/* Subpágina de etapa: una carta dentro de un sobre (idea del reel «Dear Alice»). El sobre se abre, la carta sube
   con el título de la etapa y las polaroids asoman; al pulsar la carta se despliega el formulario de la wishlist. */
body.etapa { background: var(--etapa); }
.escritorio {
  min-height: calc(100svh - 78px); position: relative; overflow: hidden;
  display: grid; place-items: center; padding: clamp(40px, 8vh, 90px) 16px clamp(48px, 8vh, 96px);
  background-color: color-mix(in srgb, var(--etapa) 55%, #fff);
  background-image:
    linear-gradient(90deg, color-mix(in srgb, var(--etapa) 70%, transparent) 50%, transparent 50%),
    linear-gradient(color-mix(in srgb, var(--etapa) 70%, transparent) 50%, transparent 50%);
  background-size: 64px 64px;
  background-blend-mode: multiply;
}
.escritorio::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 40%, transparent 40%, rgba(80, 20, 40, .12));
}

.mesa { position: relative; z-index: 1; width: min(560px, 86vw); padding-top: clamp(150px, 26vw, 250px); }

/* ---------- Sobre ---------- */
.sobre { --tapa: color-mix(in srgb, var(--etapa) 40%, var(--granate)); --frente: color-mix(in srgb, var(--etapa) 55%, var(--granate)); --dorso: color-mix(in srgb, var(--etapa) 30%, var(--granate-oscuro));
  position: relative; aspect-ratio: 1.42; perspective: 1400px; }
.sobre .trasera { position: absolute; inset: 0; border-radius: 10px; background: var(--dorso); box-shadow: 0 30px 60px rgba(60, 10, 30, .3); }
.sobre .frente {
  position: absolute; inset: 0; z-index: 4; border-radius: 0 0 10px 10px; pointer-events: none;
  background:
    linear-gradient(to top right, transparent 49.6%, rgba(0, 0, 0, .06) 50%, transparent 50.4%) left / 50% 100% no-repeat,
    linear-gradient(to top left, transparent 49.6%, rgba(0, 0, 0, .06) 50%, transparent 50.4%) right / 50% 100% no-repeat,
    var(--frente);
  clip-path: polygon(0 0, 50% 54%, 100% 0, 100% 100%, 0 100%);
}
.sobre .solapa {
  position: absolute; left: 0; right: 0; top: 0; height: 58%; z-index: 5; transform-origin: 50% 0;
  background: var(--tapa); clip-path: polygon(0 0, 100% 0, 50% 100%); border-radius: 10px 10px 0 0;
  transition: transform .8s cubic-bezier(.5, 0, .2, 1), z-index 0s .4s;
}
.sobre.abierto .solapa { transform: rotateX(180deg); z-index: 1; }
.sobre .sello {
  position: absolute; left: 50%; top: 58%; z-index: 6; width: 76px; height: 76px; translate: -50% -50%;
  border-radius: 50%; border: 0; cursor: pointer; padding: 10px;
  background: radial-gradient(circle at 35% 30%, #d4485f, var(--granate) 55%, var(--granate-oscuro));
  box-shadow: 0 6px 14px rgba(60, 10, 30, .35), inset 0 -3px 6px rgba(0, 0, 0, .25);
  transition: opacity .3s ease, transform .3s ease;
}
.sobre .sello img { width: 100%; height: 100%; object-fit: contain; filter: brightness(0) invert(1) opacity(.9); }
.sobre .sello:hover { transform: scale(1.06); }
.sobre.abierto .sello { opacity: 0; pointer-events: none; }

