;
}

.captura input {
  display: block;
  width: 100%;
  height: 44px;
  margin: 0;
  padding: 12px 16px;
  border: 0;
  border-radius: 0;
  outline: none;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  color: var(--ink);
  caret-color: var(--accent);
  font: inherit;
  font-size: 16px;
  line-height: 1.25;
}

.captura input::placeholder {
  color: var(--muted);
  opacity: 1;
  line-height: normal;
}

.captura input:focus {
  background: transparent;
}

.campo:focus-within {
  background: var(--fill-strong);
}

.captura input::-webkit-search-decoration,
.captura input::-webkit-search-cancel-button,
.captura input::-webkit-contacts-auto-fill-button,
.captura input::-webkit-credentials-auto-fill-button {
  display: none;
  visibility: hidden;
  pointer-events: none;
}

.captura button {
  appearance: none;
  -webkit-appearance: none;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0 18px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.16s var(--ease), filter 0.16s ease, opacity 0.16s ease;
}

.captura button:hover:not(:disabled) {
  filter: brightness(1.08);
}

.captura button:active:not(:disabled) {
  transform: scale(0.97);
}

.captura button:disabled {
  opacity: 0.45;
  cursor: wait;
}

.estado {
  min-height: 1.4rem;
  margin-top: 14px;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.estado.ok {
  color: var(--ok);
}

.estado.error,
.aviso {
  color: var(--danger);
}

.aviso {
  margin-top: 20px;
  text-align: center;
  font-size: 0.92rem;
}

@keyframes entrar {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .escena {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100svh;
    min-height: 100dvh;
    padding: calc(28px + env(safe-area-inset-top)) var(--pad)
      calc(28px + env(safe-area-inset-bottom));
  }

  .marca img {
    width: 64px;
    height: 64px;
    border-radius: 16px;
  }

  .marca h1 {
    margin-top: 18px;
    font-size: clamp(2rem, 9vw, 2.6rem);
  }

  .marca p {
    max-width: 20rem;
    margin: 10px auto 0;
    font-size: 1.05rem;
  }

  .captura {
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
  }

  .campo {
    border-radius: 14px;
  }

  .captura input,
  .captura button {
    width: 100%;
    height: 52px;
  }

  .captura input {
    padding: 16px;
    line-height: 1.25;
    border-radius: 0;
  }

  .captura button {
    border-radius: 14px;
  }

  .captura button {
    font-size: 1.05rem;
  }

  .estado {
    margin-top: 16px;
    font-size: 0.98rem;
    padding: 0 4px;
  }
}

@media (max-width: 380px) {
  .marca h1 {
    font-size: 1.85rem;
  }

  .marca p {
    font-size: 0.98rem;
  }
}

@media (max-height: 500px) and (orientation: landscape) {
  .escena {
    justify-content: flex-start;
    padding-top: calc(20px + env(safe-area-inset-top));
  }

  .marca img {
    width: 40px;
    height: 40px;
  }

  .marca h1 {
    margin-top: 10px;
    font-size: 1.6rem;
  }

  .captura {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before {
    animation: none !important;
    transition: none !important;
  }
}