/* Sprint UX-3 — Search bar HTMX autocomplete + results page layout.
 *
 * Depende de tokens definidos en `_design_tokens.css` (sf-color-*,
 * sf-space-*, sf-radius-*, sf-shadow-*, sf-z-*). Si una var no existe
 * en el config, hay fallback razonable para no romper render.
 */

/* ════════════ Search bar (input pill) ════════════
 * Elevacion IX/UI 2026-06-30: input pill fluido (escala con el viewport,
 * mantiene proporcion), icono lupa, glow de foco brand, spinner htmx.
 */

.sf-searchbar {
  position: relative;
  display: flex;
  align-items: center;
}

.sf-searchbox {
  position: relative;
  width: clamp(14rem, 22vw, 22rem);
}

/* Mobile / full-width (search del menú móvil, sin autocomplete). */
.sf-searchbox--block {
  width: 100%;
}

.sf-searchbox-icon {
  position: absolute;
  inset-block: 0;
  left: 0.85rem;
  display: flex;
  align-items: center;
  color: var(--sf-color-text-muted, rgb(100 116 139));
  pointer-events: none;
  transition: color 0.18s ease;
}

.sf-searchbox:focus-within .sf-searchbox-icon {
  color: var(--sf-color-primary, rgb(2 132 199));
}

.sf-searchbox-input {
  width: 100%;
  height: 2.6rem;
  padding: 0 2.5rem 0 2.5rem;
  font-size: 0.875rem;
  color: var(--sf-color-text, rgb(15 23 42));
  background: var(--sf-color-bg, #ffffff);
  border: 1px solid var(--sf-color-border, rgb(203 213 225));
  border-radius: 9999px;
  box-shadow: var(--sf-shadow-xs, 0 1px 2px rgba(15, 23, 42, 0.04));
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.sf-searchbox-input::placeholder {
  color: var(--sf-color-text-muted, rgb(148 163 184));
}

.sf-searchbox-input:hover {
  border-color: var(--sf-color-border-strong, rgb(148 163 184));
}

.sf-searchbox-input:focus {
  outline: none;
  border-color: var(--sf-color-primary, rgb(2 132 199));
  box-shadow: 0 0 0 3px var(--sf-color-primary-soft, rgba(2, 132, 199, 0.18));
  background: var(--sf-color-bg-elevated, #ffffff);
}

/* Oculta la X nativa del type=search (usamos diseno propio del browser
 * solo cuando hay texto; el reset evita el doble control en algunos UA). */
.sf-searchbox-input::-webkit-search-decoration { -webkit-appearance: none; }

.sf-searchbox-spinner {
  position: absolute;
  inset-block: 0;
  right: 0.85rem;
  display: flex;
  align-items: center;
  color: var(--sf-color-primary, rgb(2 132 199));
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease;
}

/* htmx marca el elemento de hx-indicator con `htmx-request` durante el fetch. */
.sf-searchbox-spinner.htmx-request {
  opacity: 1;
  visibility: visible;
}

.sf-searchbox-spinner svg {
  animation: sf-spin 0.7s linear infinite;
}

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

.dark .sf-searchbox-input {
  color: rgb(226 232 240);
  background: rgb(30 41 59);
  border-color: rgb(71 85 105);
}

.dark .sf-searchbox-input::placeholder {
  color: rgb(148 163 184);
}

.dark .sf-searchbox-input:focus {
  background: rgb(30 41 59);
}

/* ════════════ Dropdown de sugerencias ════════════ */

.sf-suggestions-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  min-width: 19rem;
  background: var(--sf-color-bg, #ffffff);
  border: 1px solid var(--sf-color-border, rgb(226 232 240));
  border-radius: var(--sf-radius-lg, 0.85rem);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 12px 32px -8px rgba(15, 23, 42, 0.22);
  max-height: min(70vh, 30rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  z-index: var(--sf-z-dropdown, 50);
  animation: sf-ac-in 0.16s cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* Vacio (query en blanco) o cerrado por JS (Esc / click afuera) -> oculto. */
.sf-suggestions-dropdown:empty,
.sf-suggestions-dropdown.is-closed {
  display: none;
}

@keyframes sf-ac-in {
  from { opacity: 0; transform: translateY(-0.35rem); }
  to { opacity: 1; transform: translateY(0); }
}

.dark .sf-suggestions-dropdown {
  background: rgb(15 23 42);
  border-color: rgb(51 65 85);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 16px 36px -8px rgba(0, 0, 0, 0.6);
}

/* ── Header del dropdown ── */
.sf-ac-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem 0.45rem;
  border-bottom: 1px solid var(--sf-color-border, rgb(241 245 249));
}

.sf-ac-head-label {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--sf-color-text-muted, rgb(100 116 139));
}