/* ---------- Carta ---------- */
.carta {
  position: absolute; left: 6%; right: 6%; top: 5%; height: 92%; z-index: 2;
  background: #FFFDF9; border-radius: 6px; box-shadow: 0 6px 18px rgba(60, 10, 30, .18);
  padding: clamp(18px, 3.4vw, 30px) clamp(18px, 4vw, 34px); text-align: left; cursor: pointer;
  transition: transform 1s cubic-bezier(.3, 0, .2, 1) .35s, box-shadow .3s ease;
  background-image: repeating-linear-gradient(transparent 0 29px, rgba(176, 40, 72, .07) 29px 30px);
}
.sobre.abierto .carta { transform: translateY(-64%); }
.sobre.abierto .carta:hover { box-shadow: 0 14px 30px rgba(60, 10, 30, .25); transform: translateY(-66%); }
.carta .encabezado-carta { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.carta .nombre-etapa { margin: 0; font: 400 clamp(40px, 7vw, 58px)/.95 var(--fuente-script); color: var(--granate); }
.carta .estampa { flex: none; width: clamp(54px, 9vw, 72px); aspect-ratio: 1; padding: 6px; background: #fff; border: 2px dashed color-mix(in srgb, var(--etapa) 60%, var(--granate)); rotate: 6deg; }
.carta .estampa img { width: 100%; height: 100%; object-fit: contain; }
.carta h1 { margin: 10px 0 6px; font: 500 clamp(19px, 2.8vw, 25px)/1.15 var(--fuente-titulo); color: var(--tinta); text-wrap: balance; }
.carta .texto-carta { margin: 0; font-size: clamp(14px, 1.8vw, 16px); color: var(--tinta-suave); max-width: 40ch; }
.carta .firma { margin: 10px 0 0; font: 600 clamp(22px, 3vw, 28px)/1 var(--fuente-mano); color: var(--granate); }

/* ---------- Polaroids ---------- */
.polaroid {
  position: absolute; z-index: 3; left: 38%; top: 16%; width: clamp(96px, 18vw, 150px); padding: 7px 7px 26px; background: #fff; border: 0; cursor: zoom-in;
  box-shadow: 0 10px 24px rgba(60, 10, 30, .28); transform: rotate(0deg);
  transition: left .9s cubic-bezier(.3, 0, .2, 1) .55s, top .9s cubic-bezier(.3, 0, .2, 1) .55s, transform .9s cubic-bezier(.3, 0, .2, 1) .55s, z-index 0s .6s, box-shadow .25s ease;
}
.polaroid img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.polaroid span { position: absolute; left: 0; right: 0; bottom: 4px; text-align: center; font: 600 15px/1 var(--fuente-mano); color: var(--tinta); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 0 6px; }
.sobre.abierto .polaroid { left: var(--l, 38%); top: var(--t, 16%); transform: rotate(var(--r, 0deg)); z-index: 6; }
.sobre.abierto .polaroid:hover { box-shadow: 0 16px 34px rgba(60, 10, 30, .35); transform: rotate(var(--r, 0deg)) scale(1.05); transition-delay: 0s; }

/* ---------- Notas a mano ---------- */
.nota {
  position: absolute; z-index: 7; margin: 0; font: 700 clamp(18px, 2.6vw, 24px)/1.05 var(--fuente-mano); color: var(--tinta);
  pointer-events: none; transition: opacity .5s ease .9s; white-space: nowrap;
}
.nota svg { position: absolute; width: 46px; height: 40px; overflow: visible; }
.nota svg path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nota.antes { left: calc(50% + 50px); top: calc(clamp(150px, 26vw, 250px) + 64%); }
.nota.antes svg { left: -48px; top: -20px; }
.nota.despues { opacity: 0; }
.sobre.abierto ~ .nota.antes { opacity: 0; transition-delay: 0s; }
.mesa.abierto .nota.despues { opacity: 1; }
.nota.foto { left: calc(100% + 18%); top: calc(clamp(150px, 26vw, 250px) + 2%); }
.nota.foto svg { left: -30px; top: -42px; rotate: 60deg; }
@media (max-width: 900px) { .nota.foto { display: none; } }
.nota.carta-nota { left: 0; right: 0; bottom: -46px; text-align: center; font-size: clamp(16px, 2.2vw, 20px); color: var(--tinta-suave); }
/* Móvil: etapa.js alarga el sobre para que quepa el texto; la carta sube casi entera y la mesa le reserva sitio */
@media (max-width: 639px) {
  .mesa { padding-top: calc(var(--alto-carta, 290px) - 10px); }
  .sobre.abierto .carta, .sobre.abierto .carta:hover { transform: translateY(calc(-100% + 30px)); }
  .polaroid { width: 84px; padding: 5px 5px 20px; }
  .polaroid span { font-size: 12px; }
  .nota.antes { top: calc(var(--alto-carta, 290px) + 54%); }
}

