/* =========================================================
   builder.css — Creador de tortas (/builder, Fase 3)
   ---------------------------------------------------------
   Requiere tokens.css, components.css y public.css.
   Estructura: indicador de pasos, pasos (.wizard-step),
   barra de navegación (fija abajo en celular) y resumen en
   vivo (columna lateral fija en escritorio).
   Las tarjetas de opciones las crea store.js (.select-card).
   ========================================================= */

.builder {
  padding: var(--space-7) 0 var(--space-8);
  scroll-margin-top: calc(var(--header-height) + var(--space-3));
}

.builder-grid {
  display: grid;
  gap: var(--space-7);
  align-items: start;
}

.builder-main { min-width: 0; }


/* ---------- Indicador de pasos ---------- */
.progress-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.step {
  position: relative;
  display: grid;
  justify-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  text-align: center;
}

/* Línea que une los círculos; se pinta cuando el paso está hecho */
.step::before {
  content: "";
  position: absolute;
  top: 19px;
  right: 50%;
  width: 100%;
  height: 3px;
  background: var(--rose-200);
  z-index: -1;
}
.step:first-child::before { display: none; }
.step.active::before { background: var(--rose-600); transition: background-color var(--dur-base) var(--ease-out); }

.step-dot {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--rose-200);
  border-radius: 50%;
  background: var(--white);
  color: var(--text-muted);
  font-weight: var(--fw-bold);
  transition:
    background-color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
.step.is-done .step-dot { border-color: var(--rose-600); background: var(--rose-600); color: var(--white); }
.step.is-current .step-dot { border-color: var(--ink); background: var(--ink); color: var(--white); transform: scale(1.08); }
.step.is-current, .step.is-done { color: var(--ink); }
.step.is-done { cursor: pointer; }

/* En celular solo se ve la etiqueta del paso actual */
.step-label { display: none; }
.step.is-current .step-label { display: block; }
@media (min-width: 30rem) {
  .step-label { display: block; }
}


/* ---------- Pasos ---------- */
.wizard-step { display: none; }
.wizard-step.active {
  display: block;
  animation: step-in var(--dur-slow) var(--ease-out);
}
.wizard-step.active.from-left { animation-name: step-in-back; }

@keyframes step-in {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: none; }
}
@keyframes step-in-back {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: none; }
}

.step-heading {
  margin: 0 0 var(--space-2);
  color: var(--ink);
  font-size: var(--fs-h2);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-heading);
  line-height: 1.05;
}
.step-heading:focus { outline: none; }
.step-heading--sub {
  margin-top: var(--space-7);
  font-size: clamp(1.5rem, 1.25rem + 1vw, 2rem);
}

.step-help {
  margin: 0 0 var(--space-5);
  color: var(--rose-800);
}

/* Mensaje de validación del paso */
.step-message {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin: var(--space-5) 0 0;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--cherry-50);
  color: var(--cherry-700);
  font-weight: var(--fw-medium);
}
.step-message:focus { outline: none; }
.step-message--top { margin: 0 0 var(--space-4); }
.step-message:not([hidden]) { animation: message-in var(--dur-base) var(--ease-out); }
@keyframes message-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}


/* ---------- Tarjetas de opción (las crea store.js) ---------- */
.cards-grid {
  display: grid;
  gap: var(--space-3);
}
.size-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.coverage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.select-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-height: 44px;
  padding: var(--space-4);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  color: var(--ink);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  text-align: left;
  cursor: pointer;
  user-select: none;
  transition:
    border-color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out),
    transform var(--dur-press) var(--ease-out);
}
.select-card:active { transform: scale(0.97); }

@media (hover: hover) and (pointer: fine) {
  .select-card:hover { border-color: var(--rose-300); }
}

/* Elegida: borde de tinta, fondo rosa y tilde */
.select-card.selected {
  border-color: var(--ink);
  background: var(--rose-100);
}

.option-check {
  position: absolute;
  top: 10px;
  right: 10px;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  opacity: 0;
  transform: scale(0.6);
  transition:
    opacity var(--dur-fast) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
.option-check svg { width: 14px; height: 14px; }
.select-card.selected .option-check { opacity: 1; transform: none; }

/* Tamaño: número de porciones grande */
.size-portions {
  font-size: 2rem;
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  line-height: 1;
}
.size-unit {
  color: var(--rose-800);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
}
.size-name {
  margin-top: var(--space-1);
  color: var(--text-muted);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
}
.select-card .price {
  margin-top: var(--space-2);
  color: var(--ink);
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
}

/* Cobertura: ícono + nombre + descripción */
.coverage-card { padding: var(--space-5) var(--space-4); }
.coverage-icon { width: 44px; height: 44px; margin-bottom: var(--space-2); color: var(--rose-600); }
.coverage-name { font-size: 1.25rem; font-weight: var(--fw-black); }
.coverage-desc { color: var(--text-muted); font-size: var(--fs-small); font-weight: var(--fw-medium); }

