/* ============================================================
   SCROLL INFINITO — Loader, sentinela e botão
   ============================================================ */

/* Sentinela invisível — só serve de gatilho para o observer */
.scroll-sentinela {
    height: 1px;
    width: 100%;
    margin-top: 40px;
    /* Garante visibilidade para o IntersectionObserver */
    display: block;
    position: relative;
    z-index: 1;
}

/* Loader de carregamento */
.scroll-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px 20px;
    font-family: 'Poppins', sans-serif;
    font-size: .88rem;
    color: #64748b;
}

.scroll-loader__spinner {
    width: 28px;
    height: 28px;
    border: 3px solid rgba(212,175,55,.15);
    border-top-color: #d4af37;
    border-radius: 50%;
    animation: scrollSpin .7s linear infinite;
    flex-shrink: 0;
}

@keyframes scrollSpin {
    to { transform: rotate(360deg); }
}

/* Mensagem de fim */
.scroll-fim {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 28px 20px;
    font-family: 'Poppins', sans-serif;
    font-size: .82rem;
    color: #475569;
}
.scroll-fim i { color: #4ade80; }

/* Botão fallback "Carregar mais" */
.scroll-btn-wrap {
    display: flex;
    justify-content: center;
    padding: 24px 20px 8px;
}

.scroll-btn-mais {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 32px;
    background: rgba(212,175,55,.1);
    border: 1px solid rgba(212,175,55,.3);
    border-radius: 12px;
    color: #d4af37;
    font-family: 'Poppins', sans-serif;
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s, transform .15s;
}
.scroll-btn-mais:hover {
    background: rgba(212,175,55,.18);
    transform: translateY(-2px);
}
.scroll-btn-mais:disabled {
    opacity: .5;
    cursor: not-allowed;
    transform: none;
}

/* Animação de entrada dos novos cards */
.anuncio-card--novo {
    animation: cardEntrada .4s ease both;
}
@keyframes cardEntrada {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}