/* ---------- Navegación entre etapas ---------- */
.entre-etapas {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center;
  padding: 18px clamp(16px, 5vw, 64px); background: var(--crema); font-weight: 600; font-size: 15px;
}
.entre-etapas a { text-decoration: none; display: inline-flex; gap: 8px; align-items: center; min-width: 0; }
.entre-etapas a:hover span { text-decoration: underline; text-underline-offset: 4px; }
.entre-etapas .sig { justify-self: end; text-align: right; }
.entre-etapas .todas { justify-self: center; color: var(--granate); }
@media (max-width: 560px) { .entre-etapas { grid-template-columns: 1fr 1fr; } .entre-etapas .todas { grid-column: 1 / -1; order: 3; } }

/* ---------- Formulario (carta desplegada) ---------- */
dialog.carta-formulario {
  width: min(680px, calc(100vw - 24px)); max-height: calc(100svh - 24px); padding: 0; border: 0; border-radius: 10px;
  background: #FFFDF9; color: var(--tinta); box-shadow: 0 40px 100px rgba(60, 10, 30, .4); overflow: auto;
  background-image: repeating-linear-gradient(transparent 0 33px, rgba(176, 40, 72, .06) 33px 34px);
}
dialog.carta-formulario::backdrop { background: rgba(60, 20, 35, .55); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); }
dialog.carta-formulario[open] { animation: desplegar .55s cubic-bezier(.2, .8, .2, 1); }
@keyframes desplegar { from { transform: translateY(40px) scaleY(.6); opacity: 0; } to { transform: none; opacity: 1; } }
.carta-formulario .dentro { padding: clamp(22px, 4vw, 40px); }
.carta-formulario .cerrar { position: sticky; top: 10px; float: right; margin: 10px 10px 0 0; width: 40px; height: 40px; border-radius: 50%; border: 0; background: #fff; box-shadow: 0 4px 14px rgba(0, 0, 0, .15); font-size: 22px; cursor: pointer; z-index: 2; }
.carta-formulario .script { margin: 0; font: 400 clamp(40px, 7vw, 56px)/1 var(--fuente-script); color: var(--granate); }
.carta-formulario .sub { margin: 6px 0 22px; color: var(--tinta-suave); }
.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.campo { display: grid; gap: 6px; min-width: 0; }
.campo.ancho { grid-column: 1 / -1; }
.campo > span, .campo legend { font: 600 12px/1.2 var(--fuente-texto); letter-spacing: .07em; text-transform: uppercase; color: var(--tinta-suave); }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1.5px solid #E8D5DA; background: #fff; font-size: 16px;
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--granate); box-shadow: 0 0 0 3px rgba(176, 40, 72, .15); }
.campo.error input, .campo.error select { border-color: var(--granate); background: #FFF4F6; }
.campo fieldset { border: 0; padding: 0; margin: 0; display: flex; gap: 10px; flex-wrap: wrap; }
.opcion { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; border: 1.5px solid #E8D5DA; background: #fff; cursor: pointer; font-size: 15px; }
.opcion:has(input:checked) { border-color: var(--granate); background: #FFF0F3; color: var(--granate); }
.opcion input { accent-color: var(--granate); }
@media (max-width: 560px) { .campos { grid-template-columns: 1fr; } }

