/* =========================================================
   Busca tu foto · frontend (v2 · UI/UX premium Apple-style)
   ─────────────────────────────────────────────────────────
   Reusa CSS vars del child theme (--color-arena, etc.) con fallback.
   ========================================================= */

.btf-index-hero {
  background: var(--color-tinta, #182331);
}
.btf-index-hero .cat-hero__media {
  background: linear-gradient(135deg, #1f4865 0%, #182331 100%);
}

/* ---------- Grid de SESIONES (vista A) ---------- */
.btf-sesiones__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 1.5vw, 28px);
}
@media (max-width: 980px) {
  .btf-sesiones__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .btf-sesiones__grid {
    grid-template-columns: 1fr;
  }
}

.btf-sesion-card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--color-tinta, #182331);
  text-decoration: none;
  color: var(--color-arena-soft, #faf4e5);
}
.btf-sesion-card__media {
  position: absolute;
  inset: 0;
}
.btf-sesion-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 1400ms var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1)),
    filter var(--dur-hover, 480ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
  filter: saturate(0.94);
}
.btf-sesion-card:hover .btf-sesion-card__media img {
  transform: scale(1.05);
  filter: saturate(1.05);
}
.btf-sesion-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(24, 35, 49, 0.1) 0%,
    rgba(24, 35, 49, 0.2) 40%,
    rgba(24, 35, 49, 0.85) 100%
  );
}
.btf-sesion-card--placeholder {
  background: linear-gradient(
    135deg,
    var(--color-tinta, #182331) 0%,
    var(--color-marina, #1f4865) 100%
  );
}
.btf-sesion-card__placeholder-icon {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--color-firma, #a88b5c);
  opacity: 0.55;
  transition:
    opacity var(--dur-hover, 480ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1)),
    transform var(--dur-hover, 480ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-sesion-card--placeholder:hover .btf-sesion-card__placeholder-icon {
  opacity: 0.85;
  transform: scale(1.04);
}
.btf-sesion-card__meta {
  position: absolute;
  left: var(--sp-5, 48px);
  bottom: var(--sp-5, 48px);
  right: var(--sp-5, 48px);
  z-index: 2;
}
.btf-sesion-card__date {
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-firma, #a88b5c);
  margin: 0 0 12px;
}
.btf-sesion-card__title {
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-weight: 200;
  font-size: clamp(28px, 3vw, 48px);
  line-height: 1;
  letter-spacing: -0.018em;
  color: var(--color-arena-soft, #faf4e5);
  margin: 0 0 8px;
}
.btf-sesion-card__count {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-weight: 300;
  font-size: 13px;
  color: var(--color-arena-soft, #faf4e5);
  opacity: 0.78;
  margin: 0;
}

/* =========================================================
   ACTIONS BAR (header de la sesión · vista B)
   ─────────────────────────────────────────────────────────
   Dos botones reusan los del child (.btn .btn--outline / .btn--solid-tinta)
   para mantener TOTAL coherencia con la paleta + geometría del sitio.
   Acá solo declaramos el spacing del contenedor + el count badge.
   ========================================================= */
.btf-sesion-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Count badge dentro de "FOTOS SELECCIONADAS · 3" · pill chico al lado
   del label. Usa color-mix sobre `currentColor` para auto-adaptarse al
   color del botón (sin importar si es solid foam o solid tinta). */
.btf-action__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in oklab, currentColor 18%, transparent);
  border-radius: 999px;
  padding: 2px 9px;
  margin-left: 4px;
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  min-width: 22px;
  line-height: 1.4;
}

/* Mobile · botón full-width debajo del título */
@media (max-width: 700px) {
  .btf-sesion-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .btf-sesion-actions {
    width: 100%;
  }
  .btf-action--order {
    width: 100%;
    justify-content: center;
  }
}

