/* ─────────────────────────────────────────────────────────────────────────────
   XPikeGear Catalog — Frontend CSS
   Todas las medidas en rem/em. Solo bordes de 1px en px.
   ───────────────────────────────────────────────────────────────────────────── */

:root {
  --xpk-accent:      #FF6B00;
  --xpk-accent-dark: #cc5500;
  --xpk-text:        #1a1a1a;
  --xpk-text-muted:  #666;
  --xpk-bg:          #fff;
  --xpk-bg-subtle:   #f5f5f5;
  --xpk-border:      #e0e0e0;
  --xpk-radius:      0.75rem;
  --xpk-shadow:      0 0.125rem 0.75rem rgba(0,0,0,.08);
  --xpk-shadow-lg:   0 0.5rem 2rem rgba(0,0,0,.18);
  --xpk-transition:  0.2s ease;
  --xpk-col:         3;          /* sobreescrito por data-columns vía JS */
}

/* ── Spinner ─────────────────────────────────────────────────────────────── */

.xpk-spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 0.2rem solid var(--xpk-border);
  border-top-color: var(--xpk-accent);
  border-radius: 50%;
  animation: xpk-spin 0.7s linear infinite;
}

@keyframes xpk-spin { to { transform: rotate(360deg); } }

.xpk-catalog-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 3rem 0;
}

.xpk-catalog-loading.xpk-hidden { display: none; }

/* ── Grid ────────────────────────────────────────────────────────────────── */

.xpk-catalog-grid {
  display: grid;
  grid-template-columns: repeat(var(--xpk-col), 1fr);
  gap: 1.25rem;
}

@media (max-width: 48em) {
  .xpk-catalog-grid { grid-template-columns: repeat(var(--xpk-col-tablet, 2), 1fr); }
}

@media (max-width: 30em) {
  .xpk-catalog-grid { grid-template-columns: repeat(var(--xpk-col-mobile, 1), 1fr); }
}

/* ── Card ────────────────────────────────────────────────────────────────── */

.xpk-card {
  background: var(--xpk-bg);
  border-radius: var(--xpk-radius);
  box-shadow: var(--xpk-shadow);
  overflow: hidden;
  transition: box-shadow var(--xpk-transition), transform var(--xpk-transition);
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-direction: column;
}

.xpk-card:hover,
.xpk-card:focus-within {
  box-shadow: var(--xpk-shadow-lg);
  transform: translateY(-0.125rem);
}

/* Imagen */
.xpk-card__img-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--xpk-bg-subtle);
}

.xpk-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.xpk-card:hover .xpk-card__img { transform: scale(1.03); }

/* Icono de hint (lupa) */
.xpk-card__hint {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  width: 1.75rem;
  height: 1.75rem;
  background: rgba(255,255,255,0.88);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity var(--xpk-transition), transform var(--xpk-transition);
  pointer-events: none;
}

.xpk-card:hover .xpk-card__hint {
  opacity: 1;
  transform: scale(1.12);
}

/* Cuerpo */
.xpk-card__body {
  padding: 0.875rem 1rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.xpk-card__line {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--xpk-accent);
  margin: 0;
}

.xpk-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--xpk-text);
  margin: 0;
  line-height: 1.3;
}

.xpk-card__piece-type {
  font-size: 0.8rem;
  color: var(--xpk-text-muted);
  margin: 0;
}

/* Dots de color */
.xpk-card__dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.5rem;
}

.xpk-card__dot {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.15);
  cursor: pointer;
  padding: 0;
  background: transparent;
  transition: transform var(--xpk-transition), box-shadow var(--xpk-transition);
  flex-shrink: 0;
}

.xpk-card__dot:hover,
.xpk-card__dot:focus-visible {
  transform: scale(1.25);
  box-shadow: 0 0 0 0.15rem rgba(0,0,0,0.2);
  outline: none;
}

.xpk-card__dot[aria-pressed="true"] {
  box-shadow: 0 0 0 0.18rem var(--xpk-accent);
}

/* ── Paginación ──────────────────────────────────────────────────────────── */

.xpk-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.xpk-pagination__btn {
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.6rem;
  border: 1px solid var(--xpk-border);
  border-radius: 0.4rem;
  background: var(--xpk-bg);
  color: var(--xpk-text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background var(--xpk-transition), color var(--xpk-transition), border-color var(--xpk-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.xpk-pagination__btn:hover,
.xpk-pagination__btn:focus-visible {
  border-color: var(--xpk-accent);
  color: var(--xpk-accent);
  outline: none;
}

.xpk-pagination__btn.is-active {
  background: var(--xpk-accent);
  border-color: var(--xpk-accent);
  color: #fff;
  font-weight: 700;
}

.xpk-pagination__btn:disabled {
  opacity: 0.4;
  cursor: default;
}

/* ── Modal ───────────────────────────────────────────────────────────────── */

.xpk-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.xpk-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.xpk-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  cursor: pointer;
}

.xpk-modal__box {
  position: relative;
  background: var(--xpk-bg);
  border-radius: var(--xpk-radius);
  box-shadow: var(--xpk-shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 56rem;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.96) translateY(0.5rem);
  transition: transform 0.25s ease;
}