.wishlist { grid-column: 1 / -1; border: 1.5px dashed color-mix(in srgb, var(--etapa) 50%, var(--granate)); border-radius: 14px; padding: 14px; background: color-mix(in srgb, var(--etapa) 18%, #fff); }
.wishlist .titulo-wl { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 10px; margin: 0 0 10px; }
.wishlist .titulo-wl strong { font: 400 30px/1 var(--fuente-script); color: var(--granate); white-space: nowrap; }
.wishlist .titulo-wl small { color: var(--tinta-suave); }
.nuevo-deseo { display: grid; grid-template-columns: 2fr 1.4fr .9fr auto; gap: 8px; }
.nuevo-deseo input { padding: 10px 11px; border-radius: 10px; border: 1.5px solid #E8D5DA; background: #fff; font-size: 15px; min-width: 0; }
.nuevo-deseo button { padding: 10px 14px; }
@media (max-width: 560px) { .nuevo-deseo { grid-template-columns: 1fr 1fr; } .nuevo-deseo .que { grid-column: 1 / -1; } }
.deseos { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.deseos li { display: grid; grid-template-columns: auto 1fr auto auto auto; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 12px; background: #fff; box-shadow: 0 2px 8px rgba(60, 10, 30, .06); }
.deseos .lazo { width: 26px; height: 26px; }
.deseos .que { font-weight: 600; min-width: 0; overflow-wrap: anywhere; }
.deseos .que a { color: var(--granate); font-weight: 500; font-size: 13px; margin-left: 6px; }
.deseos .precio { font-variant-numeric: tabular-nums; color: var(--tinta-suave); font-size: 14px; }
.deseos .compartir { display: inline-flex; gap: 6px; align-items: center; font-size: 12px; color: var(--tinta-suave); white-space: nowrap; }
.deseos .compartir input { accent-color: var(--granate); }
.deseos .quitar { border: 0; background: none; cursor: pointer; font-size: 20px; color: var(--tinta-suave); padding: 0 4px; }
.deseos .vacio { background: none; box-shadow: none; color: var(--tinta-suave); font-size: 14px; grid-template-columns: 1fr; padding: 4px 2px; }
@media (max-width: 560px) { .deseos li { grid-template-columns: auto 1fr auto auto; } .deseos .compartir { grid-row: 2; grid-column: 2 / -1; } }

.acciones-form { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 22px; }
.acciones-form .aviso { margin: 0; font-size: 12px; color: var(--tinta-suave); }
.mensaje-error { color: var(--granate); font-weight: 600; font-size: 14px; margin: 12px 0 0; }

.resumen .lista-resumen { list-style: none; padding: 0; margin: 14px 0; display: grid; gap: 6px; }
.resumen .lista-resumen li { display: flex; gap: 10px; }
.resumen .lista-resumen li::before { content: "✦"; color: var(--oro); }
.resumen .datos { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 0 0 14px; font-size: 15px; }
.resumen .datos dt { color: var(--tinta-suave); }
.resumen .datos dd { margin: 0; font-weight: 600; }
.resumen .enlace-lista { display: flex; gap: 8px; align-items: center; padding: 10px 12px; border-radius: 12px; background: #fff; border: 1.5px solid #E8D5DA; font-size: 14px; overflow-wrap: anywhere; }
.resumen .compartir-en { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* ---------- Visor de fotos ---------- */
dialog.visor { padding: 12px 12px 40px; border: 0; background: #fff; box-shadow: 0 30px 80px rgba(0, 0, 0, .45); max-width: min(92vw, 720px); rotate: -1.5deg; }
dialog.visor::backdrop { background: rgba(30, 10, 20, .7); }
dialog.visor img { max-height: 76svh; width: auto; margin: 0 auto; }
dialog.visor p { position: absolute; left: 0; right: 0; bottom: 8px; margin: 0; text-align: center; font: 700 22px/1 var(--fuente-mano); }
dialog.visor button { position: absolute; top: -14px; right: -14px; width: 40px; height: 40px; border-radius: 50%; border: 0; background: #fff; box-shadow: 0 4px 14px rgba(0, 0, 0, .25); font-size: 22px; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  .sobre .solapa, .carta, .polaroid, .nota { transition: none; }
  dialog.carta-formulario[open] { animation: none; }
}