/* =========================================================
   FOTO de la galería (vista B · sesión)
   ─────────────────────────────────────────────────────────
   Container ahora es <div> (no <button>) · adentro hay un
   <button> dedicado al pick (✓). Click en imagen abre
   lightbox · click en pick toggle-a selección directo.
   ========================================================= */
.btf-photo {
  border: 0;
  padding: 0;
  background: var(--color-tinta, #182331);
  position: relative;
  overflow: hidden;
  /* v1.8.11 · 2026-05-14: 16:9 uniforme · idem .cat-photo del frontend público. */
  aspect-ratio: 16 / 9;
  cursor: zoom-in;
  transition: transform 200ms var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 1200ms var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1)),
    filter var(--dur-hover, 480ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-photo:hover img {
  transform: scale(1.04);
}

.btf-photo__num {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arena-soft, #faf4e5);
  background: rgba(24, 35, 49, 0.55);
  padding: 4px 10px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
}

/* ─────────────────────────────────────────────────────────
   PICK · cuadrado checkbox SIEMPRE VISIBLE en cada foto.
   Click directo toggle-a selección sin abrir el lightbox.
   ───────────────────────────────────────────────────────── */
.btf-photo__pick {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  appearance: none;
  background: rgba(255, 255, 255, 0.92);
  border: 0;
  padding: 0;
  margin: 0;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  transition:
    background-color var(--dur-hover, 280ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1)),
    transform var(--dur-hover, 280ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-photo__pick:focus {
  outline: none;
}
.btf-photo__pick:focus-visible {
  outline: 2px solid var(--color-marina, #1f4865);
  outline-offset: 2px;
}
.btf-photo__pick:hover {
  background: #fff;
  transform: scale(1.06);
}
.btf-photo__pick-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.btf-photo__pick-box svg {
  display: block;
  width: 20px;
  height: 20px;
  color: var(--color-marina, #1f4865);
  opacity: 0;
  transform: scale(0.7);
  transition:
    opacity var(--dur-hover, 280ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1)),
    transform var(--dur-hover, 280ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}

/* Estado SELECCIONADO · check visible + fondo azul brand */
.btf-photo[aria-pressed='true'] .btf-photo__pick {
  background: var(--color-marina, #1f4865);
}
.btf-photo[aria-pressed='true'] .btf-photo__pick-box svg {
  color: #fff;
  opacity: 1;
  transform: scale(1);
}
.btf-photo[aria-pressed='true']::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(31, 72, 101, 0.18);
  pointer-events: none;
  z-index: 1;
}

/* =========================================================
   DRAWER · estilo Apple Compare con thumbs reales
   ========================================================= */
body.btf-drawer-open {
  overflow: hidden;
}

.btf-drawer-bg {
  position: fixed;
  inset: 0;
  background: rgba(24, 35, 49, 0.62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-drawer-bg.is-open {
  opacity: 1;
  pointer-events: auto;
}

.btf-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(480px, 96vw);
  background: var(--color-arena-soft, #faf4e5);
  color: var(--color-tinta, #182331);
  z-index: 51;
  transform: translateX(100%);
  transition: transform 480ms var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
  display: flex;
  flex-direction: column;
  box-shadow: -16px 0 48px rgba(0, 0, 0, 0.32);
}
.btf-drawer.is-open {
  transform: none;
}

.btf-drawer__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 32px 20px;
  border-bottom: 1px solid rgba(24, 35, 49, 0.1);
}
.btf-drawer__head-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.btf-drawer__title {
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-weight: 300;
  font-size: 24px;
  margin: 0;
  letter-spacing: -0.012em;
  line-height: 1.15;
}
.btf-drawer__title em {
  color: var(--color-firma, #a88b5c);
  font-style: italic;
  font-weight: 300;
}
.btf-drawer__sesion {
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-tinta, #182331);
  opacity: 0.55;
  margin: 0;
}
.btf-drawer__close {
  background: transparent;
  border: 0;
  padding: 8px;
  margin: -8px;
  cursor: pointer;
  color: var(--color-tinta, #182331);
  border-radius: 999px;
  transition: opacity var(--dur-hover, 280ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-drawer__close:hover {
  opacity: 0.65;
}
.btf-drawer__close:focus {
  outline: none;
}
.btf-drawer__close:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 4px;
}
.btf-drawer__close svg {
  display: block;
  width: 22px;
  height: 22px;
}

