:root {
  color-scheme: light dark;
  --fondo: #fff8f7;
  --tarjeta: #ffffff;
  --texto: #231918;
  --suave: #6b5b59;
  --borde: #e2d3d0;
  --marca: #b3261e;
  --sobre-marca: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #1a1110;
    --tarjeta: #271d1c;
    --texto: #f1dedc;
    --suave: #bfaeab;
    --borde: #4a3d3b;
    --marca: #ffb4ab;
    --sobre-marca: #561e19;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header {
  padding: 16px;
  font-weight: 600;
  font-size: 18px;
}

header a {
  color: inherit;
  text-decoration: none;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

h1 {
  font-size: 24px;
  line-height: 1.25;
  margin: 8px 0;
}

h2 {
  font-size: 16px;
  margin: 0 0 8px;
}

.tarjeta {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
}

.suave {
  color: var(--suave);
}

.error {
  color: var(--marca);
  font-weight: 500;
  margin: 8px 0 0;
}

label {
  display: block;
  font-size: 14px;
  margin: 12px 0 4px;
}

input {
  width: 100%;
  padding: 12px;
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--suave);
  border-radius: 8px;
}

button {
  min-height: 48px;
  padding: 0 20px;
  font: inherit;
  font-weight: 600;
  color: var(--sobre-marca);
  background: var(--marca);
  border: 0;
  border-radius: 24px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

button.ancho {
  width: 100%;
  margin-top: 16px;
}

button.discreto {
  min-height: 40px;
  padding: 0 12px;
  color: var(--texto);
  background: transparent;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
  overflow-wrap: anywhere;
}

li a {
  color: inherit;
  font-weight: 500;
}

.fila {
  display: flex;
  gap: 8px;
  align-items: center;
}

.fila input {
  flex: 1;
  min-width: 0;
}

.destinatario {
  font-size: 32px;
  font-weight: 700;
  color: var(--marca);
  margin: 4px 0 12px;
  overflow-wrap: anywhere;
}