header {
    position: relative;
}

.favorito-aba {
    position: absolute;
    right: 40px;
    bottom: -16px; /* ajustado porque ficou menor */
    z-index: 1040;
}

.favorito-btn {
    width: 28px; /* menor */
    height: 28px; /* menor */
    background: #ffffff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px; /* estrela menor */
    cursor: pointer;
    transition: 0.2s ease;
}

    .favorito-btn:hover {
        transform: scale(1.05);
    }