.btf-drawer__name-field {
  padding: 18px 32px 16px;
  border-bottom: 1px solid rgba(24, 35, 49, 0.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.btf-drawer__name-label {
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-tinta, #182331);
  opacity: 0.55;
}
.btf-drawer__name-input {
  width: 100%;
  padding: 8px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(24, 35, 49, 0.18);
  font: inherit;
  font-size: 16px;
  color: inherit;
  outline: none;
  transition: border-color 0.32s var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-drawer__name-input:focus {
  border-bottom-color: var(--color-marina, #1f4865);
}
.btf-drawer__name-input::placeholder {
  color: rgba(24, 35, 49, 0.32);
}

.btf-drawer__list-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 16px 32px;
  position: relative;
}

.btf-drawer__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.btf-drawer__item {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--color-tinta, #182331);
  overflow: hidden;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btf-drawer__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.btf-drawer__item-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-tinta, #182331) 0%,
    var(--color-marina, #1f4865) 100%
  );
}
.btf-drawer__item-num {
  position: absolute;
  bottom: 6px;
  left: 6px;
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arena-soft, #faf4e5);
  background: rgba(24, 35, 49, 0.62);
  padding: 3px 7px;
  border-radius: 3px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.btf-drawer__item-remove {
  position: absolute;
  top: 6px;
  right: 6px;
  background: rgba(255, 255, 255, 0.92);
  border: 0;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--color-tinta, #182331);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition:
    background-color var(--dur-hover, 240ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1)),
    color var(--dur-hover, 240ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-drawer__item-remove:hover {
  background: #b91c1c;
  color: #fff;
}
.btf-drawer__item-remove:focus {
  outline: none;
}
.btf-drawer__item-remove svg {
  display: block;
  width: 12px;
  height: 12px;
}

.btf-drawer__empty {
  text-align: center;
  padding: 80px 28px;
  color: var(--color-tinta, #182331);
  opacity: 0.45;
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.btf-drawer__footer {
  border-top: 1px solid rgba(24, 35, 49, 0.1);
  padding: 20px 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--color-arena-soft, #faf4e5);
}
/* Send button reusa `.btn .btn--solid-tinta` del child theme · cero
   verde WhatsApp. Solo agregamos pequeñas particularidades aquí: la
   geometría `justify-content: center` para que el label se centre
   bien dentro del drawer. */
.btf-drawer__send {
  justify-content: center;
  width: 100%;
}
.btf-drawer__send[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.btf-drawer__clear {
  background: transparent;
  border: 0;
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-tinta, #182331);
  opacity: 0.5;
  cursor: pointer;
  padding: 6px;
  transition: opacity var(--dur-hover, 280ms) var(--ease-premium, cubic-bezier(0.16, 1, 0.3, 1));
}
.btf-drawer__clear:hover {
  opacity: 1;
}
.btf-drawer__clear:focus {
  outline: none;
}
.btf-drawer__clear:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 4px;
}

/* Mobile · drawer full-screen */
@media (max-width: 600px) {
  .btf-drawer {
    width: 100vw;
  }
  .btf-drawer__list {
    grid-template-columns: repeat(2, 1fr);
  }
  .btf-drawer__header {
    padding: 20px 22px 16px;
  }
  .btf-drawer__name-field {
    padding: 14px 22px;
  }
  .btf-drawer__list-wrap {
    padding: 14px 22px;
  }
  .btf-drawer__footer {
    padding: 16px 22px 22px;
  }
}

/* Empty state de la sesión sin fotos */
.btf-sesion-empty {
  text-align: center;
  padding: 80px 28px;
  color: var(--color-arena-soft, #faf4e5);
  opacity: 0.55;
  font-family: var(--font-display, 'DM Sans', sans-serif);
  font-size: 14px;
  letter-spacing: 0.04em;
}