/* Bizcochuelos y rellenos: chips en dos columnas */
.options-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}
.chip-option {
  justify-content: center;
  min-height: 56px;
  padding: var(--space-3) 40px var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  /* Nombres largos: se cortan por sílabas con guion (html lang="es") y solo
     parten una palabra si de verdad no entra */
  overflow-wrap: break-word;
  hyphens: auto;
}
.chip-option .option-check { top: 50%; margin-top: -12px; }
.chip-option.selected .option-check { transform: none; }

/* Al llegar al límite, las opciones no elegidas se atenúan (se pueden tocar para ver el aviso) */
.select-card.is-limited {
  opacity: 0.45;
}


/* ---------- Detalles y resumen del paso 5 ---------- */
.review-list,
.summary-list {
  display: grid;
  gap: 0;
  margin: var(--space-4) 0;
}
.review-list > div,
.summary-list > div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
}
.review-list dt,
.summary-list dt {
  color: var(--text-muted);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
}
.review-list dd,
.summary-list dd {
  margin: 0;
  color: var(--ink);
  font-weight: var(--fw-semibold);
  overflow-wrap: break-word;
  hyphens: auto;
}
.summary-list > div.is-empty dd { color: var(--text-muted); font-weight: var(--fw-regular); }

.review-total,
.summary-price {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: var(--space-4) 0;
  color: var(--ink);
  font-weight: var(--fw-semibold);
}
.review-total strong,
.summary-price strong {
  font-size: clamp(2rem, 1.6rem + 1.6vw, 2.75rem);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* El precio "late" apenas cuando cambia */
[data-sum="price"].is-bumped { animation: price-bump 360ms var(--ease-out); }
@keyframes price-bump {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}
[data-sum="price"] { display: inline-block; transform-origin: right center; }
/* Todavía no hay precio: el guion en negro y grande parecía una barra; se muestra liviano */
[data-sum="price"].is-empty { color: var(--rose-600); font-weight: var(--fw-medium); }   /* liviano pero con contraste suficiente (≥3:1) */


/* ---------- Navegación entre pasos ----------
   En celular: barra fija abajo con el precio y los botones.
   En escritorio: fila debajo del paso (el precio está en la columna lateral). */
.builder-nav {
  position: sticky;
  bottom: 0;
  z-index: var(--z-raised);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;            /* si precio y botones no entran (320 px y precios altos), los botones bajan */
  gap: var(--space-2) var(--space-3);
  margin: var(--space-6) calc(var(--gutter) * -1) 0;
  padding: var(--space-3) var(--gutter) calc(var(--space-3) + env(safe-area-inset-bottom));
  background: var(--white);
  box-shadow: 0 -1px 0 var(--line), 0 -12px 28px -16px rgb(72 23 41 / 0.25);
}

.builder-nav-price {
  display: grid;
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-small);
  line-height: 1.2;
}
.builder-nav-price strong {
  color: var(--ink);
  font-size: 1.375rem;
  font-weight: var(--fw-black);
  font-variant-numeric: tabular-nums;
  transform-origin: left center;
}

.builder-nav-buttons {
  display: flex;
  gap: var(--space-2);
  margin-left: auto;
}
.builder-nav-buttons .button { padding: 0 var(--space-4); }


/* ---------- Resumen lateral (escritorio) ---------- */
.builder-summary { display: none; }

@media (min-width: 64rem) {
  .builder-grid {
    grid-template-columns: minmax(0, 1fr) 22rem;
    gap: var(--space-8);
  }

  .size-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .options-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .builder-nav {
    position: static;
    margin: var(--space-7) 0 0;
    padding: var(--space-5) 0 0;
    background: transparent;
    box-shadow: 0 -1px 0 var(--line);
  }
  .builder-nav-price strong { display: none; }   /* el precio está en el resumen lateral */
  .builder-nav-buttons .button { min-height: 52px; padding: 0 var(--space-6); }

  .builder-summary {
    position: sticky;
    top: calc(var(--header-height) + var(--space-5));
    display: block;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    background: var(--rose-100);
  }
  .summary-title {
    margin: 0;
    color: var(--ink);
    font-size: var(--fs-h3);
    font-weight: var(--fw-black);
  }
  .summary-list > div { grid-template-columns: 6.5rem 1fr; border-bottom-color: rgb(72 23 41 / 0.12); }
  .summary-note { margin: 0; color: var(--rose-800); font-size: var(--fs-small); }
}


/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  /* Sin desplazamiento lateral: el paso nuevo solo aparece con un fundido */
  .wizard-step.active,
  .wizard-step.active.from-left { animation-name: fade-in; }
  .step-message:not([hidden]) { animation-name: fade-in; }
  .select-card:active { transform: none; }
  .option-check { transform: none; transition: opacity var(--dur-fast) ease; }
  .step.is-current .step-dot { transform: none; }
  [data-sum="price"].is-bumped { animation: none; }
}


/* Aviso cuando no llegan los tamaños del servidor (store.js): ocupa toda la grilla */
.builder-unavailable {
  grid-column: 1 / -1;
  display: grid;
  justify-items: start;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--rose-100);
  color: var(--text-strong);
}
.builder-unavailable p { margin: 0; }