.whatsapp-widget {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.whatsapp-message {
    max-width: 240px;
    padding: 10px 14px;
    border-radius: 14px;
    background: #ffffff;
    color: #1f1f1f;
    font-size: 14px;
    line-height: 1.4;
    border: 1px solid rgba(30, 30, 30, 0.08);
    box-shadow: 0 12px 30px rgba(30, 30, 30, 0.12);
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.whatsapp-message.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.whatsapp-button {
    width: 64px;
    height: 64px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid rgba(30, 30, 30, 0.08);
    box-shadow: 0 12px 30px rgba(30, 30, 30, 0.16);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.whatsapp-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(30, 30, 30, 0.2);
}

.whatsapp-button:focus-visible {
    outline: 3px solid rgba(37, 211, 102, 0.35);
    outline-offset: 4px;
}

.whatsapp-icon {
    width: 30px;
    height: 30px;
    object-fit: contain;
    display: block;
}

@media (max-width: 768px) {
    .whatsapp-widget {
        right: 16px;
        bottom: 16px;
    }

    .whatsapp-button {
        width: 58px;
        height: 58px;
    }

    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }

    .whatsapp-message {
        max-width: 200px;
        font-size: 13px;
        padding: 9px 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-message,
    .whatsapp-button {
        transition: none;
    }
}