.xpk-modal.is-open .xpk-modal__box {
  transform: scale(1) translateY(0);
}

@media (max-width: 40em) {
  .xpk-modal__box {
    grid-template-columns: 1fr;
    max-height: 95vh;
    overflow-y: auto;
  }
}

/* Botón cerrar */
.xpk-modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  width: 2rem;
  height: 2rem;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--xpk-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background var(--xpk-transition);
}

.xpk-modal__close:hover { background: #fff; }

/* Media */
.xpk-modal__media {
  background: var(--xpk-bg-subtle);
  display: flex;
  flex-direction: column;
}

.xpk-modal__stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 16rem;
}

.xpk-modal__img {
  max-width: 100%;
  max-height: 28rem;
  object-fit: contain;
  display: block;
  transition: opacity 0.2s ease;
}

.xpk-modal__img.is-loading { opacity: 0; }

/* Thumbnails */
.xpk-modal__thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.6rem;
  justify-content: center;
}

.xpk-modal__thumb {
  width: 3.5rem;
  height: 3.5rem;
  object-fit: cover;
  border-radius: 0.375rem;
  border: 0.125rem solid transparent;
  cursor: pointer;
  transition: border-color var(--xpk-transition);
  list-style: none;
}

.xpk-modal__thumb.is-active { border-color: var(--xpk-accent); }
.xpk-modal__thumb:hover     { border-color: var(--xpk-accent); }

/* Info */
.xpk-modal__info {
  padding: 1.75rem 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.xpk-modal__line {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--xpk-accent);
  margin: 0;
}

.xpk-modal__title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--xpk-text);
  margin: 0;
  line-height: 1.2;
}

.xpk-modal__piece-type {
  font-size: 0.8rem;
  color: var(--xpk-text-muted);
  margin: 0;
}

.xpk-modal__desc {
  font-size: 0.9rem;
  color: var(--xpk-text-muted);
  line-height: 1.6;
  margin: 0.25rem 0 0;
}

/* Color dots modal */
.xpk-modal__colors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.xpk-modal__dot {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.15);
  cursor: pointer;
  padding: 0;
  background: transparent;
  transition: transform var(--xpk-transition), box-shadow var(--xpk-transition);
}

.xpk-modal__dot:hover,
.xpk-modal__dot:focus-visible {
  transform: scale(1.2);
  outline: none;
}

.xpk-modal__dot[aria-pressed="true"] {
  box-shadow: 0 0 0 0.2rem var(--xpk-accent);
  transform: scale(1.1);
}

.xpk-modal__color-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--xpk-text);
  margin: 0.1rem 0 0;
  min-height: 1.2em;
}

/* Botón CTA modal */
.xpk-modal__btn {
  margin-top: auto;
  padding: 0.875rem 1.25rem;
  background: var(--xpk-accent);
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  text-align: center;
  transition: background var(--xpk-transition), transform var(--xpk-transition);
  letter-spacing: 0.02em;
}

.xpk-modal__btn:hover { background: var(--xpk-accent-dark); }
.xpk-modal__btn:active { transform: scale(0.98); }

/* ── Filtros ──────────────────────────────────────────────────────────────── */

.xpk-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.xpk-filters--vertical {
  flex-direction: column;
  gap: 1.25rem;
}

.xpk-filters__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.xpk-filters--horizontal .xpk-filters__group {
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.xpk-filters__group-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--xpk-text-muted);
  white-space: nowrap;
}

.xpk-filters--horizontal .xpk-filters__group-label {
  margin-right: 0.25rem;
}

/* Checkbox options */
.xpk-filter-option {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.xpk-filter-check {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.xpk-filter-check + label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--xpk-border);
  border-radius: 2rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color var(--xpk-transition), background var(--xpk-transition), color var(--xpk-transition);
  white-space: nowrap;
}

.xpk-filter-check:checked + label {
  background: var(--xpk-accent);
  border-color: var(--xpk-accent);
  color: #fff;
  font-weight: 600;
}

.xpk-filter-check:focus-visible + label {
  outline: 0.15rem solid var(--xpk-accent);
  outline-offset: 0.1rem;
}

/* Búsqueda */
.xpk-filters__search {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--xpk-border);
  border-radius: 2rem;
  font-size: 0.875rem;
  width: 12rem;
  transition: border-color var(--xpk-transition);
  background: var(--xpk-bg);
  color: var(--xpk-text);
}

.xpk-filters__search:focus {
  outline: none;
  border-color: var(--xpk-accent);
}

/* Reset */
.xpk-filters__btn-reset {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--xpk-accent);
  border-radius: 2rem;
  background: transparent;
  color: var(--xpk-accent);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--xpk-transition), color var(--xpk-transition);
  white-space: nowrap;
}

.xpk-filters__btn-reset:hover {
  background: var(--xpk-accent);
  color: #fff;
}

/* No resultados */
.xpk-no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--xpk-text-muted);
  font-size: 1rem;
}

/* Accesibilidad: screen reader text (no depender del tema) */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  word-wrap: normal !important;
}

/* Accesibilidad: skip link */
.xpk-skip {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.xpk-skip:focus {
  position: fixed;
  top: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--xpk-accent);
  color: #fff;
  border-radius: 0.4rem;
  font-weight: 700;
  z-index: 100000;
}