/* Kora WhatsApp Button */
.kora-whatsapp {
    position: fixed;
    bottom: var(--kwa-offset-bottom, 24px);
    z-index: var(--kwa-z, 9999);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 300ms ease, transform 300ms ease;
    pointer-events: none;
}

.kora-whatsapp--direita  { right: var(--kwa-offset, 24px); }
.kora-whatsapp--esquerda { left:  var(--kwa-offset, 24px); }

.kora-whatsapp--visivel {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.kora-whatsapp--oculto {
    opacity: 0;
    pointer-events: none;
}

/* Botão */
.kora-whatsapp__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--kwa-fundo, #25D366);
    color: var(--kwa-icone, #fff);
    border-radius: 50%;
    text-decoration: none;
    transition: transform 200ms ease, filter 200ms ease;
}

.kora-whatsapp__btn:hover,
.kora-whatsapp__btn:focus-visible {
    transform: scale(1.08);
    filter: brightness(1.1);
    outline: 3px solid var(--kwa-fundo, #25D366);
    outline-offset: 2px;
}

/* Tamanhos */
.kora-whatsapp--pequeno .kora-whatsapp__btn { width: 48px; height: 48px; }
.kora-whatsapp--pequeno .kora-whatsapp__btn svg { width: 24px; height: 24px; }

.kora-whatsapp--medio .kora-whatsapp__btn { width: 60px; height: 60px; }
.kora-whatsapp--medio .kora-whatsapp__btn svg { width: 30px; height: 30px; }

.kora-whatsapp--grande .kora-whatsapp__btn { width: 72px; height: 72px; }
.kora-whatsapp--grande .kora-whatsapp__btn svg { width: 36px; height: 36px; }

/* Sombra */
.kora-whatsapp--sombra .kora-whatsapp__btn {
    box-shadow: 0 4px 16px rgba(0, 0, 0, .25);
}

/* Pulso */
@keyframes kwa-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, .5); }
    70%  { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.kora-whatsapp--pulso .kora-whatsapp__btn {
    animation: kwa-pulse 2s ease-out infinite;
}

/* Tooltip */
.kora-whatsapp__tooltip {
    display: inline-block;
    background: rgba(0, 0, 0, .75);
    color: #fff;
    font-size: .75rem;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 200ms, transform 200ms;
    pointer-events: none;
}

.kora-whatsapp__btn:hover ~ .kora-whatsapp__tooltip,
.kora-whatsapp__btn:focus-visible ~ .kora-whatsapp__tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile */
@media (max-width: 768px) {
    .kora-whatsapp--pequeno .kora-whatsapp__btn { width: 44px; height: 44px; }
    .kora-whatsapp--medio   .kora-whatsapp__btn { width: 54px; height: 54px; }
    .kora-whatsapp--grande  .kora-whatsapp__btn { width: 64px; height: 64px; }

    /* Ficha do imóvel: quando a barra sticky de preço/CTA mobile está
       visível (classe alternada via Alpine em single-imovel.php,
       x-effect ligado a "ctaVisible"), sobe o botão para não sobrepor a
       barra (~64px de altura). */
    body.kora-sticky-cta-ativa .kora-whatsapp {
        bottom: calc(var(--kwa-offset-bottom, 24px) + 80px);
    }
}