/* ==========================================================================
   AMMY TERRA — catalog.css (listado, categoria y busqueda · ERS 3.1/3.4/11.1, Z13)
   Columna de filtros 264 px + grilla (4 col >=1280 · 3 col 768-1279 · 2 col <768).
   <1024 px los filtros pasan a off-canvas (solo con JS: sin JS quedan en linea).
   Propiedad: Claude (T19). Solo variables de tokens.css.
   ========================================================================== */

.catalog { padding-bottom: var(--s6); }

/* ---------------------------------------------------------- Encabezado */
.catalog__head { padding: 6px 0 26px; max-width: 760px; }
.catalog__eyebrow { margin-bottom: 8px; }
.catalog__title {
  margin: 0;
  font-size: clamp(32px, 2.2vw + 14px, 46px); font-weight: 500; line-height: 1.1;
  color: var(--c-green);
}
.catalog__lead { margin: 12px 0 0; font-size: 16.5px; line-height: 1.6; color: var(--c-text-muted); }

.catalog__layout {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  gap: var(--s4);
  align-items: start;
}

/* -------------------------------------------------------------- Filtros */
.filters__panel {
  position: sticky; top: calc(var(--header-h-sticky) + 16px);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  box-shadow: var(--sh-soft);
}
.filters__backdrop, .filters__close { display: none; }
/* Escritorio: el panel no supera el viewport; la lista se desplaza y "Aplicar" queda a la vista */
@media (min-width: 1024px) {
  .filters__panel { display: flex; flex-direction: column; max-height: calc(100vh - var(--header-h-sticky) - 32px); }
  .filters__form { display: flex; flex-direction: column; flex: 1; min-height: 0; }
  .filters__body { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--c-border) transparent; }
}
.filters__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--c-border-soft);
}
.filters__title {
  display: flex; align-items: center; gap: 10px; margin: 0;
  font-family: var(--font-title); font-size: 19px; font-weight: 500; color: var(--c-green);
}
.filters__title .icon { color: var(--c-green-600); }
.filters__panel:focus { outline: none; }

.filters__body { padding: 4px 20px; }
.filter { margin: 0; padding: 16px 0; border: 0; border-bottom: 1px solid var(--c-border-soft); min-width: 0; }
.filter:last-of-type { border-bottom: 0; }
.filter__label {
  float: left;   /* legend flotada: sin el hueco extra que el navegador deja bajo <legend> */
  display: flex; align-items: center; gap: 8px; width: 100%;
  margin: 0 0 10px; padding: 0;
  font-size: 11.5px; font-weight: var(--fw-ui-semi); letter-spacing: var(--ls-cat); text-transform: uppercase;
  color: var(--c-text);
}
.filter__label + * { clear: both; }
.filter__ico { color: var(--c-green-600); }
.filter__count {
  margin-left: auto;
  padding: 2px 8px; border-radius: var(--r-pill);
  background: var(--c-green-050); color: var(--c-green-700);
  font-size: 11px; font-weight: var(--fw-ui-semi); letter-spacing: 0; text-transform: none;
}
.filter__count[hidden] { display: none; }

.filter__search { position: relative; }
.filter__search .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--c-text-muted); pointer-events: none; }
.filter__search input { padding-left: 40px; font-size: 15px; }

/* Categoria: checkboxes visibles, raiz + subcategorias */
.filter__tree, .filter__sub { list-style: none; margin: 0; padding: 0; }
.filter__sub { margin: 0 0 4px 30px; }
.filter__check {
  display: flex; align-items: center; gap: 10px;
  min-height: 34px; margin: 0; cursor: pointer;
  font-size: 14px; font-weight: 400; color: var(--c-text);
}
.filter__check--root { font-weight: var(--fw-ui-med); }
.filter__check input {
  width: 18px; height: 18px; min-height: 0; margin: 0; padding: 0; flex: none;
  accent-color: var(--c-green);
}
.filter__check:hover span { color: var(--c-green); }
.filter__sub .filter__check { min-height: 30px; font-size: 13.5px; color: var(--c-text-muted); }

/* Precio */
.filter__range { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 8px; }
.filter__range input { font-size: 15px; padding-inline: 10px; }
.filter__dash { color: var(--c-text-muted); }

/* Opciones exclusivas como chips (radio real, visible con foco) */
.filter__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.filter__chip { position: relative; margin: 0; cursor: pointer; }
.filter__chip input { position: absolute; inset: 0; width: 100%; height: 100%; min-height: 0; margin: 0; opacity: 0; cursor: pointer; }
.filter__chip span {
  display: inline-flex; align-items: center; min-height: 34px; padding: 6px 12px;
  border: 1px solid var(--c-border); border-radius: var(--r-pill);
  background: var(--c-surface);
  font-size: 13px; font-weight: var(--fw-ui-med); color: var(--c-text);
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.filter__chip:hover span { border-color: var(--c-green-600); color: var(--c-green); }
.filter__chip input:checked + span { background: var(--c-green); border-color: var(--c-green); color: var(--c-surface); }
.filter__chip input:focus-visible + span { outline: 2px solid var(--c-green-600); outline-offset: 2px; }

.filters__foot {
  display: grid; gap: 4px;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--c-border-soft);
}
.filters__clear { min-height: 40px; font-weight: var(--fw-ui-med); text-decoration: underline; text-underline-offset: 3px; }