.sf-ac-head-count {
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.2rem 0.45rem;
  border-radius: 9999px;
  color: var(--sf-color-primary, rgb(2 132 199));
  background: var(--sf-color-primary-soft, rgba(2, 132, 199, 0.12));
}

.dark .sf-ac-head {
  border-bottom-color: rgb(30 41 59);
}

.dark .sf-ac-head-label {
  color: rgb(148 163 184);
}

/* ── Lista ── */
.sf-autocomplete-list {
  list-style: none;
  padding: 0.3rem;
  margin: 0;
}

.sf-autocomplete-item {
  list-style: none;
}

.sf-autocomplete-item a {
  display: flex;
  gap: var(--sf-space-3, 0.75rem);
  align-items: center;
  padding: 0.5rem;
  text-decoration: none;
  color: var(--sf-color-text, rgb(15 23 42));
  border-radius: var(--sf-radius-md, 0.6rem);
  transition: background-color 0.14s ease;
}

.sf-autocomplete-item a:hover,
.sf-autocomplete-item a:focus,
.sf-autocomplete-item a.is-active {
  background: var(--sf-color-bg-subtle, rgb(241 245 249));
  outline: none;
}

.dark .sf-autocomplete-item a {
  color: rgb(226 232 240);
}

.dark .sf-autocomplete-item a:hover,
.dark .sf-autocomplete-item a:focus,
.dark .sf-autocomplete-item a.is-active {
  background: rgb(30 41 59);
}

.sf-autocomplete-item img,
.sf-autocomplete-thumb {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: var(--sf-radius-md, 0.55rem);
  background: var(--sf-color-bg-subtle, rgb(241 245 249));
  display: grid;
  place-items: center;
  color: rgb(148 163 184);
}

.dark .sf-autocomplete-thumb {
  background: rgb(30 41 59);
}

.sf-autocomplete-text {
  min-width: 0;
  flex: 1;
}

.sf-autocomplete-name {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Highlight del termino buscado (lo inserta search.js). Tinte brand sutil,
 * nunca el amarillo default del <mark>. */
.sf-autocomplete-name .sf-hl {
  background: var(--sf-color-primary-soft, rgba(2, 132, 199, 0.16));
  color: inherit;
  font-weight: 700;
  border-radius: 0.2rem;
  padding: 0 0.05rem;
}

.sf-autocomplete-price {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--sf-color-primary, rgb(2 132 199));
  margin-top: 2px;
}

.dark .sf-autocomplete-price {
  color: var(--sf-color-primary, rgb(56 189 248));
}

/* Chevron "ir": aparece/desliza al hover o item activo. */
.sf-autocomplete-go {
  flex: 0 0 auto;
  color: var(--sf-color-text-muted, rgb(148 163 184));
  opacity: 0;
  transform: translateX(-0.25rem);
  transition: opacity 0.14s ease, transform 0.14s ease;
}

.sf-autocomplete-item a:hover .sf-autocomplete-go,
.sf-autocomplete-item a:focus .sf-autocomplete-go,
.sf-autocomplete-item a.is-active .sf-autocomplete-go {
  opacity: 1;
  transform: translateX(0);
}

/* ── Footer "ver todos" ── */
.sf-ac-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.7rem 0.85rem;
  border-top: 1px solid var(--sf-color-border, rgb(241 245 249));
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sf-color-primary, rgb(2 132 199));
  text-decoration: none;
  transition: background-color 0.14s ease;
}

.sf-ac-foot:hover,
.sf-ac-foot:focus {
  background: var(--sf-color-primary-soft, rgba(2, 132, 199, 0.08));
  outline: none;
}

.sf-ac-foot strong {
  font-weight: 700;
}

.dark .sf-ac-foot {
  border-top-color: rgb(30 41 59);
}

/* ── Empty state premium (query >= 2 sin resultados) ── */
.sf-ac-empty {
  padding: 1.6rem 1.25rem 1.4rem;
  text-align: center;
}

.sf-ac-empty-icon {
  display: inline-grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  margin-bottom: 0.75rem;
  border-radius: 9999px;
  color: var(--sf-color-text-muted, rgb(100 116 139));
  background: var(--sf-color-bg-subtle, rgb(241 245 249));
}

.dark .sf-ac-empty-icon {
  background: rgb(30 41 59);
  color: rgb(148 163 184);
}

.sf-ac-empty-title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--sf-color-text, rgb(30 41 59));
}

.dark .sf-ac-empty-title {
  color: rgb(226 232 240);
}

.sf-ac-empty-sub {
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
  color: var(--sf-color-text-muted, rgb(100 116 139));
}

.dark .sf-ac-empty-sub {
  color: rgb(148 163 184);
}

.sf-ac-empty-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 9999px;
  color: #ffffff;
  background: var(--sf-color-primary, rgb(2 132 199));
  text-decoration: none;
  transition: background-color 0.14s ease, transform 0.1s ease;
}

