/**
 * Últimas Publicaciones Pro – public.css
 * Prefijo: .upa-
 * No depende de ningún framework externo salvo bootstrap-grid.min.css (cargado antes).
 * Diseño mobile-first, sin CSS inline.
 */

/* ══ Variables ════════════════════════════════════════════════════════════════ */
:root {
  --upa-primary:       #2271b1;
  --upa-primary-dark:  #135e96;
  --upa-text:          #1d2327;
  --upa-text-muted:    #646970;
  --upa-bg:            #ffffff;
  --upa-bg-hover:      #f6f7f7;
  --upa-border:        #dcdcde;
  --upa-radius:        8px;
  --upa-shadow:        0 1px 4px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.05);
  --upa-shadow-hover:  0 4px 16px rgba(0,0,0,.14), 0 8px 32px rgba(0,0,0,.08);
  --upa-thumb-ratio:   56.25%;   /* 16:9 */
  --upa-transition:    0.22s ease;
  --upa-font:          inherit;
}

/* ══ Wrapper ══════════════════════════════════════════════════════════════════ */
.upa-wrapper {
  font-family: var(--upa-font);
  color: var(--upa-text);
  box-sizing: border-box;
}

.upa-wrapper *,
.upa-wrapper *::before,
.upa-wrapper *::after {
  box-sizing: inherit;
}

/* ══ Formulario de filtro ══════════════════════════════════════════════════════ */
.upa-filter-form {
  margin-bottom: 24px;
}

.upa-filter-form__fields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.upa-filter-form__label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 13px;
  color: var(--upa-text-muted);
}

.upa-filter-form__select {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--upa-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23646970' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  border: 1px solid var(--upa-border);
  border-radius: 4px;
  padding: 8px 32px 8px 12px;
  font-size: 14px;
  color: var(--upa-text);
  min-width: 130px;
  cursor: pointer;
  transition: border-color var(--upa-transition);
}

.upa-filter-form__select:focus {
  outline: none;
  border-color: var(--upa-primary);
  box-shadow: 0 0 0 2px rgba(34,113,177,.2);
}

.upa-filter-form__btn,
.upa-filter-form__reset {
  padding: 8px 18px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--upa-transition), transform 60ms;
}

.upa-filter-form__btn {
  background-color: var(--upa-primary);
  color: #fff;
}

.upa-filter-form__btn:hover {
  background-color: var(--upa-primary-dark);
}

.upa-filter-form__btn:active {
  transform: scale(0.97);
}

.upa-filter-form__reset {
  background-color: transparent;
  color: var(--upa-text-muted);
  border: 1px solid var(--upa-border);
}

.upa-filter-form__reset:hover {
  border-color: var(--upa-text-muted);
  color: var(--upa-text);
}

/* ══ Mensajes de estado ════════════════════════════════════════════════════════ */
.upa-status {
  min-height: 0;
  transition: min-height var(--upa-transition);
}

.upa-status:not(:empty) {
  padding: 14px 20px;
  border-radius: var(--upa-radius);
  font-size: 15px;
  margin-bottom: 20px;
}

.upa-status--info {
  background: #f0f6fc;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.upa-status--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.upa-status--empty {
  background: var(--upa-bg-hover);
  color: var(--upa-text-muted);
  border: 1px dashed var(--upa-border);
  text-align: center;
  padding: 40px 20px;
  font-size: 15px;
}

/* ══ Grid ══════════════════════════════════════════════════════════════════════ */
/* Bootstrap 5 row + g-4 se encargan del gap; aquí solo ajustes específicos */
.upa-grid {
  margin-bottom: 0;
}

/* Columna dentro del grid */
.upa-col {
  display: flex;
  flex-direction: column;
}

/* ══ Spinner ═══════════════════════════════════════════════════════════════════ */
.upa-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(34,113,177,.25);
  border-top-color: var(--upa-primary);
  border-radius: 50%;
  animation: upa-spin 0.7s linear infinite;
  vertical-align: middle;
}

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

/* ══ Loading inicial ════════════════════════════════════════════════════════════ */
.upa-loading-init {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 32px;
  color: var(--upa-text-muted);
  font-size: 15px;
  width: 100%;
}

/* ══ Tarjeta ═══════════════════════════════════════════════════════════════════ */
.upa-card {
  display: flex;
  flex-direction: column;
  background: var(--upa-bg);
  border: 1px solid var(--upa-border);
  border-radius: var(--upa-radius);
  overflow: hidden;
  box-shadow: var(--upa-shadow);
  transition: box-shadow var(--upa-transition), transform var(--upa-transition);
}

.upa-card:hover {
  box-shadow: var(--upa-shadow-hover);
  transform: translateY(-2px);
}

/* Imagen ─────────────────────────────────────────────────────────────────────── */
.upa-card__thumb-link {
  display: block;
}