/* ------------------------------------------------------- Barra superior */
.catalog__toolbar {
  display: flex; align-items: center; gap: 16px;
  padding-bottom: 16px; margin-bottom: 18px;
  border-bottom: 1px solid var(--c-border);
}
.catalog__filter-btn { display: none; gap: 10px; }
.catalog__badge {
  min-width: 22px; height: 22px; padding: 0 6px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-pill); background: var(--c-terracotta); color: var(--c-surface);
  font-size: 12px; font-weight: var(--fw-ui-semi);
}
.catalog__count { margin: 0; font-size: 14.5px; color: var(--c-text-muted); }
.catalog__count strong { color: var(--c-text); font-weight: var(--fw-ui-semi); }
.catalog__sort { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.catalog__sort label { margin: 0; font-size: 13.5px; font-weight: 400; color: var(--c-text-muted); white-space: nowrap; }
.catalog__sort select { width: auto; min-width: 210px; font-size: 14.5px; }

/* Chips de filtros activos */
.catalog__chips { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 20px; padding: 0; list-style: none; }
.catalog__chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 5px 10px 5px 14px;
  border-radius: var(--r-pill); background: var(--c-green-050); color: var(--c-green-700);
  font-size: 13px; font-weight: var(--fw-ui-med);
}
.catalog__chip:hover { background: var(--c-green); color: var(--c-surface); }
.catalog__chip-clear { display: inline-flex; align-items: center; min-height: 34px; padding-inline: 6px; font-size: 13px; font-weight: var(--fw-ui-med); color: var(--c-terracotta); text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------------------------------------------- Grilla */
.catalog__grid { display: grid; gap: 20px; grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Estado vacio */
.catalog__empty {
  max-width: 560px; margin: 24px auto; padding: 44px 28px; text-align: center;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-card);
}
.catalog__empty-icon {
  width: 76px; height: 76px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-green-050); color: var(--c-green);
}
.catalog__empty-icon .icon { width: 36px; height: 36px; stroke-width: 2.8; }
.catalog__empty-title { margin: 0 0 8px; font-size: clamp(21px, 1vw + 14px, 26px); color: var(--c-green); }
.catalog__empty p { margin: 0 0 22px; color: var(--c-text-muted); }
.catalog__empty-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* ------------------------------------------------------------ Paginacion */
.pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 36px; }
.pager__link {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 44px; padding: 0 14px;
  border: 1px solid var(--c-border); border-radius: var(--r-btn);
  background: var(--c-surface); color: var(--c-text); font-weight: var(--fw-ui-med);
}
a.pager__link:hover { border-color: var(--c-green); color: var(--c-green); }
.pager__link.is-current { background: var(--c-green); border-color: var(--c-green); color: var(--c-surface); }

/* ------------------------------------------------------------ Responsive */
@media (max-width: 1279px) {
  .catalog__layout { grid-template-columns: 240px minmax(0, 1fr); gap: var(--s3); }
  .catalog__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filters__head, .filters__body, .filters__foot { padding-inline: 16px; }
}

/* <1024: off-canvas desde la izquierda (con JS). Sin JS, bloque en linea sobre la grilla. */
@media (max-width: 1023px) {
  .catalog__layout { grid-template-columns: minmax(0, 1fr); }
  .filters__panel { position: static; }
  .catalog__sort select { min-width: 0; }

  .js .catalog__filter-btn { display: inline-flex; }
  .js .filters {
    position: fixed; inset: 0; z-index: 100;
    overflow: hidden; visibility: hidden; pointer-events: none;
    transition: visibility 0s linear .32s;
  }
  .js .filters.is-open { visibility: visible; pointer-events: auto; transition-delay: 0s; }
  .js .filters__backdrop {
    display: block; position: absolute; inset: 0;
    background: color-mix(in srgb, var(--c-text) 45%, transparent);
    opacity: 0; transition: opacity .32s ease;
  }
  .js .filters.is-open .filters__backdrop { opacity: 1; }
  .js .filters__panel {
    position: absolute; top: 0; bottom: 0; left: 0;
    width: min(380px, 90vw);
    display: flex; flex-direction: column;
    border: 0; border-radius: 0;
    background: var(--c-bg);
    box-shadow: var(--sh-hover);
    transform: translateX(-100%);
    transition: transform .32s var(--t-base);
  }
  .js .filters.is-open .filters__panel { transform: none; }
  .js .filters__head { background: var(--c-surface); border-bottom-color: var(--c-border); padding: 10px 12px 10px 20px; }
  .js .filters__close { display: inline-flex; }
  .js .filters__form { display: flex; flex-direction: column; flex: 1; min-height: 0; }
  .js .filters__body { flex: 1; overflow-y: auto; overscroll-behavior: contain; padding-inline: 20px; }
  .js .filters__foot { background: var(--c-surface); border-top-color: var(--c-border); padding: 12px 20px 16px; }
  .filter__check { min-height: 44px; }
  .filter__sub .filter__check { min-height: 40px; }
  .filter__chip span { min-height: 44px; padding-inline: 16px; }
}

@media (max-width: 767px) {
  .catalog__head { padding-bottom: 18px; }
  .catalog__lead { font-size: 15px; }
  .catalog__toolbar { flex-wrap: wrap; gap: 10px 12px; }
  .catalog__count { order: 3; width: 100%; font-size: 13.5px; }
  .catalog__filter-btn { flex: 1; }
  .catalog__sort { flex: 1; margin-left: 0; }
  .catalog__sort label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .catalog__sort select { width: 100%; }
  .catalog__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .catalog__empty { padding: 32px 18px; }
  .catalog__empty-ctas .btn { width: 100%; }
}