.sf-ac-empty-cta:hover,
.sf-ac-empty-cta:focus {
  background: var(--sf-color-primary-600, rgb(3 105 161));
  outline: none;
}

.sf-ac-empty-cta:active {
  transform: scale(0.97);
}

/* ── Hint de query corta (1 char) ── */
.sf-ac-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1rem;
  font-size: 0.82rem;
  color: var(--sf-color-text-muted, rgb(100 116 139));
}

.sf-ac-hint-icon {
  flex: 0 0 auto;
  opacity: 0.7;
}

.dark .sf-ac-hint {
  color: rgb(148 163 184);
}

@media (prefers-reduced-motion: reduce) {
  .sf-suggestions-dropdown { animation: none; }
  .sf-searchbox-spinner svg { animation-duration: 1.4s; }
  .sf-autocomplete-go { transition: none; }
}

/* ────────── Search results page ────────── */

.sf-search-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--sf-space-6, 1.5rem);
  align-items: start;
}

@media (max-width: 768px) {
  .sf-search-layout {
    grid-template-columns: 1fr;
  }
}

.sf-filters {
  padding: var(--sf-space-4, 1rem);
  background: var(--sf-color-bg-elevated, rgb(248 250 252));
  border: 1px solid var(--sf-color-border, rgb(226 232 240));
  border-radius: var(--sf-radius-md, 0.5rem);
  position: sticky;
  top: 5rem;
}

.dark .sf-filters {
  background: rgb(15 23 42);
  border-color: rgb(51 65 85);
}

.sf-filter-group {
  margin-bottom: var(--sf-space-6, 1.5rem);
}

.sf-filter-group:last-child {
  margin-bottom: 0;
}

.sf-overline {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(100 116 139);
  margin: 0 0 var(--sf-space-2, 0.5rem);
}

.dark .sf-overline {
  color: rgb(148 163 184);
}

.sf-facet-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sf-facet-list li {
  padding: var(--sf-space-1, 0.25rem) 0;
}

.sf-facet-list label {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.sf-facet-list .sf-caption {
  color: rgb(100 116 139);
  font-size: 0.75rem;
}

.dark .sf-facet-list .sf-caption {
  color: rgb(148 163 184);
}

.sf-price-range {
  display: flex;
  gap: var(--sf-space-2, 0.5rem);
  margin-top: var(--sf-space-2, 0.5rem);
}

.sf-price-range .sf-input {
  width: 100%;
  min-width: 0;
  padding: 0.4rem 0.55rem;
  font-size: 0.875rem;
  border: 1px solid var(--sf-color-border, rgb(203 213 225));
  border-radius: var(--sf-radius-sm, 0.25rem);
  background: var(--sf-color-bg, #fff);
}

.dark .sf-price-range .sf-input {
  background: rgb(30 41 59);
  border-color: rgb(71 85 105);
  color: rgb(226 232 240);
}

/* ────────── Results header + sort ────────── */

.sf-search-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--sf-space-3, 0.75rem);
  margin-bottom: var(--sf-space-6, 1.5rem);
  padding-bottom: var(--sf-space-3, 0.75rem);
  border-bottom: 1px solid var(--sf-color-border, rgb(226 232 240));
}

.dark .sf-search-header {
  border-bottom-color: rgb(51 65 85);
}

.sf-search-header .sf-caption {
  color: rgb(100 116 139);
  font-size: 0.875rem;
  margin-top: 2px;
}

.dark .sf-search-header .sf-caption {
  color: rgb(148 163 184);
}

.sf-sort {
  display: flex;
  align-items: center;
  gap: var(--sf-space-2, 0.5rem);
}

.sf-sort .sf-input {
  padding: 0.4rem 0.6rem;
  font-size: 0.875rem;
  border: 1px solid var(--sf-color-border, rgb(203 213 225));
  border-radius: var(--sf-radius-sm, 0.25rem);
  background: var(--sf-color-bg, #fff);
}

.dark .sf-sort .sf-input {
  background: rgb(30 41 59);
  border-color: rgb(71 85 105);
  color: rgb(226 232 240);
}

/* ────────── Empty state ────────── */

.sf-empty-state {
  padding: var(--sf-space-8, 2rem);
  text-align: center;
  background: var(--sf-color-bg-elevated, rgb(248 250 252));
  border-radius: var(--sf-radius-md, 0.5rem);
  border: 1px dashed var(--sf-color-border, rgb(203 213 225));
}

.dark .sf-empty-state {
  background: rgb(15 23 42);
  border-color: rgb(51 65 85);
}

.sf-empty-state p {
  color: rgb(100 116 139);
  margin: 0.5rem 0 1rem;
}

.dark .sf-empty-state p {
  color: rgb(148 163 184);
}