/*
 * MODO: Recortar (cover)
 */
.upa-card__thumb--cover {
  position: relative;
  padding-top: 100%;   /* cuadrado 1:1 */
  background: var(--upa-bg-hover);
  overflow: hidden;
}

.upa-card__thumb--cover .upa-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform var(--upa-transition);
}

.upa-card__thumb-link:hover .upa-card__thumb--cover .upa-card__img {
  transform: scale(1.04);
}

/*
 * MODO: Imagen completa — DEFAULT
 * La imagen ocupa el 100% del ancho de la tarjeta.
 * height: auto preserva la proporción original exacta — sin recorte,
 * sin deformación, sin contenedor de altura fija que interfiera.
 */
.upa-card__thumb--completa {
  display: block;
  width: 100%;
  background: var(--upa-bg-hover);
}

.upa-card__thumb--completa .upa-card__img {
  display: block;
  width: 100% !important;
  height: auto !important;
  max-width: 100%;
  max-height: unset !important;
  object-fit: unset !important;
  position: static !important;
  transition: transform var(--upa-transition);
}

.upa-card__thumb-link:hover .upa-card__thumb--completa .upa-card__img {
  transform: scale(1.02);
}

/*
 * MODO: Contener imagen (contain)
 */
.upa-card__thumb--contain {
  position: relative;
  padding-top: 100%;   /* cuadrado 1:1 */
  background: var(--upa-bg-hover);
  overflow: hidden;
}

.upa-card__thumb--contain .upa-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  padding: 8px;
  box-sizing: border-box;
}

/* Placeholder (sin imagen destacada) */
.upa-card__thumb--placeholder {
  position: relative;
  padding-top: 100%;
  background: linear-gradient(135deg, #e5e7eb 25%, #f3f4f6 100%);
}

.upa-card__thumb--placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
}

/* Cuerpo ─────────────────────────────────────────────────────────────────────── */
.upa-card__body {
  display: flex;
  flex-direction: column;
  padding: 18px;
  flex: 1;
  gap: 8px;
}

/* Meta ─────────────────────────────────────────────────────────────────────────── */
.upa-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.upa-card__category {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--upa-primary);
  text-decoration: none;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(34,113,177,.1);
  transition: background var(--upa-transition);
}

.upa-card__category:hover {
  background: rgba(34,113,177,.18);
  color: var(--upa-primary-dark);
  text-decoration: none;
}

.upa-card__date {
  font-size: 12px;
  color: var(--upa-text-muted);
  white-space: nowrap;
}

/* Título ─────────────────────────────────────────────────────────────────────── */
.upa-card__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  color: var(--upa-text);
}

.upa-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--upa-transition);
}

.upa-card__title a:hover {
  color: var(--upa-primary);
}

/* Extracto ───────────────────────────────────────────────────────────────────── */
.upa-card__excerpt {
  font-size: 14px;
  color: var(--upa-text-muted);
  line-height: 1.65;
  margin: 0;
  flex: 1;

  /* Recorte de texto en 3 líneas */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Botón Leer más ──────────────────────────────────────────────────────────────── */
.upa-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--upa-primary);
  text-decoration: none;
  border-top: 1px solid var(--upa-border);
  transition: color var(--upa-transition), gap var(--upa-transition);
}

.upa-card__btn:hover {
  color: var(--upa-primary-dark);
  gap: 9px;
  text-decoration: none;
}

.upa-card__btn-arrow {
  display: inline-block;
  transition: transform var(--upa-transition);
}

.upa-card__btn:hover .upa-card__btn-arrow {
  transform: translateX(3px);
}

/* ══ Acciones (Cargar más) ════════════════════════════════════════════════════ */
.upa-actions {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}

.upa-load-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 32px;
  background: transparent;
  color: var(--upa-primary);
  border: 2px solid var(--upa-primary);
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--upa-transition), color var(--upa-transition);
}

.upa-load-more:hover {
  background-color: var(--upa-primary);
  color: #fff;
}

.upa-load-more:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.upa-load-more:active:not(:disabled) {
  transform: scale(0.97);
}

.upa-spinner--btn {
  width: 14px;
  height: 14px;
  border-top-color: currentColor;
  border-color: rgba(255,255,255,.3);
  border-top-color: #fff;
}

/* ══ Responsive tweaks ════════════════════════════════════════════════════════ */
@media (max-width: 575.98px) {
  .upa-filter-form__fields {
    flex-direction: column;
    align-items: stretch;
  }
  .upa-filter-form__select {
    width: 100%;
  }
  .upa-filter-form__btn,
  .upa-filter-form__reset {
    width: 100%;
    justify-content: center;
  }
  .upa-card__body {
    padding: 14px;
  }
}

/* ══ Accesibilidad ════════════════════════════════════════════════════════════ */
.upa-wrapper :focus-visible {
  outline: 2px solid var(--upa-primary);
  outline-offset: 2px;
}

/* Screen reader only */
.screen-reader-text {
  clip: rect(1px,1px,1px,1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}